公开(公告)号：US08173301B2

公开(公告)日：2012-05-08

申请号：US12265231

申请日：2008-11-05

申请人： Hidekazu Hiratsuka ,  Norihiro Yamamoto ,  Yutaka Kawatate ,  Hiroaki Furuta ,  Kensuke Nakura ,  Hiroshi Yoshizawa

发明人： Hidekazu Hiratsuka ,  Norihiro Yamamoto ,  Yutaka Kawatate ,  Hiroaki Furuta ,  Kensuke Nakura ,  Hiroshi Yoshizawa

IPC分类号： H01M4/525 ,  H01M4/13 ,  H01M4/505 ,  C01D15/00

CPC分类号： H01M4/505 ,  C01G53/50 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/51 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/366 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021 ,  Y02T10/7011

摘要： A positive electrode active material for a non-aqueous electrolyte secondary battery including a lithium-containing transition metal oxide having a closest-packed cubic structure of oxygen, the lithium-containing transition metal oxide having a composition represented by the formula (1): Li[Lip(NixMnyCoz)1-p]O2, where x, y, and z represent element contents of nickel, manganese, and cobalt, respectively, and satisfies 0.2+y≦x≦0.7, 0.15≦y, 0.05≦z, x+y+z=1, and 0≦p≦0.1.

摘要翻译： 1.一种非水电解质二次电池用正极活性物质，其特征在于，包括具有最密堆积立方结构的氧的含锂过渡金属氧化物，所述含锂过渡金属氧化物具有式（1）表示的组成：Li [Lip（NixMnyCoz）1-p] O 2，其中x，y和z分别表示镍，锰和钴的元素含量，满足0.2 + y＆nlE; x＆nlE; 0.7,0.15＆nlE; y，0.05＆ ，x + y + z = 1，0＆nlE; p＆nlE; 0.1。

公开(公告)号：US07939202B2

公开(公告)日：2011-05-10

申请号：US12364901

申请日：2009-02-03

申请人： Takahiro Sakamoto ,  Hidekazu Hiratsuka ,  Shinji Arimoto

发明人： Takahiro Sakamoto ,  Hidekazu Hiratsuka ,  Shinji Arimoto

IPC分类号： H01M4/58 ,  H01M4/00 ,  H01M4/50 ,  H01M4/02 ,  H01M4/16 ,  C01G49/00 ,  C01G45/12

CPC分类号： C01G53/50 ,  C01G45/1228 ,  C01G51/50 ,  C01G53/42 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2002/76 ,  C01P2004/51 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  H01M2004/021

摘要： A method for producing a lithium-containing transition metal oxide represented by the general formula: Li[Lix(NiaM1−a)1−x]O2 where M is metal other than Li and Ni, 0≦x, and 0

摘要翻译： 由Li [Lix（NiaM1-a）1-x] O 2表示的含锂过渡金属氧化物的制造方法，其中M是不同于Li和Ni的金属，0＆lt; 1E * x和0

公开(公告)号：US20070015054A1

公开(公告)日：2007-01-18

申请号：US11440160

申请日：2006-05-25

申请人： Jun Nunome ,  Yuji Mototani ,  Hidekazu Hiratsuka ,  Shigeru Hanaoka

发明人： Jun Nunome ,  Yuji Mototani ,  Hidekazu Hiratsuka ,  Shigeru Hanaoka

IPC分类号： H01M4/50

CPC分类号： H01M4/50 ,  H01M6/08

摘要： In an alkaline battery including a cathode mixture including gamma-manganese dioxide and lambda-manganese dioxide, an anode, and an alkaline electrolyte, the weight ratio of the lambda-manganese dioxide to the gamma-manganese dioxide is set to 0.5/100 to 4.5/100, and the average particle size of the lambda-manganese dioxide is set to 3 to 10 μm. An alkaline battery excellent in high-load discharge performance without decline in low-load discharge performance is provided.

摘要翻译： 在包括γ-二氧化锰和二氧化锰，阴极和碱性电解质的阴极混合物的碱性电池中，将λ-二氧化锰与γ-二氧化锰的重量比设定为0.5 / 100〜4.5 / 100，λ-二氧化锰的平均粒径设定为3〜10μm。 提供了一种具有优异的高负载放电性能而不降低低负载放电性能的碱性电池。

公开(公告)号：US09023530B2

公开(公告)日：2015-05-05

申请号：US11371286

申请日：2006-03-09

申请人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

发明人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

IPC分类号： H01M4/13 ,  H01M4/58 ,  H01M4/00 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M4/02

CPC分类号： H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

摘要： To improve high temperature storage characteristic of a non-aqueous electrolyte secondary battery suitable for high input/output application, the structure of a positive electrode active material is optimized. The non-aqueous electrolyte secondary battery includes a positive electrode; a negative electrode; a separator interposed between the positive and negative electrodes; and a non-aqueous electrolyte. The positive electrode active material includes secondary particles, each formed of an aggregate of primary particles. A value (VPr) defined by the formula: VPr=(1−C/D)/(A2×B3) is not less than 0.0005 and not greater than 0.04, where an average particle size of the primary particles is A μm, an average particle size of the positive electrode active material is B μm, a tap density of the positive electrode active material is C g/ml, and a true specific gravity of the positive electrode active material is D g/ml.

摘要翻译： 为了提高适用于高输入/输出应用的非水电解质二次电池的高温储存特性，优化了正极活性物质的结构。 非水电解质二次电池包括正极; 负极; 插入在正极和负极之间的隔膜; 和非水电解质。 正极活性物质包括由一次粒子的聚集体形成的二次粒子。 由VPr =（1-C / D）/（A2×B3）定义的值（VPr）不小于0.0005且不大于0.04，其中初级粒子的平均粒径为Aμm， 正极活性物质的平均粒径为Bμm，正极活性物质的振实密度为C g / ml，正极活性物质的真比例为D g / ml。

公开(公告)号：US20100112447A1

公开(公告)日：2010-05-06

申请号：US12270270

申请日：2008-11-13

申请人： Norihiro YAMAMOTO ,  Yutaka Kawatate ,  Hidekazu Hiratsuka ,  Takahiro Sakamoto

发明人： Norihiro YAMAMOTO ,  Yutaka Kawatate ,  Hidekazu Hiratsuka ,  Takahiro Sakamoto

IPC分类号： H01M4/52 ,  H01M4/50

CPC分类号： H01M4/525 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2006/10 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131

摘要： A positive electrode active material for a non-aqueous electrolyte secondary battery is provided. The positive electrode active material includes a composite oxide containing lithium and metal M other than lithium, and M contains Ni, Mn, and Co. The molar ratio of Ni to the total of Ni, Mn, and Co is from 0.45 to 0.65, and the molar ratio of Mn to the total of Ni, Mn, and Co is from 0.15 to 0.35. The positive electrode active material has a pressed density under a compression of 60 MPa of 3.3 g/cm3 or more and 4.3 g/cm3 or less. The positive electrode active material has a volume resistivity under a compression of 60 MPa of 100 Ω·cm or more and less than 1000 Ω·cm.

摘要翻译： 提供了一种非水电解质二次电池用正极活性物质。 正极活性物质包含含有锂的金属和除了锂以外的金属M的复合氧化物，M含有Ni，Mn，Co。Ni与Ni，Mn，Co的合计的摩尔比为0.45〜0.65， Mn与Ni，Mn和Co的总摩尔比为0.15〜0.35。 正极活性物质在60MPa的压缩下的压缩密度为3.3g / cm 3以上且4.3g / cm 3以下。 正极活性物质在60MPa的压缩下具有100Ω·cm·cm以上且小于1000Ω·cm·cm的体积电阻率。

公开(公告)号：US20090239150A1

公开(公告)日：2009-09-24

申请号：US12300618

申请日：2007-06-21

申请人： Yukihiro Okada ,  Masatoshi Nagayama ,  Shigeru Hanaoka ,  Hidekazu Hiratsuka ,  Takahiro Okuyama

发明人： Yukihiro Okada ,  Masatoshi Nagayama ,  Shigeru Hanaoka ,  Hidekazu Hiratsuka ,  Takahiro Okuyama

IPC分类号： H01M4/50 ,  H01M4/52

CPC分类号： H01M4/131 ,  C01G51/44 ,  C01G53/44 ,  C01P2002/52 ,  C01P2002/77 ,  C01P2004/03 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/021

摘要： A Ni-containing positive electrode active material for a nonaqueous electrolyte secondary battery is formed of secondary particles each constituted by aggregated primary particles. In cross sections of the secondary particles, a total cross-sectional area of part of the primary particles at least partially exposed at the surfaces of the secondary particles is at least 40% of a total cross-sectional area of the primary particles constituting the secondary particles.

摘要翻译： 含镍的非水电解质二次电池用正极活性物质由二次粒子形成，二次粒子由聚集的一次粒子构成。 在二次颗粒的横截面中，至少部分地暴露在二次颗粒表面的一次颗粒的部分的总横截面面积是构成二次颗粒的一次颗粒的总横截面积的至少40％ 粒子。

公开(公告)号：US20060204849A1

公开(公告)日：2006-09-14

申请号：US11371286

申请日：2006-03-09

申请人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

发明人： Takaya Saito ,  Yasutaka Kogetsu ,  Takashi Takeuchi ,  Hidekazu Hiratsuka

IPC分类号： H01M4/48 ,  H01M4/52 ,  H01M4/50

CPC分类号： H01M4/131 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/525 ,  H01M10/0525 ,  H01M10/0587 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122

摘要： To improve high temperature storage characteristic of a non-aqueous electrolyte secondary battery suitable for high input/output application, the structure of a positive electrode active material is optimized. The non-aqueous electrolyte secondary battery includes a positive electrode; a negative electrode; a separator interposed between the positive and negative electrodes; and a non-aqueous electrolyte. The positive electrode active material includes secondary particles, each formed of an aggregate of primary particles. A value (VPr) defined by the formula: VPr=(1−C/D)/(A2×B3) is not less than 0.0005 and not greater than 0.04, where an average particle size of the primary particles is A μm, an average particle size of the positive electrode active material is B μm, a tap density of the positive electrode active material is C g/ml, and a true specific gravity of the positive electrode active material is D g/ml.

摘要翻译： 为了提高适用于高输入/输出应用的非水电解质二次电池的高温储存特性，优化了正极活性物质的结构。 非水电解质二次电池包括正极; 负极; 插入在正极和负极之间的隔膜; 和非水电解质。 正极活性物质包括由一次粒子的聚集体形成的二次粒子。 由以下公式定义的值（V Pr Pr Pr> Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr Pr>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 3）不小于0.0005且不大于0.04，其中一次颗粒的平均粒径为A mum，正极活性物质的平均粒径为B mum，振实密度为正 电极活性物质为C g / ml，正极活性物质的真比重为D g / ml。

公开(公告)号：US08460822B2

公开(公告)日：2013-06-11

申请号：US12270270

申请日：2008-11-13

申请人： Norihiro Yamamoto ,  Yutaka Kawatate ,  Hidekazu Hiratsuka ,  Takahiro Sakamoto

发明人： Norihiro Yamamoto ,  Yutaka Kawatate ,  Hidekazu Hiratsuka ,  Takahiro Sakamoto

IPC分类号： H01M4/20 ,  H01M4/13 ,  H01M4/00

CPC分类号： H01M4/525 ,  C01G53/50 ,  C01P2002/52 ,  C01P2002/72 ,  C01P2006/10 ,  C01P2006/11 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131

摘要： A positive electrode active material for a non-aqueous electrolyte secondary battery is provided. The positive electrode active material includes a composite oxide containing lithium and metal M other than lithium, and M contains Ni, Mn, and Co. The molar ratio of Ni to the total of Ni, Mn, and Co is from 0.45 to 0.65, and the molar ratio of Mn to the total of Ni, Mn, and Co is from 0.15 to 0.35. The positive electrode active material has a pressed density under a compression of 60 MPa of 3.3 g/cm3 or more and 4.3 g/cm3 or less. The positive electrode active material has a volume resistivity under a compression of 60 MPa of 100 Ω·cm or more and less than 1000 Ω·cm.

摘要翻译： 提供了一种非水电解质二次电池用正极活性物质。 正极活性物质包含含有锂的金属和除了锂以外的金属M的复合氧化物，M含有Ni，Mn，Co。Ni与Ni，Mn，Co的合计的摩尔比为0.45〜0.65， Mn与Ni，Mn和Co的总摩尔比为0.15〜0.35。 正极活性物质在60MPa的压缩下的压缩密度为3.3g / cm 3以上且4.3g / cm 3以下。 正极活性物质在100MPa·cm以上且小于1000Ω·cm的60MPa的压缩下具有体积电阻率。

公开(公告)号：US20110250499A1

公开(公告)日：2011-10-13

申请号：US13129324

申请日：2010-03-31

申请人： Hidekazu Hiratsuka

发明人： Hidekazu Hiratsuka

IPC分类号： H01M4/525 ,  H01M4/04

CPC分类号： H01M10/0525 ,  H01M4/505 ,  H01M4/525

摘要： Disclosed is a positive electrode active material for a lithium ion secondary battery, including lithium composite oxide particles containing nickel, manganese and cobalt, the lithium composite oxide particles being a layered compound having a hexagonal crystal structure, and exhibiting a powder X-ray diffraction pattern obtained by using CuKα radiation at 25° C. in which a maximum peak within a range of 2θ=44° to 45° is present at 2θ=44.4° to 45°. Also disclosed is a lithium ion secondary battery including: a positive electrode including a positive electrode active material capable of absorbing and desorbing lithium ions; a negative electrode including a negative electrode active material capable of absorbing and desorbing lithium ions; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte, wherein the positive electrode active material is the above positive electrode active material for a lithium ion secondary battery.

摘要翻译： 公开了一种锂离子二次电池用正极活性物质，其包含含有镍，锰，钴的锂复合氧化物粒子，所述锂复合氧化物粒子为具有六方晶系结构的层状化合物，并具有粉末X射线衍射图 通过在25℃下使用CuKα辐射获得，其中在2θ= 44°至45°的范围内的最大峰值存在于2θ= 44.4°至45°。 还公开了一种锂离子二次电池，其包括：正极，其包括能够吸收和解吸锂离子的正极活性物质; 包括能够吸收和解吸锂离子的负极活性物质的负极; 夹在正极和负极之间的隔膜; 和非水电解质，其中所述正极活性物质是上述锂离子二次电池用正极活性物质。

公开(公告)号：US20100068624A1

公开(公告)日：2010-03-18

申请号：US12513641

申请日：2007-12-19

申请人： Hidekazu Hiratsuka ,  Shigeru Hanaoka

发明人： Hidekazu Hiratsuka ,  Shigeru Hanaoka

IPC分类号： H01M4/00 ,  H01M4/88

CPC分类号： H01M4/525 ,  C01G53/006 ,  C01G53/42 ,  C01G53/50 ,  C01P2002/52 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/11 ,  C01P2006/19 ,  C01P2006/40 ,  H01M4/48 ,  H01M4/52 ,  H01M10/052 ,  H01M10/0525 ,  Y02E60/122 ,  Y02P70/54

摘要： A positive electrode active material for a non-aqueous electrolyte secondary battery, including a lithium nickel composite oxide, is produced by baking a nickel hydroxide having a mean primary particle size of 1 to 5 μm and a DBP absorption amount of 10 to 30 mL/100 g and a lithium compound in an oxidizing atmosphere. This lithium nickel composite oxide is excellent in packing characteristics and power characteristics (particularly high-rate characteristics), and useful as a positive electrode active material of a non-aqueous electrolyte secondary battery.

摘要翻译： 包含锂镍复合氧化物的非水电解质二次电池用正极活性物质，是将平均一次粒径为1〜5μm，DBP吸附量为10〜30mL / 100g氧化气氛中的锂化合物。 该锂镍复合氧化物的包装特性和功率特性（特别是高速率特性）优异，可用作非水电解质二次电池的正极活性物质。