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1. 发明专利

JP2013065482A Positive electrode for lithium ion secondary battery, lithium ion secondary battery, and battery module 有权
标题翻译：用于锂离子二次电池的正极，锂离子二次电池和电池模块
公开(公告)号：JP2013065482A
公开(公告)日：2013-04-11
申请号：JP2011204040
申请日：2011-09-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YUASA TOYOTAKA , KOBAYASHI MITSURU , OGAWA TSUKASA , ODA MASANARI , KITAGAWA HIROSHI
IPC分类号： H01M4/136 , H01M4/58 , H01M4/62 , H01M4/66
CPC分类号： H01M4/64 , C01B25/45 , H01M2/1077 , H01M4/136 , H01M4/1397 , H01M4/5825 , H01M4/625 , H01M4/661 , H01M4/663 , H01M4/667 , H01M10/0587 , H01M2004/021 , Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode for a lithium ion secondary battery offering a high capacity per unit volume of the electrode and a high output, and a lithium ion secondary battery and a battery module comprising the same.SOLUTION: The positive electrode for a lithium ion secondary battery comprises a mixture layer containing a positive electrode active material (3), a conductive material, and a binder, and a collector (1) on which the mixture layer is formed, the positive electrode active material (3) is a complex oxide having an olivine structure and represented by the formula: LiMPO, where M represents a transition metal including at least one of Fe and Mn, 0
摘要翻译：要解决的问题：提供一种提供电极每单位体积的高容量和高输出的锂离子二次电池的正极，以及锂离子二次电池和包含该正极的电池模块。解决方案：锂离子二次电池用正极包括含有正极活性物质（3），导电材料和粘合剂的混合层和形成有混合层的集电体（1）正极活性物质（3）是具有橄榄石结构的复合氧化物，由下式表示：Li x PO 4 ，其中M表示包含Fe和Mn中的至少一种的过渡金属，0

2. 发明专利

JP2014143032A Positive electrode active material for lithium ion secondary battery, and lithium ion secondary battery 审中-公开
标题翻译：用于锂离子二次电池的正极电极活性材料和锂离子二次电池
公开(公告)号：JP2014143032A
公开(公告)日：2014-08-07
申请号：JP2013009726
申请日：2013-01-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ODA MASANARI , TAKAHASHI SHIN
IPC分类号： H01M4/505 , H01M4/36 , H01M4/525
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode material for a lithium ion secondary battery, having both safety and high volumetric energy density, and a lithium ion secondary battery using the positive electrode material.SOLUTION: Features of the present invention include: a positive electrode material for a lithium ion secondary battery, in which a first coating layer comprising a metal compound and a second coating layer having lower resistance than the first coating layer are provided on at least a part of the surface of a core material having an ability capable of inserting/desorbing lithium ions; and a lithium ion secondary battery using the positive electrode material.
摘要翻译：要解决的问题：提供具有安全性和高体积能量密度的锂离子二次电池用正极材料和使用正极材料的锂离子二次电池。本发明的特征包括：阳性在具有能力的芯材的表面的至少一部分上设置有锂离子二次电池用电极材料，其中包含金属化合物的第一涂层和具有比第一涂层更低的电阻的第二涂层插入/解吸锂离子; 以及使用正极材料的锂离子二次电池。

3. 发明专利

JP2013101883A Positive electrode active material for lithium ion secondary battery 审中-公开
标题翻译：用于锂离子二次电池的正极电极活性材料
公开(公告)号：JP2013101883A
公开(公告)日：2013-05-23
申请号：JP2011245867
申请日：2011-11-09
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ODA MASANARI , YUASA TOYOTAKA , KITAGAWA HIROSHI
IPC分类号： H01M4/58 , H01M4/36 , H01M4/38 , H01M10/052 , H01M10/44
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode active material excellent in cycle characteristics and high in safety.SOLUTION: A positive electrode active material for a lithium ion secondary battery includes: a compound A belonging to a Pnma space group and represented as chemical formula: LiMnFeMPO(in the formula, the relationships of 0 y are satisfied) and a peak intensity I in a (200) face of the compound B is more than 0.0001 and less than 1, and an average particle size of primary particles constituting the positive electrode active material is less than 500 nm.
摘要翻译：解决的问题：提供循环特性优异，安全性高的正极活性物质。解决方案：锂离子二次电池用正极活性物质包括：属于Pnma空间群并表示为化学式的化合物A：Li x Mn / SB>（在该公式中，满足0 0 之间的强度比I / I 0 包含Li所解吸的化合物A，属于Pnma空间群并以化学式表示：Li α ββ PO 4 （在公式中， 0≤y<0.06且x> y），化合物B的（200）面的峰强度I大于0.0001且小于1，构成正极活性物质的一次粒子的平均粒径小于500nm。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2013246936A Positive-electrode active material for nonaqueous secondary batteries 审中-公开
标题翻译：非极性二次电池正极电极活性材料
公开(公告)号：JP2013246936A
公开(公告)日：2013-12-09
申请号：JP2012118767
申请日：2012-05-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKABAYASHI TAKASHI , TAKAHASHI SHIN , KITAGAWA HIROSHI , ODA MASANARI , YUASA TOYOTAKA , TAKANO SHUICHI
IPC分类号： H01M4/58 , C01B25/45 , H01M4/36 , H01M10/052 , H01M10/0568
CPC分类号： C01B25/45 , H01M4/136 , H01M4/366 , H01M4/5825 , H01M10/052
摘要： PROBLEM TO BE SOLVED: To provide a positive-electrode active material for nonaqueous secondary batteries which is subjected to a low-temperature baking so as to have small-diameter particles, and which is less in Mn elution when being stored at a high temperature and achieves a good high-temperature shelf life even with low crystallinity in carbon coating.SOLUTION: The positive-electrode active material for nonaqueous secondary batteries comprises a lithium complex oxide having an olivine structure expressed by the chemical formula, LiMnM(PO), where 0.8≤A≤1.2, 0.8≤B≤1.2, and 0.3≤X
摘要翻译：要解决的问题：为了提供一种非水性二次电池用正极活性物质，该非水系二次电池经过低温烧结以具有小直径的颗粒，并且当在高温下储存时Mn洗脱少，即使在碳涂层中的结晶度低的情况下也能实现良好的高温保存期。溶液：非水二次电池用正极活性物质包含具有由化学式LiMnM（PO）表示的橄榄石结构的锂复合氧化物，其中0.8 ≤A≤1.2,0.8≤B≤1.2,0.3≤X<1，M表示选自Li，Fe，Ni，Co，Ti，Cu，Zn，Mg和Mg中的一种或多种金属原子。 Zr。锂复合氧化物的表面部分或全部被碳材料覆盖。在正极活性物质中，根据拉曼光谱法，碳D带3与碳G带2的面积比（S / S）为3.5以上。比表面积S满足13m / g

5. 发明专利

JP2013251147A Electrode for a secondary battery 审中-公开
标题翻译：二次电池电极
公开(公告)号：JP2013251147A
公开(公告)日：2013-12-12
申请号：JP2012125354
申请日：2012-05-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ODA MASANARI , YUASA TOYOTAKA , KITAGAWA HIROSHI
IPC分类号： H01M4/02 , H01G11/22 , H01M4/62 , H01M4/70
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a secondary battery electrode achieving both high capacity and rate responsiveness, thus obtaining a high-output secondary battery.SOLUTION: A secondary battery electrode 1 includes: an active material layer 3 formed on a surface of a collector 2; and a slit portion 11 that is slitted from a surface of the active material layer 3 so as to have an angle θ inclined with respect to a direction perpendicular to the surface of the collector 2. The secondary battery electrode 1 also includes a branch portion 12 that is branched from the slit portion 11 in the active material layer 3 so as to form a passage capable of supplying electrolyte solution.
摘要翻译：要解决的问题：提供一种实现高容量和速率响应性的二次电池电极，从而获得高输出二次电池。解决方案：二次电池电极1包括：形成在集电体2的表面上的活性材料层3 ; 以及从活性物质层3的表面切割成角度的切口部11; 相对于与集电体2的表面垂直的方向倾斜。二次电池电极1还包括从活性物质层3中的狭缝部分11分支的分支部分12，以形成能够供应电解质的通道解。

6. 发明专利

JP2013187034A Positive electrode for lithium ion secondary battery, lithium ion secondary battery and battery module 有权
标题翻译：锂离子二次电池正极，锂离子二次电池和电池模块
公开(公告)号：JP2013187034A
公开(公告)日：2013-09-19
申请号：JP2012051137
申请日：2012-03-08
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YUASA TOYOTAKA , KOBAYASHI MITSURU , ODA MASANARI , KITAGAWA HIROSHI
IPC分类号： H01M4/136 , H01M4/58 , H01M4/62 , H01M4/66
CPC分类号： H01M4/136 , H01M4/5825 , H01M4/625 , H01M4/663 , H01M4/667 , H01M10/0525 , H01M2004/021 , Y02T10/7011
摘要： PROBLEM TO BE SOLVED: To provide a positive electrode for a lithium ion secondary battery which can achieve enhancement of capacity per volume of an electrode and high output, and to provide a lithium ion secondary battery, and a battery module.SOLUTION: The positive electrode for a lithium ion secondary battery includes a mixture layer containing a positive electrode active material (3), a conductive material and polyolefin binder, and a collector (1) having the mixture layer formed on the surface. The positive electrode active material (3) is a composite oxide having an olivine structure represented by a chemical formula LiMPO(M is a transition metal containing at least one of Fe and Mn. 0
摘要翻译：要解决的问题：提供一种锂离子二次电池用正极，能够实现电极体积容量的提高，高输出，提供锂离子二次电池和电池模块。解决方案：正极对于锂离子二次电池，包括含有正极活性物质（3），导电材料和聚烯烃粘合剂的混合层和在表面上形成有混合层的集电体（1）。正极活性物质（3）是具有由化学式LiMPO表示的橄榄石结构的复合氧化物（M是含有Fe和Mn中的至少一种的过渡金属，0

7. 发明专利

JP2012123909A Positive electrode material for lithium ion secondary battery, and method of manufacturing the same, positive electrode active substance for lithium ion secondary battery, positive electrode for lithium ion secondary battery, and lithium ion secondary battery 有权
标题翻译：用于锂离子二次电池的正极电极材料及其制造方法，用于锂离子二次电池的正极活性物质，用于锂离子二次电池的正电极和锂离子二次电池
公开(公告)号：JP2012123909A
公开(公告)日：2012-06-28
申请号：JP2010271024
申请日：2010-12-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ODA MASANARI , KITAGAWA HIROSHI , YUASA TOYOTAKA
IPC分类号： H01M4/58 , C01B25/45
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a battery excellent in battery characteristics by defining the form of a secondary particle which allows the carbon coating to be performed readily even with olivine-based positive electrode micro particles with a high aspect ratio cohering into secondary particles.SOLUTION: The positive electrode material for a lithium ion secondary battery comprises a compound expressed by the formula LiMPO, where M represents one or more elements selected from a group consisting of Mg, Al, Ti, Mn, Fe, Co, Ni, Cu, and Zn. Each primary particle of the compound has a form having a short diameter of 200 nm or smaller, and an aspect ratio of 1.5 to 200 inclusive, which is an a ratio of the long diameter of the particle to the short diameter thereof. Further, the primary particles cohere into secondary particles. As to the form of the secondary particles, the primary particles cohere using, as a main portion to close contact with, a portion in the vicinity of the center of the long diameter of the secondary particle, and the maximum diameter of the short diameters of the secondary particle vs. the diameter at the center is 1.2 or larger.
摘要翻译：要解决的问题：通过限定二次粒子的形式来提供电池特性优异的电池，即使在具有高纵横比的橄榄石型正极微粒子结合到二次粒子的情况下也能够容易地进行碳涂层粒子。解决方案：锂离子二次电池用正极材料包括由式LiMPO 4 表示的化合物，其中M表示选自以下的一种或多种元素： Mg，Al，Ti，Mn，Fe，Co，Ni，Cu和Zn。化合物的每个初级颗粒具有200nm或更小的直径，以及长宽比为1.5至200（包括端值）的形式，其是颗粒的长径与其短径之比。此外，初级颗粒凝聚成二次颗粒。关于二次粒子的形式，一次粒子使用作为与二次粒子的长径的中心附近的部分紧密接触的主要部分和短径的最大直径二次粒子相对于中心处的直径为1.2以上。版权所有（C）2012，JPO＆INPIT

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