Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2005-07-26
2005-07-26
Weiner, Laura (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S330000, C429S199000, C429S200000, C429S231950, C429S338000, C429S339000, C429S340000, C429S341000, C429S342000
Reexamination Certificate
active
06921612
ABSTRACT:
Provided are a nonaqueous electrolyte for improving overcharge safety and a lithium battery using the same. The nonaqueous electrolyte according to the present invention forms a polymer due to its oxidative decomposition even if there is an increase in voltage due to overcharge of a battery by some uncontrollable conditions, so that overcharge current is continuously consumed, thereby protecting the battery. Therefore, overcharge safety of the battery can be enhanced, and occurrence of swelling is reduced. Also, deterioration in formation, standard capacity and cycle life characteristics can be prevented.
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Office Action.
Choy Sang-hoon
Kim Ho-sung
Lee Ha-young
Noh Hyeong-gon
Sun Hee-young
Samsung SDI & Co., Ltd.
Stein, McEwen & Bui LLP
Weiner Laura
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