Murata Manufacturing Co., Ltd.

Hydro-quebec

Charlotte Mallet

Karim Zaghib

Sylviane Rochon

Jean-Christophe Daigle

Shinichi Uesaka

Antoine Lafleur-Lambert

Yuichiro Asakawa

Serge Verreault

Kamyab Amouzegar

Narumi Arai

Josée Pronovost

Mélanie Beaupré

Here is described an electrode material comprising an electrochemically active metallic film and an organic compound, e.g. an indigoid compound (indigo blue or a derivative or precursor thereof). Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.

Electrode materials and processes for their preparation

Squaric acid-based polymers and their use in electrode materials and/or electrolyte compositions, as well as their production processes are described herein. Also described are electrode materials, electrodes, electrolyte compositions, electrochemical cells, electrochemical accumulators, and optoelectronic devices comprising the polymers and their uses.

Squaric acid-based polymers, their manufacturing processes and their uses

Method of improving the performance and safety of a Li-ion battery. The method includes using a nitrile-based small organic compound of general formula I, V or IX outlined in the application in association with the electrolyte of the battery. An electrolyte including a nitrile-based small organic compound. A battery including the electrolyte.

Additives for electrolytes in Li-ions batteries

Here are described compounds for use as electrode additives or as salts in electrolyte compositions, and their methods of preparation. Also described are electrochemical cells comprising the compounds as electrode additives or as salts in electrolyte compositions.

Lithium salts of cyano-substituted imidazole for lithium ion batteries

Method of improving the performance of a Li-ion battery comprising metal-based cathode material which produces Mmetal ions. The method comprises using a small organic compound in association with the electrolyte of the battery or using a polymer compound in association with the cathode active material of the battery. The small organic compound and the polymer compound comprise at least one chemical group suitable for forming complexes with the Mmetal ions thereby preventing dissolution thereof.

Additives for electrolyte and cathode material in Li-ion batteries comprising metal-based cathode material which produces Mmetal ions

Here are described polymers comprising monomeric units from vinylimidazole derivatives and their use in electrode materials and/or electrolyte compositions, as well as their methods of preparation. Also described are electrode materials, electrodes, and electrochemical cells comprising the polymers and their use.

Polymers comprising imidazole derivatives and their use in electrochemical cells

This application describes an electrode material comprising an indigoid compound, i.e. indigo blue or a derivative thereof, for instance, together with particles of an electrochemically active material dispersed in a binder. Processes for the preparation of the electrode material and electrodes containing the material, as well as to the electrochemical cells and their use are also contemplated.

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Montreal, Canada

Charlotte Mallet