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    • 1. 发明专利
    • Fuel cell
    • 燃料电池
    • JP2013089517A
    • 2013-05-13
    • JP2011230229
    • 2011-10-20
    • Honda Motor Co Ltd本田技研工業株式会社
    • SUGIURA SEIJISHINKAI HIROSHITANAKA KENICHIKAWAHARADA MIHOKOURATA KENTATANAKA YUKITOKATO TAKASHI
    • H01M8/02H01M8/10H01M8/24
    • H01M8/242H01M8/0247H01M8/0273H01M8/0297H01M8/2465H01M2008/1095Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell which has a resin-made frame member installed around the outer periphery of a solid polymer electrolyte membrane and which ensures that a level difference part of a level differentiated type MEA will not be subjected to excessive load.SOLUTION: A resin frame-fitted electrolyte membrane-electrode structure 12 comprises: a level differentiated type MEA 12a which includes a cathode electrode 20 and an anode electrode 22 holding a solid polymer electrolyte membrane 18 in between; and a resin-made frame member 24 which encircles the outer periphery of the solid polymer electrolyte membrane 18. The resin frame-fitted electrolyte membrane-electrode structure 12 includes: a power generation section 46, located in an internal space of the resin-made frame member 24, which sandwiches the solid polymer electrolyte membrane 18 between the cathode electrode 20 and the anode electrode 22; and a level difference section 48, located outside the cathode electrode 20, which sandwiches the solid polymer electrolyte membrane 18 between the anode electrode 22 and a thin wall portion 24c of the resin-made frame member 24. Then, when fuel cells 10 are laminated one on another, an interference in the level difference section 48 is set to a dimension smaller than an interference in the power generation section 46.
    • 解决的问题:提供一种燃料电池,其具有安装在固体聚合物电解质膜的外周周围的树脂制框架构件,并且确保水平差分型MEA的水平差部分不会受到影响 过载 解决方案:装有树脂框架的电解质膜 - 电极结构12包括:含有阴极电极20和保持固体聚合物电解质膜18的阳极电极22的电平差分型MEA 12a; 以及环绕固体高分子电解质膜18的外周的树脂制框架构件24.树脂框架配合电解质膜 - 电极结构12包括:发电部46,其位于树脂制的 框架构件24,其将固体聚合物电解质膜18夹在阴极电极20和阳极电极22之间; 以及位于阴极电极20外侧的电平差值部分48,其将固体聚合物电解质膜18夹在阳极电极22和树脂制框架部件24的薄壁部分24c之间。然后,当燃料电池10层压时 另一方面,电平差部分48中的干扰被设定为小于发电部分46中的干扰的尺寸。(C)版权所有:(C)2013,JPO&INPIT
    • 2. 发明专利
    • 燃料電池
    • 燃料电池
    • JP2015035357A
    • 2015-02-19
    • JP2013166140
    • 2013-08-09
    • 本田技研工業株式会社Honda Motor Co Ltd
    • YAMAZAKI KEIKOMORI MASAHIROFURUYAMA MASATAKAUEHARA JUNJIIWAIDA MANABUKAWAHARADA MIHOKO
    • H01M8/02H01M8/10
    • Y02E60/521
    • 【課題】燃料電池において、固体高分子膜からなる電解質膜の良好なプロトン伝導を確保しつつ、該電解質膜が劣化することを回避する。【解決手段】燃料電池となる単位セル10aは、電解質膜・電極構造体18aの外周を囲繞する樹脂製枠体28を有する。例えば、電解質膜・電極構造体18aを構成するカソード電極14の第1ガス拡散層20及び第1電極触媒層22と前記樹脂製枠体28、第1電極触媒層22と電解質膜12、電解質膜12とアノード電極16の第2電極触媒層26とは、接着剤46を介して接合される。この接着剤46は、過酸化水素又はラジカルの少なくともいずれかを分解可能なクエンチャ48を含有する。【選択図】図1
    • 要解决的问题:为了避免电解质膜的劣化,同时确保由固体聚合物膜组成的电解质膜在燃料电池中的优异的质子传导。解决方案:成为燃料电池的单元电池10a具有环绕的树脂框架28 电解质膜/电极结构18a的外周。 例如,构成电解质膜/电极结构18a的阴极电极14的第一气体扩散层20和第一电极催化剂层22以及树脂框架28,第一电极催化剂层22和电解质膜12以及电解质膜 12和阳极电极16的第二电极催化剂层26通过粘合剂46粘合。粘合剂46含有能够分解过氧化氢和自由基中的至少一种的猝灭剂48。
    • 3. 发明专利
    • Membrane electrode assembly for solid polymer fuel cell
    • 用于固体聚合物燃料电池的膜电极组件
    • JP2010272347A
    • 2010-12-02
    • JP2009123084
    • 2009-05-21
    • Honda Motor Co Ltd本田技研工業株式会社
    • GAMACHI ATSUSHIASANO YOICHIKAWAHARADA MIHOKO
    • H01M4/86H01M4/92H01M8/02H01M8/10
    • H01M8/1004H01M4/8626H01M4/8673H01M4/92
    • PROBLEM TO BE SOLVED: To suppress reduction in performance of a fuel cell, by suppressing carbon corrosion of a cathode under a high potential condition of the cathode of a solid polymer fuel cell. SOLUTION: A membrane electrode structural body is formed, by laminating an anode catalyst layer and a diffusion layer on one face of a polymer electrolyte membrane, and by laminating a cathode catalyst layer and the diffusion layer on the other face of the polymer electrolyte membrane. The cathode catalyst layer contains at least a proton conductive material and platinum powders, or platinum alloy powders which does not have carbon carrier, and is made of a carbon base material. A cathode isolated layer is installed between the cathode catalyst layer and the cathode diffusion layer and at a position in contact with the cathode catalyst layer, and at least an electron conductive material is contained in the cathode isolated layer. The electron conducting material is made of metal oxide or graphitized carbon having R-value (the ratio I D /I G of the peak intensity I D of the D band with respect to the peak intensity I G of the G band, when carbon is measured by Raman spectrometroscopy) of less than 1.18. COPYRIGHT: (C)2011,JPO&INPIT
    • 解决问题:通过在固体高分子型燃料电池的阴极的高电位条件下抑制阴极的碳腐蚀来抑制燃料电池的性能降低。 解决方案:通过在聚合物电解质膜的一个面上层叠阳极催化剂层和扩散层,并且通过在聚合物的另一面上层叠阴极催化剂层和扩散层来形成膜电极结构体 电解质膜。 阴极催化剂层至少含有质子传导材料和不含碳载体的铂粉末或铂合金粉末,并且由碳基材料制成。 阴极隔离层安装在阴极催化剂层和阴极扩散层之间以及与阴极催化剂层接触的位置,至少在阴极隔离层中含有电子传导材料。 电子导电材料由具有R值(峰值强度I SB> D D / I G 的金属氧化物或石墨化碳制成 G带的峰值强度I G 的D波段],小于1.18,当碳通过拉曼光谱法测量时)。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Fuel cell
    • 燃料电池
    • JP2013098044A
    • 2013-05-20
    • JP2011240367
    • 2011-11-01
    • Honda Motor Co Ltd本田技研工業株式会社
    • SUGIURA SEIJISHINKAI HIROSHITANAKA KENICHIKAWAHARADA MIHOKOURATA KENTATANAKA YUKITOKATO TAKASHI
    • H01M8/02H01M4/86H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To prevent excessive load on a solid polymer electrolyte membrane positioned in a resin-impregnated portion when a fuel cell is fastened, and to reliably prevent a decrease in durability of the solid polymer electrolyte membrane.SOLUTION: A fuel cell 10 includes: an electrolyte membrane/electrode structure 12 that has a cathode electrode 20, and an anode electrode 22, that sandwich a solid polymer electrolyte membrane 18 therebetween; and a cathode separator 14, and an anode separator 16, that sandwich the electrolyte membrane/electrode structure 12 therebetween. The electrolyte membrane/electrode structure 12 has a power generation section 46 and a resin-impregnated-portion periphery section 48. On an outer peripheral edge thereof having contact with the electrolyte membrane/electrode structure 12, the cathode separator 14 has a depression 14c that houses the resin-impregnated-portion periphery section 48. On an outer peripheral edge thereof having contact with the electrolyte membrane/electrode structure 12, the anode separator 16 has a depression 16c that houses the resin-impregnated-portion periphery section 48.
    • 要解决的问题:为了防止当固定燃料电池时位于树脂浸渍部分中的固体聚合物电解质膜过度负荷,并且可靠地防止固体聚合物电解质膜的耐久性降低。 解决方案:燃料电池10包括:具有阴极电极20的电解质膜/电极结构12和在其间夹着固体聚合物电解质膜18的阳极电极22; 以及将电解质膜/电极结构体12夹在其间的阴极隔板14和阳极隔板16。 电解质膜/电极结构体12具有发电部46和树脂浸渍部周边部48.在与电解质膜/电极结构体12接触的外周缘上,阴极隔板14具有凹部14c, 容纳树脂浸渍部周边部48.在与电解质膜/电极结构体12接触的外周缘上,阳极隔板16具有容纳树脂浸渍部周边部48的凹部16c。

      版权所有(C)2013,JPO&INPIT

    • 5. 发明专利
    • Fuel cell
    • 燃料电池
    • JP2013084353A
    • 2013-05-09
    • JP2011221579
    • 2011-10-06
    • Honda Motor Co Ltd本田技研工業株式会社
    • MATSUI AKIHIROSUMI HIDEAKISUGIURA SEIJIKATO TAKASHIKAWAHARADA MIHOKO
    • H01M8/02H01M4/86H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To ensure excellent power generation performance by preventing damage on a solid polymer electrolyte membrane as much as possible with an easy and simple configuration.SOLUTION: An electrolyte membrane/electrode structure 12 configuring a fuel cell 10 includes a cathode electrode 20 and an anode electrode 22 arranged on both surfaces of a solid polymer electrolyte membrane 18. The cathode electrode 20 is provided with a first catalyst layer 20a and a first gas diffusion layer 20b, and the anode electrode 22 is provided with a second catalyst layer 22a and a second gas diffusion layer 22b. The plane of the first gas diffusion layer 20b has dimensions set larger than those of the plane of the second gas diffusion layer 22b, and set equal to those of the plane of the solid polymer electrolyte membrane 18. The first catalyst layer 20a is provided over the entire outer peripheral edge of the first gas diffusion layer 20b while including a part corresponding to a buffer part.
    • 要解决的问题:为了通过简单且简单的配置尽可能地防止固体聚合物电解质膜的损坏来确保优异的发电性能。 解决方案:构成燃料电池10的电解质膜/电极结构12包括设置在固体高分子电解质膜18的两个表面上的阴极电极20和阳极电极22.阴极电极20设置有第一催化剂层 20a和第一气体扩散层20b,并且阳极电极22设置有第二催化剂层22a和第二气体扩散层22b。 第一气体扩散层20b的平面的尺寸设定为大于第二气体扩散层22b的平面的尺寸,并且设定为与固体高分子电解质膜18的平面相同的尺寸。第一催化剂层20a设置在 同时包括对应于缓冲部分的部分的第一气体扩散层20b的整个外围边缘。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Electrolyte membrane/electrode structure
    • 电解质膜/电极结构
    • JP2014123556A
    • 2014-07-03
    • JP2013218805
    • 2013-10-22
    • Honda Motor Co Ltd本田技研工業株式会社
    • FUKUMIZU TAKAOMATSUMORI HIROSHIYAMAWAKI TAKUMAASANO YOICHIKAWAHARADA MIHOKO
    • H01M4/86H01M8/02H01M8/10
    • H01M4/8605H01M4/8657H01M8/1007H01M2008/1095H01M2250/20Y02T90/32
    • PROBLEM TO BE SOLVED: To provide an electrolyte membrane/electrode structure capable of suppressing physical deformation of an electrolyte membrane with a simple configuration and obtaining excellent power generation characteristics.SOLUTION: An electrolyte membrane/electrode structure (12) is constituted by holding an electrolyte membrane (24) formed of a solid polymer membrane between a pair of electrodes (26, 28). The pair of electrodes (26, 28) have electrode catalyst layers (30, 38) facing the electrolyte membrane (24) and gas diffusion layers (32, 40), respectively. Porous layers (34, 42) having a thickness of 5-40 μm and a seepage pressure of 10-60 kPa are interposed between the electrode catalyst layers (30, 38) and the gas diffusion layers (32, 40). The preferable spring constant of the porous layers (34, 42) is 100-1000 GPa/m. Either of the porous layers (34, 42) may be omitted.
    • 要解决的问题:提供能够以简单的结构抑制电解质膜的物理变形并获得优异的发电特性的电解质膜/电极结构。解决方案:电解质膜/电极结构(12)通过保持电解质 在一对电极(26,28)之间由固体聚合物膜形成的膜(24)。 一对电极(26,28)分别具有面向电解质膜(24)和气体扩散层(32,40)的电极催化剂层(30,38)。 在电极催化剂层(30,38)和气体扩散层(32,40)之间插入厚度为5-40μm,渗透压力为10-60kPa的多孔层(34,42)。 多孔层(34,42)的优选弹簧常数为100-1000GPa / m。 可以省略多孔层(34,42)中的任何一个。
    • 7. 发明专利
    • Fuel cell
    • 燃料电池
    • JP2013098043A
    • 2013-05-20
    • JP2011240366
    • 2011-11-01
    • Honda Motor Co Ltd本田技研工業株式会社
    • SUGIURA SEIJISHINKAI HIROSHITANAKA KENICHIKAWAHARADA MIHOKOURATA KENTATANAKA YUKITOKATO TAKASHI
    • H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To prevent excessive load on an outer peripheral end of an electrode catalyst layer when a fuel cell is fastened, and to reliably prevent damage to a solid polymer electrolyte membrane.SOLUTION: An electrolyte membrane/electrode structure 12 with protective films includes: an MEA 12a that has a cathode electrode 20, and an anode electrode 22, that sandwich a solid polymer electrolyte membrane 18 therebetween; and protective films 24a and 24b that are bonded to an outer peripheral end edge part of the solid polymer electrolyte membrane 18. The electrolyte membrane/electrode structure 12 with protective films has a power generation section 46 and an edge periphery section 48. On an outer peripheral edge thereof having contact with the MEA 12a, a cathode separator 14 has a depression 14c that houses the edge periphery section 48 including an outer peripheral end 20ae. On an outer peripheral edge thereof having contact with the MEA 12a, an anode separator 16 has a depression 16c that houses the edge periphery section 48 including an outer peripheral end 22ae.
    • 要解决的问题:为了防止燃料电池被紧固时的电极催化剂层的外周端的过度负荷,并且可靠地防止对固体高分子电解质膜的损坏。 解决方案:具有保护膜的电解质膜/电极结构12包括:具有阴极电极20的MEA 12a和在其间夹着固体聚合物电解质膜18的阳极电极22; 以及与固体高分子电解质膜18的外周端部边缘部分接合的保护膜24a,24b。具有保护膜的电解质膜/电极结构体12具有发电部46和边缘部48。 其外缘与MEA 12a接触,阴极隔板14具有容纳包括外周端20ae的边缘部48的凹部14c。 在与MEA 12a接触的外周边缘上,阳极隔板16具有容纳包括外周端部22ae的边缘部48的凹部16c。 版权所有(C)2013,JPO&INPIT