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1. 发明专利

JP2004164903A Polymer electrolyte type fuel cell, and manufacturing method of its electrode 审中-公开
公开(公告)号：JP2004164903A
公开(公告)日：2004-06-10
申请号：JP2002326778
申请日：2002-11-11
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YASUMOTO EIICHI , YOSHIDA AKIHIKO , KASAHARA HIDEO , YONAMINE TAKESHI , HORI YOSHIHIRO , KOSAKO SHINYA , UCHIDA MAKOTO
IPC分类号： H01M4/96 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide an electrode hardly causing a flooding phenomenon and having a carbon layer with an optimized void ratio. SOLUTION: In this polymer electrolyte type fuel cell, this electrode of the cell has the carbon layer, a gas diffusion layer formed of a gas diffusion base material, and a catalyst layer in contact with an electrolyte of the cell. The carbon layer is disposed on the side of the catalyst layer, and divided into an island-like form or a grid-like form on its inside surface. Void parts are formed among the carbon layers divided into the island-like form or the grid-like form. By setting its void ratio to 0.1-30 %, the fuel cell strong against a flooding phenomenon can be composed. COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2004006266A FUEL CELL 审中-公开
公开(公告)号：JP2004006266A
公开(公告)日：2004-01-08
申请号：JP2003073614
申请日：2003-03-18
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： MORITA JUNJI , UCHIDA MAKOTO , YASUMOTO EIICHI , SUGAWARA YASUSHI , HORI YOSHIHIRO , YONAMINE TAKESHI , TAKEBE YASUO , KOSAKO SHINYA
IPC分类号： H01M4/86 , H01M4/88 , H01M8/10
摘要： PROBLEM TO BE SOLVED: To improve wettability in a catalyst layer by controlling the morphology of a hydrogen ion conductive polymer electrolyte, and provide a polymer electrolyte fuel cell exhibiting a stable performance for a long time. SOLUTION: In an electrode having conductive carbon particles carrying catalyst metal and the catalyst layer containing the hydrogen ion conductive polymer electrolyte adhered to the conductive carbon particles, a unit element piece of the hydrogen ion conductive polymer electrolyte is characterized by that its exterior is occupied by a substantially hydrophobic part. COPYRIGHT: (C)2004,JPO

3. 发明专利

JP2003282074A Electrode for fuel cell, and manufacturing method of the same 审中-公开
标题翻译：燃料电池用电极及其制造方法
公开(公告)号：JP2003282074A
公开(公告)日：2003-10-03
申请号：JP2002085269
申请日：2002-03-26
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： HORI YOSHIHIRO , YONAMINE TAKESHI , SAKAI OSAMU , KOSAKO SHINYA , TAKEBE YASUO , YASUMOTO EIICHI , UCHIDA MAKOTO
IPC分类号： H01M4/88 , H01M4/86 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To improve efficiency of a fuel cell by adhering a comparatively thin layer of hydrogen ion conductive polymerelectrolyte on the surface of a catalyst-loaded carbon powder as uniformly as possible, and by adhering the layers of hydrogen ion conductive polymerelectrolyte to as many catalysts as possible. SOLUTION: A catalytic reaction layer has noble-metal particles loaded on carrier carbon as the catalyst particles. The manufacturing method of the electrode for fuel cells is characterized by performing at least one or more activation treatment chosen from a steam treatment, a carbon dioxide treatment, a halogen gas treatment, a potassium hydroxide treatment, a zinc chloride treatment, a sulfuric acid treatment, an ultraviolet radiation treatment, and a glow discharge treatment, to the carrier carbon loaded with noble metal beforehand as the above catalyst particles. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提高燃料电池的效率，通过将尽可能均匀地粘附在负载催化剂的碳粉末的表面上的相对薄的氢离子导电聚电解质层，并且通过粘附氢离子传导层聚电解质尽可能多的催化剂。解决方案：催化反应层具有作为催化剂颗粒负载在载体碳上的贵金属颗粒。燃料电池用电极的制造方法的特征在于，进行至少一种以上的活化处理，其选自蒸汽处理，二氧化碳处理，卤素气体处理，氢氧化钾处理，氯化锌处理，硫酸处理，紫外线照射处理和辉光放电处理，作为上述催化剂颗粒，预先装载有贵金属的载体碳。版权所有（C）2004，JPO

4. 发明专利

JP2003282067A Composition and manufacturing method of polymerelectrolyte type fuel cell catalyst layer 审中-公开
标题翻译：聚合物类型燃料电池催化层的组成和制造方法
公开(公告)号：JP2003282067A
公开(公告)日：2003-10-03
申请号：JP2002085111
申请日：2002-03-26
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YONAMINE TAKESHI , HORI YOSHIHIRO , TAKEBE YASUO , YASUMOTO EIICHI , KOSAKO SHINYA , SAKAI OSAMU , UCHIDA MAKOTO
IPC分类号： C08F290/06 , C08F214/26 , C08F216/14 , H01M4/86 , H01M4/88 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To raise a long-term stability of a fuel cell performance and to reduce a manufacturing cost of the polymerelectrolyte type fuel cell by using a polymerelectrolyte with a hydrocarbon skeleton, in which a perfluoroethylene system polymerelectrolyte is not contained and with ion conductivity, instead of the expensive perfluoroethylene system polymerelectrolyte. SOLUTION: On the front of the surface of the catalyst powder where a radical is generated, the hydrogen ion conductive polymerelectrolyte of the expensive perfluoroethylene system polymerelectrolyte is covered, and further on the outside of this surface, the polymerelectrolyte with the cheap hydrocarbon skeleton, in which the perfluoroethylene system polymerelectrolyte is not contained and with ion conductivity, is covered. Thereby, reduction of the manufacturing cost becomes possible and the long-term stable operation of the fuel cell can be performed. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：为了提高燃料电池性能的长期稳定性，并且通过使用不含有全氟乙烯体系聚电解质的烃骨架的聚电解质，降低聚电解质型燃料电池的制造成本并且具有离子传导性，而不是昂贵的聚四氟乙烯体系聚电解质。解决方案：在产生自由基的催化剂粉末表面的前面，昂贵的全氟乙烯体系聚电解质的氢离子导电聚电解质被覆盖，并且在该表面的外侧，具有廉价碳氢化合物的聚电解质骨架，其中不包含全氟乙烯体系聚电解质和离子传导性。从而，可以降低制造成本，并且可以执行燃料电池的长期稳定运行。版权所有（C）2004，JPO

5. 发明专利

JP2005108827A Ink for catalyst layer formation and electrode using the same and membrane electrode junction 有权
标题翻译：用于催化层形成的电极和使用其的电极和膜电极结
公开(公告)号：JP2005108827A
公开(公告)日：2005-04-21
申请号：JP2004258377
申请日：2004-09-06
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： SUGAWARA YASUSHI , MORITA JUNJI , YONAMINE TAKESHI , TAKEBE YASUO
IPC分类号： H01M4/88 , H01M4/86 , H01M8/02 , H01M8/10
CPC分类号： Y02E60/521
摘要： PROBLEM TO BE SOLVED: To provide a hydrogen ion conductive polymer electrolyte fuel cell capable of raising battery voltage by improving gaseous diffusion property of a catalyst layer and maintaining the high battery voltage over a long time. SOLUTION: In this ink for catalyst layer formation including, at least, polymer electrolyte having positive ion conductivity, catalyst carrying particles consisting of conductive carbon particles carrying electrode catalyst, and dispersion medium, an average radius of inertia of the polyelectrolyte is set to 150-300 nm. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供能够通过改善催化剂层的气体扩散性能并且长时间维持高电池电压而能够提高电池电压的氢离子导电聚合物电解质燃料电池。解决方案：在用于催化剂层形成的油墨中，至少包括具有正离子传导性的聚合物电解质，由携带电极催化剂的导电碳颗粒组成的催化剂载体颗粒和分散介质，设定聚电解质的平均惯性半径至150-300nm。版权所有（C）2005，JPO＆NCIPI

6. 发明专利

JP2003282075A Fuel cell, and manufacturing method of the same 审中-公开
标题翻译：燃料电池及其制造方法
公开(公告)号：JP2003282075A
公开(公告)日：2003-10-03
申请号：JP2002085110
申请日：2002-03-26
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： HORI YOSHIHIRO , YONAMINE TAKESHI , KOSAKO SHINYA , TAKEBE YASUO , YASUMOTO EIICHI , UCHIDA MAKOTO
IPC分类号： H01M4/88 , H01M4/86 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To make both power generation efficiency and characteristics of small aged deterioration available. SOLUTION: By constituting a hydrogen ion conductive polymerelectrolyte of a polymerelectrolyte in which at least two different kinds of heat-treatments are carried out, the fuel cell electrode compatible with the power generation efficiency characteristics and characteristics of small aged deterioration, and its manufacturing method, are provided. COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：使发电效率和老化劣化的特性均可得到。解决方案：通过构成其中进行至少两种不同种类的热处理的聚电解质的氢离子导电聚电解质，该燃料电池电极与发电效率特性和小老化变质特性相兼容，其制造方法。版权所有（C）2004，JPO

7. 发明专利

JP2003109610A METHOD OF MANUFACTURING ELECTRODE FOR HIGH MOLECULAR ELECTROLYTE FUEL CELL 审中-公开
公开(公告)号：JP2003109610A
公开(公告)日：2003-04-11
申请号：JP2001298020
申请日：2001-09-27
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： SUGAWARA YASUSHI , UCHIDA MAKOTO , HORI YOSHIHIRO , YOSHIDA AKIHIKO , SAKAI OSAMU , YONAMINE TAKESHI
IPC分类号： H01M4/88 , H01M8/10
摘要： PROBLEM TO BE SOLVED: To provide an electrode for a high molecular electrolyte fuel cell capable of stabilizing the water management of a catalyst layer for a long period by preparing the water repellent carbon powder by uniformly bonding carbon powder with a small amount of water repellent material without largely aggregating the water repellent material. SOLUTION: The water repellent carbon powder granulated to a constant particle size is prepared by spraying the dispersion liquid of the water repellent material to flowing carbon powder, and drying the same to attach the water repellent material to the carbon powder, and crushing and granulating the carbon powder with the water repellent material. By mixing the water repellent carbon powder with the catalyst layer, the water repellency of the catalyst layer can be stabilized for a long period, and the durability of the cell can be improved.

8. 发明专利

JP2003045441A Method for manufacturing high polymer electrolyte fuel cell 审中-公开
标题翻译：制备高聚物电解质燃料电池的方法
公开(公告)号：JP2003045441A
公开(公告)日：2003-02-14
申请号：JP2001233210
申请日：2001-08-01
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： HORI YOSHIHIRO , YONAMINE TAKESHI , TAKEBE YASUO , HADO KAZUHITO , UCHIDA MAKOTO
IPC分类号： H01M4/88 , H01M8/02 , H01M8/10
CPC分类号： Y02P70/56
摘要： PROBLEM TO BE SOLVED: To provide a method for sticking hydrogen ion conductive high polymer electrolyte to thinly and uniformly to catalyst powder when sticking it to the catalyst powder when manufacturing catalyst powder of a fuel cell, requiring no measure such as an explosion-proof construction for a process and a device in an inert gas atmosphere for ignition caused by combustion of a catalyst.
SOLUTION: A solvent is removed by fluidizing the catalyst powder in a dry atmosphere, and spraying the hydrogen ion conductive high polymer solution containing 25% or more moisture in the solvent or a dispersion to the catalyst powder, and sufficiently drying it, and the only hydrogen conductive high polymer electrolyte is uniformly stuck to the surface of the catalyst powder for electrode reaction. An inlet 5 for the gas to fluidizingly dry the catalyst powder, a granulating plate 6, an agitating blade 7, a pulse jet 9, a high pressure spray 11 to spray the hydrogen ion conductive high polymer electrolyte solution or the dispersion and a fluidizing part 2 are provided.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种在制造燃料电池的催化剂粉末时将氢离子导电性高分子电解质粘附到催化剂粉末上以将其均匀地粘附到催化剂粉末的方法，不需要诸如防爆结构用于由催化剂燃烧引起的用于点火的惰性气体气氛中的方法和装置。解决方案：通过在干燥气氛下使催化剂粉末流化除去溶剂，并将含有25％或更多水分的氢离子导电高分子溶液在溶剂或分散体中喷洒到催化剂粉末中，并充分干燥，导电高分子电解质均匀地粘附到催化剂粉末的表面用于电极反应。用于气体流化干燥催化剂粉末的入口5，造粒板6，搅拌叶片7，脉冲喷射9，喷射氢离子传导性高分子电解质溶液或分散体的高压喷雾器11和流化部件 2。

9. 发明专利

JP2002289230A POLYMER ELECTROLYTE FUEL CELL 失效
公开(公告)号：JP2002289230A
公开(公告)日：2002-10-04
申请号：JP2001084769
申请日：2001-03-23
申请人： MATSUSHITA ELECTRIC IND CO LTD
发明人： YONAMINE TAKESHI , HORI YOSHIHIRO , HADO KAZUHITO , NIIKURA JUNJI
IPC分类号： H01M4/86 , H01M8/04 , H01M8/10
摘要： PROBLEM TO BE SOLVED: To resolve a problem that hydrogen ion conductivity is degraded and cell performance is impaired by gradual drain of water from the inside of the cell to the outside thereof by surplus gas on the air electrode side, in a long-time operation of a fuel cell with low humidification. SOLUTION: A water holding layer comprising a hydrogen ion conducting polymer electrote and carbon is formed between a catalytic reaction layer and a diffusion layer, and the quantity of water drained from the catalytic reaction layer to the outside of the cell by non-reaction gas is restrained, so that a long-time low-humidification operation difficult to be carried out by a conventional method is realized.

10. 发明专利

JP2004356030A Operation method of polymer electrolyte fuel cell 审中-公开
公开(公告)号：JP2004356030A
公开(公告)日：2004-12-16
申请号：JP2003154799
申请日：2003-05-30
申请人： Matsushita Electric Ind Co Ltd , 松下電器産業株式会社
发明人： YONAMINE TAKESHI , HORI YOSHIHIRO , YASUMOTO EIICHI , UCHIDA MAKOTO , TAKEBE YASUO , SHIBATA KIICHI
IPC分类号： H01M8/10 , H01M8/04
CPC分类号： Y02E60/523
摘要： PROBLEM TO BE SOLVED: To solve the problem that an oxidant electrode is contaminated again by metallic ions and ammonia generated as reaction products when a reducing agent containing metallic atom and nitrogen atom to reduce an oxide film is used against lowering of reaction efficiency caused by the oxide film on a catalyst of the oxidant electrode generated by a long-time operation of a fuel cell.
SOLUTION: During the operation of the fuel cell, the reducing agent which is composed of a plurality of atoms selected from a group of a carbon atom, a hydrogen atom and an oxygen atom and has an oxidant reducing potential less than 0.98 V against a standard electrode potential is applied to the oxidant electrode.
COPYRIGHT: (C)2005,JPO&NCIPI

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