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公开(公告)号：JP2006351487A
公开(公告)日：2006-12-28
申请号：JP2005179909
申请日：2005-06-20
Applicant: SONY CORP
Inventor： WATANABE HARUO , HOSOYA YOSUKE
Abstract: PROBLEM TO BE SOLVED: To provide a positive active material capable of increasing capacity and enhancing cycle characteristics, and to provide the manufacturing method of the positive active material and a battery using it. SOLUTION: A positive electrode 21 contains composite oxide particles having a mean composition represented by Li (1+a) A b Co (1-x-y-z) Ni x Mn y M z O (2-c) F d . A represents Ca, Sr, or Ba; M represents Mg, Al, B, Ti, V, Cr, Fe, Cu, Zn, Mo, Sn, W, Zr, Y, or Nb; 0≤x COPYRIGHT: (C)2007,JPO&INPIT
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公开(公告)号：JP2006331943A
公开(公告)日：2006-12-07
申请号：JP2005156033
申请日：2005-05-27
Inventor： MORITA KOSHI , SOMA MASANORI , HOSOYA YOSUKE , AZUMA HIDETO
CPC classification number: Y02E60/122
Abstract: PROBLEM TO BE SOLVED: To provide a cathode active material with enhanced capacity and improved high-temperature characteristics and cycle characteristics, as well as a battery using the same. SOLUTION: The cathode 21 is complex oxide particles expressed in Li 1+x Co 1-y M y O 2-z containing a cathode active material equipped with a coating layer made of oxide containing Li, Ni, and Mn. M is at least a kind out of Mg, Al, B, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Mo, Sn, W, Zr, Y, Nb, Ca, and Sr, satisfying: -0.10≤x≤0.10, 0≤y COPYRIGHT: (C)2007,JPO&INPIT
Abstract translation: 要解决的问题：提供具有增强的容量和改进的高温特性和循环特性的阴极活性材料以及使用其的电池。
解决方案：阴极21是以Li 1 S 2 + x Sb 2 O 3 / SiO 2表示的复合氧化物颗粒 -z 含有具有由含有Li，Ni和Mn的氧化物制成的涂层的正极活性物质。 M是Mg，Al，B，Ti，V，Cr，Mn，Fe，Ni，Cu，Zn，Mo，Sn，W，Zr，Y，Nb，Ca和Sr中的至少一种，满足： 0.10≤x≤0.10,0≤y<0.50，-0.10≤z≤0.20。 阴极活性物质的衍射峰存在于与复合氧化物颗粒的[101]面相对应的衍射峰的0.2°以上且1.0°以下的范围内的较低角度的一侧， CuKα粉末X射线衍射。 版权所有（C）2007，JPO＆INPIT
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公开(公告)号：JP2006318759A
公开(公告)日：2006-11-24
申请号：JP2005140099
申请日：2005-05-12
Inventor： AKASHI HIROYUKI , OBANA YOSHIAKI , HARA TOMITARO , OGAWA KENICHI , HOSOYA YOSUKE
CPC classification number: Y02E60/122
Abstract: PROBLEM TO BE SOLVED: To provide a battery with improved energy density and cycle property.
SOLUTION: The battery has a wound electrode body 20 formed by winding a cathode 21 and an anode 22 through a separator 23. When completely charged, closed circuit voltage is 4.25V or higher and 6.00V or lower. An anode activator and conductive fibrous material like carbon fiber are contained in the anode 22. By the above, electron conductivity of the anode 22 is improved to improve cycle property. Preferably, average diameter of the fibrous material is not smaller than 0.01μm and not larger than 10μm.
COPYRIGHT: (C)2007,JPO&INPITAbstract translation: 要解决的问题：提供具有改善的能量密度和循环性能的电池。 解决方案：电池具有通过将阴极21和阳极22卷绕通过隔板23而形成的卷绕电极体20.当完全充电时，闭路电压为4.25V以上且6.00V以下。 阳极22中含有阳极活化剂和碳纤维等导电性纤维状材料。通过上述，改善阳极22的电子传导性，提高循环性能。 优选地，纤维材料的平均直径不小于0.01μm且不大于10μm。 版权所有（C）2007，JPO＆INPIT
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34.发明专利
公开(公告)号：JP2006172792A
公开(公告)日：2006-06-29
申请号：JP2004361044
申请日：2004-12-14
Inventor： AKASHI HIROYUKI , OGAWA KENICHI , TAKAGI KUMIKO , HARA TOMITARO , OBANA YOSHIAKI , HOSOYA YOSUKE
CPC classification number: Y02E60/122
Abstract: PROBLEM TO BE SOLVED: To provide a micro-porous membrane that is composed by mixing a conjugate diene series polymer and a polyolefin series polymer, in which problems are prevented from occurring wherein cycle characteristics or the like are reduced due to increase of an internal resistance, by enhancing the chemical stability of a separator in a battery. SOLUTION: This is to provide the micro-porous membrane that is composed, by mixing the conjugate diene series polymer and the polyolefin series polymer. Furthermore, in this micro-porous conjugate diene series polymer, a part of or all of its unsaturated bond parts are transformed into saturated bonds, and this micro-porous membrane can provide a chemically stable battery, when it is used as a separator in a non-aqueous electrolyte secondary battery, in which an open-circuit voltage is 4.25 V or more in the fully charged state, wherein superior battery characteristics are not impaired, even under a high voltage of 4.25 V or higher of open-circuit voltage in the fully charged state. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题：提供一种通过混合共轭二烯系聚合物和聚烯烃系列聚合物组成的微孔膜，其中防止由于增加循环特性等而导致循环特性等降低的问题 通过提高电池中的隔膜的化学稳定性来实现内阻。 解决方案：提供通过混合共轭二烯系聚合物和聚烯烃系列聚合物而构成的微孔膜。 此外，在该微孔共轭二烯系聚合物中，将其一部分或全部不饱和键部分转变为饱和键，该微孔膜可以在化学稳定的电池中作为隔膜使用 在完全充电状态下开路电压为4.25V以上的非水电解质二次电池，即使在4.25V以上的开路电压的高电压下，也不会损害优异的电池特性 充满电状态。 版权所有（C）2006，JPO＆NCIPI
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公开(公告)号：JP2004319129A
公开(公告)日：2004-11-11
申请号：JP2003108070
申请日：2003-04-11
Inventor： HOSOYA YOSUKE , YAMAMOTO YOSHIKATSU
CPC classification number: H01M4/13 , H01M4/131 , H01M4/133 , H01M4/136 , H01M4/364 , H01M4/366 , H01M4/485 , H01M4/505 , H01M4/525 , H01M4/5825 , H01M4/625
Abstract: PROBLEM TO BE SOLVED: To combine electric conductivity with high temperature characteristics in the anode active material using a lithium transition metal composite oxide.
SOLUTION: The anode active material is made by forming a covering layer in at least a part of the surface of particles containing the lithium transition metal composite oxide. The particles contain the lithium transition metal composite oxide having layered structure. The covering layer contains a mixture of an inorganic compound and a carbon material. The inorganic compound contains lithium. The weight ratio of the inorganic compound to the carbon material is 99:1 to 60:40. The weight ratio of the particles to the covering layer is 98:2 to 70:30.
COPYRIGHT: (C)2005,JPO&NCIPI-
Patent Agency Ranking
公开(公告)号：JP2004134207A
公开(公告)日：2004-04-30
申请号：JP2002296962
申请日：2002-10-10
Inventor： HOSOYA YOSUKE , YAMAMOTO YOSHIKATSU , SATO TAKASHI
CPC classification number: Y02E60/122
Abstract: PROBLEM TO BE SOLVED: To provide a positive electrode active material which can realize a non-aqueous electrolyte secondary battery that has a high capacity and is superior in overdischarge resistance, and a lithium ion non-aqueous electrolyte secondary battery using this type of positive electrode active material. SOLUTION: The positive electrode active material is made by mixing a second lithium transition metal complex oxide that has the same layered structure and has an average discharge voltage 0.05 V lower than the average discharge voltage of the first complex oxide with a first lithium transition metal complex oxide that has lithium and cobalt as a main component and has a layered structure. Furthermore, the lithium ion non-aqueous electrolyte secondary battery comprises a positive electrode 11 containing the above positive electrode active material, a negative electrode 12 that uses as the negative electrode active material a material that can dope and dedope lithium ion, and a non-aqueous electrolyte having lithium ion conductivity. COPYRIGHT: (C)2004,JPO
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公开(公告)号：JP2004022239A
公开(公告)日：2004-01-22
申请号：JP2002172941
申请日：2002-06-13
Inventor： HOSOYA YOSUKE , YAMAMOTO YOSHIKATSU
IPC: C01G53/00 , H01M4/02 , H01M4/36 , H01M4/485 , H01M4/525 , H01M10/05 , H01M10/052 , H01M4/58 , H01M10/40
CPC classification number: Y02E60/122
Abstract: PROBLEM TO BE SOLVED: To provide a positive electrode active material having high capacity and excellent cycle characteristics, and a nonaqueous electrolyte secondary battery using it.
SOLUTION: This positive electrode active material is formed by mixing lithium having a layered structure, a nickel compound oxide, and a lithium composite oxide having a layered structure, whereof shrinkage from the maximum value of a lattice constant c with desorption of lithium is smaller than that of the lithium and the nickel compound oxide. This nonaqueous electrolyte secondary battery is provided with the positive electrode containing the positive electrode active material, a negative electrode containing a lithium metal, and a lithium alloy or a material capable of doping and de-doping lithium, and a nonaqueous electrolyte, and the positive electrode active material is formed by mixing lithium having the layered structure, the nickel compound oxide, and the lithium compound oxide having the layered structure, whereof shrinkage from the maximum value of the lattice constant c with desorption of lithium is smaller than that of the lithium and the nickel compound oxide.
COPYRIGHT: (C)2004,JPO-
38.发明专利Secondary battery, battery pack, electric vehicle, power storage system, electric tool and electronic apparatus 审中-公开二次电池，电池组，电动车，蓄电池系统，电动工具及电子设备
公开(公告)号：JP2014017071A
公开(公告)日：2014-01-30
申请号：JP2012152306
申请日：2012-07-06
Inventor： YANAGIHARA AKITERU , FUJIKI SATOSHI , HOSOYA YOSUKE
IPC: H01M10/052 , H01M2/02 , H01M2/10 , H01M2/16 , H01M4/505 , H01M4/525 , H01M4/58 , H01M10/0566 , H01M10/058 , H01M10/44
CPC classification number: Y02E60/122 , Y02T10/7011
Abstract: PROBLEM TO BE SOLVED: To provide a secondary battery ensuring excellent battery characteristics.SOLUTION: A positive electrode contains a lithium-containing compound. The lithium-containing compound contains at least one of LiM1POand Li(MnNiCoM2)Oand the average primary particle size of the lithium-containing compound is 0.05-1 μm. A separator includes a porous base material layer, and a polymer compound layer. The polymer compound layer contains a polymer material applied to at least one of a surface of the base material layer facing the positive electrode and a surface facing the negative electrode, and into which particles of an inorganic oxide are dispersed. The average primary particle size of the inorganic oxide is 0.01-5 μm.
Abstract translation: 要解决的问题：提供确保优异的电池特性的二次电池。解决方案：正极含有含锂化合物。 含锂化合物含有LiM1PO和Li（MnNiCoM2）O中的至少一种，并且含锂化合物的平均一次粒径为0.05-1μm。 隔板包括多孔基材层和高分子化合物层。 高分子化合物层含有施加于基材层的面对正极的表面和面对负极的表面中的至少一个的聚合物材料，无机氧化物的粒子分散在该材料层中。 无机氧化物的平均一次粒径为0.01-5μm。
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39.发明专利Lithium secondary battery, positive electrode active material, positive electrode, power tool, electric vehicle, and power storage system 审中-公开锂二次电池，正极电极活性材料，正极电极，电动工具，电动车辆和蓄电池系统
公开(公告)号：JP2012142155A
公开(公告)日：2012-07-26
申请号：JP2010293268
申请日：2010-12-28
Inventor： ENDO KASUAKI , TAKAKURA TERU , SEGAMI MASAHARU , RI KOKUKA , KAWASE KENICHI , HOSOYA YOSUKE
IPC: H01M4/505 , C01G53/00 , H01M4/13 , H01M4/131 , H01M4/36 , H01M4/48 , H01M4/525 , H01M10/052 , H01M10/0566 , H01M10/0567
CPC classification number: H01M4/525 , H01M4/131 , H01M4/366 , H01M4/485 , H01M10/0525 , Y02E60/122
Abstract: PROBLEM TO BE SOLVED: To provide a secondary battery capable of obtaining excellent battery performance.SOLUTION: A positive electrode active material layer 21B of a positive electrode 21 contains a positive electrode active material. The positive electrode contains this positive electrode active material in which, out of composite oxides containing an element M1 represented by Li(MnCoNi)M1O(M1 represents aluminum or the like, a is 0
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公开(公告)号：JP2011119243A
公开(公告)日：2011-06-16
申请号：JP2010240592
申请日：2010-10-27
Inventor： WATANABE HARUO , OYAMA YUUDAI , SAITO SHUNSUKE , HOSOYA YOSUKE , FUJITA SHIGERU
IPC: H01M4/13 , H01M4/131 , H01M4/505 , H01M4/525 , H01M4/62 , H01M10/052 , H01M10/058
CPC classification number: H01M4/505 , H01M4/131 , H01M4/525 , H01M4/5825 , H01M4/62 , H01M10/052 , Y02E60/122
Abstract: PROBLEM TO BE SOLVED: To provide a positive electrode and a nonaqueous electrolyte battery, restraining gas generation inside a battery. SOLUTION: The nonaqueous electrolyte battery is made with the use of a positive electrode including a positive electrode active material containing lithium complex oxide, heteropoly acid and/or a heteropoly acid compound, and phosphorous acid. As the heteropoly acid, at least a kind out of phosphomolybdic acid, phosphotungstic acid, silicomolybdic acid, and silicotungstic acid, for example, can be used. As the heteropoly acid compound, at least one kind out of the compounds of heteropoly acid can be used. Added volumes of the heteropoly acid and/or the heteropoly acid compound and the phosphorous acid are preferred to be 0.01 wt% or more to 5.0 wt% or less, respectively, to 100 wt% of the positive electrode active material. As to a shape of the nonaqueous electrolyte battery, a flat shape battery packaged with a laminate film or the like, or a square battery can be used. COPYRIGHT: (C)2011,JPO&INPIT
Abstract translation: 解决的问题：为了提供正极和非水电解质电池，抑制电池内的气体产生。 解决方案：使用包含含有锂复合氧化物，杂多酸和/或杂多酸化合物的正极活性物质的正极和亚磷酸制造非水电解质电池。 作为杂多酸，例如可以使用磷钼酸，磷钨酸，硅钼酸，硅钨酸中的至少一种。 作为杂多酸化合物，可以使用杂多酸化合物中的至少一种。 对于100重量％的正极活性物质，杂多酸和/或杂多酸化合物和亚磷酸的添加体积优选分别为0.01重量％以上至5.0重量％以下。 关于非水电解质电池的形状，可以使用与层压膜等一起包装的扁平形状的电池或方形电池。 版权所有（C）2011，JPO＆INPIT
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