公开(公告)号：US20120003542A1

公开(公告)日：2012-01-05

申请号：US13171837

申请日：2011-06-29

申请人： Hiroaki KONISHI ,  Toyotaka Yuasa ,  Masanori Yoshikawa

发明人： Hiroaki KONISHI ,  Toyotaka Yuasa ,  Masanori Yoshikawa

IPC分类号： H01M4/52 ,  H01M2/14 ,  H01M4/525 ,  H01M4/50

CPC分类号： H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  Y02E60/122 ,  Y02T10/7011

摘要： A high safety cathode active material having large capacity, suppressing deterioration in storage at high temperature, and ensuring thermal stability in a charged state is provided. A cathode active material represented by a composition formula of LixNiaMnbCocM1dM2eO2 where M1 is at least one or more kinds of elements selected from the group consisting of Al, Ti, and Mg; M2 is at least one or more kinds of elements selected from the group consisting of Mo, W, and Nb; 0.2≦x≦1.2; 0.6≦a≦0.8; 0.05≦b≦0.3; 0.05≦c≦0.3; 0.02≦d≦0.04; 0.02≦e≦0.06; and a+b+c+d+e=1.0 is used.

摘要翻译： 提供了一种具有大容量的高安全性的正极活性物质，能够抑制高温储存的劣化，并且能够确保充电状态下的热稳定性。 一种由组合式LixNiaMnbCocM1dM2eO2表示的正极活性物质，其中M1是选自Al，Ti和Mg中的至少一种或多种元素; M2是选自Mo，W和Nb中的至少一种以上的元素; 0.2＆nlE; x＆nlE; 1.2; 0.6＆nlE; a＆nlE; 0.8; 0.05＆nlE; b＆nlE; 0.3; 0.05＆nlE; c＆nlE; 0.3; 0.02＆nlE; d＆nlE; 0.04; 0.02＆nlE; e＆nlE; 0.06; 并且使用a + b + c + d + e = 1.0。

公开(公告)号：US08709656B2

公开(公告)日：2014-04-29

申请号：US12805829

申请日：2010-08-20

申请人： Hiroaki Konishi ,  Toyotaka Yuasa

发明人： Hiroaki Konishi ,  Toyotaka Yuasa

IPC分类号： H01M4/50 ,  H01M4/505 ,  H01M4/52 ,  H01M4/525

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

摘要： A lithium ion secondary battery according to the present invention uses a cathode material obtained by mixing a first cathode active substance represented by a compositional formula: Lix1Nia1Mnb1COc1O2 (in which 0.2≦x1≦1.2, 0.6≦a1≦0.9, 0.05≦b1≦0.3, 0.05≦c1≦0.3, and a1+b1+c1=1.0); and a second cathode active substance represented by a compositional formula: Lix2Nia2Mnb2COc2MdO2 (in which 0.2≦x2≦1.2, 0.7≦a2≦0.9, 0.05≦b2≦0.3, 0.05≦c2≦0.3, M=Mo, W, 0≦d≦0.06, and a2+b2+c2+d=1.0).

摘要翻译： 根据本发明的锂离子二次电池使用通过将由组成式：Lix1Nia1Mnb1COc1O2（其中0.2和n1E; x1和n1E; 1.2,0.6和n1E; a1和n1E; 0.9,0.05和n1E; b1和n1E）组成的第一正极活性物质 ; 0.3,0.05＆nlE; c1＆nlE; 0.3和a1 + b1 + c1 = 1.0）; 和组成式：Lix2Nia2Mnb2COc2MdO2（其中0.2和nlE; x2和nlE; 1.2,0.7和nlE; a2和nlE; 0.9,0.05＆amp; nlE; b2＆nlE; 0.3,0.05＆amp; nlE; c2和nlE; 0.3，M = Mo， 0＆nlE; d＆nlE; 0.06和a2 + b2 + c2 + d = 1.0）。

公开(公告)号：US20110129734A1

公开(公告)日：2011-06-02

申请号：US12805829

申请日：2010-08-20

申请人： Hiroaki Konishi ,  Toyotaka Yuasa

发明人： Hiroaki Konishi ,  Toyotaka Yuasa

IPC分类号： H01M4/52 ,  H01M4/90

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

摘要： A lithium ion secondary battery according to the present invention uses a cathode material obtained by mixing a first cathode active substance represented by a compositional formula: Lix1Nia1Mnb1COc1O2 (in which 0.2≦x1≦1.2, 0.6≦a1≦0.9, 0.05≦b1≦0.3, 0.05≦c1≦0.3, and a1+b1+c1=1.0); and a second cathode active substance represented by a compositional formula: Lix2Nia2Mnb2COc2MdO2 (in which 0.2≦x2≦1.2, 0.7≦a2≦0.9, 0.05≦b2≦0.3, 0.05≦c2≦0.3, M=Mo, W, 0≦d≦0.06, and a2+b2+c2+d=1.0).

摘要翻译： 根据本发明的锂离子二次电池使用通过将由组成式：Lix1Nia1Mnb1COc1O2（其中0.2和n1E; x1和n1E; 1.2,0.6和n1E; a1和n1E; 0.9,0.05和n1E; b1和n1E）组成的第一正极活性物质 ; 0.3,0.05＆nlE; c1＆nlE; 0.3和a1 + b1 + c1 = 1.0）; 和组成式：Lix2Nia2Mnb2COc2MdO2（其中0.2和nlE; x2和nlE; 1.2,0.7和nlE; a2和nlE; 0.9,0.05＆amp; nlE; b2＆nlE; 0.3,0.05＆amp; nlE; c2和nlE; 0.3，M = Mo， 0＆nlE; d＆nlE; 0.06和a2 + b2 + c2 + d = 1.0）。

公开(公告)号：US08900753B2

公开(公告)日：2014-12-02

申请号：US12542991

申请日：2009-08-18

申请人： Hiroaki Konishi ,  Toyotaka Yuasa ,  Mitsuru Kobayashi

发明人： Hiroaki Konishi ,  Toyotaka Yuasa ,  Mitsuru Kobayashi

IPC分类号： H01M4/13 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/505 ,  H01M4/525 ,  H01M4/1391 ,  H01M4/62

CPC分类号： H01M10/0525 ,  H01M4/1391 ,  H01M4/364 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/625 ,  Y02E60/122

摘要： A cathode material with excellent capacity and output characteristics and safety, and a lithium ion secondary battery using the same is provided. The invention relates to a cathode material which includes a mixture of a cathode active material having a large primary particle size with excellent capacity characteristics and represented by the composition formula: Lix1Nia1Mnb1Coc1O2, where 0.2≦x1≦1.2, 0.6≦a1, 0.05≦b1≦0.3, 0.05≦c1≦0.3, and another cathode active material having a small primary particle size with excellent output characteristics and represented by the composition formula: Lix2Nia2Mnb2Coc2O2, where 0.2≦x2≦1.2, a2≦0.5, 0.05≦b2≦0.5, 0.05≦c2≦0.5. The invention also relates to a lithium ion secondary battery using the cathode material.

摘要翻译： 提供具有优异的容量和输出特性和安全性的阴极材料和使用其的锂离子二次电池。 本发明涉及一种阴极材料，其包括具有优异的容量特性的一次粒径大的正极活性物质的混合物，其组成式为：Lix1Nia1Mnb1Coc1O2，其中0.2＆nlE; x1＆nlE; 1.2,0.6＆amp; N1; a1,0.05＆nlE ; b1和nlE; 0.3,0.05＆nlE; c1＆nlE; 0.3和另一种具有优异输出特性的初级粒子小的正极活性材料，并由组成式表示：Lix2Nia2Mnb2Coc2O2，其中0.2＆nlE; x2＆nlE; 1.2，a2＆nlE; 0.5,0.05＆ ; b2＆nlE; 0.5,0.05＆nlE; c2＆nlE; 0.5。 本发明还涉及使用阴极材料的锂离子二次电池。

公开(公告)号：US08758941B2

公开(公告)日：2014-06-24

申请号：US12696803

申请日：2010-01-29

申请人： Hiroaki Konishi ,  Toyotaka Yuasa

发明人： Hiroaki Konishi ,  Toyotaka Yuasa

IPC分类号： H01M4/13 ,  H01M4/525 ,  H01M4/131 ,  H01M4/36 ,  H01M4/52 ,  H01M10/052 ,  H01M4/02

CPC分类号： H01M4/52 ,  H01M4/131 ,  H01M4/364 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/027 ,  H01M2004/028 ,  Y02T10/7011

摘要： This invention provides a positive electrode material having high capacity and safety, and a lithium ion secondary battery using the positive electrode material, the lithium ion secondary battery using a positive electrode active substance comprising a first transition metal oxide represented by the compositional formula: Lix1Nia1Mnb1Coc1Md1O2; a second transition metal oxide represented by the compositional formula: Lix2Nia2Mnb2Coc2Md2O2; and a third transition metal oxide represented by the compositional formula: Lix3Nia3Mnb3Coc3Md3O2; in which a3

摘要翻译： 本发明提供一种具有高容量和安全性的正极材料和使用该正极材料的锂离子二次电池，该锂离子二次电池使用包含由组成式：Lix1Nia1Mnb1Coc1Md1O2表示的第一过渡金属氧化物的正极活性物质; 由组成式：Lix2Nia2Mnb2Coc2Md2O2表示的第二过渡金属氧化物; 和由组成式：Lix3Nia3Mnb3Coc3Md3O2表示的第三过渡金属氧化物; 其中a3

公开(公告)号：US08263269B2

公开(公告)日：2012-09-11

申请号：US12849036

申请日：2010-08-03

申请人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

发明人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

IPC分类号： H01M6/16

CPC分类号： H01M10/0569 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0025 ,  H01M2300/004 ,  H01M2300/0042 ,  Y02T10/7011

摘要： The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

摘要翻译： 本发明提供一种提高安全性的锂二次电池，其主要来自使用在室温（20℃）下不易燃的电解质溶液，而在低温和室温下的输出特性不变或输出维持特性 在高温（50°C）储存后。 本发明的锂二次电池被封装在容器中，设有阴极和阳极，两者都能够存储/释放锂离子，将这些电极彼此分离的隔膜，以及含有环状碳酸酯的电解液 和作为溶剂的线性碳酸酯和组合比分别为18.0〜30.0％，74.0〜81.9％和0.1〜1.0％的化合物，以全部溶剂为基准，均为体积百分数。

公开(公告)号：US07862933B2

公开(公告)日：2011-01-04

申请号：US12019858

申请日：2008-01-25

申请人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

发明人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

IPC分类号： H01M6/16

CPC分类号： H01M10/0569 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0025 ,  H01M2300/004 ,  H01M2300/0042 ,  Y02T10/7011

摘要： The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

摘要翻译： 本发明提供一种提高安全性的锂二次电池，其主要来自使用在室温（20℃）下不易燃的电解质溶液，而在低温和室温下的输出特性不变或输出维持特性 在高温（50°C）储存后。 本发明的锂二次电池被封装在容器中，设有阴极和阳极，两者都能够存储/释放锂离子，将这些电极彼此分离的隔膜，以及含有环状碳酸酯的电解液 和作为溶剂的线性碳酸酯和组合比分别为18.0〜30.0％，74.0〜81.9％和0.1〜1.0％的化合物，以全部溶剂为基准，均为体积百分数。

公开(公告)号：US20100297509A1

公开(公告)日：2010-11-25

申请号：US12849036

申请日：2010-08-03

申请人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

发明人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

IPC分类号： H01M6/16

CPC分类号： H01M10/0569 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0025 ,  H01M2300/004 ,  H01M2300/0042 ,  Y02T10/7011

摘要： The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

摘要翻译： 本发明提供一种提高安全性的锂二次电池，其主要来自使用在室温（20℃）下不易燃的电解质溶液，而在低温和室温下的输出特性不变或输出维持特性 在高温（50°C）储存后。 本发明的锂二次电池被封装在容器中，设有阴极和阳极，两者都能够存储/释放锂离子，将这些电极彼此分离的隔膜，以及含有环状碳酸酯的电解液 和作为溶剂的线性碳酸酯和组合比分别为18.0〜30.0％，74.0〜81.9％和0.1〜1.0％的化合物，以全部溶剂为基准，均为体积百分数。

公开(公告)号：US20080241701A1

公开(公告)日：2008-10-02

申请号：US12019858

申请日：2008-01-25

申请人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

发明人： Takefumi Okumura ,  Takahiro Yamaki ,  Masanori Yoshikawa ,  Yoshimi Yanai ,  Toyotaka Yuasa

IPC分类号： H01M6/16

CPC分类号： H01M10/0569 ,  H01M4/131 ,  H01M4/133 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0025 ,  H01M2300/004 ,  H01M2300/0042 ,  Y02T10/7011

摘要： The present invention provides a lithium secondary battery which has improved safety, mainly coming from use of an electrolyte solution which is not inflammable at room temperature (20° C.), while not deteriorating output characteristics at low temperatures and room temperature or output maintenance characteristics after storage at high temperature (50° C.). The lithium secondary battery of the present invention, encased in a container, is provided with a cathode and an anode, both capable of storing/releasing lithium ions, a separator which separates these electrodes from each other, and an electrolyte solution containing a cyclic carbonate and a linear carbonate as solvents and a compound such as VC at composition ratios of 18.0 to 30.0%, 74.0 to 81.9% and 0.1 to 1.0%, respectively, based on the whole solvents, all percentages by volume.

摘要翻译： 本发明提供一种提高安全性的锂二次电池，其主要来自使用在室温（20℃）下不易燃的电解质溶液，而在低温和室温下的输出特性不变或输出维持特性 在高温（50°C）储存后。 本发明的锂二次电池被封装在容器中，设有阴极和阳极，两者都能够存储/释放锂离子，将这些电极彼此分离的隔膜，以及含有环状碳酸酯的电解液 和作为溶剂的线性碳酸酯和组合比分别为18.0〜30.0％，74.0〜81.9％和0.1〜1.0％的化合物，以全部溶剂为基准，均为体积百分数。

公开(公告)号：US20100297503A1

公开(公告)日：2010-11-25

申请号：US12783746

申请日：2010-05-20

申请人： Kan Kitagawa ,  Atsushi Ueda ,  Toyotaka Yuasa ,  Tatsuya Toyama

发明人： Kan Kitagawa ,  Atsushi Ueda ,  Toyotaka Yuasa ,  Tatsuya Toyama

IPC分类号： H01M4/58

CPC分类号： H01M4/5825 ,  H01M4/136 ,  H01M4/621 ,  H01M10/0525

摘要： A positive electrode for lithium secondary batteries and a lithium secondary battery are provided in which, by using an olivine Mn based positive-electrode active material and an optimal binder for the olivine Mn based positive-electrode active material, peel-off of the electrode and gelatinization of the slurry can be prevented, with large energy density, excellent in rate characteristic and cycle life. The positive electrode includes a positive-electrode composite including at least a positive-electrode active material and a binder; and a positive-electrode current collector. The positive-electrode active material includes a lithium composite oxide having an olivine-type structure, which is represented by the formula LiMnxM1−xPO4 (where 0.3≦x≦1 and M is one or more elements selected from the group consisting of Li, Fe, Ni, Co, Ti, Cu, Zn, Mg, and Zr) . The binder includes an acrylonitrile-based copolymer.

摘要翻译： 提供了一种锂二次电池用正极和锂二次电池，其中，通过使用橄榄石Mn系正极活性物质和橄榄石Mn系正极活性物质的最佳粘合剂，电极剥离和 可以防止浆料糊化，能量密度大，速率特性和循环寿命优异。 正极包括至少包含正极活性物质和粘合剂的正极复合体; 和正极集电体。 正极活性物质包括具有橄榄石型结构的锂复合氧化物，其由式LiMn x M 1-x PO 4表示（其中，0.3＆lt; 1lE; x＆nlE; 1和M是选自Li， Fe，Ni，Co，Ti，Cu，Zn，Mg和Zr）。 粘合剂包括丙烯腈基共聚物。