- 专利标题: Nonaqueous electrolyte secondary battery
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申请号: US523569申请日: 1990-05-15
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公开(公告)号: US5079109A公开(公告)日: 1992-01-07
- 发明人: Norio Takami , Takahisa Ohsaki , Kuniaki Inada , Norihito Kurisu , Shuji Yamada , Junichi Takabayashi
- 申请人: Norio Takami , Takahisa Ohsaki , Kuniaki Inada , Norihito Kurisu , Shuji Yamada , Junichi Takabayashi
- 申请人地址: JPX Kawasaki JPX Tokyo
- 专利权人: Kabushiki Kaisha Toshiba,Toshiba Battery Co., Ltd.
- 当前专利权人: Kabushiki Kaisha Toshiba,Toshiba Battery Co., Ltd.
- 当前专利权人地址: JPX Kawasaki JPX Tokyo
- 优先权: JPX1-122604 19890516; JPX1-184245 19890717; JPX1-215592 19890822; JPX1-215593 19890822; JPX1-215594 19890822
- 主分类号: H01M10/05
- IPC分类号: H01M10/05 ; H01M10/0569
摘要:
A nonaqueous electrolyte secondary battery comprising a positive electrode housed in a case a negative electrode arranged in the case so that a separator is sandwiched between the positive and negative electrodes consisting of lithium or lithium-containing material, and a nonaqueous electrolyte contained in the case and prepared by dissolving an electrolytic salt consisting of lithium phosphate hexafluoride (LiPF.sub.6) or lithium borofluoride (LiBF.sub.4) in a solvent mixture consisting of ethylene carbonate, 2-methyltetrahydrofuran, and at least one ester-based nonaqueous solvent selected from the group consisting of butylene carbonate, dimethyl carbonate, .gamma.-butyrolactone, and sulfolane.