公开(公告)号：US20120028128A1

公开(公告)日：2012-02-02

申请号：US13257219

申请日：2010-03-18

申请人： Yoshikatsu Seino ,  Tadatoshi Murota ,  Tetsu Fujiwara

发明人： Yoshikatsu Seino ,  Tadatoshi Murota ,  Tetsu Fujiwara

IPC分类号： H01M10/056 ,  H01M10/0562

CPC分类号： H01M10/052 ,  C01G45/1228 ,  C01G45/1242 ,  C01G51/42 ,  C01G51/50 ,  C01G53/42 ,  C01G53/50 ,  C01G53/54 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0562 ,  Y02T10/7011

摘要： There is provided an all-solid lithium battery having excellent output characteristics. The battery has a cathode, an electrolyte layer, and an anode. The cathode contains a cathode active material represented by formula (1) and a sulfide solid electrolyte, and the electrolyte layer contains a sulfide solid electrolyte: LiaNibCocMndMeOf+σ  (1) (1.01≦a≦1.05; f: 2 or 4; σ: not less than −0.2 and not more than 0.2; M: Mg, Ca, Y, rare earth elements, etc.; provided that when f=2, 0≦b≦1, 0≦c≦1, 0≦d≦1, 0≦e≦0.5, and b+c+d+e=1; when f=4, 0≦b≦2, 0≦c≦2, 0≦d≦2, 0≦e≦1, and b+c+d+e=2).

摘要翻译： 提供了具有优异输出特性的全固态锂电池。 电池具有阴极，电解质层和阳极。 阴极含有由式（1）表示的阴极活性物质和硫化物固体电解质，电解质层含有硫化物固体电解质：LiaNibCocMndMeOf + （1）（1.01＆nlE; a＆nlE; 1.05; f：2或4;＆sgr;：不小于-0.2且不大于0.2; M：Mg，Ca，Y，稀土元素等; = 2，0＆nlE; b＆nlE; 1，0＆nlE; c＆nlE; 1,0和nlE; d＆nlE; 1,0和nlE; e＆nlE; 0.5和b + c + d + e = 1;当f = 4,0和nlE; b＆nlE; 2,0＆ ; c＆nlE; 2，0＆nlE; d＆nlE; 2，0＆nlE; e＆nlE; 1和b + c + d + e = 2）。

公开(公告)号：US08920687B2

公开(公告)日：2014-12-30

申请号：US12521251

申请日：2007-12-26

申请人： Tetsu Fujiwara ,  Masayuki Moritaka ,  Akihito Kaneko

发明人： Tetsu Fujiwara ,  Masayuki Moritaka ,  Akihito Kaneko

IPC分类号： H01M4/90 ,  H01B1/02 ,  H01M4/525 ,  H01M4/131 ,  H01M10/052 ,  H01M4/02

CPC分类号： H01M4/525 ,  H01M4/131 ,  H01M10/052 ,  H01M2004/021 ,  Y02E60/122

摘要： Provided is a cathode active material for nonaqueous electrolyte rechargeable batteries which allows production of batteries having improved load characteristics with stable quality, and also allows production of batteries having high capacity. Also provided are a cathode for nonaqueous electrolyte rechargeable batteries and a nonaqueous electrolyte rechargeable battery. The cathode active material includes secondary particles each composed of a plurality of primary particles, and/or single crystal grains, and has a specific surface area of not smaller than 20 m2/g and smaller than 0.50 m2/g, wherein average number A represented by formula (1) is not less than 1 and not more than 10: A=(m+p)/(m+s) (m: the number of single crystal grains; p: the number of primary particles composing the secondary particles; s: the number of secondary particles).

摘要翻译： 提供一种用于非水电解质可再充电电池的阴极活性材料，其允许以稳定的质量生产具有改进的负载特性的电池，并且还允许生产具有高容量的电池。 还提供了一种用于非水电解质可再充电电池的阴极和非水电解质可再充电电池。 正极活性物质包括各自由多个一次粒子和/或单晶粒构成的二次粒子，其比表面积为20m 2 / g以上且小于0.50m 2 / g，其中，平均数A表示为 通过式（1）不小于1且不大于10：A =（m + p）/（m + s）（m：单晶粒数; p：构成二次粒子的一次粒子数 ; s：二次粒子数）。

公开(公告)号：US20100219370A1

公开(公告)日：2010-09-02

申请号：US11997480

申请日：2006-08-01

申请人： Kazuhiko Nakamura ,  Tetsu Fujiwara ,  Akihito Kaneko

发明人： Kazuhiko Nakamura ,  Tetsu Fujiwara ,  Akihito Kaneko

IPC分类号： H01M4/86

CPC分类号： H01M4/131 ,  B82Y30/00 ,  C01G45/006 ,  C01G49/009 ,  C01G51/04 ,  C01G51/42 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/60 ,  C01P2002/72 ,  C01P2002/77 ,  C01P2002/88 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/50 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2006/32 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/525 ,  H01M4/58 ,  H01M10/0525 ,  H01M2004/028 ,  Y02E60/122 ,  Y02T10/7011

摘要： The present invention provides a nonaqueous electrolyte battery that exhibits high energy density and excellent cycle characteristics, as well as a cathode for use in such a battery, and a cathode active material for use in such a cathode. The cathode active material of the present invention has a composition represented by the formula (1) and a crystallite size in the (110) plane of not smaller than 85 nm: LixCo1-y-zNbyMzO2  (1) wherein M stands for at least one element selected from Mg, Y, rare earth elements, Ti, Zr, Hf, V, Ta, Cr, Mo, W, Mn, Fe, Ni, Cu, Zn, B, Al, Ga, C, Si, Sn, N, S, F, and Cl; and 0.9≦x≦1.1, 0.0002≦y≦0.01, and 0≦z≦0.05.

摘要翻译： 本发明提供一种表现出高能量密度和优异的循环特性的非水电解质电池，以及用于这种电池的阴极和用于这种阴极的正极活性物质。 本发明的正极活性物质具有式（1）所示的组成，（110）面中的微晶尺寸不小于85nm：LixCo1-y-zNbyMzO2（1）其中M表示至少一个 选自Mg，Y，稀土元素，Ti，Zr，Hf，V，Ta，Cr，Mo，W，Mn，Fe，Ni，Cu，Zn，B，Al，Ga，C，Si，Sn，N ，S，F和Cl; 和0.9＆nlE; x＆nlE; 1.1,0.0002＆amp; nlE; y＆nlE; 0.01,0和nlE; z＆nlE; 0.05。

公开(公告)号：US20100019194A1

公开(公告)日：2010-01-28

申请号：US12521251

申请日：2007-12-26

申请人： Tetsu Fujiwara ,  Masayuki Moritaka ,  Akihito Kaneko

发明人： Tetsu Fujiwara ,  Masayuki Moritaka ,  Akihito Kaneko

IPC分类号： H01M4/90

CPC分类号： H01M4/525 ,  H01M4/131 ,  H01M10/052 ,  H01M2004/021 ,  Y02E60/122

摘要： Provided is a cathode active material for nonaqueous electrolyte rechargeable batteries which allows production of batteries having improved load characteristics with stable quality, and also allows production of batteries having high capacity. Also provided are a cathode for nonaqueous electrolyte rechargeable batteries and a nonaqueous electrolyte rechargeable battery. The cathode active material includes secondary particles each composed of a plurality of primary particles, and/or single crystal grains, and has a specific surface area of not smaller than 20 m2/g and smaller than 0.50 m2/g, wherein average number A represented by formula (1) is not less than 1 and not more than 10: A=(m+p)/(m+s) (m: the number of single crystal grains; p: the number of primary particles composing the secondary particles; s: the number of secondary particles).

摘要翻译： 提供一种用于非水电解质可再充电电池的阴极活性材料，其允许以稳定的质量生产具有改进的负载特性的电池，并且还允许生产具有高容量的电池。 还提供了一种用于非水电解质可再充电电池的阴极和非水电解质可再充电电池。 正极活性物质包括各自由多个一次粒子和/或单晶粒构成的二次粒子，其比表面积为20m 2 / g以上且小于0.50m 2 / g，其中，平均数A表示为 通过式（1）不小于1且不大于10：A =（m + p）/（m + s）（m：单晶粒数; p：构成二次粒子的一次粒子数 ; s：二次粒子数）。