Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell with protective layer on electrolyte
Reexamination Certificate
2005-12-28
2009-12-29
Weiner, Laura S (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Cell with protective layer on electrolyte
C429S231300, C429S223000, C429S224000, C429S231100, C429S218100, C427S058000
Reexamination Certificate
active
07638236
ABSTRACT:
A positive electrode for a lithium ion battery has a conductive collector, a positive electrode active material layer being contact with the collector, and a cover layer disposed on at least part of the surface of the positive electrode active material layer. The positive electrode active material layer has a compound containing at least one kind selected from a group of cobalt, nickel, and manganese as a component. The cover layer is made of a compound with lithium ion conductivity that is expressed by general formula LixPTyOzor LiaMObNcand has high moisture resistance.
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Ito Shuji
Mino Shinji
Shibano Yasuyuki
Ugaji Masaya
McDermott Will & Emery LLP
Panasonic Corporation
Weiner Laura S
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