24th week of 2021 patent applcation highlights part 74 |
Patent application number | Title | Published |
20210184232 | EJECTOR NOZZLE AND EJECTOR INCLUDING SAME - The present disclosure provides an ejector nozzle and an ejector including the same. The ejector nozzle includes a first tube having a first flow path into which a fluid is introduced, and a second tube provided outside the first tube and having an inner diameter larger than an inner diameter of the first tube, the second tube defining a second flow path between the first tube and the second tube, in which the first tube further includes a communication port that penetrates the first tube to allow the first flow path to communicate with the second flow path and is openably and closably provided, and in which when the communication port is opened, a part of the fluid flowing in the first flow path is allowed to flow along the second flow path. | 2021-06-17 |
20210184233 | Zinc Iodine Flow Battery - A zinc iodine flow battery includes a positive end plate, a positive current collector, a negative current collector, a positive electrode with a flow frame, a membrane, a negative electrode with a flow frame, a negative end plate. The negative electrolyte is circulated between the negative storage tank and the negative cavity by pump. The negative pipe is provided with a branch pipe for the positive electrolyte circulation. The porous membrane between the positive and negative electrodes can realize the conduction of supporting electrolyte and prevent the diffusion of I3− to the negative electrolyte. In a duel-flow battery system, same electrolyte serves as both the positive electrolyte and the negative electrolyte, which is a mixed aqueous solution containing iodized and zinc salt. The membrane is porous membrane does not contain ion exchange group. Both the positive and negative electrolyte are neutral solutions. | 2021-06-17 |
20210184234 | METHOD FOR DETERMINING THE COMPRESSIVE TENSILE FORCE ACTING ON A FUEL CELL STACK - The present invention relates to a method for determining the compressive tensile force acting on a fuel cell stack due to at least one tensioning element. Thereby, the compressive tensile force is the overall tensile force compressing the fuel cell stack. This is determined according to the invention by means of acoustic measurements on vibratable sections of the tensioning elements. The subject matter of the invention also includes a data processing program for carrying out the method according to the invention along with the use of a smartphone for carrying out the method according to the invention. | 2021-06-17 |
20210184235 | METHOD FOR CALCULATING VOLTAGE LOSS OF FUEL CELL AND SYSTEM PERFORMING THE SAME - A method for calculating voltage loss of a fuel cell is provided. The method includes sensing an open circuit voltage that is generated in a stack when the switch is opened and detecting an operation voltage and an operation current that are generated in the stack when the switch is closed. A first change graph of voltage data over time is calculated using the voltage data and current data from a time when the switch is opened in a state where the switch is closed. A first voltage of a point at which a trend line for an interval where the voltage data linearly varies with the time meets the first change graph is sensed and then an ohmic resistance voltage loss is calculated using a difference between the first voltage and the operation voltage. | 2021-06-17 |
20210184236 | METHOD FOR MEASURING IMPEDANCE OF FUEL CELL STACK IN VEHICLE - A method for accurately measuring the impedance of the fuel cell stack in the vehicle during operation of the vehicle includes determining whether measuring the impedance of the fuel cell stack is requested during driving of the vehicle driven by using a power of a fuel cell stack, switching a DC-DC converter connecting the fuel cell stack and a battery to each other to a buck mode when measuring the impedance is requested, thereby blocking output current of the fuel cell stack from flowing to the battery through the DC-DC converter, determining a first current value of the fuel cell stack for measuring the impedance, controlling a resistance value of a COD variable resistor consuming the output current of the fuel cell stack according to the first current value, and measuring the impedance of the fuel cell stack while the output current of the fuel cell stack is maintained at the first current value. | 2021-06-17 |
20210184237 | FUEL CELL VALVE CONFIGURATION - An illustrative example fuel cell reactant flow control valve assembly includes a pneumatic valve configured to allow reactant flow when the pneumatic valve is in an open condition and to prevent reactant flow when the pneumatic valve is in a closed condition. A control valve selectively allows a pressure of the reactant to provide pneumatic pressure to maintain the pneumatic valve in the open condition. The control valve selectively vents the pneumatic pressure reservoir to control a rate at which the pneumatic pressure decreases and a rate at which the pneumatic valve changes from the open condition to the closed condition. | 2021-06-17 |
20210184238 | FUEL CELL SYSTEM FOR SUBMARINE USING SELECTIVE OXIDATION REACTION - In a fuel cell system for a submarine, hydrogen gas having a reduced carbon monoxide content while the hydrogen gas passes through a purification unit using a selective oxidation reaction can be supplied as a raw material to a fuel cell, so that electrode activity deterioration which may be caused by carbon monoxide can be prevented. In addition, the fuel cell system for a submarine can be miniaturized and weight-reduced and allows gas unreacted in a fuel cell stack to be burnt and recycled to supply heat to a reforming unit, thereby minimizing the amount of discharge gas. | 2021-06-17 |
20210184239 | Elastomeric Cell Frame for Fuel Cell - An elastomeric cell frame for a fuel cell according to an embodiment of the present disclosure includes, as a cell frame constituting a unit cell of a fuel cell, an insert including a membrane electrode assembly having an anode formed on one surface of a polymer electrolyte membrane, and having a cathode formed on the other surface thereof, and a pair of gas diffusion layers disposed on both surfaces thereof; and an elastomeric frame disposed to surround the rim of the insert in the outer region of the insert, and formed with a discharge flow field provided in the form of a sheet bonded at the rim of the insert and the interface thereof while being thermally bonded and for discharging generated water generated in the insert along the longitudinal direction at the widthwise edge. | 2021-06-17 |
20210184240 | BATTERY MATERIAL STACKING DEVICE - A battery material stacking device sequentially stacks sheet-like workpieces pertaining to a battery material at high speed. The battery material stacking device is provided with a conveyance mechanism configured to convey workpieces in a predetermined direction, a rotor arranged below the conveyance mechanism to rotate about a predetermined rotation shaft, a plurality of holding portions provided on a peripheral portion of the rotor to hold the workpieces, and a stacking table configured to stack the workpieces thereon. The plurality of holding portions is configured to hold one surface of each of the workpieces which is being conveyed with the other surface of each of the workpieces being held by the conveyance mechanism, then convey the workpieces in accordance with a rotation of the rotor while reversing the workpieces, and stack the workpieces on the stacking table with the other surface facing the stacking table. | 2021-06-17 |
20210184241 | COIN-TYPE SECONDARY CELL - A coin-type secondary cell for soldering by reflow method includes a porous positive electrode, a porous negative electrode, a porous separator provided between the positive electrode and the negative electrode, an electrolytic solution with which the positive electrode, the negative electrode, and the separator are impregnated, and a cell case having an enclosed space in which the positive electrode, the negative electrode, the separator, and the electrolytic solution are housed. A value obtained by dividing the amount of the electrolytic solution by the sum of the amounts of voids in the positive electrode, the negative electrode, and the separator ranges from 1.025 to 2.4. | 2021-06-17 |
20210184242 | Electrode Assembly - An electrode assembly in which a positive electrode and a negative electrode are alternately stacked, and a separator is disposed between the positive and negative electrodes comprises: a folding unit, a negative electrode unit, and a positive electrode unit alternately inserted between layers of the separator of which one side and the other side are alternately folded in a zigzag shape in a direction perpendicular to a direction in which the positive electrode and the negative electrode are stacked; and a stacking unit in which the positive electrode, the separator, and the negative electrode, each of which is cut by a predetermined size, are sequentially stacked. The folding unit having a Z-folding structure and the stacking unit having a lamination & stacking structure may be bonded to each other. Thus, the positive electrode may increase in area relative to the negative electrode in the folding unit to increase in capacity. | 2021-06-17 |
20210184243 | METHOD FOR MANUFACTURING ELECTRODE ASSEMBLY - A method for manufacturing the electrode assembly includes: a first step of preparing a plurality of radical units, each of which is manufactured by alternately stacking an electrode and a separator; a second step of stacking the plurality of radical units to manufacture an electrode stack; and a third step of pressing an outer surface of the electrode stack to manufacture an electrode assembly on which a curved surface having a curvature radius is formed on the electrode stack, wherein, when the sum of bonding force remaining after the third step among bonding force between the electrode and the separator as bonding force generated before the third step is defined as Fl, the sum of force by which the electrode and the separator are spread again so that shapes of the electrode and the separator return to shapes before the electrode stack is pressed in the third step is defined as R, and the sum of bonding force additionally generated between the electrode and the separator within the electrode assembly by the third step is defined as F2, expression: F1+R≤F | 2021-06-17 |
20210184244 | SOLID-STATE BATTERY AND METHOD FOR MAKING THE SAME - To provide a solid-state battery capable of applying an initial load that results in sufficient surface pressure to a battery cell, and a method for making the solid-state battery. | 2021-06-17 |
20210184245 | AQUEOUS ALUMINUM ION BATTERIES, HYBRID BATTERY-CAPACITORS, COMPOSITIONS OF SAID BATTERIES AND BATTERY-CAPACITORS, AND ASSOCIATED METHODS OF MANUFACTURE AND USE - Described herein is an aqueous aluminum ion battery featuring an aluminum or aluminum alloy/composite anode, an aqueous electrolyte, and a manganese oxide, aluminosilicate or polymer-based cathode. The battery operates via an electrochemical reaction that entails an actual transport of aluminum ions between the anode and cathode. The compositions and structures described herein allow the aqueous aluminum ion battery described herein to achieve: (1) improved charge storage capacity; (2) improved gravimetric and/or volumetric energy density; (3) increased rate capability and power density (ability to charge and discharge in shorter times); (4) increased cycle life; (5) increased mechanical strength of the electrode; (6) improved electrochemical stability of the electrodes; (7) increased electrical conductivity of the electrodes, and (8) improved ion diffusion kinetics in the electrodes as well as the electrolyte. | 2021-06-17 |
20210184246 | Vehicle Body Member Having Charging and Discharging Function - A vehicle body member includes a first cell portion including a first negative pole portion and a first positive pole portion disposed to be in contact with a surface of the first negative pole portion, a second cell portion including a second negative pole portion and a second positive pole portion disposed to be in contact with a surface of the second negative pole portion, an insulating layer disposed between the first cell portion and the second cell portion, a series connector connecting the first negative pole portion of the first cell portion and the second positive pole portion of the second cell portion in series, a positive pole current collector connected to the first positive pole portion of the first cell portion, and a negative pole current collector connected to the second negative pole portion of the second cell portion. | 2021-06-17 |
20210184247 | 6Li BATTERY - A battery may include electrolyte salt and electrode material that is fabricated from isotopically pure, or otherwise enriched in, lithium-6 ( | 2021-06-17 |
20210184248 | LITHIUM ION CONDUCTOR PRECURSOR GLASS AND LITHIUM ION CONDUCTOR - As a solid electrolyte used in a lithium ion secondary battery, it has not been possible to obtain a lithium ion conductor precursor glass and a lithium ion conductor in which crystallization progresses at low temperatures and which exhibit high ion conductivity. The present invention can obtain a lithium ion conductor precursor glass and a lithium ion conductor in which crystallization progresses even at low temperatures and which exhibit high ion conductivity by containing 10-35% of a Li | 2021-06-17 |
20210184249 | SOLID ELECTROLYTE, PREPARATION METHOD THEREOF, METAL AIR BATTERY INCLUDING THE SAME, AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME - A solid electrolyte including: an oxide represented by Formula 1 | 2021-06-17 |
20210184250 | BATTERY CELL INCLUDING AN INORGANIC, MELT-INFILTRATED, SOLID-STATE ELECTROLYTE - In an aspect, a solid-state Li-ion battery (SSLB) cell, may comprise an anode electrode comprising an anode electrode surface and an anode active material, a cathode electrode comprising a cathode electrode surface and an cathode active material, and an inorganic, melt-infiltrated, solid state electrolyte (SSE) ionically coupling the anode electrode and the cathode electrode, wherein at least a portion of at least one of the electrode surfaces comprises an interphase layer separating the respective electrode active material from direct contact with the SSE, and wherein the interphase layer comprises two or more metals from the list of: Zr, Al, K, Cs, Fr, Be, Mg, Ca, Sr, Ba, Sc, Y, La or non-La lanthanoids, Ta, Zr, Hf, and Nb. | 2021-06-17 |
20210184251 | ELECTRODE COMPOSITION, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ALL-SOLID STATE SECONDARY BATTERY, AND METHOD OF MANUFACTURING ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY OR MANUFACTURING ALL-SOLID STATE SECONDARY BATTERY - Provided is an electrode composition including: an active material; an inorganic solid electrolyte having an average particle size of 2 μm or less; and a particle-shaped polymer, in which in a case where an average particle size of the particle-shaped polymer is represented by d nm and a content of the particle-shaped polymer with respect to all the solid components of the electrode composition is represented by x mass %, the average particle size d and the content x satisfy specific relationships. Provided are also an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery that are formed of the electrode composition, and respective methods of manufacturing an electrode sheet for an all-solid state secondary battery and manufacturing an all-solid state secondary battery. | 2021-06-17 |
20210184252 | NEGATIVE ELECTRODE COMPOSITION, NEGATIVE ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, ALL-SOLID STATE SECONDARY BATTERY, METHOD FOR MANUFACTURING NEGATIVE ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND METHOD FOR MANUFACTURING ALL-SOLID STATE SECONDARY BATTERY - Provided are a negative electrode composition including a sulfide-based inorganic solid electrolyte, a negative electrode active material containing a silicon atom or a tin atom, and a polymer, in which the polymer has substantially no adsorption capacity to the negative electrode active material and the sulfide-based inorganic solid electrolyte, a modulus of elasticity of the polymer measured in accordance with JIS K 7161 (2014) is 100 MPa or higher and 1000 MPa or lower, and in a case where a negative electrode active material layer is formed of the negative electrode composition, the polymer is contained in the negative electrode active material layer in a particle form, a negative electrode sheet for an all-solid state secondary battery, an all-solid state secondary battery, a method for manufacturing a negative electrode sheet for an all-solid state secondary battery, and a method for manufacturing an all-solid state secondary battery. | 2021-06-17 |
20210184253 | SOLID ELECTROLYTE AND BATTERY USING SAME - A solid electrolyte according to the present disclosure includes first particles consisted of a first solid electrolyte material and second particles consisted of a second solid electrolyte material. The first solid electrolyte material has a higher ionic conductivity than the second solid electrolyte material. The second solid electrolyte material has a lower Young's modulus than the first solid electrolyte material. | 2021-06-17 |
20210184254 | NANOSCALE INTERFACIAL COATING FOR STABILIZING ELECTROLYTE WITH HIGH-VOLTAGE CATHODE - A high-voltage cathode for use in a lithium-ion battery includes an LiCoO | 2021-06-17 |
20210184255 | MULTILAYER ELECTRODES AND SOLID ELECTROLYTES - Multilayer electrodes and/or solid electrolytes having an OIPC cover material, and solvent-free methods for preparing the multilayers, as well as solid-state full batteries having the multilayers are disclosed. | 2021-06-17 |
20210184256 | GEL POLYMER ELECTROLYTE FOR LITHIUM-AIR BATTERY CONTAINING ZWITTERION SALT AND LITHIUM-AIR BATTERY COMPRISING SAME - The present disclosure relates to a gel polymer electrolyte for a lithium-air battery containing a zwitterion salt in a specific amount and to a lithium-air battery including the same and thus having a prolonged battery lifetime, thereby suppressing volatilization of the electrolyte and imparting the lithium-air battery with interfacial stability by inhibiting the formation of dendrites at a lithium anode and suppressing side reactions between the lithium anode and the liquid electrolyte. Moreover, the use of the zwitterion salt can improve the lithium-ion transference number, thereby increasing the lifetime of the battery. | 2021-06-17 |
20210184257 | Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Including the Same - A non-aqueous electrolyte solution for a lithium secondary battery and a lithium secondary battery including the same are disclosed herein. In some embodiments, a non-aqueous electrolyte solution for a lithium secondary battery, includes a lithium salt, an organic solvent, and an additive, wherein the additive includes a compound represented by Formula 1. | 2021-06-17 |
20210184258 | SILICON-BASED ENERGY STORAGE DEVICES WITH ELECTROLYTE CONTAINING DIHYDROFURANONE BASED COMPOUND - Electrolytes and electrolyte additives for energy storage devices comprising dihydrofuranone based compounds are disclosed. The energy storage device comprises a first electrode and a second electrode, wherein at least one of the first electrode and the second electrode is a Si-based electrode, a separator between the first electrode and the second electrode, an electrolyte comprising at least two electrolyte co-solvents, wherein at least one electrolyte co-solvent comprises a dihydrofuranone based compound. | 2021-06-17 |
20210184259 | ADDITIVE FOR NONAQUEOUS ELECTROLYTE SOLUTIONS, NONAQUEOUS ELECTROLYTE SOLUTION AND ELECTRICITY STORAGE DEVICE - Disclosed is an additive for a nonaqueous electrolyte solution, including a compound represented by the following formula (1): | 2021-06-17 |
20210184260 | Electrolyte Solution for Nonaqueous Electrolyte Batteries, and Nonaqueous Electrolyte Battery Using Same - An electrolyte solution for a nonaqueous electrolyte battery according to the present invention includes the following components: (I) a nonaqueous organic solvent; (II) an ionic salt as a solute; (III) at least one additive compound represented by the general formula (1); and (IV) at least one additive compound represented by the general formula (2), wherein the concentration of the component (IV) is 0.05 to 25.0 mass % with respect to 100 mass % of the component (III) | 2021-06-17 |
20210184261 | ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. Provided is an electrolyte solution for lithium secondary batteries including a lithium salt, a solvent and allyl(4-(1,3-bis(4-(((allyloxy)carbonyl)oxy)-5-(tert-butyl)-2-methylphenyl)butyl)-2-(tert-butyl)-5-methylphenyl) represented by the following Formula 1. | 2021-06-17 |
20210184262 | ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. | 2021-06-17 |
20210184263 | RECHARGEABLE BATTERY WITH IONIC LIQUID ELECTROLYTE AND ELECTRODE PRESSURE - The disclosure provides an alkali metal or alkaline earth metal rechargeable battery including an electrolyte including an ionic liquid and an alkali metal salt or alkaline earth metal salt. The battery also includes a negative electrode including a surface that contacts the electrolyte. The negative electrode also includes a negative electrode active material. The battery further includes a positive electrode including a surface that contacts the electrolyte. The positive electrode also includes a positive electrode active material. The battery also includes an electronically insulative separator between the positive electrode and the negative electrode and a casing surrounding the electrolyte, electrodes, and separator. The battery additionally includes a pressure application system that applies pressure to at least a portion of the electrode surfaces contacting the electrolyte. | 2021-06-17 |
20210184264 | ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERIES AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed are an electrolyte solution for lithium secondary batteries capable of increasing the lifetime of the lithium secondary batteries and a lithium secondary battery including the same. | 2021-06-17 |
20210184265 | STACKED PRISMATIC ARCHITECTURE FOR ELECTROCHEMICAL CELL - A battery cell system and method for manufacturing a battery cell system is provided. The battery cell system includes an electrode stack including a first anode with a first anode tab, a second anode with a second anode tab laterally offset from the first anode tab, a first cathode with a first cathode tab, and a second cathode with a second cathode tab laterally offset from the first cathode tab. | 2021-06-17 |
20210184266 | METHOD OF PRODUCING SECONDARY BATTERY - A method of producing a secondary battery includes an electrode body forming process and a resistance welding process. In the electrode body forming process, a sheet-like positive electrode and negative electrode are wound in an overlapping manner with a separator therebetween to form a flat wound electrode body. In the resistance welding process, a current collector terminal is bonded to at least one of a pair of uncoated parts which are positioned at both ends of the wound electrode body in a winding axis direction and to which no electrode mixture is applied by resistance welding. The resistance welding process is performed while metal members are brought into contact with the uncoated parts. | 2021-06-17 |
20210184267 | BATTERY AND BATTERY PACK - According to one embodiment, a battery includes an external container, an electrode group, and a sealing plate. The electrode group includes a positive electrode and a negative electrode wound in a flat shape with an insulating layer interposed therebetween. Thicknesses T | 2021-06-17 |
20210184268 | HYDROXIDE ION CONDUCTIVE SEPARATOR AND ZINC SECONDARY BATTERY - Provided is a hydroxide ion-conductive separator including a porous substrate and a layered double hydroxide (LDH)-like compound filling pores of the porous substrate, wherein the LDH-like compound is a hydroxide and/or an oxide with a layered crystal structure, containing: Mg; and one or more elements, which include at least Ti, selected from the group consisting of Ti, Y, and Al. | 2021-06-17 |
20210184269 | CIRCUIT BOARD ASSEMBLY - A circuit board assembly includes a wiring board, a coin-type secondary cell that is a lithium secondary cell electrically connected to the wiring board by reflow soldering, and a wireless communication device electrically connected to the wiring board. The coin-type secondary cell includes a positive electrode including a sintered body, a negative electrode including a sintered body, an electrolyte layer provided between the positive electrode and the negative electrode, and a cell case having an enclosed space in which the positive electrode, the negative electrode, and the electrolyte layer are housed. When C is given as the capacity of the positive electrode and A is given as the capacity of the negative electrode, 1.032021-06-17 | |
20210184270 | BATTERY PACK MANAGEMENT DEVICE - A battery pack management device capable of reducing power consumption while transmitting and receiving data between a master BMS and a slave BMS by using a wireless communication method. The battery pack management device according to the present disclosure includes: a master BMS including an external communicator, an internal communicator, and a master controller and a slave BMS including a power supply, a state measurement sensor, a slave wireless communicator, and a slave controller. | 2021-06-17 |
20210184271 | BATTERY PACK SWITCH - A battery pack including a housing defining an aperture, a first battery cell within the housing, a second battery cell within the housing, and a switch. The first battery cell is electrically connected to a first terminal. The second battery cell is electrically connected to a second terminal. The switch is configured to be in a first position and a second position. The switch includes a user-interface, that may extend through the aperture, and a plate, located within the housing. The plate includes a conductive portion and a non-conductive portion. The conductive portion is configured to electrically connect the first terminal to the second terminal when the switch is in the first position. The non-conductive portion is configured to galvanically isolate the first terminal from the second terminal when the switch is in the second position. | 2021-06-17 |
20210184272 | SIMULTANEOUS INSPECTION DEVICE OF MULTIPLE SECONDARY BATTERY CELL POUCHES - A simultaneous inspection device of multiple secondary battery cell pouches is provided. The simultaneous inspection device includes a support member installed for support; a movable member installed to face the support member; multiple pressure panels which are installed side by side between the support member and the movable member, and combined so that the gap between them can be adjusted by the back and forth movement of the movable member wherein the secondary battery cell pouches are inserted into each gap; a guide member for guiding the pressing panels to move in the direction necessary for adjusting the gaps; and a pressure driving unit for moving the movable member back and forth to pressurize and pressure-release the secondary battery cell pouch between the pressurizing panels on both sides. | 2021-06-17 |
20210184273 | APPARATUS AND APPLICATION FOR PREDICTING PERFORMANCE OF BATTERY - Discussed is an application that efficiently utilizes a vehicle battery by predicting performance of the vehicle battery and an available driving distance based on environmental condition of an area where a vehicle is parked and state information of the vehicle battery. | 2021-06-17 |
20210184274 | METHOD FOR IMPROVING LIFE PROPERTIES AND CHARGING SPEED OF LITHIUM-SULFUR SECONDARY BATTERY - A method for improving a lifetime property and a charging rate of a lithium-sulfur secondary battery capable of both improving a lifetime property and a charging rate of the secondary battery by inducing a homogeneous reaction of the lithium-sulfur secondary battery by applying a charging rate differently for each section in a charging process of the lithium-sulfur secondary battery. | 2021-06-17 |
20210184275 | VEHICULAR BATTERY CHARGER, CHARGING SYSTEM, AND METHOD - A vehicle battery charger and a vehicle battery charging system are described and illustrated, and can include a controller enabling a user to enter a time of day at which the vehicle battery charger or system begins and/or ends charging of the vehicle battery. The vehicle battery charger can be separate from the vehicle, can be at least partially integrated into the vehicle, can include a transmitter and/or a receiver capable of communication with a controller that is remote from the vehicle and vehicle charger, and can be controlled by a user or another party (e.g., a power utility) to control battery charging based upon a time of day, cost of power, or other factors. | 2021-06-17 |
20210184276 | METHOD OF PRODUCING LITHIUM-ION BATTERY - A negative electrode active material includes graphite and silicon oxide. On a rectangular coordinate system having an SOC of the battery on a horizontal axis and a dimension of the battery on a vertical axis, a charging profile of the battery includes a first stage and a second stage. When the battery is charged at a current rate equal to or higher than an inherent current rate, a first slope is less steep than a second slope. When the battery is charged at a current rate lower than the inherent current rate, the first slope is steeper than the second slope. During the initial charging, at least charging in the first stage is performed at a current rate lower than the inherent current rate. After the initial charging proceeds to the second stage, the thermal aging is performed at an SOC included in the second stage. | 2021-06-17 |
20210184278 | BATTERY MONITORING DEVICE, COMPUTER PROGRAM, AND BATTERY MONITORING METHOD - A battery monitoring device includes: a voltage acquisition unit acquiring unit cells voltages; a current acquisition unit acquiring a secondary battery charge/discharge current; a first state-of-charge calculation unit calculating a charge first state on a first voltage basis acquired at a first time at which a predetermined switch is OFF, in a first trip period; a second state-of-charge calculation unit calculating a charge second state on a second voltage basis acquired at a second time at which the switch is OFF, in a second trip period; a charge/discharge amount calculation unit calculating a secondary battery charge/discharge amount from the first to second time; a full charge capacity calculation unit calculating each unit cell unit full charge capacity on the basis of the charge first and second states, and the charge/discharge amount; and an update unit updating a second battery full charge capacity on the calculated unit full charge capacity basis. | 2021-06-17 |
20210184279 | BATTERY PACK - Provided is a battery pack having excellent energy density and durability. | 2021-06-17 |
20210184280 | EQUIPMENT AND METHOD FOR INSPECTING SECONDARY BATTERY - An equipment for inspecting a secondary battery is provided. The equipment includes a loading device on which a secondary battery is loaded in an upright position, and a side portion inspecting device which inspects a side portion of the secondary battery loaded on the loading device, wherein the side portion inspecting device comprises an elevation unit which lifts the secondary battery loaded on the loading device so as to be withdrawn out of the loading device and allows the secondary battery to return to its original position after a first period of time elapses and a side portion inspecting unit which captures an image of the side portion of the secondary battery, which is withdrawn out of the loading device by the elevation unit, thereby inspecting the side portion of the secondary battery. | 2021-06-17 |
20210184281 | MECHANISM FOR ELECTRICALLY CONTACTING A PRINTED CIRCUIT BOARD TO A BATTERY CELL COMPOSITE SYSTEM, AND DEVICE COMPRISING SUCH A MECHANISM, AND SUCH A BATTERY CELL COMPOSITE SYSTEM - A mechanism for electrically contacting a printed circuit board to a battery cell composite system comprises a printed circuit board, at least one bimetallic element which is fastened to the printed circuit board, at least one cell connector for connecting the battery cell composite system to the printed circuit board, wherein the cell connector contacts the at least one bimetallic element with a connecting element, and a fastening element for fastening the connecting element to the at least one bimetallic element. | 2021-06-17 |
20210184282 | METHOD FOR DIAGNOSIS OF A TEMPERATURE CONTROL MEANS OF A BATTERY PACK - A method for diagnosis of a temperature control means ( | 2021-06-17 |
20210184283 | Method to open up electro chemical energy storage devices and thermal treatment system - A method for breaking down electrochemical energy storage devices in conjunction with a subsequent reclamation of recyclable materials contained therein as secondary raw materials. The devices are broken down by a thermal treatment in a negative pressure environment in a process chamber to remove electrolyte and reactive substances, before the thermally treated material is subjected to downstream processing, by which the secondary raw materials are separated from one another. After introducing a batch of storage devices, in a first process step, the process chamber is evacuated with simultaneous heating of the devices to a first temperature level such that electrolytes in the devices evaporate and, due to the resulting vapor pressure, the devices are opened, wherein produced process gases containing electrolytes in the vapor phase are withdrawn from the process chamber. The devices are then heated to a second temperature level for further breakdown with a simultaneous pressure increase in the process chamber in a reducing atmosphere, before the chamber is ventilated and cooled and the broken down devices are removed, wherein the pressure increase is monitored during this second process step so that it increases continuously. Also, a thermal treatment system for removing electrolytes and reactive substances in electrochemical energy storage devices, thus for pyrolytically breaking them down. | 2021-06-17 |
20210184284 | Method to open up electro chemical energy storage devices and thermal treatment system - The disclosure relates to a method for opening up electrochemical energy storage devices in connection with a subsequent recovery of valuable materials contained therein as secondary raw materials, in which method the energy storage devices are opened up by means of a thermal treatment system to remove the electrolytes and reactive substances, before the thermally treated material is subjected to processing, whereby secondary raw materials in the thermally treated material are separated from one another. The thermal treatment is performed in an indirectly heated furnace | 2021-06-17 |
20210184285 | BATTERY MODULE - The present invention provides a battery module comprising: a plurality of battery cells of which the horizontal length of a front surface is formed to be longer than the vertical length and which are vertically stacked; a cooling fin which has a first cooling part contacting an upper and lower surface of adjacent battery cells, and a second cooling part extending from both side surfaces of the first cooling part and contacting both side surfaces of the battery cells which are in contact with the first cooling part; and a side cooling fin which has an ground part contacting a side surface of the second cooling part of the cooling fin, and contacting a heat sink located in a lower part. | 2021-06-17 |
20210184286 | VEHICLE STRUCTURAL MEMBER WITH BATTERY CHILLER - A structural support member for a vehicle includes a structural member, a battery chiller additively manufactured and disposed at least partially within the support member. The battery chiller includes a pair of spaced apart coolant chambers and a plurality of hollow pins extending between the pair of spaced apart coolant chambers such that the pair of spaced apart coolant chambers are in fluid communication with each other via the plurality of hollow pins. A refrigerant chamber can be included and be between the pair of spaced apart coolant chambers such that coolant fluid flows from one of the pair of spaced apart coolant chambers to another of the pair of spaced apart coolant chambers through the refrigerant chamber via the plurality of hollow pins. | 2021-06-17 |
20210184288 | BI-DIRECTIONAL SWITCHABLE COOLING FLOW FOR TRACTION BATTERY - An apparatus and method, according to an exemplary aspect of the present disclosure includes, among other things, a battery pack having a coolant inlet and a coolant outlet, a coolant source to cool the battery pack, and a proportional valve in communication with the coolant inlet and the coolant outlet, and in communication with the coolant source. A battery control module controls the proportional valve such that a direction of flow is switchable at the coolant inlet and the coolant outlet based on temperatures at the coolant inlet and the coolant outlet to provide bi-directional cooling flow through the battery pack. The battery control module directly connects the coolant outlet to the coolant inlet via the proportional valve to bypass the coolant source in response to a predetermined condition. | 2021-06-17 |
20210184290 | BATTERY PACK FOR AERIAL VEHICLE - A battery pack includes a cassette stack comprising a plurality of battery cell cassettes, each of the cassettes including a plurality of support structures. Each support structure comprises an electrically and thermally conductive frame for receiving at least one battery cell having a first terminal and a second terminal, and a heat pipe. The first terminal is electrically coupled to the frame when the at least one battery cell is mounted in the frame. The heat pipe provides thermal conductivity between the frame and a cooling surface. A method of cooling an electric vehicle including a battery pack comprises aligning the battery pack and a cooling structure, moving the cooling structure into contact with the electric vehicle, and circulating coolant through the cooling structure. | 2021-06-17 |
20210184291 | HEAT TRANSFER DEVICE - The invention relates to a heat transfer device ( | 2021-06-17 |
20210184292 | SECONDARY BATTERY - A secondary battery includes a first electrode assembly including a first cathode and a first anode, a second electrode assembly that is disposed to be opposite the first electrode assembly and that includes a second cathode and a second anode, a cooling plate disposed between the first and second electrode assemblies for cooling of the first and second electrode assemblies, an exterior material in which the first and second electrode assemblies are disposed, a cathode tab electrically connected to the first and second cathodes and exposed outside the exterior material, and an anode tab electrically connected to the first and second anodes and exposed outside the exterior material, in which at least one of the cathode tab and the anode tab is coupled to the cooling plate. | 2021-06-17 |
20210184293 | HEAT-RADIATING FLUID COMPOSITION AND BATTERY MODULE COMPRISING THE SAME - The present disclosure relates to a heat-radiating fluid composition, a preparation method thereof, and a battery module and a battery pack including the heat-radiating fluid composition. More specifically, it relates to the heat-radiating fluid composition maintaining an excellent heat-radiating property, and the battery module and the battery pack prepared therefrom. | 2021-06-17 |
20210184294 | ELECTRIFIED VEHICLE THERMAL MANAGEMENT SYSTEMS WITH COMBINABLE BATTERY PACK AND ELECTRIC DRIVE COMPONENT COOLING CIRCUITS - This disclosure details thermal management systems for thermally managing battery packs and other electric drive components of electrified vehicles. An exemplary thermal management system may include a battery cooling circuit and an e-drive cooling circuit. The e-drive cooling circuit may be fluidly connected to the battery cooling circuit by a combination of valves and coolant lines during or in anticipation of certain vehicle conditions, such as high load operating conditions, to augment cooling of electric drive components during the high load operating conditions. | 2021-06-17 |
20210184295 | DEVICE FOR REGULATING THE TEMPERATURE OF A BATTERY USING A DIELECTRIC FLUID, AND BATTERY PACK COMPRISING SUCH A DEVICE - A device for the thermal regulation of a battery comprising at least one energy storage cell, said device comprising a dielectric-fluid circuit, said circuit comprising irrigating means for wetting the surface of said cell with said dielectric fluid. | 2021-06-17 |
20210184296 | Battery Pack Including Heating Member - A battery pack capable of inhibiting the occurrence of temperature deviations between battery cells in a battery cell stack includes a battery cell stack having a plurality of battery cells stacked in tight contact with each other; a heating member disposed along and in close contact with three outer surfaces of the battery cell stack; a temperature sensor connected to each of the battery cells; and a battery pack case configured to receive the battery cell stack, the heating member, and the temperature sensors. The heating member has a unitary structure including a first surface, a second surface, and a third surface. | 2021-06-17 |
20210184297 | METAL AIR BATTERY DEVICE - A metal air battery system comprised of anode/cathode assembly with air gun plenums mounted on both sides of the anode. The anode is mounted in a battery cell chamber that holds the anode parallel with the cathode. The anode is able to move in and out of the battery cell chamber while the air gun plenums emit high pressure air for the purpose of wiping clean liquid electrolyte from the surface of each anode to provide for rapid shutdown of chemical reactions that produce hydrogen gas and electric current. | 2021-06-17 |
20210184298 | BUTTON CELL HAVING WINDING ELECTRODE AND METHOD FOR THE PRODUCTION THEREOF - A button cell includes a housing having a metal cell cup and a metal cell top. The button cell is a secondary lithium ion cell. An electrode winding disposed within the housing is formed from a multi-layer assembly that is wound in a spiral shape about an axis. The multi-layer assembly including a positive electrode, a negative electrode, and a separator disposed between the electrodes. A first conductor is provided that includes a strip-shaped portion that lies flat between a first end side of the electrode winding and a first of the cell cup and cell top. A second conductor is provided that includes a strip-shaped second portion that lies flat between a second end side of the electrode winding and a second of the cell cup and cell top. The first conductor and the second conductor are metal foils. | 2021-06-17 |
20210184299 | POUCH EXTERIOR MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME - The present invention relates to a pouch exterior material which is for a lithium secondary battery and includes an inner layer, an outer resin layer, and a metal layer located between the inner layer and the outer resin layer, wherein the inner layer contains an ethylenically unsaturated group, and a lithium secondary battery including the pouch exterior material. | 2021-06-17 |
20210184301 | ELECTRICITY-STORAGE MODULE MANUFACTURING METHOD AND ELECTRICITY-STORAGE MODULE - A method for manufacturing an electricity-storage module includes: preparing a stacked body and first sealing portions; processing an extension portion of one or more first sealing portions included in an outer edge portion in a stacking direction of the stacked body so that an extension portion length of the one or more of first sealing portions becomes shorter than a length of the extension portions of the first sealing portions which are not included in the outer edge portion; and forming a second sealing portion that is provided at the periphery of the first sealing portions when viewed from the stacking direction and covers at least parts of outer surfaces of the first sealing portions located at stacking ends of the stacked body in the stacking direction by injection molding in which a resin material is caused to circulate in a mold frame. | 2021-06-17 |
20210184302 | CELL FRAME SET AND ENERGY STORAGE DEVICE PACKAGE INCLUDING CELL FRAME SET - A cell frame set, including a first frame and a second frame. The first frame includes a first side edge and a second side edge opposite to the first side edge; the first side edge and the second side edge of the first frame are provided with protruding structures. The second frame includes a first side edge and a second side edge opposite to the first side edge; the first side edge and the second side edge of the second frame are provided with fitting members. The protruding structure of the first frame forms a tight fit with the fitting member of the second frame. | 2021-06-17 |
20210184303 | Battery Module - A battery module includes a module housing including a first plate in which one side is open, a second plate coupled with the first plate to form an internal space, and a partition member disposed across the internal space to couple the first plate with the second plate; and a battery cell stack disposed in the internal space, in which a plurality of battery cells are stacked. | 2021-06-17 |
20210184304 | SUPPORT MEMBER FOR BATTERY PACK TOP HOUSING - A battery pack that is connectable to and supportable by a power tool (e.g., a hand-held power tool). The battery pack includes a top housing having a support member. The support member of the battery pack top housing is configured or operable to reinforce a support portion of the battery pack that is used to connect the battery pack to the power tool. By reinforcing the support portion of the battery pack, an interface between the battery pack and the power tool is able to withstand greater forces (e.g., from vibrations caused by the power tool). | 2021-06-17 |
20210184305 | BATTERY TRAY - A battery tray is for at least one battery module for a motor vehicle. The at least one battery module has multiple battery cells. The battery tray includes: a plurality of modules, the modules including: a front module; a rear module; and at least one central module. The modules each include a base section and at least one wall section. Ducts for a cooling medium are arranged on or in the base section for each of the modules. The modules are each embodied as cast parts and are connected to one another by joining to form a closed, pressure-tight and medium-tight battery tray. | 2021-06-17 |
20210184306 | BATTERY PACK COMPRISING BATTERY PACK FRAME CAPABLE OF PREVENTING WELDING DEFECT AND PRESSING JIG FOR PREPARING THE SAME - A battery pack is provided including a battery module having a plurality of battery cells or a unit module having the plurality of battery cells; a battery pack frame body including a base plate on which the battery module or the unit module is mounted, and a first side plate and a second side plate connected to the base plate and disposed to face each other; a top frame coupled to an upper portion of the battery pack frame body; and a first end plate and a second end plate electrically connected to electrode terminals of the battery module or the unit module, wherein at least one of the first end plate and the second end plate is configured to include slits. | 2021-06-17 |
20210184307 | BATTERY MODULE - A battery module includes battery cells arranged along a longitudinal direction of the battery module with respective long side surfaces of adjacent ones of the battery cells facing each other and heat-insulating partition walls interposed between the respective long side surfaces of the adjacent ones of the battery cells. A heat-insulating partition wall of the heat-insulating partition walls includes a heat-insulating sheet and a frame around an edge of the heat-insulating sheet. The heat-insulating sheet has a plate shape and comprises pores therein. The heat-insulating sheet is coupled between the respective long side surfaces of the adjacent ones of the battery cells. | 2021-06-17 |
20210184308 | CYLINDRICAL LITHIUM ION SECONDARY BATTERY - Various embodiments of the present invention relate to a cylindrical lithium ion secondary battery. A problem to be solved is to provide a cylindrical lithium ion secondary battery which, when internal gas pressure is larger than predetermined first reference pressure (operating pressure) and is smaller than predetermined second reference pressure (breaking pressure) during overcharging, can maintain an internal sealing while a current path is blocked by a cap assembly. To this end, the present invention provides a cylindrical lithium ion secondary battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein the cap assembly comprises a top plate having a flat surface on which a notch is formed, a middle plate coupled to the top plate and including a first through-hole formed through the center thereof, and a bottom plate electrically connected with the electrode assembly, attached to the middle plate with an insulating plate interposed therebetween, and connected to the top plate through the first through-hole of the middle plate. | 2021-06-17 |
20210184309 | METHOD FOR MANUFACTURING SEPARATOR, SEPARATOR FORMED THEREBY, AND ELECTROCHEMICAL DEVICE INCLUDING SAME - A method for manufacturing a separator, including the steps of: (S1) preparing a pre-dispersion including inorganic particles dispersed in a pre-dispersion solvent and a first binder polymer dissolved in the pre-dispersion solvent; (S2) conducting a preliminary milling of the pre-dispersion; (S3) preparing a binder polymer solution including a second binder polymer dissolved in a binder polymer solution solvent; (S4) mixing the pre-dispersion with the binder polymer solution and carrying out a secondary milling to obtain a slurry for forming a porous coating layer; and (S5) applying the slurry to at least one surface of a porous polymer substrate, followed by drying, is disclosed. A separator obtained by the method and an electrochemical device including the same are also disclosed. According to the present disclosure, it is possible to provide a separator having a uniform surface and showing improved adhesion. | 2021-06-17 |
20210184310 | SEPARATOR FILM CONVEYANCE DEVICE FOR NONAQUEOUS ELECTROLYTIC-SOLUTION SECONDARY BATTERY AND METHOD FOR MANUFACTURING SEPARATOR FILM FOR NONAQUEOUS ELECTROLYTIC-SOLUTION SECONDARY BATTERY - A nonaqueous electrolyte secondary battery separator film transfer device is provided which realizes a foreign object removing technique that is less likely to cause defects in a separator. The device includes a magnet bar which is arranged in a transfer path and generates a magnetic field for removing, from a separator film being transferred, a magnetic substance adhering to a first surface of the separator film; and an air cylinder which allows a distance to the magnet bar from the first surface of the separator film to be variable. | 2021-06-17 |
20210184311 | LITHIUM ION BATTERY SEPARATOR - The invention relates to a separator for non-aqueous-type electrochemical devices that has been coated with a polymer binder composition having polymer particles of two different sizes, one fraction of the polymer particles with a weight average particle size of less than 1.5 micron, and the other fraction of the polymer particles with a weight average particle size of greater than 1.5 microns. The bi-modal polymer particles provide an uneven coating surface that creates voids between the separator and adjoining electrodes, allowing for expansion of the battery components during the charging and discharging cycle, with little or no increase in the size of the battery itself. The bi-modal polymer coating can be used in non-aqueous-type electrochemical devices, such as batteries and electric double layer capacitors. | 2021-06-17 |
20210184312 | ABSORBENT GLASS MAT SEPARATORS, VRLA BATTERIES, AND RELATED METHODS OF MANUFACTURE AND USE - Disclosed herein are soluble content absorbent glass mats or AGM separators for VRLA, AGM, or VRLA AGM batteries. Such glass mats may be prepared from insoluble glass fibers blended with soluble content materials. Upon exposure to a suitable solvent, the dissolving or solvating of the soluble content produces voids within the glass mat. The voids enhance the absorption of the solvent within the glass mat. The soluble content may be acid-soluble glass fibers or microfibers. | 2021-06-17 |
20210184313 | SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY FUNCTIONAL LAYER, SEPARATOR FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY - Provided is a slurry composition for a functional layer that can form a functional layer capable of closely adhering strongly to a separator substrate and that can enhance rate characteristics of a secondary battery including a separator that includes the functional layer. The slurry composition for a functional layer contains a binder and a melamine compound. The binder is a polymer including at least one functional group selected from the group consisting of a carboxy group, a hydroxyl group, an amino group, an epoxy group, an oxazoline group, a sulfo group, a nitrile group, and an amide group. The melamine compound has a volume-average particle diameter of not less than 20 nm and not more than 300 nm and constitutes a proportion of not less than 0.5 mass % and not more than 85 mass % among the total of the binder and the melamine compound. | 2021-06-17 |
20210184314 | SEPARATOR FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND LITHIUM SECONDARY BATTERY INCLUDING SAME - This application relates to a separator for a lithium secondary battery, a method for manufacturing a separator for a lithium secondary battery, and a lithium secondary battery including same. The separator includes a porous substrate, a heat resistant layer positioned on at least one surface of the porous substrate and including inorganic particles, and a first adhesive layer positioned on the heat resistant layer and including a first organic polymer. The heat resistant layer includes the inorganic particles of 90 wt % to 99 wt % on the basis of total weight, the thickness of the heat resistant layer is 3.5 μm to 7 μm, and the thickness of the first adhesive layer is 0.5 μm to 3.0 μm. | 2021-06-17 |
20210184315 | SEPARATOR AND ENERGY STORAGE DEVICE - A separator includes a porous substrate, and a porous layer arranged on a surface of the porous substrate. The porous layer comprises inorganic particles and a binder, and a ratio of Dv90 of the inorganic particles to the thickness of the porous layer is in a range from 0.3 to 3.0. Excellent adhesion exists between the separator and the electrode according to the present application, which ensures that the energy storage device has good safety performance. Moreover, the rate performance and cycle performance of the energy storage device can be greatly improved due to the existence of inorganic particles in the separator. | 2021-06-17 |
20210184316 | SEPARATOR AND ELECTROCHEMICAL DEVICE - A separator including a porous substrate and a porous layer. The porous layer is disposed on a surface of the porous substrate and includes inorganic particles and a binder. The porous substrate has an absolute plastic deformation rate in a first direction ranging from about 40% to about 1800%. By using the separator provided in the present application, the safety performance of lithium ion batteries is improved. | 2021-06-17 |
20210184317 | METHODS OF PRODUCING BATTERIES UTILIZING ANODE COATINGS DIRECTLY ON NANOPOROUS SEPARATORS - Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode layer opposite to the anode current collector layer, wherein the first anode layer is coated directly on the separator layer. | 2021-06-17 |
20210184318 | BATTERY LITHIUM CLUSTER GROWTH CONTROL - An apparatus includes a battery stack including a plurality of alternating anodes and cathodes, wherein each of the anodes is positioned between first and second separators, and wherein a tab of the anode extends out from between the first and second separators, and an edge tape extending across a top of the first and second separators. | 2021-06-17 |
20210184319 | BATTERY PACK HAVING STRUCTURE CAPABLE OF PREVENTING OVERCHARGE, AND VEHICLE COMPRISING SAME - A battery pack includes a battery module assembly including a first battery module and a second battery module; a first connector connected to a first electrode of the first battery module; a second connector connected to a second electrode of the second battery module and spaced apart from the first connector; a switch configured to connect the first connector and the second connector; a current blocking member connected to one side of the switch in a longitudinal direction and configured to turn off the switch by causing a bending deformation when a potential difference formed between both electrodes of the battery module is equal to or greater than a reference value. | 2021-06-17 |
20210184320 | Battery With Enhanced Resistance to Dendrite Formation - A battery includes a case having a feedthrough port, a feedthrough assembly disposed in the feedthrough port, and a cell stack disposed within the case. The feedthrough port includes an inner conductor and an insulator core separating the inner conductor from the case. The cell stack includes an anode, a cathode, and a separator insulating the anode from the cathode, wherein the anode and cathode are offset from one another. An insulating boot surrounding the cell stack insulates the cell stack from the case. The insulating boot has an opening configured to receive therein the feedthrough assembly, which may include overmolded insulation. The interior surfaces and interior walls of the battery case may be thermal spray-coated with a dielectric material to prevent lithium dendrite formation between cathode and anode surfaces. | 2021-06-17 |
20210184321 | CYLINDRICAL LITHIUM ION SECONDARY BATTERY - The present invention relates to a cylindrical lithium ion secondary battery which, when an upper end of a cylindrical can is clamped, can prevent deformation of a cap assembly so as to improve safety. For an example, a cylindrical lithium ion secondary battery is disclosed, the battery comprising: a cylindrical can; an electrode assembly received in the cylindrical can; and a cap assembly for sealing the cylindrical can, wherein: the cap assembly comprises a top plate having a notch formed thereon, a support plate disposed in close contact with a lower surface of the top plate and including a first through-hole formed through the center thereof, and a bottom plate electrically connected with the electrode assembly and connected to the lower surface of the top plate through the first through-hole; and the support plate has a strength greater than a strength of the top plate. | 2021-06-17 |
20210184322 | BATTERY - A battery includes: a core cell including a first surface and a second surface which are opposite each other and on which first and second electrodes are respectively located, and a lateral surface connecting the first and second surfaces; an insulating sheet arranged on the first surface of the core cell and in which a conduction hole facing the first electrode is defined; and an electrode plate arranged on the insulating sheet and electrically connected to the first electrode through the conduction hole. | 2021-06-17 |
20210184323 | SWITCH, MULTIPLEXER, AND PHASE SHIFTER BASED ON EMNZ METAMATERIALS - A metamaterial switch. The metamaterial switch includes a first conductive plate, a first loaded conductive plate, and a magneto-dielectric material. The first loaded conductive plate includes a second conductive plate and a first tunable impedance surface set. Each tunable impedance surface in the first tunable impedance surface set includes a respective tunable conductivity. An effective permittivity of the metamaterial switch is configured to be adjusted to a first predetermined value. The effective permittivity of the metamaterial switch is adjusted responsive to tuning a respective tunable conductivity of each respective tunable impedance surface in the first tunable impedance surface set. | 2021-06-17 |
20210184324 | FILTER DEVICE - A filter device includes a first filter connected between a common terminal and a first individual terminal, and a second filter connected between the common terminal and a second individual terminal. A pass band of the second filter is in a frequency range lower than a pass band of the first filter. The first filter includes SAW resonators, at least one of which includes divided resonators connected in parallel with each other. Each of the divided resonators includes an IDT. A pitch of the IDT of one of the divided resonators is different from that of another of the divided resonators. | 2021-06-17 |
20210184325 | ANTENNA DEVICE, FEEDING CABLE MODULE THEREOF, AND METALLIC CABLE HOLDER - An antenna device, a feeding cable module thereof, and a metallic cable holder are provided. The metallic cable holder includes two fixing portions and a cable arrangement portion. The two fixing portions are arranged along a straight direction and are fixed onto a metal plate. The cable arrangement portion is connected between the two fixing portions and includes a plurality of rack segments regularly arranged along the straight direction. Each of the rack segments has an insertion opening, and the insertion opening of each of the rack segments is configured to hold a feeding cable having a cable diameter that is greater than an opening diameter of the insertion opening. When the feeding cable passes through the insertion opening to be positioned by the corresponding rack segment, the feeding cable is surrounded by the corresponding rack segment with a predetermined angle that is smaller than 360 degrees. | 2021-06-17 |
20210184326 | LOW LOSS HIGH-SPEED INTERCONNECTS - An electronic device and associated methods are disclosed. In one example, the electronic device can include an assembly having asymmetrically situated conductors. In selected examples, the assembly includes a ground plane, a central shield portion, a first side shield portion on a. first side, a second side shield portion on a second side, a first conductor asymmetrically situated between the central shield portion and the first side shield portion, a second conductor asymmetrically situated between the central shield portion and the second side shield portion, and dielectric within the assembly. | 2021-06-17 |
20210184327 | Thin Film Surface Mountable High Frequency Coupler - A high frequency coupler is disclosed that is configured for grid array-type surface mounting. The coupler includes a monolithic base substrate having a top surface and a bottom surface. A first thin film microstrip and a second thin film microstrip are each disposed on the top surface of the monolithic base substrate. Each microstrip has an input end and an output end. At least one via extends through the monolithic base substrate from the top surface to the bottom surface of the monolithic base substrate. The via(s) are electrically connected with at least one of the input end or the output end of the first microstrip or the second microstrip. The coupler has a coupling factor that is greater than about −30 dB at about 28 GHz. | 2021-06-17 |
20210184328 | DIRECTIONAL COUPLER - A directional coupler includes a main line and a sub-line electromagnetically coupled to each other, a variable termination circuit that is connected to one end of the sub-line and that has a variable impedance, a variable matching circuit that is connected to the other end of the sub-line and that has a variable impedance or a variable attenuator that has a variable attenuation, and a control circuit that controls the impedance of the variable termination circuit and that controls the impedance of the variable matching circuit or the attenuation of the variable attenuator. The control circuit includes a non-volatile memory and controls the impedance of the variable termination circuit in accordance with data stored in the memory. | 2021-06-17 |
20210184329 | TECHNOLOGIES FOR LONG-LIVED 3D MULTIMODE MICROWAVE CAVITIES - Technologies for a long-lived 3D multimode microwave cavity are disclosed. In the illustrative embodiment, a series of overlapping holes are drilled into a monolithic block of aluminum forming a cavity. The dimensions of the cavity formed by the overlapping holes can be made long by drilling a long series of holes in a row and can be made high by drilling holes a certain depth into the cavity. if two dimensions of the cavity are bigger than the diameter of the holes used to create the cavity, then the cavity can support electromagnetic waves that cannot propagate through the holes, leading to a long lifetime in the cavity. A superconducting qubit or other non-linear element can be inserted into the cavity, which can controllably interact with each of several modes of the cavity. In this way, the modes of the cavity can act as components in a quantum memory. | 2021-06-17 |
20210184330 | IRIS HEATER STRUCTURE FOR UNIFORM HEATING - An antenna has radio-frequency (RF) antenna elements and two substrates. A heater structure is connected to at least one of the two substrates, for heating the RF antenna elements. In one embodiment, the antenna comprises: a physical antenna aperture having an array of radio frequency (RF) antenna elements formed with patch and iris substrates, the iris substrate having a plurality of layers including an iris metal layer; and a heater structure coupled to one or more of the plurality of layers of the iris substrate for heating the RF antenna elements. | 2021-06-17 |
20210184331 | DEPLOYABLE STRUCTURE FOR USE IN ESTABLISHING A REFLECTARRY ANTENNA - A deployable structure for use in establishing a reflectarray antenna is provided that includes a flexible reflectarray and a deployment structure that includes an endless pantograph for deploying the flexible reflectarray from a folded, undeployed state towards a deployed state in which the flexible reflectarray is substantially planar. In a particular embodiment, the deployment structure includes a plurality of tapes that engage the endless pantograph and are used to establish a positional relationship between the deployed reflectarray and another component of the reflectarray antenna. | 2021-06-17 |
20210184332 | ANTENNA ALIGNMENT SYSTEM INCLUDING TECHNICIAN TOOL MOUNT AND RELATED METHODS - An antenna alignment system for a directional antenna may include an antenna alignment device to be temporarily mounted to the directional antenna to determine antenna positioning data therefor. The antenna alignment system may also include a technician tool mount associated with the antenna alignment device. The antenna alignment device may also include a technician tool configured to be temporarily mounted to the technician tool mount, and acquire an image looking in a direction outward from the directional antenna. | 2021-06-17 |
20210184333 | VEHICLE ANTENNA GLAZING - A vehicle antenna glazing comprising an antenna element that is a WIFI antenna working at 2.41-2.48 GHz frequencies and further comprises a planar radiating element connected to a co-axial connector. | 2021-06-17 |
20210184334 | COMBINED ACTIVE AND PASSIVE WIRELESS COMMUNICATION DEVICE - A wireless communication device comprises a control unit, an antenna interface, an active wireless transceiver operable together with the control unit and antenna interface, a passive wireless transceiver operable together with the antenna interface and operable by harvesting power from received radio messages. The device is further configured to deactivate the one or more active wireless transceivers and control unit to an inactive state and, subsequently, by the passive wireless transceiver, activate the control unit and an active wireless transceiver to an active state when the passive wireless transceiver receives a message from the antenna interface. | 2021-06-17 |
20210184335 | SEMICONDUCTOR PACKAGE AND MANUFACTURING METHOD THEREOF - A semiconductor package and a manufacturing method thereof are provided. The semiconductor package includes: patch antennas, encapsulated by a first encapsulant; a device die, vertically spaced apart from the patch antennas, and electrically coupled to the patch antennas; and at least one redistribution structure, disposed between the patch antennas and the device die, and including electromagnetic bandgap (EBG) structures laterally surrounding each of the patch antennas. | 2021-06-17 |