JP6536477B2 - 燃料電池 - Google Patents
燃料電池 Download PDFInfo
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- JP6536477B2 JP6536477B2 JP2016097280A JP2016097280A JP6536477B2 JP 6536477 B2 JP6536477 B2 JP 6536477B2 JP 2016097280 A JP2016097280 A JP 2016097280A JP 2016097280 A JP2016097280 A JP 2016097280A JP 6536477 B2 JP6536477 B2 JP 6536477B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
- H01M4/8673—Electrically conductive fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/18—Macromolecular compounds
- B01J39/20—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1067—Polymeric electrolyte materials characterised by their physical properties, e.g. porosity, ionic conductivity or thickness
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M2004/8678—Inert electrodes with catalytic activity, e.g. for fuel cells characterised by the polarity
- H01M2004/8689—Positive electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Inert Electrodes (AREA)
- Fuel Cell (AREA)
Description
(a)ヘキサフルオロプロピレンオキシド(HFPO)ダイマーパーオキシド、
(b)CF3CF2CF2C(=O)OOC(=O)CF2CF2CF3(ヘプタフルオロブチリルパーオキシド、HFBP)、
(c)FSO2CF2(C=O)OOC(=O)CF2SO2F(RFUP)、
などが挙げられる。
12 電解質膜
14a アノード触媒層
14c カソード触媒層
16a アノードガス拡散層
16c カソードガス拡散層
18a アノード側セパレータ
18c カソード側セパレータ
20a アノード流路
20c カソード流路
30 触媒
32 カーボン担体
34 アイオノマー
Claims (4)
- 固体高分子形の燃料電池であって、
プロトン伝導性を有する固体電解質膜と、
前記固体電解質膜の一方の面に設けられたアノード触媒層と、
前記固体電解質膜の他方の面に設けられたカソード触媒層と、
前記カソード触媒層の外側に設けられたカソードガス拡散層と、を備え、
前記カソード触媒層は、疎水部とスルホン酸基を備えた親水部とのランダム共重合体からなる高分子鎖と、前記高分子鎖の末端に結合している前記親水部の凝集構造からなり、前記親水部の繰り返し数が11以上且つ16以下である親水性ブロックと、を備えたアイオノマーを含み、
前記カソードガス拡散層の以下の式で表されるガス拡散抵抗係数は、2.2×10−4m以上且つ3.2×10−4m以下である、燃料電池。
ガス拡散抵抗係数=ガス拡散層の厚さ/(ガス拡散層の空隙率)4 - 固体高分子形の燃料電池であって、
プロトン伝導性を有する固体電解質膜と、
前記固体電解質膜の一方の面に設けられたアノード触媒層と、
前記固体電解質膜の他方の面に設けられたカソード触媒層と、
前記カソード触媒層の外側に設けられたカソードガス拡散層と、を備え、
前記カソード触媒層は、疎水部とスルホン酸基を備えた親水部とのランダム共重合体からなる高分子鎖と、前記高分子鎖の末端に結合している前記親水部の凝集構造からなる親水性ブロックと、を備えたアイオノマーを含み、
前記カソードガス拡散層の以下の式で表されるガス拡散抵抗係数は、2.2×10 −4 m以上且つ3.2×10 −4 m以下であり、
前記アイオノマーの融点低下水率は、28dry%以上且つ38dry%以下である、燃料電池。
ガス拡散抵抗係数=ガス拡散層の厚さ/(ガス拡散層の空隙率) 4 - 固体高分子形の燃料電池であって、
プロトン伝導性を有する固体電解質膜と、
前記固体電解質膜の一方の面に設けられたアノード触媒層と、
前記固体電解質膜の他方の面に設けられたカソード触媒層と、
前記カソード触媒層の外側に設けられたカソードガス拡散層と、を備え、
前記カソード触媒層は、疎水部とスルホン酸基を備えた親水部とのランダム共重合体からなる高分子鎖と、前記高分子鎖の末端に結合している前記親水部の凝集構造からなる親水性ブロックと、を備えたアイオノマーを含み、
前記カソードガス拡散層の以下の式で表されるガス拡散抵抗係数は、2.2×10 −4 m以上且つ3.2×10 −4 m以下であり、
相対湿度が30%以上のときの前記アイオノマーの酸素透過度は20×10−12mol/(cm2×s×atm)以上である、燃料電池。
ガス拡散抵抗係数=ガス拡散層の厚さ/(ガス拡散層の空隙率) 4 - 固体高分子形の燃料電池であって、
プロトン伝導性を有する固体電解質膜と、
前記固体電解質膜の一方の面に設けられたアノード触媒層と、
前記固体電解質膜の他方の面に設けられたカソード触媒層と、
前記カソード触媒層の外側に設けられたカソードガス拡散層と、を備え、
前記カソード触媒層は、疎水部とスルホン酸基を備えた親水部とのランダム共重合体からなる高分子鎖と、前記高分子鎖の末端に結合している前記親水部の凝集構造からなる親水性ブロックと、を備えたアイオノマーを含み、
前記カソードガス拡散層の以下の式で表されるガス拡散抵抗係数は、2.2×10 −4 m以上且つ3.2×10 −4 m以下であり、
前記親水部は、次の式(A1)で表される構造を備え、
前記疎水部は、次の式(B1)で表される構造を備えている、燃料電池。
ガス拡散抵抗係数=ガス拡散層の厚さ/(ガス拡散層の空隙率) 4
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016097280A JP6536477B2 (ja) | 2016-05-13 | 2016-05-13 | 燃料電池 |
CN201710307725.9A CN107394238B (zh) | 2016-05-13 | 2017-05-04 | 燃料电池 |
US15/592,631 US10673075B2 (en) | 2016-05-13 | 2017-05-11 | Fuel cell catalyst layer for improving power generation |
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JP2016097280A JP6536477B2 (ja) | 2016-05-13 | 2016-05-13 | 燃料電池 |
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JP2018211450A Division JP6729664B2 (ja) | 2018-11-09 | 2018-11-09 | 燃料電池 |
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JP6536477B2 true JP6536477B2 (ja) | 2019-07-03 |
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US20210384523A1 (en) * | 2018-12-21 | 2021-12-09 | 3M Innovative Properties Company | Fluoropolymer Ionomers with Reduced Catalyst Poisoning and Articles Therefrom |
CN111755722B (zh) * | 2020-05-20 | 2021-11-26 | 鄂尔多斯市国科能源有限公司 | 膜电极组件 |
WO2024044279A1 (en) * | 2022-08-24 | 2024-02-29 | Electric Hydrogen Co. | Membrane electrolyzer with cathode water flow in opposite direction to anode water flow |
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JP4792640B2 (ja) * | 2000-02-15 | 2011-10-12 | 旭硝子株式会社 | ブロックポリマー、重合体の製造方法及びブロックポリマーを含む液状組成物 |
JP2001302721A (ja) * | 2000-04-24 | 2001-10-31 | Toyota Central Res & Dev Lab Inc | 高プロトン伝導性電解質 |
CA2446389A1 (en) * | 2001-05-15 | 2002-11-21 | Ballard Power Systems Inc. | Ion-exchange materials with improved ion conductivity |
JP4887580B2 (ja) * | 2001-07-23 | 2012-02-29 | 旭硝子株式会社 | ガス拡散電極及びこれを備えた固体高分子型燃料電池 |
JP3778506B2 (ja) | 2002-11-08 | 2006-05-24 | 本田技研工業株式会社 | 固体高分子型燃料電池用の電極 |
US7592375B2 (en) * | 2005-05-13 | 2009-09-22 | Kabushiki Kaisha Toyota Chuo Kenkyusho | Ion conductive polymers and imide monomers |
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CN102460790B (zh) | 2009-06-26 | 2015-05-13 | 日产自动车株式会社 | 气体扩散电极及其生产方法、膜电极组件及其生产方法 |
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CN107394238B (zh) | 2020-10-16 |
JP2017204449A (ja) | 2017-11-16 |
US20170331119A1 (en) | 2017-11-16 |
US10673075B2 (en) | 2020-06-02 |
CN107394238A (zh) | 2017-11-24 |
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