JP2005071755A5 - - Google Patents
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- JP2005071755A5 JP2005071755A5 JP2003298981A JP2003298981A JP2005071755A5 JP 2005071755 A5 JP2005071755 A5 JP 2005071755A5 JP 2003298981 A JP2003298981 A JP 2003298981A JP 2003298981 A JP2003298981 A JP 2003298981A JP 2005071755 A5 JP2005071755 A5 JP 2005071755A5
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- water
- conductive layer
- repellent conductive
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- polymer electrolyte
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Claims (8)
前記高分子電解質膜の両側のそれぞれに配置された２つの電極とを備え、
前記２つの電極の少なくとも一方の電極は、前記高分子電解質膜側から順に配置された、触媒層と、所定の撥水性と所定の接着性を有する樹脂を樹脂主成分とする第二の撥水性導電層と、前記所定の撥水性よりも強い撥水性と前記所定の接着性よりも弱い接着性を有する樹脂を樹脂主成分とする第一の撥水性導電層と、ガス拡散層で構成されており、
前記第一の撥水性導電層の樹脂主成分は、テトラフルオロエチレン成分またはテトラフルオロエチレンの同族体の共重合体成分であり、
前記第二の撥水性導電層の樹脂主成分は、ポリフッ化ビニリデン成分である、燃料電池用膜電極接合体。 A polymer electrolyte membrane;
Two electrodes disposed on both sides of the polymer electrolyte membrane,
At least one electrode of the two electrodes is a second water repellency mainly composed of a resin having a catalyst layer and a predetermined water repellency and a predetermined adhesive property, which are arranged in order from the polymer electrolyte membrane side. A conductive layer, a first water-repellent conductive layer mainly composed of a resin having water repellency stronger than the predetermined water repellency and adhesiveness weaker than the predetermined adhesiveness, and a gas diffusion layer. And
The resin main component of the first water-repellent conductive layer is a tetrafluoroethylene component or a copolymer component of a homolog of tetrafluoroethylene,
The fuel cell membrane electrode assembly , wherein the resin main component of the second water repellent conductive layer is a polyvinylidene fluoride component .
前記高分子電解質膜側から順に配置された、前記触媒層と、前記第二の撥水性導電層と、前記第一の撥水性導電層と、前記ガス拡散層で構成されている、請求項１記載の燃料電池用膜電極接合体。 Of the respective electrodes, the cathode side electrode is:
The polymer electrolyte membrane side of disposed in this order, and the catalyst layer, the a second water repellent conductive layer, wherein the first water repellent conductive layer, and a said gas diffusion layer, claim 1 fuel cell membrane electrode assembly of serial placement.
前記高分子電解質膜の両側のそれぞれに配置された２つの電極とを備え、
前記２つの電極の少なくとも一方の電極は、前記高分子電解質膜側から順に配置された、触媒層と、ポリフッ化ビニリデン成分とポリテトラフルオロエチレン成分を樹脂主成分とする撥水性導電層と、ガス拡散層で構成されている、燃料電池用膜電極接合体。 A polymer electrolyte membrane;
Two electrodes disposed on both sides of the polymer electrolyte membrane,
At least one of the two electrodes includes a catalyst layer, a water repellent conductive layer mainly composed of a polyvinylidene fluoride component and a polytetrafluoroethylene component, and a gas, arranged in order from the polymer electrolyte membrane side. A membrane electrode assembly for a fuel cell, comprising a diffusion layer.
前記高分子電解質膜側から順に配置された、前記触媒層と、前記撥水性導電層と、前記ガス拡散層で構成されている、請求項３に記載の燃料電池用膜電極接合体。 Of the two electrodes, the cathode side electrode is:
The membrane electrode assembly for a fuel cell according to claim 3 , comprising the catalyst layer, the water-repellent conductive layer, and the gas diffusion layer, which are arranged in order from the polymer electrolyte membrane side.
前記撥水性導電層を表面に形成させた２つの前記ガス拡散層の少なくとも一方の前記撥水性導電層は、前記ガス拡散層側から順に、所定の撥水性と所定の接着性を有する樹脂を樹脂主成分とする第一の撥水性導電層と、前記所定の撥水性よりも弱い撥水性と前記所定の接着性よりも強い接着性を有する樹脂を樹脂主成分とする第二の撥水性導電層とを配置して構成する、燃料電池用膜電極接合体の製造方法。 Two gas diffusion layers with a water-repellent conductive layer formed on the surface from both sides of the polymer electrolyte membrane with catalyst layers formed on both sides are thermocompression bonded so that the catalyst layer and the water-repellent conductive layer face each other. In the manufacturing method of a fuel cell membrane electrode assembly,
The water-repellent conductive layer of at least one of the two gas diffusion layers having the water-repellent conductive layer formed on the surface is made of resin having predetermined water repellency and predetermined adhesiveness in order from the gas diffusion layer side. A first water-repellent conductive layer having a main component, and a second water-repellent conductive layer having a resin as a main component, a resin having a water repellency weaker than the predetermined water repellency and an adhesiveness stronger than the predetermined adhesiveness A method for producing a membrane electrode assembly for a fuel cell.
前記第二の撥水性導電層の樹脂主成分は、ポリフッ化ビニリデン成分である、請求項５に記載の燃料電池用膜電極接合体の製造方法。 The resin main component of the first water-repellent conductive layer is a tetrafluoroethylene component or a copolymer component of a homolog of tetrafluoroethylene,
The method for producing a fuel cell membrane electrode assembly according to claim 5 , wherein the resin main component of the second water-repellent conductive layer is a polyvinylidene fluoride component.
前記撥水性導電層を表面に形成させた２つの前記ガス拡散層の少なくとも一方の前記撥水性導電層は、ポリフッ化ビニリデン成分とポリテトラフルオロエチレン成分を樹脂主成分とする、燃料電池用膜電極接合体の製造方法。 Two gas diffusion layers with a water-repellent conductive layer formed on the surface from both sides of the polymer electrolyte membrane with catalyst layers formed on both sides are thermocompression bonded so that the catalyst layer and the water-repellent conductive layer face each other. In the manufacturing method of a fuel cell membrane electrode assembly,
A fuel cell membrane electrode, wherein at least one of the two gas diffusion layers having the water-repellent conductive layer formed on the surface thereof, the water-repellent conductive layer includes a polyvinylidene fluoride component and a polytetrafluoroethylene component as resin main components. Manufacturing method of joined body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003298981A JP4301397B2 (en) | 2003-08-22 | 2003-08-22 | Membrane electrode assembly for fuel cell and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003298981A JP4301397B2 (en) | 2003-08-22 | 2003-08-22 | Membrane electrode assembly for fuel cell and method for producing the same |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005071755A JP2005071755A (en) | 2005-03-17 |
| JP2005071755A5 true JP2005071755A5 (en) | 2006-09-14 |
| JP4301397B2 JP4301397B2 (en) | 2009-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003298981A Expired - Fee Related JP4301397B2 (en) | 2003-08-22 | 2003-08-22 | Membrane electrode assembly for fuel cell and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4301397B2 (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4530892B2 (en) * | 2005-03-28 | 2010-08-25 | 三洋電機株式会社 | Polymer electrolyte fuel cell |
| KR100825196B1 (en) * | 2005-03-28 | 2008-04-24 | 산요덴키가부시키가이샤 | Fuel cell |
| JP4530893B2 (en) * | 2005-03-28 | 2010-08-25 | 三洋電機株式会社 | Polymer electrolyte fuel cell |
| US7608334B2 (en) * | 2005-03-29 | 2009-10-27 | 3M Innovative Properties Company | Oxidatively stable microlayers of gas diffusion layers |
| JP2006318790A (en) * | 2005-05-13 | 2006-11-24 | Tomoegawa Paper Co Ltd | Solid polymer type fuel cell, gas diffusion electrode therefor, and its manufacturing method |
| JP5298412B2 (en) | 2006-08-24 | 2013-09-25 | トヨタ自動車株式会社 | Fuel cell |
| WO2008093795A1 (en) * | 2007-01-31 | 2008-08-07 | Asahi Glass Company, Limited | Solid polymer type fuel cell membrane electrode junction assembly, solid polymer type fuel cell and their manufacturing method |
| JP2008192328A (en) * | 2007-01-31 | 2008-08-21 | Asahi Glass Co Ltd | Polymer electrolyte fuel cell and its manufacturing method |
| JP5228378B2 (en) * | 2007-06-04 | 2013-07-03 | 旭硝子株式会社 | Membrane electrode assembly for polymer electrolyte fuel cell and method for producing the same |
| JP2008192330A (en) * | 2007-01-31 | 2008-08-21 | Asahi Glass Co Ltd | Membrane electrode junction for polymer electrolyte fuel cell and its manufacturing method |
| US20100098991A1 (en) * | 2007-02-28 | 2010-04-22 | Tomoegawa Co., Ltd. | Gas Diffusion Electrode For Polymer Electrolyte Fuel Cell, Membrane-Electrode Assembly For Polymer Electrolyte Fuel Cell, Production Method Therefor, And Polymer Electrolyte Fuel Cell |
| JP5515230B2 (en) * | 2008-03-25 | 2014-06-11 | Ｊｓｒ株式会社 | Membrane electrode assembly for stationary or portable fuel cell, stationary or portable fuel cell, and resin paste for gas diffusion layer of stationary or portable fuel cell |
| JP5391968B2 (en) * | 2009-09-29 | 2014-01-15 | 株式会社Ｇｓユアサ | Gas diffusion layer for polymer electrolyte fuel cell and method for producing the same |
| US8778557B2 (en) * | 2011-01-18 | 2014-07-15 | Panasonic Corporation | Membrane electrode assembly for fuel cell and fuel cell using the same |
| JP5883301B2 (en) | 2011-02-07 | 2016-03-15 | 日本バイリーン株式会社 | Moisture management sheet, gas diffusion sheet, membrane-electrode assembly, and polymer electrolyte fuel cell |
| JP5862485B2 (en) * | 2012-07-02 | 2016-02-16 | トヨタ自動車株式会社 | Method for forming gas diffusion layer for fuel cell |
| CN114566653B (en) * | 2021-09-08 | 2023-01-31 | 中自环保科技股份有限公司 | Non-uniform catalyst layer, membrane electrode and preparation method thereof |
-
2003
- 2003-08-22 JP JP2003298981A patent/JP4301397B2/en not_active Expired - Fee Related
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