发明申请
US20050233222A1 Non-aqueous electrolyte for secondary batteries and non-aqueous electrolyte secondary batteries using the same
审中-公开
用于二次电池的非水电解质和使用其的非水电解质二次电池
- 专利标题: Non-aqueous electrolyte for secondary batteries and non-aqueous electrolyte secondary batteries using the same
- 专利标题(中): 用于二次电池的非水电解质和使用其的非水电解质二次电池
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申请号: US11077504申请日: 2005-03-11
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公开(公告)号: US20050233222A1公开(公告)日: 2005-10-20
- 发明人: Katsunori Yanagida , Takanobu Chiga , Atsushi Yanai , Yoshinori Kida
- 申请人: Katsunori Yanagida , Takanobu Chiga , Atsushi Yanai , Yoshinori Kida
- 优先权: JP2004-071213 20040312
- 主分类号: H01M10/05
- IPC分类号: H01M10/05 ; H01M4/587 ; H01M6/16 ; H01M10/0525 ; H01M10/0567 ; H01M10/0568 ; H01M10/0569 ; H01M10/40 ; H01M4/58
摘要:
Charge-discharge characteristics are improved in a non-aqueous electrolyte secondary battery including a positive electrode, a negative electrode, and a non-aqueous electrolyte containing a phosphoric ester compound as a solvent. In a non-aqueous electrolyte for secondary batteries containing a phosphoric ester compound, a lithium salt having an oxalato complex as an anion is contained as a solute. Preferably, the non-aqueous electrolyte contains lithium bis(oxalato)borate at a concentration of 0.01 to 0.2 mol/L with respect to the solvent, and more preferably, the non-aqueous electrolyte also contains vinylene carbonate.