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    • 1. 发明专利
    • Method of producing core-shell catalyst particle, and core-shell catalyst particle produced by the production method
    • 生产核壳催化剂颗粒的方法和生产方法生产的核壳催化剂颗粒
    • JP2012016684A
    • 2012-01-26
    • JP2010156993
    • 2010-07-09
    • Toyota Motor Corpトヨタ自動車株式会社
    • TAKEHIRO NAOKIKIMURA HIROKOARAI TATSUYAIIO ATSUO
    • B01J37/02B01J23/44H01M4/88H01M4/90H01M8/10
    • B82Y30/00B01J13/02B01J13/206B01J23/8913B01J23/8926B01J35/008B01J37/348H01M4/921H01M4/925H01M4/926
    • PROBLEM TO BE SOLVED: To provide a method of producing a core-shell catalyst particle, and the core-shell catalyst particle produced by the production method.SOLUTION: The method is provided for producing the core-shell catalyst particle, including a core and a shell for coating the core. The method includes: a step of preparing a core particle containing an alloy, which contains a first core metal material having a standard electrode potential of ≥0.6 V, and which contains a second core metal material having a standard electrode potential lower than that of the first core metal material; a step of eluting the second core metal material at least on a surface of the core particle, on conditions that an equilibrium of the first core metal material is maintained between a metal state and a hydroxide, and the equilibrium of the second core metal material is maintained between the metal state and a metal ion; and a step of coating the core with the shell using the core particle as the core after the elution step of the second core metal material.
    • 要解决的问题:提供一种制备核 - 壳催化剂颗粒的方法和通过该制备方法制备的核 - 壳催化剂颗粒。 解决方案:该方法用于生产核 - 壳催化剂颗粒,包括用于涂覆芯的芯和壳。 该方法包括:制备含有合金的核心颗粒的步骤,该合金含有标准电极电位≥0.6V的第一芯金属材料,并且其含有标准电极电位低于 第一芯金属材料; 至少在核心颗粒表面上洗脱第二核心金属材料的步骤,在第一核心金属材料的平衡保持在金属状态和氢氧化物之间的条件下,以及第二核心金属材料的平衡为 保持在金属状态和金属离子之间; 以及在第二芯金属材料的洗脱步骤之后,使用核心粒子作为核心,用壳体涂覆芯部的步骤。 版权所有(C)2012,JPO&INPIT
    • 2. 发明专利
    • Manufacturing method and manufacturing device of member for fuel cell
    • 燃料电池组件的制造方法和制造装置
    • JP2009093960A
    • 2009-04-30
    • JP2007264616
    • 2007-10-10
    • Toyota Motor Corpトヨタ自動車株式会社
    • KIMURA HIROKOTAKEHIRO NAOKITANIGUCHI TAKUMI
    • H01M8/02H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To manufacture an integrally-formed member of an electrolyte membrane-electrode assembly, a gas diffusion layer, and a seal member while suppressing damage of the electrolyte membrane-electrode assembly and the gas diffusion layer. SOLUTION: An MEAG 20 formed with an electrolyte membrane-electrode assembly 23 and gas diffusion layers 22, 24 is interposed between an upper mold 60a and a lower mold 60b of a seal integral assembly manufacturing device 100 such that the tip is placed in a cavity 64. A material for a seal part 50 is injected into the cavity 64, heated with heaters 65a, 65b, and a seal part 50 is formed by crosslinking reaction or the like. At that time, cooling water is circulated through cooling water passages 66a, 66b formed in a cooling band 63a of the upper mold 60a and a cooling band 63b of the lower mold 60b, humidified air is circulated through humidifying passages 68a, 68b to humidify the MEAG 20. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了制造电解质膜 - 电极组件,气体扩散层和密封构件的整体形成构件,同时抑制电解质膜 - 电极组件和气体扩散层的损坏。 解决方案:形成有电解质膜 - 电极组件23和气体扩散层22,24的MEAG 20插入在密封整体组件制造装置100的上模具60a和下模具60b之间,使得尖端被放置 在空腔64中。用于密封部分50的材料被注入空腔64中,用加热器65a,65b加热,并且通过交联反应等形成密封部分50。 此时,冷却水通过形成在上模具60a的冷却带63a和下模具60b的冷却带63b中的冷却水通道66a,66b循环,加湿空气通过加湿通道68a,68b循环以加湿 MEAG 20.版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Electrolyte membrane degradation deciding method, and electrolyte membrane degradation deciding device
    • 电解质膜降解方法和电解质膜降解决定装置
    • JP2009016101A
    • 2009-01-22
    • JP2007174796
    • 2007-07-03
    • Toyota Motor Corpトヨタ自動車株式会社
    • KIMURA HIROKOTANIGUCHI TAKUMI
    • H01M8/04H01B13/00H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a technology capable of deciding degradation of various kinds of electrolyte membranes used for a fuel cell.
      SOLUTION: The electrolyte membrane degradation deciding device 100 is provided with a first gas supply exhaust system supplying first gas to a first electrode of the fuel cell 10 and exhausting the first gas exhausted from the fuel cell 10, a second gas supply exhaust system supplying second gas humidified to have higher vapor density than the first gas to the second electrode of the fuel cell 10 and exhausting the second gas exhausted from the fuel cell 10 out to the atmosphere, and a decision part 70 for deciding degradation of the electrolyte membrane. The decision part 70 calculates transferred moisture volume transferred from the second electrode to the first electrode based on a difference of a moisture content of the first gas supplied to the fuel cell 10 and a moisture content of the first gas exhausted from the fuel cell 10, and decides on degradation of the electrolyte membrane based on the transferred moisture volume calculated.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够判定用于燃料电池的各种电解质膜的劣化的技术。 解决方案:电解质膜劣化判定装置100设置有第一气体供给排气系统,其向燃料电池10的第一电极提供第一气体并排出从燃料电池10排出的第一气体,第二气体供给排气 系统,将第二气体加湿至比第一气体高的燃料电池10的第二电极的蒸气密度,并将从燃料电池10排出的第二气体排出到大气中;判定部70,判定电解质的劣化 膜。 判定部70基于供给到燃料电池10的第一气体的含水量和从燃料电池10排出的第一气体的含水量的差异,计算从第二电极传递到第一电极的转移水分体积, 并根据所计算的转移水分含量来决定电解质膜的降解。 版权所有(C)2009,JPO&INPIT
    • 7. 发明专利
    • Film electrode assembly for fuel battery use, and fuel battery
    • 用于燃料电池的薄膜电极组件和燃料电池
    • JP2014078356A
    • 2014-05-01
    • JP2012224488
    • 2012-10-09
    • Toyota Motor Corpトヨタ自動車株式会社
    • KANEKO KEIICHITANIGUCHI TAKUMIKIMURA HIROKO
    • H01M4/86H01M4/90H01M4/92H01M8/02H01M8/10
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a film electrode assembly for fuel battery use which enables the improvement of the durability of a fuel battery and the enhancement of the power generation performance thereof, and to provide a fuel battery having such a film electrode assembly for fuel battery use.SOLUTION: A film electrode assembly for fuel battery use comprises: an electrolytic film; a fuel electrode provided on one surface of the electrolytic film; and an oxidant electrode provided on the other surface of the electrolytic film. The oxidant electrode has an oxidant electrode catalyst layer including a first catalyst layer and a second catalyst layer which are laminated from the side of the electrolytic film in turn. The first catalyst layer includes core-shell catalyst particles each including a core particle containing at least one selected from palladium and a palladium alloy and an outermost layer covering the core particle and containing platinum. The second catalyst layer includes at least one kind of platinum catalyst particles selected from platinum particles and platinum alloy particles.
    • 要解决的问题:为了提供一种能够提高燃料电池的耐久性和提高发电性能的燃料电池用电极组件,并且提供具有这样的燃料电池组件的燃料电池 电池使用。解决方案:用于燃料电池的薄膜电极组件包括:电解膜; 设置在电解膜的一个表面上的燃料电极; 以及设置在电解膜的另一个表面上的氧化剂电极。 氧化剂电极具有从电解质膜的侧面依次层叠的包含第一催化剂层和第二催化剂层的氧化剂电极催化剂层。 第一催化剂层包括核 - 壳催化剂颗粒,每个核 - 壳催化剂颗粒包括含有选自钯和钯合金中的至少一种的芯颗粒和覆盖芯颗粒并含有铂的最外层。 第二催化剂层包括选自铂颗粒和铂合金颗粒中的至少一种铂催化剂颗粒。
    • 9. 发明专利
    • Fuel cell system and manufacturing method of fuel cell
    • 燃料电池系统及其制造方法
    • JP2008066247A
    • 2008-03-21
    • JP2006245872
    • 2006-09-11
    • Toyota Motor Corpトヨタ自動車株式会社
    • MORITA AKIRAYOSHIDA TOSHIHIKOKIMURA HIROKO
    • H01M8/04H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a technology for improving adhesiveness between a catalyst electrode layer and an electrolyte membrane, in an MEA of a fuel cell. SOLUTION: The fuel cell system is provided with a fuel cell and the fuel cell is provided with an electrolyte membrane, a first catalyst electrode layer which contains an electrolyte and is formed on one surface of the electrolyte membrane and a second catalyst electrode layer formed on the opposite surface of the electrolyte membrane. The fuel cell system has a gas supplying part which supplies, when in a usual operation, oxide gas to the first catalyst electrode layer and supplies fuel gas to the second catalyst electrode layer to generate power with the first catalyst electrode layer as a cathode and the second catalyst electrode layer as an anode, and supplies, when in an unusual operation, the fuel gas to the first catalyst electrode layer and the oxide gas to the second catalyst electrode layer to generate power with the first catalyst electrode layer as the anode and the second catalyst electrode layer as the cathode. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种在燃料电池的MEA中提高催化剂电极层和电解质膜之间的粘附性的技术。 解决方案:燃料电池系统设置有燃料电池,燃料电池设置有电解质膜,包含电解质并形成在电解质膜的一个表面上的第一催化剂电极层和第二催化剂电极 层形成在电解质膜的相对表面上。 燃料电池系统具有供气部,其在通常的运转中向第一催化剂电极层供给氧化气体,并且向第二催化剂电极层供给燃料,以使第一催化剂电极层作为阴极发电, 第二催化剂电极层作为阳极,并且在异常操作时,将第一催化剂电极层的燃料气体和第二催化剂电极层的氧化物气体供给到第一催化剂电极层作为阳极而产生电力, 第二催化剂电极层作为阴极。 版权所有(C)2008,JPO&INPIT