Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2005-07-19
2005-07-19
Weiner, Laura (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S330000, C429S331000, C429S332000, C429S231400, C429S231800, C429S231950, C252S062200
Reexamination Certificate
active
06919145
ABSTRACT:
A non-aqueous electrolyte secondary battery comprising a negative electrode, a positive electrode and an electrolyte having a lithium salt dissolved in a non-aqueous solvent characterized in that said non-aqueous solvent contains a vinylethylene carbonate compound represented by the general formula (I) in an amount of from 0.01 to 20% by weight is subject to minimized decomposition of the electrolyte and can provide a high capacity as well as exhibits excellent storage properties and cycle life performance.wherein R1, R2, R3, R4, R5and R6each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
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Fujii Takashi
Kotato Minoru
Shima Noriko
Suzuki Hitoshi
Mitsubishi Chemical Corporation
Weiner Laura
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