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    • 5. 发明授权
    • Nonaqueous electrolyte secondary batteries
    • 非水电解质二次电池
    • US5484669A
    • 1996-01-16
    • US309332
    • 1994-09-20
    • Hiromi OkunoHizuru KoshinaKatsuaki Hasegawa
    • Hiromi OkunoHizuru KoshinaKatsuaki Hasegawa
    • H01M10/0569H01M6/16
    • H01M10/0569
    • A nonaqueous electrolyte secondary battery having excellent cycle life characteristic, stability in storage at high temperatures and low-temperature characteristic, which is provided with an anode including a carbon material capable of doping and undoping lithium ion, a nonaqueous electrolyte and a cathode including a lithium-containing oxide, the solvent for the nonaqueous electrolyte being a mixed solvent including an aliphatic carboxylate, a cyclic carbonate and a non-cyclic carbonate, with the aliphatic carboxylate being represented by the formula RCOOR' where R represents an alkyl group of three or more carbon atoms and R' represents an alkyl group of one or two carbon atoms and the cyclic carbonate being one of ethylene carbonate and propylene carbonate.
    • 具有优异的循环寿命特性,高温储存稳定性和低温特性的非水电解质二次电池,其具有包括能够掺杂和去掺杂锂离子的碳材料的阳极,非水电解质和包含锂的阴极 非水电解质的溶剂是包含脂族羧酸酯,环状碳酸酯和非环状碳酸酯的混合溶剂,其中脂肪族羧酸酯由式RCOOR'表示,其中R表示三个或更多个的烷基 碳原子,R'表示一个或两个碳原子的烷基,环状碳酸酯是碳酸亚乙酯和碳酸亚丙酯之一。