Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Reexamination Certificate
2005-09-13
2005-09-13
Weiner, Laura (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
C429S329000, C429S330000, C429S337000, C429S231800, C429S231950
Reexamination Certificate
active
06942948
ABSTRACT:
A nonaqueous electrolyte solution for secondary batteries which is an electrolyte solution for secondary batteries obtained by dissolving a lithium salt in a nonaqueous solvent, wherein the nonaqueous solvent is a solvent mainly comprising a lactone compound and the content of hydroxy carboxylic acids in the electrolyte solution is 1 mmol/kg or lower and a secondary battery employing the same are excellent in high-temperature storage characteristics, cycle characteristics, and capacity retention characteristics and in various cell characteristics in a wide temperature range and safety such as firing properties.
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Product Brochure published by Mitsubishi Petrochemical Co., Ltd., pp. 1-29, Sep. 1994 (with partial English translation of pp. 4 , 5 and 20).
Fujii Takashi
Kinoshita Shin-ichi
Kotato Minoru
Noda Daisuke
Suzuki Hitoshi
Mitsubishi Chemical Corporation
Weiner Laura
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