公开(公告)号：US20110256437A1

公开(公告)日：2011-10-20

申请号：US13042081

申请日：2011-03-07

申请人： Toshihiro Katsuki ,  Toshiharu Shimooka ,  Itaru Gosho

发明人： Toshihiro Katsuki ,  Toshiharu Shimooka ,  Itaru Gosho

IPC分类号： H01M4/62 ,  H01M10/36

CPC分类号： H01M4/525 ,  H01M2/026 ,  H01M2/0262 ,  H01M2/0434 ,  H01M4/131 ,  H01M4/623 ,  H01M10/052 ,  H01M2004/021

摘要： A lithium secondary battery positive electrode of the present invention includes a positive electrode material mixture layer containing a positive electrode active material, a conductivity enhancing agent and a binder on one or both sides of a current collector, and the positive electrode active material contains a lithium-containing composite oxide represented by the general compositional formula: Li1+xMO2, where x is in a range of −0.15≦x≦0.15 and M represents an element group of three or more elements including at least Ni, Co and Mn. The binder contains a tetrafluoroethylene-vinylidene fluoride copolymer (P(TFE-VDF)) and polyvinylidene fluoride (PVDF). The total content of the binder in the positive electrode material mixture layer is 1 to 4 mass %, and the ratio of the P(TFE-VDF) is 10 mass % or more, when the total of the P(TFE-VDF) and the PVDF is taken as 100 mass %.

摘要翻译： 本发明的锂二次电池正极包括在集电体的一面或两面上含有正极活性物质，导电性增强剂和粘合剂的正极合剂层，正极活性物质含有锂 由以下通式构成的化合物Li1 + xMO2表示，其中x在-0.15＆lt; lEE的范围内; x＆lt; lE; 0.15，M表示至少包含Ni，Co和Mn的3种以上元素的元素组。 粘合剂含有四氟乙烯 - 偏二氟乙烯共聚物（P（TFE-VDF））和聚偏二氟乙烯（PVDF）。 正极合剂层中的粘合剂的总含量为1〜4质量％，P（TFE-VDF）的比例为10质量％以上时，P（TFE-VDF）和 将PVDF作为100质量％。

公开(公告)号：US09065116B2

公开(公告)日：2015-06-23

申请号：US13043569

申请日：2011-03-09

申请人： Toshiharu Shimooka ,  Itaru Gosho ,  Akira Inaba ,  Masayuki Yamada ,  Kazutaka Matsuo ,  Satoshi Kono

发明人： Toshiharu Shimooka ,  Itaru Gosho ,  Akira Inaba ,  Masayuki Yamada ,  Kazutaka Matsuo ,  Satoshi Kono

IPC分类号： H01M4/13 ,  H01M4/60 ,  H01M2/16 ,  H01M4/00 ,  H01M4/50 ,  H01M4/58 ,  H01M6/16 ,  H01M4/131 ,  H01M4/48 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0569 ,  H01M4/133 ,  H01M2/34 ,  H01M4/134 ,  H01M4/505 ,  H01M4/587 ,  H01M10/42

CPC分类号： H01M4/131 ,  H01M2/16 ,  H01M2/1653 ,  H01M2/1686 ,  H01M2/34 ,  H01M4/133 ,  H01M4/134 ,  H01M4/483 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M6/164 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2010/4292 ,  H01M2300/0034 ,  Y02E60/122

摘要： A lithium secondary battery positive electrode according to the present invention is a lithium secondary battery positive electrode including a positive electrode material mixture layer containing a positive electrode active material and a conductivity enhancing agent on one or both sides of a current collector, wherein the positive electrode active material contains a lithium-containing composite oxide, the conductivity enhancing agent contains carbon fibers having an average fiber length of 10 nm or more and less than 1000 nm and an average fiber diameter of 1 nm or more and 100 nm or less, and the content of the carbon fibers in the positive electrode material mixture layer is 0.25 mass % or more and 1.5 mass % or less.

摘要翻译： 根据本发明的锂二次电池正极是包含在集电体的一侧或两侧上含有正极活性物质和导电性增强剂的正极合剂层的锂二次电池正极，其中，所述正极 活性物质含有含锂复合氧化物，导电性增强剂含有平均纤维长度为10nm以上且小于1000nm，平均纤维径为1nm以上且100nm以下的碳纤维， 正极合剂层中的碳纤维的含量为0.25质量％以上且1.5质量％以下。

公开(公告)号：US20110262796A1

公开(公告)日：2011-10-27

申请号：US13043569

申请日：2011-03-09

申请人： Toshiharu SHIMOOKA ,  Itaru Gosho ,  Akira Inaba ,  Masayuki Yamada ,  Kazutaka Matsuo ,  Satoshi Kono

发明人： Toshiharu SHIMOOKA ,  Itaru Gosho ,  Akira Inaba ,  Masayuki Yamada ,  Kazutaka Matsuo ,  Satoshi Kono

IPC分类号： H01M2/16 ,  H01M10/056 ,  H01M4/62 ,  H01M4/485 ,  H01M4/52

CPC分类号： H01M4/131 ,  H01M2/16 ,  H01M2/1653 ,  H01M2/1686 ,  H01M2/34 ,  H01M4/133 ,  H01M4/134 ,  H01M4/483 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M6/164 ,  H01M10/0525 ,  H01M10/0569 ,  H01M2010/4292 ,  H01M2300/0034 ,  Y02E60/122

摘要： A lithium secondary battery positive electrode according to the present invention is a lithium secondary battery positive electrode including a positive electrode material mixture layer containing a positive electrode active material and a conductivity enhancing agent on one or both sides of a current collector, wherein the positive electrode active material contains a lithium-containing composite oxide, the conductivity enhancing agent contains carbon fibers having an average fiber length of 10 nm or more and less than 1000 nm and an average fiber diameter of 1 nm or more and 100 nm or less, and the content of the carbon fibers in the positive electrode material mixture layer is 0.25 mass % or more and 1.5 mass % or less.

摘要翻译： 根据本发明的锂二次电池正极是包含在集电体的一侧或两侧上含有正极活性物质和导电性增强剂的正极合剂层的锂二次电池正极，其中，所述正极 活性物质含有含锂复合氧化物，导电性增强剂含有平均纤维长度为10nm以上且小于1000nm，平均纤维径为1nm以上且100nm以下的碳纤维， 正极合剂层中的碳纤维的含量为0.25质量％以上且1.5质量％以下。

公开(公告)号：US20140227562A1

公开(公告)日：2014-08-14

申请号：US14241663

申请日：2012-09-03

申请人： Haruki Kamizori ,  Itaru Gosho ,  Masayuki Yamada ,  Fusaji Kita

发明人： Haruki Kamizori ,  Itaru Gosho ,  Masayuki Yamada ,  Fusaji Kita

IPC分类号： H02J7/00 ,  H01M2/34

CPC分类号： H02J7/0052 ,  H01M2/34 ,  H01M4/131 ,  H01M4/366 ,  H01M4/483 ,  H01M10/052 ,  H01M2200/106 ,  Y02T10/7011

摘要： A lithium secondary-battery pack of the present invention includes: a lithium secondary battery including an electrode body and a non-aqueous electrolyte, the electrode body including a positive electrode and a negative electrode facing each other, and a separator interposed therebetween; a PTC (Positive Temperature Coefficient) element; and a protection circuit including a field-effect transistor, wherein the negative electrode includes a negative electrode material mixture layer containing a Si-containing material as a negative electrode active material, and, where Z represents an impedance (Ω) of the lithium secondary-battery pack and Q represents a capacity (Ah) of the lithium secondary-battery pack, an impedance capacity index represented by Z/Q is 0.055 Ω/Ah or less.

摘要翻译： 本发明的锂二次电池组包括：锂二次电池，其包括电极体和非水电解质，所述电极体包括正极和负极彼此面对的隔膜; PTC（正温度系数）元件; 以及包括场效应晶体管的保护电路，其中所述负极包括含有含Si材料作为负极活性物质的负极材料混合物层，并且其中Z表示所述锂二次电池的阻抗（＆amp; OHgr） 电池组，Q表示锂二次电池组的容量（Ah），Z / Q表示的阻抗容量指数为0.055＆OHgr / Ah以下。

公开(公告)号：US07235332B2

公开(公告)日：2007-06-26

申请号：US10465932

申请日：2001-12-21

申请人： Toshihiro Zushi ,  Seiji Okada ,  Itaru Gosho ,  Shogo Tanno ,  Mitsuhiro Marumoto

发明人： Toshihiro Zushi ,  Seiji Okada ,  Itaru Gosho ,  Shogo Tanno ,  Mitsuhiro Marumoto

IPC分类号： H01M10/40

CPC分类号： H01M10/0565 ,  H01M2/1653 ,  H01M4/131 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0569 ,  H01M10/0587 ,  H01M2300/004

摘要： A porous element containing a fluoropolymer comprising vinylidene fluoride as a main unit and having a density of 0.55–1.30 g/cm3 and a Gurley value of not more than 150 sec/100 cc is used as a polymer substrate of a solid electrolyte to be placed between a positive electrode and a negative electrode. As a result, the solid electrolyte layer shows fine ion conductivity and an ion polymer secondary battery having strikingly improved low temperature characteristics, cycle characteristics and high-rate discharge characteristics as compared to conventional batteries can be obtained.

摘要翻译： 含有含氟聚合物的含氟聚合物的多孔元件用作聚合物，该含氟聚合物包含偏二氟乙烯作为主要单元，密度为0.55-1.30g / cm 3，Gurley值不大于150sec / 100cc 待置于正电极和负电极之间的固体电解质的衬底。 结果，固体电解质层显示出良好的离子传导性，并且可以获得与常规电池相比具有惊人改善的低温特性，循环特性和高放电特性的离子聚合物二次电池。

公开(公告)号：US06589694B1

公开(公告)日：2003-07-08

申请号：US09570594

申请日：2000-05-12

申请人： Itaru Gosho ,  Ken Moriuchi ,  Kenichi Kizu ,  Toshihiro Zushi ,  Masahiro Kamauchi ,  Mitsuhiro Asano ,  Kazuyuki Tateishi

发明人： Itaru Gosho ,  Ken Moriuchi ,  Kenichi Kizu ,  Toshihiro Zushi ,  Masahiro Kamauchi ,  Mitsuhiro Asano ,  Kazuyuki Tateishi

IPC分类号： H01M458

CPC分类号： H01M10/0525 ,  C01G45/1228 ,  C01G45/1242 ,  C01G51/42 ,  C01G51/50 ,  C01G51/52 ,  C01G53/42 ,  C01G53/50 ,  C01G53/52 ,  C01P2002/52 ,  C01P2002/54 ,  C01P2004/61 ,  C01P2004/80 ,  C01P2004/82 ,  C01P2006/12 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/133 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0569 ,  H01M10/0587 ,  H01M10/44 ,  H01M2004/021 ,  H01M2300/0042

摘要： The present invention relates to a positive electrode active material, a negative electrode active material and an electrolyte that are used alone or in combination to improve charge and discharge cycle characteristic, low temperature characteristic and safety of a non-aqueous electrolyic secondary battery, particularly a lithium ion secondary battery. Specifically, a particulate Li-transition metal composite oxide having an average particle size of not less than 10 &mgr;m, wherein [20/(specific surface area×average particle size)]=7-9, is used as a positive electrode active material.

摘要翻译： 本发明涉及单独使用或组合使用来提高非水电解二次电池的充放电循环特性，低温特性和安全性的正极活性物质，负极活性物质和电解质，特别是 锂离子二次电池。 具体而言，作为正极活性物质，使用[20 /（比表面积平均粒径）] = 7〜9的平均粒径为10μm以上的粒状Li-过渡金属复合氧化物。