Patent application number | Description | Published |
20090301552 | CHLORINATED NAPHTHALENETETRACARBOXYLIC ACID DERIVATIVES, PREPARATION THEREOF AND USE THEREOF IN ORGANIC ELECTRONICS - The present invention relates to chlorinated naphthalenetetracarboxylic acid derivatives, preparation thereof and use thereof as charge transport materials, exciton transport materials or emitter materials. | 12-10-2009 |
20100171108 | USE OF N,N'-BIS(1,1-DIHYDROPERFLUORO-C3-C5-ALKYL)-PERYLENE-3,4:9,10- TETRACARBOXYLIC DIIMIDES - The present invention relates to the use of N,N′-bis(1,1-dihydroperfluoro-C | 07-08-2010 |
20130164635 | USE OF EXPANDED GRAPHITE IN LITHIUM/SULPHUR BATTERIES - The present invention relates to a solid composite for use in the cathode of a lithium- sulphur electric current producing cell wherein the solid composite comprises 1 to 75 wt.-% of expanded graphite, 25 to 99 wt.-% of sulphur, 0 to 50 wt.-% of one or more further conductive agents other than expanded graphite, and 0 to 50 wt.-% one or more binder, based on the total amount of the solid composite, a lithium-sulphur electric current producing cell comprising (i) a cathode comprising the solid composite, (ii) an anode and (iii) an electrolyte interposed between said cathode and said anode, and a process for preparing the solid composite comprising the steps (I) preparing a slurry comprising sulphur, expanded graphite, and optionally further components in a liquid medium by dispersing the sulphur, the expanded graphite, and optionally the further components in the liquid medium; (H) casting the slurry provided in step (I) on a substrate or placing the slurry provided in step (I) into a mold; and (III) removing some or all of the liquid medium from the slurry cast in step (II) to form a solid composite. | 06-27-2013 |
20140127419 | POLYMERS FOR USE AS PROTECTIVE LAYERS AND OTHER COMPONENTS IN ELECTROCHEMICAL CELLS - Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided. | 05-08-2014 |
20140127577 | POLYMERS FOR USE AS PROTECTIVE LAYERS AND OTHER COMPONENTS IN ELECTROCHEMICAL CELLS - Electrode structures and electrochemical cells are provided. The electrode structures and/or electrochemical cells described herein may include one or more protective layers comprising a polymer layer and/or a gel polymer electrolyte layer. The polymer layer may be formed from the copolymerization of an olefinic monomer comprising at least one electron withdrawing group and an olefinic comonomer comprising at least one electron donating group. Methods for forming polymer layers are also provided. | 05-08-2014 |
20140272565 | PROTECTED ELECTRODE STRUCTURES - An electrode structure and its method of manufacture are disclosed. The disclosed electrode structures may be manufactured by depositing a first release layer on a first carrier substrate. A first protective layer may be deposited on a surface of the first release layer and a first electroactive material layer may then be deposited on the first protective layer. | 09-18-2014 |
20150162586 | NEW SEPARATOR - Articles and methods including separators that can be used in electrochemical cells are provided. In some embodiments, a separator comprises at least one separator backbone (as component a)) and at least one polymer (as component b)). The polymer according to component b) may comprises polymerized units of at least one ethylenically unsaturated monomer having no additional functional groups and at least one ethylenically unsaturated anionic monomer. Processes for preparing the separators and the use of said separators in, for example, an electrochemical cell and, in particular, in a battery, are also provided. Electrochemical cells (e.g., a battery) containing a separator are also provided. In some embodiments, lithium-sulfur batteries that include a separator comprising charged groups (e.g., carboxylate groups) are provided. | 06-11-2015 |
20150236320 | ELECTRODE PROTECTION USING A COMPOSITE COMPRISING AN ELECTROLYTE-INHIBITING ION CONDUCTOR - Composite structures including an ion-conducting material and a polymeric material (e.g., a separator) to protect electrodes are generally described. The ion-conducting material may be in the form of a layer that is bonded to a polymeric separator. The ion-conducting material may comprise a lithium oxysulfide having a lithium-ion conductivity of at least at least 10 | 08-20-2015 |