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    • 1. 发明授权
    • Nonaqueous electrolyte secondary battery
    • 非水电解质二次电池
    • US08920976B2
    • 2014-12-30
    • US13450155
    • 2012-04-18
    • Natsumi GotoTakashi TakeuchiMasaki Hasegawa
    • Natsumi GotoTakashi TakeuchiMasaki Hasegawa
    • H01M4/13H01M4/58
    • H01M4/485H01M4/131H01M4/505H01M4/525H01M10/0525H01M2004/027H01M2010/4292Y02T10/7011
    • A nonaqueous electrolyte secondary battery disclosed in the present application includes: a positive electrode capable of absorbing and releasing lithium, containing a positive electrode active material composed of a lithium-containing transition metal oxide having a layered crystalline structure; and a negative electrode capable of absorbing and releasing lithium, containing a negative electrode active material composed of a lithium-containing transition metal oxide obtained by substituting some of Ti element of a lithium-containing titanium oxide having a spinel crystalline structure with one or more element different from Ti, wherein a retention of the negative electrode is set to be greater than a retention of the positive electrode, and an irreversible capacity rate of the negative electrode is set to be greater than an irreversible capacity rate of the positive electrode, whereby a discharge ends by negative electrode limitation.
    • 本申请中公开的非水电解质二次电池包括:能够吸收和释放锂的正极,其含有由具有层状结晶结构的含锂过渡金属氧化物构成的正极活性物质; 以及能够吸收和释放锂的负极,其含有由含有锂的过渡金属氧化物构成的负极活性物质,所述负极活性物质通过用一种或多种元素代替具有尖晶石结晶结构的含锂氧化钛的Ti元素 与Ti不同,其中将负极的保持力设定为大于正极的保持量,将负极的不可逆容量率设定为大于正极的不可逆容量率,由此, 放电末端由负极限制。
    • 4. 发明申请
    • NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
    • 非电解电解质二次电池
    • US20120270105A1
    • 2012-10-25
    • US13450155
    • 2012-04-18
    • Natsumi GotoTakashi TakeuchiMasaki Hasegawa
    • Natsumi GotoTakashi TakeuchiMasaki Hasegawa
    • H01M4/485H01M4/54H01M4/505H01M4/525
    • H01M4/485H01M4/131H01M4/505H01M4/525H01M10/0525H01M2004/027H01M2010/4292Y02T10/7011
    • A nonaqueous electrolyte secondary battery disclosed in the present application includes: a positive electrode capable of absorbing and releasing lithium, containing a positive electrode active material composed of a lithium-containing transition metal oxide having a layered crystalline structure; and a negative electrode capable of absorbing and releasing lithium, containing a negative electrode active material composed of a lithium-containing transition metal oxide obtained by substituting some of Ti element of a lithium-containing titanium oxide having a spinel crystalline structure with one or more element different from Ti, wherein a retention of the negative electrode is set to be greater than a retention of the positive electrode, and an irreversible capacity rate of the negative electrode is set to be greater than an irreversible capacity rate of the positive electrode, whereby a discharge ends by negative electrode limitation.
    • 本申请中公开的非水电解质二次电池包括:能够吸收和释放锂的正极,其含有由具有层状结晶结构的含锂过渡金属氧化物构成的正极活性物质; 以及能够吸收和释放锂的负极,其含有由含有锂的过渡金属氧化物构成的负极活性物质,所述负极活性物质通过用一种或多种元素代替具有尖晶石结晶结构的含锂氧化钛的Ti元素 与Ti不同,其中将负极的保持力设定为大于正极的保持量,将负极的不可逆容量率设定为大于正极的不可逆容量率,由此, 放电末端由负极限制。