公开(公告)号：EP2128915B1

公开(公告)日：2016-05-18

申请号：EP08720340.2

申请日：2008-03-05

申请人： Toda Kogyo Corporation

发明人： KIKUYA, Kazuhiko ,  SASAKI, Osamu ,  SANTOKI, Teruaki ,  YAMAMOTO, Hiroshi

IPC分类号： H01M4/52 ,  H01M4/36 ,  H01M4/50 ,  C01G45/12 ,  C01G51/00 ,  C01G53/00 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

CPC分类号： C01G53/50 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/85 ,  C01P2002/88 ,  C01P2004/62 ,  C01P2004/82 ,  C01P2006/37 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

公开(公告)号：EP2476647A1

公开(公告)日：2012-07-18

申请号：EP10815381.8

申请日：2010-09-08

申请人： Toda Kogyo Corporation

发明人： HONDA, Shingo ,  NISHIO, Takahisa ,  MISHIMA, Yuji ,  YAMAMOTO, Hiroshi

IPC分类号： C01B25/45 ,  C01B25/37 ,  H01M4/58

CPC分类号： H01M4/5825 ,  C01B25/375 ,  C01B25/45 ,  C01P2004/61 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/80 ,  H01M10/052 ,  Y10T428/2982

摘要： The present invention relates to ferric phosphate hydrate particles for use as a precursor of olivine type lithium iron phosphate particles, wherein the ferric phosphate hydrate particles exhibit at least one crystal structure selected from the group consisting of a strengite crystal structure and a meta-strengite (phosphosiderite) crystal structure, and have a sodium (Na) content of not more than 100 ppm and a molar ratio of phosphorus to iron (phosphorus/iron) of not less than 0.9 and not more than 1.1. The ferric phosphate hydrate particles according to the present invention are suitable as a precursor of olivine type lithium iron phosphate particles for a positive electrode substance of non-aqueous electrolyte secondary batteries, and are in the form of fine particles and have a very small content of impurities.

摘要翻译： 本发明涉及磷酸铁水合物颗粒用作橄榄石型磷酸铁锂颗粒粉末的前体，worin的磷酸铁水合物颗粒具有选自一个铁矿晶体结构和一元铁矿（选择的至少一种晶体结构 磷铁矿）的结晶结构，并且具有不大于100 ppm的钠（Na）的含量和磷以不低于0.9铁（磷/铁）的摩尔比并且不大于1.1。 磷酸铁水合物颗粒雅丁到本发明中适合作为橄榄石型磷酸铁锂颗粒粉末的用于非水电解质二次电池的正极物质的前体，并且在细小颗粒的形式，并且具有非常小的内容 杂质。

公开(公告)号：EP2128915A1

公开(公告)日：2009-12-02

申请号：EP08720340.2

申请日：2008-03-05

申请人： Toda Kogyo Corporation

发明人： KIKUYA, Kazuhiko ,  SASAKI, Osamu ,  SANTOKI, Teruaki ,  YAMAMOTO, Hiroshi

IPC分类号： H01M4/52 ,  H01M4/36 ,  H01M4/50

CPC分类号： C01G53/50 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/85 ,  C01P2002/88 ,  C01P2004/62 ,  C01P2004/82 ,  C01P2006/37 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052

摘要： The present invention relates to Li-Ni composite oxide particles for a non-aqueous electrolyte secondary battery which have a large charge/discharge capacity and are excellent in thermal stability under a charged condition. The above object can be achieved by the Li-Ni composite oxide particles for a non-aqueous electrolyte secondary battery, comprising a Li-Ni composite oxide whose secondary particles form core particles thereof and have a composition represented by the formula: Li x1 Ni 1-y1-z1-w1 Co y1 Mn z1 M w1 O 2 (in which 0.9 ≤ x1 ≤ 1.3; 0.1 ≤ y1 ≤ 0.3; 0.0 ≤ z1 ≤ 0.3; 0 ≤ w1 s 0.1; and M is at least one metal selected from the group consisting of Al and Fe), wherein a Li-Ni composite oxide having a composition represented by the formula: Li x2 Ni 1-y2-z2-w2 Co y2 Mn z2 M w2 O 2 (in which 0.9 ≤ x2 ≤ 1 + z2; 0 ≤ y2 ≤ 0.33; 0 ≤ z2 ≤ 0.5; 0 ≤ w2 ≤ 0.1; and M is at least one metal selected from the group consisting of Al, Fe, Mg, Zr and Ti, is coated or present on a surface of the respective secondary particles.

公开(公告)号：EP2104163B1

公开(公告)日：2014-06-04

申请号：EP07849798.9

申请日：2007-12-06

申请人： Toda Kogyo Corporation

发明人： YAMAMOTO, Hiroshi ,  KIKUYA, Kazuhiko ,  SASAKI, Osamu ,  SANTOKI, Teruaki

IPC分类号： H01M4/525 ,  C01G51/00 ,  C01G53/00 ,  H01M4/131 ,  H01M4/02 ,  H01M10/052 ,  H01M10/44

CPC分类号： H01M4/525 ,  C01G51/42 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/88 ,  C01P2004/61 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M10/052 ,  H01M10/446 ,  H01M2004/021

公开(公告)号：EP2612840A1

公开(公告)日：2013-07-10

申请号：EP11821713.2

申请日：2011-08-29

申请人： Toda Kogyo Corporation

发明人： YAMAMOTO, Akinori ,  OKITA, Tomoko ,  YAMAMOTO, Hiroshi ,  MORI, Kohji ,  KOGA, Kazumichi ,  KAJIYAMA, Akihisa

IPC分类号： C01G23/00 ,  H01M4/36 ,  H01M4/485

CPC分类号： H01M4/485 ,  C01G23/005 ,  C01G23/006 ,  C01P2002/32 ,  C01P2002/60 ,  C01P2002/70 ,  C01P2002/72 ,  C01P2002/76 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/80 ,  C01P2006/12 ,  C01P2006/40 ,  H01B1/08 ,  H01M10/0525 ,  H01M2004/027 ,  Y02E60/122 ,  Y02P70/54

摘要： According to the present invention, there are provided lithium titanate particles which exhibit an excellent initial discharge capacity and an enhanced high-efficiency discharge capacity retention rate as an active substance for non-aqueous electrolyte secondary batteries and a process for producing the lithium titanate particles, and Mg-containing lithium titanate particles. The present invention relates to lithium titanate particles with a spinel structure comprising TiO 2 in an amount of not more than 1.5%, Li 2 TiO 3 in an amount of not less than 1% and not more than 6%, and Li 4 Ti 5 O 12 in an amount of not less than 94% and not more than 99% as determined according to Rietveld analysis when indexed with Fd-3m by XRD, and having a specific surface area of 7 to 15 m 2 /g as measured by BET method, a process for producing lithium titanate particles comprising the steps of adding and mixing a water-soluble lithium solution into a water suspension of an oxide of titanium having a BET specific surface area of 40 to 400 m 2 /g and a primary particle diameter of 5 to 50 nm and subjecting the resulting mixed suspension to aging reaction at a temperature of 50 to 100°C; subjecting the resulting reaction product to filtration, drying and pulverization; and subjecting the obtained dry particles to heat-calcination treatment at a temperature of 550 to 800°C, and Mg-containing lithium titanate particles having a composition represented by the formula: Li x Mg y Ti z O 4 wherein x, z > 0; 0.01 ≤ y ≤ 0.20; 0.01 ≤ y/z ≤ 0.10; and 0.5 ≤ (x + y)/z ≤ 1.0, the Mg-containing lithium titanate particles having a BET specific surface area of 5 to 50 m 2 /g, a spinel single phase as a crystal structure, and a lattice constant (a) represented by a value of 0.050y + 8.3595

摘要翻译： 。根据本发明，提供了表现出优异的初始放电容量和增强的高效率放电容量维持率作为用于非水电解质二次电池的活性物质及其制造钛酸锂颗粒的方法钛酸锂颗粒粉末， 和含Mg的钛酸锂的颗粒。 本发明涉及一种钛酸锂颗粒粉末具有尖晶石结构的在不超过1.5％的量的在含有TiO 2的，李2的TiO 3在不低于1％的量的和不超过6％，和Li 4的Ti 5 测得通过BET在不小于94％的量，并且不大于99％作为测定雅丁到Rietveld分析当通过XRD利用Fd-3m的索引，和具有7〜15米2 /克的比表面积O 12 方法，用于生产包括加入并混合水溶性锂溶液加入到钛的氧化物的水悬浮液具有40至400m 2 / g的BET比表面积和一次粒径的步骤钛酸锂颗粒的方法 的5至50纳米，在50〜100℃的温度下将所得到的混合悬浮液老化反应; 使所得反应产物过滤，干燥，粉碎; 以及使所得到的干燥颗粒进行加热烧制处理在550〜800℃的温度，并含Mg具有由下式表示的组合物的钛酸锂的颗粒：的Li x Mg的ý钛ŽO 4 worin X，Z> 0 ; 00:01‰¤ý‰¤0:20; 12:01‰¤Y / Z‰¤12:10; 和0.5‰¤（X + Y）/ Z‰¤1.0，具有5的BET比表面积至50米2 /克，尖晶石单相作为结晶结构，其晶格常数的含Mg钛酸锂颗粒粉末 （a）在0.050y + 8.3595

公开(公告)号：EP2104163A1

公开(公告)日：2009-09-23

申请号：EP07849798.9

申请日：2007-12-06

申请人： Toda Kogyo Corporation

发明人： YAMAMOTO, Hiroshi ,  KIKUYA, Kazuhiko ,  SASAKI, Osamu ,  SANTOKI, Teruaki

IPC分类号： H01M4/52

CPC分类号： H01M4/525 ,  C01G51/42 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/88 ,  C01P2004/61 ,  C01P2006/10 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M10/052 ,  H01M10/446 ,  H01M2004/021

摘要： The present invention relates to Li-Ni composite oxide particles for a non-aqueous electrolyte secondary cell which have a large charge/discharge capacity, an excellent packing density and excellent storage performance. The Li-Ni composite oxide particles for a non-aqueous electrolyte secondary cell which have a composition represented by the formula:

        Li x Ni 1-y-z Co y Al z O 2

in which 0.9 2 thereto, and a sulfate ion content of not more than 1.0%, can be produced by mixing Ni-Co hydroxide particles having a sulfate ion content of not more than 1.0% whose surface is coated with an Al compound having a primary particle diameter of not more than 1 µm, with a lithium compound; and calcining the resulting mixture.