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1. 发明专利

JP2001273903A LITHIUM SECONDARY BATTERY 失效
公开(公告)号：JP2001273903A
公开(公告)日：2001-10-05
申请号：JP2000088003
申请日：2000-03-28
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： MURAOKA NORIKI , KAWADATE YUTAKA
IPC分类号： H01M10/05 , H01M4/131 , H01M4/133 , H01M4/62 , H01M10/0525 , H01M10/0565 , H01M10/0566 , H01M4/02 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To improve a low-temperature property in a lithium secondary battery that is constituted from a positive electrode in which lithium containing complex oxide is used as an active material, a negative electrode which is composed of carbonaceous materials wherein occlusion and emission of lithium ion is electrochemically possible, a separator, and a nonaqueous electrolytic solution. SOLUTION: By adding Co3O4 which has a surface area of specific range, an electro-conductivity of positive electrode can be enhanced and a lithium secondary battery which can be superior in the low-temperature property can be provided.

2. 发明专利

JP2005310619A Lithium-ion secondary battery 审中-公开
标题翻译：锂离子二次电池
公开(公告)号：JP2005310619A
公开(公告)日：2005-11-04
申请号：JP2004127850
申请日：2004-04-23
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YONEDA ATSUO , KAWADATE YUTAKA
IPC分类号： H01M10/05 , H01M4/131 , H01M10/0525 , H01M10/0587 , H01M10/40 , H01M4/02
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a lithium-ion secondary battery which hardly causes an internal short circuit by a portion between a positive electrode plate uncoated portion and a negative electrode active material where a large current easily flows and between the edge of the positive electrode plate coated portion and the negative electrode active material, when an internal short circuit is brought about caused by a hole formed by the crash or the like of the separator.
SOLUTION: The lithium ion secondary battery comprises an electrode group in which a positive electrode plate coating a positive electrode active material composed of a lithium compound oxide on a positive electrode current collector and a negative electrode plate coating a negative electrode active material composed of carbon on a negative electrode current collector are wound through a separator. An uncoated portion is provided at the inner circumference and the outer circumference of the positive electrode plate, and an insulating substance is coated continuously on the coated portion edge of the positive electrode plate outer circumference and on a part or the whole face including at least a portion opposed to the negative electrode active material of the positive electrode plate outer circumference uncoated portion continuing thereto.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种锂电池，其通过正电极板未涂覆部分和大电流容易流动的负极活性材料之间的部分几乎不引起内部短路，并且在正极板涂覆部分和负极活性物质，当由分隔件的碰撞等形成的孔引起内部短路时。解决方案：锂离子二次电池包括其中在正极集电体上涂覆由锂复合氧化物构成的正极活性材料的正极板和涂覆负极活性材料的负极板组成的电极组，的负极集电体上的碳被卷绕通过隔膜。在正极板的内圆周和外周设有未涂覆部分，绝缘物质被连续地涂覆在正极板外周的涂覆部分边缘上，并且包括至少一个与正极板外周未涂覆部分的负极活性物质相对的部分。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2003197172A NONAQUEOUS ELECTROLYTE SECONDARY BATTERY 审中-公开
公开(公告)号：JP2003197172A
公开(公告)日：2003-07-11
申请号：JP2001393417
申请日：2001-12-26
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SANO HIDEKI , SUGAFUJI MASAYA , KITAGAWA MASAKI , YAMAMOTO NORIHIRO , KATO KIYOMI , MATSUNO HIROSHI , NUNOME JUN , KAWADATE YUTAKA
IPC分类号： H01M2/06 , H01M2/14 , H01M2/16 , H01M2/30 , H01M6/10 , H01M10/05 , H01M10/0587 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte secondary battery with high charge discharge cycle characteristics and high storage characteristics. SOLUTION: This nonaqueous electrolyte secondary battery is composed of an electrode plate group formed by winding a positive electrode plate and a negative electrode plate through a separator comprising a single layer or a multiple layer of polyolefin resin; a nonaqueous electrolyte; and an envelope body in which the electrode group and the nonaqueous electrolyte are housed, and (1) the separator has at least one layer comprising polypropylene resin, (2) the layer comprising the polypropylene resin containing an anti-oxidizing agent having a melting point of 60°C or more, and (3) the layer comprising the polypropylene resin comes in contact with the positive electrode. COPYRIGHT: (C)2003,JPO

4. 发明专利

JP2008204771A Nonaqueous electrolyte battery 审中-公开
标题翻译：非电解电解质电池
公开(公告)号：JP2008204771A
公开(公告)日：2008-09-04
申请号：JP2007038999
申请日：2007-02-20
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KITAYAMA HIROAKI , YAMAHIRA SHINYA , KAWADATE YUTAKA
IPC分类号： H01M4/02 , H01M2/26 , H01M4/04 , H01M4/08 , H01M4/13 , H01M4/139 , H01M6/16 , H01M10/05 , H01M10/0587
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte battery preventing breakage of a positive electrode caused by winding when a positive electrode having high positive active material density is wound, and increasing productivity.
SOLUTION: In the nonaqueous electrolyte battery formed by housing an electrode group constituted by winding a positive electrode and a negative electrode which are formed by applying an electrode mix to the both surfaces of a current collector through a separator in a case together with an electrolyte, the positive electrode has a coated part covered with the electrode mix and an uncoated part where the current collector is exposed without being covered with the electrode mix, a lead for collecting current is connected to the uncoated part, and furthermore, peeling-off working is applied to the electrode mix in the coated part in a boundary part to the uncoated part.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种非水电解质电池，当缠绕具有高的正极活性物质密度的正极时，防止由绕组引起的正极断裂，并提高生产率。解决方案：在通过将通过卷绕正电极和负极构成的电极组形成的非水电解质电池中，所述电极组通过在壳体中通过隔膜将电极混合物施加到集电器的两个表面而形成，电解质，正电极具有被电极混合物覆盖的涂覆部分和未被电极混合物覆盖集电体的未涂覆部分，用于集电的引线与未涂覆部分连接，此外，对未涂覆部分的边界部分中的涂覆部分中的电极混合物施加断开加工。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008097964A Nonaqueous electrolyte solution battery 审中-公开
标题翻译：非电解电解质电池
公开(公告)号：JP2008097964A
公开(公告)日：2008-04-24
申请号：JP2006277540
申请日：2006-10-11
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YAMAHIRA SHINYA , KAWADATE YUTAKA , FUJIWARA ISAO , KANEDA MAYUMI , KITAYAMA HIROAKI
IPC分类号： H01M4/02 , H01M4/13 , H01M4/139 , H01M10/05 , H01M10/0566 , H01M10/0587
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a nonaqueous electrolyte solution battery with improved productivity through prevention of damage of a cathode due to winding, in winding a cathode plate with high cathode active material density.
SOLUTION: In the nonaqueous electrolyte solution battery made by housing an electrode plate group structured by winding an anode plate and a cathode plate with an electrode mixture coated on either face of a collector through a separator, and electrolyte solution in a case, the cathode is provided with a coated part covered with the electrode mixture and a non-coated part without coating of the electrode mixture and with the collector exposed. A lead for current collection is connected to the non-coated part, and an insulation tape is arranged at an interface part of the coated part and the non-coated part, with the insulation tape having a paste agent face existing only at one side end of the base material face, and pasted only to the non-coated part.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：为了通过防止由于卷绕而导致的阴极的损坏而提高生产率的非水电解液电池，以高阴极活性物质密度卷绕阴极板。解决方案：在通过将通过卷绕阳极板和阴极板构成的电极板组制成的非水电解质溶液电池中，电极混合物通过隔膜涂覆在集电体的两面上，电解液在壳体中，阴极设置有覆盖有电极混合物的涂覆部分和未涂覆电极混合物并且集电体暴露的未涂覆部分。用于电流收集的引线连接到未涂覆部分，并且绝缘带布置在涂覆部分和未涂覆部分的界面部分处，绝缘带具有仅在一个端部存在的糊剂面的基材面，仅粘贴到未涂覆部分。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007172967A Nonaqueous electrolyte secondary battery 审中-公开
标题翻译：非电解电解质二次电池
公开(公告)号：JP2007172967A
公开(公告)日：2007-07-05
申请号：JP2005367845
申请日：2005-12-21
申请人： Matsushita Electric Ind Co Ltd , Sumitomo Electric Fine Polymer Inc , 住友電工ファインポリマー株式会社 , 松下電器産業株式会社
发明人： YAMAMOTO NORIHIRO , KAWADATE YUTAKA , NAKABAYASHI MAKOTO , EMOTO YASUTAKA , FUJITA RYUHEI
IPC分类号： H01M2/34 , H01M2/02 , H01M10/05 , H01M10/058
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To improve safety of a battery at high temperatures by using an insulating board maintaining its shape even at abnormally high temperatures.
SOLUTION: The nonaqueous electrolyte secondary battery includes a group of electrode consisting of a positive electrode, a negative electrode and a separator disposed between the positive electrode and the negative electrode; a nonaqueous electrolyte; an insulating board arranged at the top and bottom of the group of electrodes; and a battery case having a bottom and an opening at the top for housing the group of the electrodes, the nonaqueous electrolyte and the insulating board, wherein the insulating board is formed of a bridged resin, and the bridging degree of the bridged resin is not less than 25%.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过使用即使在异常高温下保持其形状的绝缘板来提高电池在高温下的安全性。解决方案：非水电解质二次电池包括由正极，负极和设置在正极和负极之间的隔膜组成的电极组; 非水电解质; 布置在电极组的顶部和底部的绝缘板; 以及电池壳体，其具有用于容纳所述电极组，所述非水电解质和绝缘板的顶部的底部和开口，其中所述绝缘板由桥接树脂形成，并且所述桥接树脂的桥接度不是小于25％。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006164773A Lithium ion secondary battery 审中-公开
标题翻译：锂离子二次电池
公开(公告)号：JP2006164773A
公开(公告)日：2006-06-22
申请号：JP2004355137
申请日：2004-12-08
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： KAWADATE YUTAKA , NAGASAKI AKIRA , TAKAGI MASARU , KINOSHITA KAZUNARI
IPC分类号： H01M4/02 , H01M4/13 , H01M4/505 , H01M4/525 , H01M10/05 , H01M10/052 , H01M10/0525 , H01M10/0587
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To structurally prevent the heat generation of a battery when mechanical pressure is applied to the battery toward the inside of the battery, in a nonaqueous secondary battery composed by housing, in an armoring case, an electrode body formed by spirally rolling, by interposing a separator, a positive electrode formed by applying positive electrode active materials to both surfaces of at least a part of a strip-like positive electrode collector, and a negative electrode formed by applying negative electrode active materials to both surfaces of at least a part of a strip-like negative electrode collector and by applying the negative electrode active material on one-side surface of the at least a part continuously to the negative electrode active material both-surface application layers.
SOLUTION: This lithium ion secondary battery is so structured that ends of the negative electrode active material both-surface application layers and the end of the negative electrode active material one-side-surface application layer arranged at the peripheral part of the negative electrode 6 in an electrode body A having a rolled structure are so arranged that a relative angle with respect to the center point of the electrode body A at each region is set not smaller than 5° on a cross section of the electrode body A.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了在结构上防止电池向电池内部施加机械压力时的发热，在由外壳构成的非水二次电池中，在装甲箱中形成电极体通过螺旋卷绕，通过将隔板，通过在正极集电体的至少一部分的两面施加正极活性物质形成的正极和通过将负极活性物质涂覆在两个表面上形成的负极的至少一部分的带状负极集电体，并且通过将负极活性物质连续地施加到至少一部分的一侧表面到负极活性物质两面施加层。解决方案：该锂离子二次电池的结构使得负极活性物质的两面施加层的端部和负极活性物质单面施加层的端部布置在负极的周边部分具有卷绕结构的电极体A中的电极6被布置成使得相对于电极体A的每个区域的中心点的相对角度在电极体A的横截面上设定为不小于5°。 P>版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2003203634A LITHIUM ION SECONDARY BATTERY 审中-公开
公开(公告)号：JP2003203634A
公开(公告)日：2003-07-18
申请号：JP2002310653
申请日：2002-10-25
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： OKOCHI MASAYA , NAGAYAMA MASATOSHI , KAWADATE YUTAKA , TANAKA RYOICHI , ASANO HIDEYA
IPC分类号： H01M10/05 , H01M4/131 , H01M4/36 , H01M4/525 , H01M4/62 , H01M10/0525 , H01M10/0569 , H01M4/58 , H01M4/02 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To provide a lithium ion secondary battery in which capacity degradation due to charging and discharging cycle is suppressed and capacity degradation due to hot temperature storage is reduced and which, thereby, is excellent in reliability. SOLUTION: This is a lithium ion secondary battery which is constructed of a positive electrode, a negative electrode, and a non-aqueous electrolyte, and of which the positive electrode is made of a positive electrode active material, a conductive assistant, and a binder, and the above positive electrode active material is made of a lithium-contained complex oxide that is expressed by the chemical formula Li a (Co 1-x-y Mg x M y ) b O c , (wherein, M is at least one kind selected from Ni and Al, and 0≤a≤1.05, 0.03≤x≤0.15, 0≤y≤0.25, 0.85≤b≤1.1, 1.8≤c≤2.1). And the quantity of the conductive assistant contained in the positive electrode is 3.0 parts weight or less for 100 parts weight of the positive electrode active material. COPYRIGHT: (C)2003,JPO

9. 发明专利

JP2001351682A MACROMOLECULAR SOLID ELECTROLYTE SECONDARY CELL AND MANUFACTURING METHOD OF THE SAME 失效
公开(公告)号：JP2001351682A
公开(公告)日：2001-12-21
申请号：JP2000170119
申请日：2000-06-07
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： KAWADATE YUTAKA , MORIGAKI KENICHI , SAKAI TETSUHISA
IPC分类号： H01M2/16 , H01M10/05 , H01M10/0525 , H01M10/0565 , H01M10/058 , H01M10/40
摘要： PROBLEM TO BE SOLVED: To improve a cycle characteristics of a macromolecular solid electrolyte secondary cell, which comprises a positive electrode including positive electrode activator, a negative electrode including negative electrode activator which stores and releases lithium ions and a macromolecular solid electrolyte layer, by improving the macromolecular solid electrolyte layer, and to keep high productivity. SOLUTION: A macromolecular sheet composed of outer two layers having pores capable of keeping electrolyte solution sufficiently and a middle layer keeping more minute pores is swelled or dissolved by nonaqueous electrolyte and is used as the macromolecular solid electrolyte.

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