Patent application number | Description | Published |
20140004399 | JELLY-ROLL TYPE ELECTRODE ASSEMBLY PATTERN-COATED WITH ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME | 01-02-2014 |
20140050959 | STEPWISE ELECTRODE ASSEMBLY HAVING VARIOUSLY-SHAPED CORNER AND SECONDARY BATTERY, BATTERY PACK AND DEVICE COMPRISING THE SAME - There is provided an electrode assembly having steps including: a first electrode stair including at least one first electrode unit; and a second electrode stair including at least one second electrode unit having an area different from that of the first electrode unit, wherein the first electrode stair and the second electrode stair are stacked to be adjacent, separated by at least one separator as a boundary therebetween and including one or more electrode laminates having steps formed by a difference between areas of the first electrode stair and the second electrode stair, and shapes of the corners of the first electrode stair and the second electrode stair having steps are different. There is also provided a secondary battery including the electrode assembly. Secondary batteries having various designs without restriction in shapes of corners of electrode units can be provided. | 02-20-2014 |
20140072850 | STEPPED ELECTRODE ASSEMBLY HAVING PREDETERMINED A THICKNESS RATIO IN THE INTERFACE BETWEEN ELECTRODE UNITS, BATTERY CELL AND DEVICE COMPRISING THE SAME - There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units. | 03-13-2014 |
20140120394 | STEPPED ELECTRODE ASSEMBLY HAVING PREDETERMINED A REVERSIBLE CAPACITANCE RATIO IN THE INTERFACE BETWEEN ELECTRODE UNITS, BATTERY CELL AND DEVICE COMPRISING THE SAME - There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units. | 05-01-2014 |
20140215810 | JELLY-ROLL TYPE ELECTRODE ASSEMBLY PATTERN-COATED WITH ACTIVE MATERIAL AND SECONDARY BATTERY INCLUDING THE SAME - Provided is a jelly-roll type electrode assembly pattern-coated with active materials manufactured by winding and compressing a separator and an anode and a cathode arranged on both sides of the separator. The anode includes anode flat coated portion coated with an anode active material and anode curved uncoated portion not coated with the anode active material, which are alternately formed. The cathode includes a cathode flat coated portion coated with a cathode active material and a cathode curved uncoated portion not coated with the cathode active material, which are alternately formed. | 08-07-2014 |
20140255743 | BALANCED STEPPED ELECTRODE ASSEMBLY, AND BATTERY CELL AND DEVICE COMPRISING THE SAME - There are provided an electrode assembly, and a battery cell, a battery pack, and a device. The electrode assembly includes a combination of two or more types of electrode units having different areas, wherein the electrode units are stacked such that steps are formed, and electrode units are formed such that a positive electrode and a negative electrode face one another at an interface between the electrode units. | 09-11-2014 |
20150236321 | ELECTRODE ASSEMBLY, BATTERY CELL, MANUFACTURING METHOD OF ELECTRODE ASSEMBLY, AND MANUFACTURING METHOD OF BATTERY CELL - The present invention relates to a method of manufacturing an electrode assembly, the method including: preparing an electrode laminate including at least one negative electrode, at least one positive electrode, and at least one separation film; generating a separation film assembly by bonding remaining portions of the separation film positioned in regions not corresponding to shapes of the negative electrode and the positive electrode; and cutting the separation film assembly so as to correspond to the shapes of the negative electrode and the positive electrode, and an electrode assembly manufactured by the method. | 08-20-2015 |
20150255775 | STEPWISE ELECTRODE ASSEMBLY INCLUDING ONE-SIDED NEGATIVE ELECTRODE - An electrode assembly includes at least one positive electrode coated with a positive electrode active material on both surfaces of a positive electrode current collector and at least one negative electrode coated with a negative electrode active material on both surfaces of a negative electrode current collector are alternately stacked in a direction perpendicular to a plane by placing a separation film therebetween. The electrode assembly includes a stepped part formed by placing a second electrode which has a different pole and a different area from those of a first electrode on the first electrode. At least one of outermost electrodes located on both surfaces of the electrode assembly is a one-side coated negative electrode, which has a surface coated with the negative electrode active material, and another surface as a non-coated portion. The non-coated portion is arranged in order to face the outside of the electrode assembly. | 09-10-2015 |