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1. 发明专利

JP2008084843A Molding method of metal separator for fuel cell, and metal separator for fuel cell 审中-公开
标题翻译：用于燃料电池的金属分离器的模制方法和用于燃料电池的金属分离器
公开(公告)号：JP2008084843A
公开(公告)日：2008-04-10
申请号：JP2007205505
申请日：2007-08-07
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ASAKAWA YOHEI , KIYOFUJI MASAHIRO , NAKAGAWA KAZUHIKO
IPC分类号： H01M8/02 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a process in a molding method of a metal separator for a fuel cell in which an occurrence of wrinkles in a peripheral part is controlled. SOLUTION: In the molding method of fine grooves which become passages for a fuel gas and an oxidant gas of the metal separator for a fuel cell, and in a process in which fine groove parts are expanded and a molding process in which the fine grooves are made a product shape, die molds are used which have an expanded length of an expansion process upper mold 32 and an expansion process lower mold 33 which are used in the expansion process, which is longer than an expanded length of a molding process upper mold 34 and a molding process lower mold 35 which are used in the molding process, and an expanded length of a material shrinks when compared before and after the molding process. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种燃料电池用金属隔板的成型方法，其中周边部分产生皱纹。解决方案：在成为燃料电池用金属隔板的燃料气体和氧化剂气体的通路的细槽的成型方法中，在细槽部膨胀的工序和成型工序中，精细的槽形成产品形状，使用具有膨胀过程上模32和膨胀过程下模33的膨胀长度的模具，该膨胀过程上模32和膨胀过程下模33在膨胀过程中使用，其长于成型过程的扩展长度上模34和成型工艺下模35，在模制过程之前和之后比较，材料的扩展长度都会收缩。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008282728A Fuel cell, its separator, and its processing method 审中-公开
标题翻译：燃料电池，其分离器及其加工方法
公开(公告)号：JP2008282728A
公开(公告)日：2008-11-20
申请号：JP2007126937
申请日：2007-05-11
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ASAKAWA YOHEI , KIYOFUJI MASAHIRO , NAKAGAWA KAZUHIKO
IPC分类号： H01M8/02 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To obtain a fuel cell with high reliability in which cracks of a corrosion resistant film are suppressed and a variation in groove shape hardly effect power generation efficiency, and its separator and its manufacturing method. SOLUTION: The fuel cell comprises an electrolyte/electrode complex 11, a separator 12 having a power generation part of a shape in which a plurality of grooves are connected, an end plate 9, a fuel gas supply tube 3, a fuel gas exhaust tube 4, an oxidant gas supply tube 5, and an oxidant gas exhaust tube 6. The electrolyte/electrode complex 11 and the separator 12 are alternately laminated, and recessed parts 18 are formed at both ends of a portion where the power generation part of the separator 12 contacts with the electrolyte/electrode complex 11. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得耐腐蚀膜的裂纹被抑制并且凹槽形状的变化几乎不影响发电效率的高可靠性的燃料电池及其隔板及其制造方法。解决方案：燃料电池包括电解质/电极复合体11，具有连接多个槽的形状的发电部的隔板12，端板9，燃料气体供给管3，燃料排气管4，氧化剂气体供给管5和氧化剂排气管6.电解质/电极复合体11和隔板12交替层叠，在发电部的两端形成有凹部18 分离器12的一部分与电解质/电极复合体11接触。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2007149478A Fuel cell, metal separator, method of manufacturing same, and die 审中-公开
标题翻译：燃料电池，金属分离器，制造方法和DIE
公开(公告)号：JP2007149478A
公开(公告)日：2007-06-14
申请号：JP2005341555
申请日：2005-11-28
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ASAKAWA YOHEI , KIYOFUJI MASAHIRO
IPC分类号： H01M8/02 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a fuel cell composed by increasing the contact area of a metal separator with an electrolyte-electrode assembly, and by reducing contact resistance thereof. SOLUTION: The fuel cell includes: the electrolyte-electrode assembly 11 with an anode electrode and a cathode electrode arranged on the front and back surfaces of an electrolyte membrane; and the metal separator 12 made of a metal thin plate with minute grooves formed on its front and backsides. In the fuel cell, the metal separator 12 has parallel parts 16 and slope parts 15 formed by press forming; the parallel parts 16 contact the electrolyte-electrode assembly 11; and, on a surface opposite to the electrolyte-electrode assembly contact surface of an angular part 18 of each parallel part connected to the slope part 15, a recess 19 having a depth equivalent to a plate thickness reduction amount of the angular part 18 is formed. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过增加金属隔板与电解质电极组件的接触面积以及通过降低其接触电阻而构成的燃料电池。解决方案：燃料电池包括：电解质 - 电极组件11，其具有布置在电解质膜的前表面和后表面上的阳极电极和阴极电极; 金属隔板12由金属薄板制成，在其正面和背面形成有微小凹槽。在燃料电池中，金属隔板12具有平行部16和通过冲压成形形成的倾斜部15; 平行部分16接触电解质 - 电极组件11; 并且在与斜面部15连接的每个平行部分的角部18的电解质 - 电极组件接触表面相对的表面上形成具有与角部18的板厚减小量相当的深度的凹部19 。版权所有（C）2007，JPO＆INPIT

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