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1. 发明专利

JP2012104318A Flat nonaqueous secondary battery 有权
标题翻译：平板非正常二次电池
公开(公告)号：JP2012104318A
公开(公告)日：2012-05-31
申请号：JP2010250761
申请日：2010-11-09
申请人： Hitachi Maxell Energy Ltd , 日立マクセルエナジー株式会社
发明人： TAKAI TOKU , KANAI SUETSUGU , FUJIKAWA KAZUHIRO
IPC分类号： H01M10/0585 , H01M2/16 , H01M2/18 , H01M2/26 , H01M2/30 , H01M10/0566
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a flat nonaqueous secondary battery having high reliability.SOLUTION: The flat nonaqueous secondary battery comprises an electrode group which comprises at least one positive electrode and at least one negative electrode layered alternately with separators interposed and approximately parallel to flat faces of an exterior case and a sealing case in a space formed by caulking the exterior case and the sealing case with an insulating gasket, and in which the total number of the positive electrode and the negative electrode is 3 or larger; and a nonaqueous electrolyte. All current collector tabs of the positive electrode or the negative electrode are collected and welded to be integrated, and the shortest distance between a weld mark of the integrated current collector tabs to the inner surface of the exterior case or the sealing case and the edge of the integrated current collector tabs in the direction of the width is 0.5 mm or shorter.
摘要翻译：要解决的问题：提供一种具有高可靠性的扁平非水二次电池。扁平非水二次电池包括电极组，其包括至少一个正电极和至少一个负电极，交替地层叠有分隔件并且大致平行于外部壳体的平面和形成的空间中的密封壳体通过用绝缘垫圈铆接外壳和密封壳，其中正极和负极的总数为3或更大; 和非水电解质。收集并焊接正极或负极的所有集流片，使之集成，集成集电片的焊接标记与外壳或密封壳的内表面之间的最短距离和集成集电片在宽度方向上为0.5mm或更短。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2012104319A Flat nonaqueous secondary battery 有权
标题翻译：平板非正常二次电池
公开(公告)号：JP2012104319A
公开(公告)日：2012-05-31
申请号：JP2010250768
申请日：2010-11-09
申请人： Hitachi Maxell Energy Ltd , 日立マクセルエナジー株式会社
发明人： TAKAI TOKU , KANAI SUETSUGU
IPC分类号： H01M10/0585 , H01M2/16 , H01M2/18 , H01M2/26 , H01M2/30 , H01M10/0566
CPC分类号： Y02E60/12
摘要： PROBLEM TO BE SOLVED: To provide a flat nonaqueous secondary battery having high reliability.SOLUTION: The flat nonaqueous secondary battery comprises an electrode group which comprises at least one positive electrode and at least one negative electrode layered alternately with separators interposed and approximately parallel to flat faces of an exterior case and a sealing case in a space formed by caulking the exterior case and the sealing case with an insulating gasket, and in which the total number of the positive electrode and the negative electrode is 3 or larger; and a nonaqueous electrolyte. All current collector tabs of the positive electrode or the negative electrode are collected and welded to be integrated. The portion of the area where the current collector tabs are welded to each other in the integrated current collector tabs, nearest to the main portion of the positive electrode or the negative electrode, is located at a position other than the edge of the integrated current collector tabs in the direction of the width.
摘要翻译：要解决的问题：提供具有高可靠性的扁平非水二次电池。扁平非水二次电池包括电极组，其包括至少一个正电极和至少一个负电极，交替地层叠有分隔件并且大致平行于外部壳体的平面和形成的空间中的密封壳体通过用绝缘垫圈铆接外壳和密封壳，其中正极和负极的总数为3或更大; 和非水电解质。收集和焊接正电极或负电极的所有集流片，以便集成。在集电极集电极片中最靠近正电极或负电极的主要部分的集电极片彼此焊接的区域的部分位于集成集电极的边缘以外的位置标签在宽度方向。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012053987A Battery and manufacturing method therefor 有权
标题翻译：电池及其制造方法
公开(公告)号：JP2012053987A
公开(公告)日：2012-03-15
申请号：JP2010193048
申请日：2010-08-31
申请人： Hitachi Maxell Energy Ltd , 日立マクセルエナジー株式会社
发明人： KANAI SUETSUGU
IPC分类号： H01M10/052 , H01M6/16 , H01M10/0585
CPC分类号： Y02P70/54
摘要： PROBLEM TO BE SOLVED: To provide a battery having high reliability and excellent productivity, and provide a manufacturing method for the battery.SOLUTION: A battery is provided with an electrode group in which a plurality of cathodes and a plurality of anodes are laminated. The cathode has a body part and a current collection tab part that is narrower than the body part, and is projected from the body part, and separators having a main body part covering the body part of the cathode and an extension part are disposed at both faces of the cathode having a cathode mixture layer at both sides of a collector. The two separators have a junction with at least a portion of a peripheral part welded to each other, and the main body part of one of the separators is substantially parallel to the cathode surface. The outer periphery of the collector in the body part of the cathode projects from the outer edge of the cathode mixture layer, and the outer periphery bends toward the side of the separator substantially parallel to the cathode surface. The battery can be manufactured by a manufacturing method in which a surface in contact with a punch in the cathode at the time of punching out with a punch and a die is set to be the separator side substantially parallel to the cathode side.
摘要翻译：要解决的问题：提供一种具有高可靠性和优异生产率的电池，并提供一种电池的制造方法。解决方案：电池设置有多个阴极和多个阳极层叠的电极组。阴极具有比主体部分窄的身体部分和电流收集片部分，并且从主体部分突出，并且具有覆盖阴极的主体部分的主体部分和延伸部分的分隔件设置在两者阴极的表面在集电体的两侧具有阴极混合层。两个分离器具有彼此焊接的周边部分的至少一部分的接合部，并且一个分离器的主体部分基本上平行于阴极表面。阴极主体部分的集电体的外周从阴极混合层的外缘突出，外周向基板平行于阴极面的侧面弯曲。电池可以通过制造方法制造，其中在用冲头和模具冲压出时与阴极中的冲头接触的表面被设定为基本上平行于阴极侧的分离器侧。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2012064313A Battery 有权
标题翻译：电池
公开(公告)号：JP2012064313A
公开(公告)日：2012-03-29
申请号：JP2010204998
申请日：2010-09-14
申请人： Hitachi Maxell Energy Ltd , 日立マクセルエナジー株式会社
发明人： KANAI SUETSUGU
IPC分类号： H01M2/26 , H01M4/06 , H01M4/13 , H01M6/16 , H01M10/0566 , H01M10/0585
CPC分类号： Y02E60/122
摘要： PROBLEM TO BE SOLVED: To provide a battery with high reliability and excellent productivity.SOLUTION: A battery is provided with an electrode group that has a plurality of positive electrodes and a plurality of negative electrodes laminated alternately through a separator and in which at least one of the electrodes located in the outermost part is a negative electrode, and an electrolyte. The negative electrodes have a body part and a current collection tab part that projects from the body part in a plan view and has narrower width than that of the body part. Negative electrode mixture layers are formed in both sides of the negative electrodes other than the negative electrode on the outermost part side of the electrode group, and the negative electrode mixture layer is not formed in a collector of the current collection tab part. The negative electrode located on the outermost part side of the electrode group has a negative electrode mixture layer formed only on the surface opposite to the outermost part side of the electrode group in the body part, and the negative electrode mixture layer is not formed in collectors of the surface of the outermost part side and the current collection tab part of the electrode group in the body part, and the outer peripheral part of the collectors cover at least a portion of end surface of the negative electrode mixture layers.
摘要翻译：要解决的问题：提供具有高可靠性和优异生产率的电池。解决方案：电池设置有具有多个正电极和多个负电极的电极组，所述多个负极交替地通过隔板层压，并且其中位于最外部的至少一个电极是负电极，和电解质。负极具有主体部和集电凸片部，其在平面图中从主体部突出，并且具有比主体部的宽度更窄的宽度。在电极组的最外侧的负极以外的负极的两侧形成有负极混合层，负极合剂层不形成在集电片部的集电体中。位于电极组的最外侧的负极具有仅在与主体部的电极组的最外部侧相反的面上形成的负极混合层，负极混合层不形成于集电体的主体部的最外侧的表面和电极组的集流片部分，集电体的外周部覆盖负极混合层的端面的至少一部分。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012048989A Laminated type battery 有权
标题翻译：层压式电池
公开(公告)号：JP2012048989A
公开(公告)日：2012-03-08
申请号：JP2010190085
申请日：2010-08-26
申请人： Hitachi Maxell Energy Ltd , 日立マクセルエナジー株式会社
发明人： KANAI SUETSUGU , FUJIKAWA KAZUHIRO
IPC分类号： H01M2/26 , H01M2/02 , H01M2/34 , H01M10/04 , H01M10/0585
CPC分类号： H01M2/347 , H01M2/14 , H01M2/18 , H01M2/266 , H01M6/46 , H01M10/0413 , H01M10/0427 , H01M10/0436 , H01M10/0463 , H01M10/0525 , H01M10/0585 , Y02E60/122
摘要： PROBLEM TO BE SOLVED: To obtain a structure capable of preventing the occurrence of short circuit at a breaking part even when impact is added to break a connecting portion of an electrode, in a laminated type battery.SOLUTION: A laminated type battery comprises a negative electrode (46) and a positive electrode (41). The negative electrode (46) has a negative electrode body portion (50) and a negative electrode lead (52), and on the other hand, the positive electrode (41) has a positive electrode body portion (45) and a positive electrode lead (51). Concerning the negative electrode (46) and the positive electrode (41), the negative electrode body portion (50) and the positive electrode body portion (45) are laminated in a thickness direction so as to make the negative electrode lead (52) and the positive electrode lead (51) extend in different directions in a plane view. The positive electrode lead (51) is fixed on a positive can (20). The positive electrode lead (51) is provided with a breaking part (X) which breaks when impact is added on the negative electrode (46) and the positive electrode (41), at an outside position of the negative electrode body portion (50) in the plane view, while the negative electrode (46) and the positive electrode (41) are superimposed with each other.
摘要翻译：解决的问题：为了获得能够防止即使在冲击时在断裂部分发生短路的结构来破坏电极的连接部分的结构，也可以在叠层型电池中。解决方案：层压型电池包括负极（46）和正极（41）。负极（46）具有负极体部（50）和负极引线（52），另一方面，正极（41）具有正极体部（45）和正极引线（51）。关于负极（46）和正极（41），负极体部（50）和正极体部（45）在厚度方向上层叠，以使负极引线（52）和正极引线（51）在平面图中沿不同方向延伸。正极引线（51）固定在正极（20）上。正极引线（51）设置有在负极体部（50）的外侧位置在负极（46）和正极（41）上添加冲击时断裂的断开部（X）在平面图中，负极（46）和正极（41）彼此重合。版权所有（C）2012，JPO＆INPIT

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