JP2019537216A - 分離板及びこれを含む燃料電池スタック - Google Patents
分離板及びこれを含む燃料電池スタック Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 25
- 239000012495 reaction gas Substances 0.000 claims description 24
- 238000009792 diffusion process Methods 0.000 claims description 21
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000000376 reactant Substances 0.000 abstract description 4
- 239000003792 electrolyte Substances 0.000 description 9
- 239000012528 membrane Substances 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000005518 polymer electrolyte Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000007792 addition Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000003487 electrochemical reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005597 polymer membrane Polymers 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
- H01M8/0254—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/0265—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04291—Arrangements for managing water in solid electrolyte fuel cell systems
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04492—Humidity; Ambient humidity; Water content
- H01M8/04529—Humidity; Ambient humidity; Water content of the electrolyte
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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
- 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]
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- 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
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
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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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Sustainable Development (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims (17)
- 反応ガスが流動するための流動空間を形成する底面及び前記底面と連結された一対の側壁を含む複数のチャネルと、
隣接する2つのチャネルの側壁を連結するように設けられた複数のリブとを含み、
チャネルの側壁には、内側に陥没し、第1角度で連結された第1傾斜面と第2傾斜面を有する貯水部が設けられた分離板。 - 貯水部はくさび(Wedge)形状を有する請求項1に記載の分離板。
- 第1傾斜面と第2傾斜面は「V」字形状を有する請求項1または2に記載の分離板。
- 第1傾斜面と第2傾斜面は平坦面からなる請求項3に記載の分離板。
- チャネルの両側壁には、反応ガスの流動方向に沿って対称となるように、それぞれ複数の貯水部が所定の間隔で離れて設けられた請求項1から4のいずれか一項に記載の分離板。
- チャネルの両側壁には、反応ガスの流動方向に沿って非対称となるように、それぞれ複数の貯水部が所定の間隔で離れて設けられた請求項1から4のいずれか一項に記載の分離板。
- 第1角度は鋭角である請求項1から6のいずれか一項に記載の分離板。
- 第1角度の半分といずれか一方の傾斜面の接触角との和は90゜以下である請求項7に記載の分離板。
- チャネルの側壁に対する第1傾斜面の傾斜角と第2傾斜面の傾斜角の大きさは同一である請求項1から8のいずれか一項に記載の分離板。
- チャネルの側壁に対する第1傾斜面の傾斜角と第2傾斜面の傾斜角の大きさは互いに異なる請求項1から8のいずれか一項に記載の分離板。
- 膜−電極接合体と、
膜−電極接合体の一面に設けられたガス拡散層と、
少なくとも一部の領域でガス拡散層に接触するように設けられた分離板と、を含み
前記分離板は、反応ガスが流動するための流動空間を形成する底面及び前記底面と連結された一対の側壁を含む複数のチャネルと、
隣接する2つのチャネルの側壁を連結し、前記ガス拡散層と接触するように設けられた複数のリブとを含み、
チャネルの側壁には、内側に陥没し、第1角度で連結された第1傾斜面と第2傾斜面を有し、水が貯蔵されるための貯水部が設けられた燃料電池スタック。 - 貯水部はくさび(Wedge)形状を有する請求項11に記載の燃料電池スタック。
- 第1傾斜面と第2傾斜面は「V」字形状を有する請求項11または12に記載の燃料電池スタック。
- 第1傾斜面と第2傾斜面は平坦面からなる請求項13に記載の燃料電池スタック。
- 貯水部内の水は、第1及び第2傾斜面に沿ってガス拡散層及び膜−電極接合体側に移動される請求項11から14のいずれか一項に記載の燃料電池スタック。
- 第1角度は鋭角である請求項11から15のいずれか一項に記載の燃料電池スタック。
- 第1角度の半分といずれか一方の傾斜面の接触角との和は90゜以下である請求項16に記載の燃料電池スタック。
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KR1020160163608A KR102071906B1 (ko) | 2016-12-02 | 2016-12-02 | 분리판, 및 이를 포함하는 연료전지 스택 |
KR10-2016-0163608 | 2016-12-02 | ||
PCT/KR2017/013865 WO2018101754A1 (ko) | 2016-12-02 | 2017-11-30 | 분리판 및 이를 포함하는 연료전지 스택 |
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US (1) | US10944116B2 (ja) |
EP (1) | EP3531485A4 (ja) |
JP (1) | JP7222166B2 (ja) |
KR (1) | KR102071906B1 (ja) |
CN (2) | CN110036514A (ja) |
WO (1) | WO2018101754A1 (ja) |
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JP7234986B2 (ja) * | 2020-03-30 | 2023-03-08 | トヨタ車体株式会社 | 燃料電池用セパレータ |
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- 2017-11-30 JP JP2019524414A patent/JP7222166B2/ja active Active
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EP3531485A1 (en) | 2019-08-28 |
CN110036514A (zh) | 2019-07-19 |
JP7222166B2 (ja) | 2023-02-15 |
CN116885227A (zh) | 2023-10-13 |
KR20180063623A (ko) | 2018-06-12 |
KR102071906B1 (ko) | 2020-01-31 |
US10944116B2 (en) | 2021-03-09 |
US20200006786A1 (en) | 2020-01-02 |
WO2018101754A1 (ko) | 2018-06-07 |
EP3531485A4 (en) | 2019-11-20 |
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