JP2015069968A - 燃料電池用セパレーターと燃料電池 - Google Patents
燃料電池用セパレーターと燃料電池 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims description 74
- 238000010248 power generation Methods 0.000 claims abstract description 35
- 230000000630 rising effect Effects 0.000 claims abstract description 30
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 239000012528 membrane Substances 0.000 claims description 39
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 4
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000001788 irregular Effects 0.000 abstract 1
- 239000002737 fuel gas Substances 0.000 description 68
- 239000007789 gas Substances 0.000 description 66
- 239000000498 cooling water Substances 0.000 description 54
- 239000007800 oxidant agent Substances 0.000 description 32
- 230000001590 oxidative effect Effects 0.000 description 32
- 239000000853 adhesive Substances 0.000 description 16
- 230000001070 adhesive effect Effects 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 11
- 238000007789 sealing Methods 0.000 description 10
- 239000003566 sealing material Substances 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000012495 reaction gas Substances 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- H01M8/0258—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
-
- 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
- H01M8/24—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
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/248—Means for compression of the fuel cell stacks
-
- 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
- H01M8/249—Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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- 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)
Abstract
【解決手段】アノード側セパレーター120は、プレス成型による複数筋の凹凸条の形成により、第1溝202と第2溝204とを、MEGA110の発電領域112と対向するセパレーター中央領域121に交互に並べて備える。第1溝202は、アノード側セパレーター120のガス面側でセパレーター中央領域121において延び、第2溝204は、ガス面側と反対の冷却面側でセパレーター中央領域121において延びる。セパレーター中央領域外側の外縁部123の側で延びた第1溝202である端部第1溝202tは、セパレーター中央領域121の側に位置する他の第1溝202より、端部側立上高Htが低くい。
【選択図】図10
Description
100…ユニットセル
110…MEGA
110A…アノード側ガス拡散層
110C…カソード側ガス拡散層
110D…MEA
112…発電領域
120…アノード側セパレーター
120H…アノード側セパレーター(比較例)
121…セパレーター中央領域
122IN…燃料ガス供給孔
122OT…燃料ガス排出孔
123…外縁部
124IN…酸化剤ガス供給孔
124OT…酸化剤ガス排出孔
126IN…冷却水供給孔
126OT…冷却水排出孔
130…カソード側セパレーター
131…脚
132IN…燃料ガス供給孔
132OT…燃料ガス排出孔
134IN…酸化剤ガス供給孔
134OT…酸化剤ガス排出孔
136IN…冷却水供給孔
136OT…冷却水排出孔
140…接着シール
141…発電領域窓
142IN…燃料ガス供給孔
142OT…燃料ガス排出孔
144IN…酸化剤ガス供給孔
144OT…酸化剤ガス排出孔
146IN…冷却水供給孔
146OT…冷却水排出孔
150…ガス流路部材
151…シーリングシート
160E…ターミナルプレート
160F…ターミナルプレート
165E…絶縁板
165F…絶縁板
170E…エンドプレート
170F…エンドプレート
172IN…燃料ガス供給孔
172OT…燃料ガス排出孔
174IN…酸化剤ガス供給孔
174OT…酸化剤ガス排出孔
176IN…冷却水供給孔
176OT…冷却水排出孔
200…燃料ガス流路
202…第1溝(燃料ガス流路溝)
202s…底部壁
202t…端部第1溝
202ts…端部底部壁
204…第2溝(冷却水流路溝)
205…連通流路溝
206…深溝部
208…浅溝部
300…燃料ガス用シール材
301…酸化剤用シール材
302…冷却水用シール材
A…転換領域
Ht…端部側立上高
Hs…立上高
ΔH…差分
Kd…プレス雌型
Ku…プレス雄型
Sk…ステンレス鋼板
Ts…第1凸条
Tts…端部第1凸条
KHs…突出高
KHt…突出高
ΔKH…突出高差分
Claims (2)
- 膜電極接合体に組み付けられる燃料電池用セパレーターであって、
前記膜電極接合体の発電領域と対向するセパレーター中央領域から外縁に延びる平板状の外縁部と、
前記セパレーター中央領域において、一方の面の側に形成された第1面側凹溝と、
前記セパレーター中央領域において、他方の面の側に形成された第2面側凹溝とを備え、
前記第1面側凹溝と前記第2面側凹溝とは、前記セパレーター中央領域に対するプレス成型による複数筋の凹凸条の形成により、前記セパレーター中央領域においてセパレーター表裏面で交互に並ぶと共に、前記第1面側凹溝であって最も外縁部側に位置する前記第1面側凹溝の底部壁は、前記セパレーターの中央領域に位置するその他の前記第1面側凹溝の底部壁よりも、凹溝開口端からの立ち上がり高さが低くされている
燃料電池用セパレーター。 - 膜電極接合体を第1のセパレーターと第2のセパレーターで挟持した燃料電池セルを複数積層した燃料電池であって、
前記燃料電池セルのそれぞれは、請求項1に記載の燃料電池用セパレーターを前記第1のセパレーターとして備えて、前記外縁部を前記膜電極接合体の発電領域外部位に接合させ、
隣り合って積層された燃料電池セルは、一方の燃料電池セルの前記第1のセパレーターが有する前記第1面側凹溝の底部壁を他方の燃料電池セルの前記第2のセパレーターに接触させる
燃料電池。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013206474A JP6090091B2 (ja) | 2013-10-01 | 2013-10-01 | 燃料電池 |
US15/022,050 US10153498B2 (en) | 2013-10-01 | 2014-09-30 | Fuel cell separator and fuel cell |
CN201480054180.XA CN105594038B (zh) | 2013-10-01 | 2014-09-30 | 燃料电池用分隔件及燃料电池 |
EP14850963.1A EP3054513B1 (en) | 2013-10-01 | 2014-09-30 | Fuel cell separator and fuel cell |
CA2925249A CA2925249C (en) | 2013-10-01 | 2014-09-30 | Fuel cell separator and fuel cell |
PCT/JP2014/004991 WO2015049859A1 (ja) | 2013-10-01 | 2014-09-30 | 燃料電池用セパレーターおよび燃料電池 |
KR1020167007946A KR101889201B1 (ko) | 2013-10-01 | 2014-09-30 | 연료 전지용 세퍼레이터 및 연료 전지 |
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JP2013206474A JP6090091B2 (ja) | 2013-10-01 | 2013-10-01 | 燃料電池 |
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JP2015069968A true JP2015069968A (ja) | 2015-04-13 |
JP2015069968A5 JP2015069968A5 (ja) | 2015-05-21 |
JP6090091B2 JP6090091B2 (ja) | 2017-03-08 |
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US (1) | US10153498B2 (ja) |
EP (1) | EP3054513B1 (ja) |
JP (1) | JP6090091B2 (ja) |
KR (1) | KR101889201B1 (ja) |
CN (1) | CN105594038B (ja) |
CA (1) | CA2925249C (ja) |
WO (1) | WO2015049859A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170004878A (ko) * | 2015-07-03 | 2017-01-11 | 주식회사 엘지화학 | 분리판, 이의 제조방법 및 이를 포함하는 연료전지 스택 |
JP2017084459A (ja) * | 2015-10-22 | 2017-05-18 | 本田技研工業株式会社 | 燃料電池 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014112607A1 (de) | 2014-09-02 | 2016-03-03 | Elringklinger Ag | Strömungselement, Bipolarplatte und Verfahren zum Herstellen eines Strömungselements |
JP6874723B2 (ja) * | 2018-03-14 | 2021-05-19 | トヨタ自動車株式会社 | 燃料電池スタック |
FR3079676B1 (fr) | 2018-03-27 | 2022-01-07 | Symbiofcell | Plaque bipolaire a canaux ondules |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07161365A (ja) * | 1993-12-06 | 1995-06-23 | Ishikawajima Harima Heavy Ind Co Ltd | 燃料電池用セパレータ |
JP2000113897A (ja) * | 1998-08-03 | 2000-04-21 | Toyota Motor Corp | 多連凹凸板および多連凹凸板用曲げ加工型ならびに多連凹凸板の製造方法およびその多連凹凸板を利用した燃料電池用セパレ―タ |
JP2006173090A (ja) * | 2004-11-17 | 2006-06-29 | Nissan Motor Co Ltd | 燃料電池スタックの製造方法及び燃料電池スタック |
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JP2007194077A (ja) | 2006-01-19 | 2007-08-02 | Toyota Motor Corp | 燃料電池 |
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-
2014
- 2014-09-30 WO PCT/JP2014/004991 patent/WO2015049859A1/ja active Application Filing
- 2014-09-30 KR KR1020167007946A patent/KR101889201B1/ko active IP Right Grant
- 2014-09-30 US US15/022,050 patent/US10153498B2/en active Active
- 2014-09-30 CA CA2925249A patent/CA2925249C/en active Active
- 2014-09-30 CN CN201480054180.XA patent/CN105594038B/zh active Active
- 2014-09-30 EP EP14850963.1A patent/EP3054513B1/en active Active
Patent Citations (8)
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JPH07161365A (ja) * | 1993-12-06 | 1995-06-23 | Ishikawajima Harima Heavy Ind Co Ltd | 燃料電池用セパレータ |
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KR20170004878A (ko) * | 2015-07-03 | 2017-01-11 | 주식회사 엘지화학 | 분리판, 이의 제조방법 및 이를 포함하는 연료전지 스택 |
CN107810572A (zh) * | 2015-07-03 | 2018-03-16 | 株式会社Lg化学 | 隔板、其制造方法和包括隔板的燃料电池堆 |
US10629919B2 (en) | 2015-07-03 | 2020-04-21 | Lg Chem, Ltd. | Separating plate, method for manufacturing same, and fuel cell stack comprising same |
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JP2017084459A (ja) * | 2015-10-22 | 2017-05-18 | 本田技研工業株式会社 | 燃料電池 |
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Publication number | Publication date |
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EP3054513A4 (en) | 2016-10-12 |
CA2925249A1 (en) | 2015-04-09 |
CA2925249C (en) | 2018-03-27 |
KR20160047547A (ko) | 2016-05-02 |
US10153498B2 (en) | 2018-12-11 |
KR101889201B1 (ko) | 2018-08-16 |
CN105594038B (zh) | 2017-12-01 |
JP6090091B2 (ja) | 2017-03-08 |
EP3054513A1 (en) | 2016-08-10 |
WO2015049859A1 (ja) | 2015-04-09 |
US20160233522A1 (en) | 2016-08-11 |
CN105594038A (zh) | 2016-05-18 |
EP3054513B1 (en) | 2018-07-04 |
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