JP5226431B2 - 燃料電池スタック - Google Patents
燃料電池スタック Download PDFInfo
- Publication number
- JP5226431B2 JP5226431B2 JP2008217642A JP2008217642A JP5226431B2 JP 5226431 B2 JP5226431 B2 JP 5226431B2 JP 2008217642 A JP2008217642 A JP 2008217642A JP 2008217642 A JP2008217642 A JP 2008217642A JP 5226431 B2 JP5226431 B2 JP 5226431B2
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- flow path
- metal separator
- electrolyte
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- Prior art date
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- 239000000446 fuel Substances 0.000 title claims description 39
- 229910052751 metal Inorganic materials 0.000 claims description 97
- 239000002184 metal Substances 0.000 claims description 97
- 239000003792 electrolyte Substances 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 56
- 239000002737 fuel gas Substances 0.000 claims description 48
- 230000001590 oxidative effect Effects 0.000 claims description 48
- 239000007800 oxidant agent Substances 0.000 claims description 47
- 239000002826 coolant Substances 0.000 claims description 45
- 238000010248 power generation Methods 0.000 claims description 31
- 239000012528 membrane Substances 0.000 description 37
- 239000005518 polymer electrolyte Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000007784 solid electrolyte Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001260 Pt alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical compound OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 description 1
- 239000003014 ion exchange membrane Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- H01M8/0204—Non-porous and characterised by the material
- H01M8/0206—Metals or alloys
-
- 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
-
- 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
-
- 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
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04067—Heat exchange or temperature measuring elements, thermal insulation, e.g. heat pipes, heat pumps, fins
- H01M8/04074—Heat exchange unit structures specially adapted for fuel cell
-
- 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
-
- 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
-
- 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
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Description
14、18、20…金属セパレータ
16a、16b…電解質膜・電極構造体
22…固体高分子電解質膜 24…アノード側電極
26…カソード側電極 36、52…酸化剤ガス流路
38、48、54、60…入口バッファ部
38a、38b、40a、40b、48a、48b、50a、50b、60a、60b、62a、62b…凸部
40、50、56、62…出口バッファ部
44…冷却媒体流路 46、58…燃料ガス流路
Claims (2)
- カソード側電極とアノード側電極とが電解質の両側に設けられた偶数個の電解質・電極構造体と、各電解質・電極接合体と交互に積層される金属セパレータとを有し、前記カソード側電極に酸化剤ガスを供給する酸化剤ガス流路及び前記アノード側電極に燃料ガスを供給する燃料ガス流路には、それぞれの少なくとも流路入口又は流路出口に凹凸形状のバッファ部が設けられた複数の発電ユニットを備え、前記発電ユニット間に冷却媒体流路を形成して積層される燃料電池スタックであって、
前記バッファ部は、前記酸化剤ガス流路側の第1の凸部と前記燃料ガス流路側の第2の凸部とが、前記電解質・電極構造体を挟んで積層方向に互いに対向して配置されるとともに、
前記第1の凸部及び前記第2の凸部が対向する挟持位置は、隣接する各電解質・電極構造体毎に前記積層方向から見て異なる位置に設定される一方、
隣接して前記冷却媒体流路を形成する一対の前記金属セパレータの前記バッファ部には、前記冷却媒体流路側に突出して互いに当接する第3の凸部及び第4の凸部が設けられ、
前記第3の凸部及び前記第4の凸部の当接位置は、前記第1の凸部及び前記第2の凸部の前記挟持位置とは前記積層方向から見て異なる位置に設定されることを特徴とする燃料電池スタック。 - 請求項1記載の燃料電池スタックにおいて、前記発電ユニットは、少なくとも第1及び第2の電解質・電極構造体を有し、第1の金属セパレータ、前記第1の電解質・電極構造体、第2の金属セパレータ、前記第2の電解質・電極構造体及び第3の金属セパレータの順に積層されるとともに、
前記第1の金属セパレータの前記第1の凸部と前記第2の金属セパレータの前記第2の凸部とは、前記第1の電解質・電極構造体の第1の挟持位置に配置され、
前記第2の金属セパレータの前記第1の凸部と前記第3の金属セパレータの前記第2の凸部とは、前記第2の電解質・電極構造体の第2の挟持位置に配置され、
前記第3の金属セパレータの前記第3の凸部と、隣接する他の前記発電ユニットを構成する前記第1の金属セパレータの前記第4の凸部とは、前記冷却媒体流路側に突出して当接位置に配置され、
前記第1の挟持位置、前記第2の挟持位置及び前記当接位置は、前記積層方向から見てそれぞれ異なる位置に設定されることを特徴とする燃料電池スタック。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008217642A JP5226431B2 (ja) | 2008-08-27 | 2008-08-27 | 燃料電池スタック |
US12/542,064 US9590254B2 (en) | 2008-08-27 | 2009-08-17 | Fuel cell stack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008217642A JP5226431B2 (ja) | 2008-08-27 | 2008-08-27 | 燃料電池スタック |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010055858A JP2010055858A (ja) | 2010-03-11 |
JP5226431B2 true JP5226431B2 (ja) | 2013-07-03 |
Family
ID=41725935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008217642A Expired - Fee Related JP5226431B2 (ja) | 2008-08-27 | 2008-08-27 | 燃料電池スタック |
Country Status (2)
Country | Link |
---|---|
US (1) | US9590254B2 (ja) |
JP (1) | JP5226431B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5274904B2 (ja) * | 2008-06-17 | 2013-08-28 | 本田技研工業株式会社 | 燃料電池スタック |
JP5261440B2 (ja) * | 2010-06-07 | 2013-08-14 | 本田技研工業株式会社 | 燃料電池スタック |
CN103563144B (zh) * | 2011-07-20 | 2016-02-03 | 丰田自动车株式会社 | 燃料电池 |
GB201204736D0 (en) * | 2012-03-19 | 2012-05-02 | Intelligent Energy Ltd | Fuel cell fluid distribution |
JP6315609B2 (ja) * | 2015-10-16 | 2018-04-25 | 本田技研工業株式会社 | 燃料電池 |
JP6177296B2 (ja) * | 2015-10-22 | 2017-08-09 | 本田技研工業株式会社 | 燃料電池 |
JP6607471B2 (ja) * | 2016-06-10 | 2019-11-20 | 日産自動車株式会社 | 燃料電池スタック及び燃料電池スタック用セパレータ |
JP6460175B2 (ja) * | 2017-08-03 | 2019-01-30 | 日産自動車株式会社 | 燃料電池ユニット及び燃料電池スタック |
JP7238761B2 (ja) * | 2019-12-25 | 2023-03-14 | トヨタ自動車株式会社 | 燃料電池 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08222237A (ja) | 1995-02-14 | 1996-08-30 | Aisin Aw Co Ltd | 燃料電池用セパレータ |
US20050255364A1 (en) | 2003-12-12 | 2005-11-17 | Cho Tae-Hee | Bipolar plate of fuel cell |
JP4268536B2 (ja) * | 2004-02-19 | 2009-05-27 | 本田技研工業株式会社 | 燃料電池 |
JP4627406B2 (ja) * | 2004-04-02 | 2011-02-09 | 株式会社日立製作所 | セパレータおよび燃料電池 |
JP5077620B2 (ja) * | 2005-12-16 | 2012-11-21 | トヨタ自動車株式会社 | 燃料電池のセパレータ |
JP5090651B2 (ja) * | 2006-03-02 | 2012-12-05 | 本田技研工業株式会社 | 燃料電池 |
JP5234879B2 (ja) * | 2006-03-03 | 2013-07-10 | 本田技研工業株式会社 | 燃料電池 |
JP2008047320A (ja) * | 2006-08-11 | 2008-02-28 | Toyota Motor Corp | 燃料電池 |
-
2008
- 2008-08-27 JP JP2008217642A patent/JP5226431B2/ja not_active Expired - Fee Related
-
2009
- 2009-08-17 US US12/542,064 patent/US9590254B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US9590254B2 (en) | 2017-03-07 |
JP2010055858A (ja) | 2010-03-11 |
US20100055540A1 (en) | 2010-03-04 |
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