H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 2/16 (2006.01) H01M 2/18 (2006.01) H01M 4/00 (2006.01) H01M 4/02 (2006.01) H01M 6/18 (2006.01) H01M 10/40 (2006.01)
Patent
CA 2502438
Disclosed are ionically conductive composites for protection of active metal anodes and methods for their fabrication. The composites may be incorporated in active metal negative electrode (anode) structures and battery cells. In accordance with the invention, the properties of different ionic conductors are combined in a composite material that has the desired properties of high overall ionic conductivity and chemical stability towards the anode, the cathode and ambient conditions encountered in battery manufacturing. The composite is capable of protecting an active metal anode from deleterious reaction with other battery components or ambient conditions while providing a high level of ionic conductivity to facilitate manufacture and/or enhance performance of a battery cell in which the composite is incorporated.
L'invention concerne des composites conducteurs d'ions servant à protéger des anodes métalliques actives, ainsi que les procédés servant à les fabriquer. Ces composites peuvent être incorporés dans des structures métalliques actives, telles que des électrodes négatives (anode) ou des piles de batteries. Selon l'invention, les propriétés de différents conducteurs ioniques sont combinées en matériau composite possédant les propriétés désirées de conductivité ionique générale élevée et de stabilité chimique vers l'anode, la cathode et les conditions ambiantes rencontrées pendant la fabrication de la batterie. Ce composite est capable de protéger une anode métallique active contre une réaction nocive avec d'autres éléments de batterie ou des conditions ambiantes, tout en assurant un niveau élevé de conductivité ionique afin de faciliter la fabrication et/ou augmenter les performances d'une pile de batterie dans laquelle on a incorporé ce composite.
Katz Bruce D.
Nimon Yevgeniy S.
Visco Steven J.
Cassan Maclean
Polyplus Battery Company
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