JP4523431B2 - 固体高分子形燃料電池 - Google Patents
固体高分子形燃料電池 Download PDFInfo
- Publication number
- JP4523431B2 JP4523431B2 JP2005015215A JP2005015215A JP4523431B2 JP 4523431 B2 JP4523431 B2 JP 4523431B2 JP 2005015215 A JP2005015215 A JP 2005015215A JP 2005015215 A JP2005015215 A JP 2005015215A JP 4523431 B2 JP4523431 B2 JP 4523431B2
- Authority
- JP
- Japan
- Prior art keywords
- separator
- fuel cell
- gasket
- polymer electrolyte
- electrolyte fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
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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
- H01M8/02—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
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1007—Fuel cells with solid electrolytes 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
-
- 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
(実施例1)
図5は、図1の上面から見たセパレータの断面構造を示す。このガス流路溝11に図6に示す被覆部品21を挿入する。被覆部品はガス流路を形成する脚部2と脱落防止凸部(脚部)22を有する。脚部2及び脱落防止凸部22は支持部8によって一体化されている。脚部2の先端は流路溝の底面と十分に接触する長さであるのが好ましい。被覆部品を流路溝11内に挿入した状態が、図7に示されている。支持部8の上面は、セパレータの上面よりもわずかに(L:例えば、数十ミクロンから数百ミクロン)低くなっていて、燃料電池が動作するときに、被覆部品がより膨張して、ガスケットとよく密着するので、ガスリークを防止することができる。また、このように、段差を設けることにより、セパレータの流路溝及び被覆部品の寸法精度の要求が緩和され、加工が容易となる。
(実施例2)
S2を用いて行ったと同じ気密試験条件にて、本発明のS1におけるアノードとカソードの圧力変化を測定した(図8)。本発明のセパレータを用いた20セルスタックS1の場合、内部リーク量が極めて小さくなった。
Claims (6)
- 一対の電極間に電解質膜を挟んで、ガス拡散層とセパレータを積層して構成された発電ユニットの電極面の周辺部における、セパレータ、ガスケット、電解質膜、ガスケット及びセパレータの順に積層された積層部において前記セパレータのガス流路溝内に、その深さ方向に伸びる複数のガス流路形成脚部と該ガス流路形成脚部を一体化する支持部とを有する被覆部品を装填し、前記被覆部品の支持部の面と前記ガスケットと接する前記セパレータの面の間に段差が形成され、前記発電ユニットの運転時において、前記被覆部品の支持部が前記ガスケットと圧接するように前記被覆部品の熱膨張係数が前記セパレータの熱膨張係数よりも大きいことを特徴とする固体高分子形燃料電池。
- 上記被覆部品は、燃料電池の開回路状態におけるアノードの電位において還元されず、かつその状態におけるカソードの電位において酸化されない材料であることを特徴とする請求項1記載の固体高分子形燃料電池。
- 上記被覆部品が上記ガス流路形成脚部を有することを特徴とする請求項1記載の固体高分子形燃料電池。
- 上記被覆部品が更に上記ガス流路形成脚よりも長い脱落防止脚部を有することを特徴とする請求項3記載の固体高分子形燃料電池。
- 請求項1〜4いずれかに記載の固体高分子形燃料電池を搭載した発電システム。
- 請求項1〜4のいずれかに記載の固体高分子形燃料電池を搭載した移動体。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005015215A JP4523431B2 (ja) | 2005-01-24 | 2005-01-24 | 固体高分子形燃料電池 |
US11/336,848 US20060166066A1 (en) | 2005-01-24 | 2006-01-23 | Solid-polymer electrolyte fuel cell |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005015215A JP4523431B2 (ja) | 2005-01-24 | 2005-01-24 | 固体高分子形燃料電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006202672A JP2006202672A (ja) | 2006-08-03 |
JP4523431B2 true JP4523431B2 (ja) | 2010-08-11 |
Family
ID=36697177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005015215A Expired - Fee Related JP4523431B2 (ja) | 2005-01-24 | 2005-01-24 | 固体高分子形燃料電池 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060166066A1 (ja) |
JP (1) | JP4523431B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5240817B2 (ja) * | 2007-11-26 | 2013-07-17 | Necエナジーデバイス株式会社 | リチウムイオン二次電池 |
NL2022069B1 (en) * | 2018-11-23 | 2020-06-05 | Hyet Holding B V | Solid-state compressor |
US20220231310A1 (en) * | 2019-09-09 | 2022-07-21 | Nok Corporation | Seal structure for fuel cell separator |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07326373A (ja) * | 1994-05-31 | 1995-12-12 | Aisin Seiki Co Ltd | 燃料電池装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4040598A (en) * | 1969-11-13 | 1977-08-09 | Institut Francais Du Petrole, Des Carburants Et Lubrifiants | Device for the sealing of a block formed of a pile of plates, such as a block of a fuel cell, while maintaining free passageways between these plates |
JP4094265B2 (ja) * | 2001-09-25 | 2008-06-04 | 株式会社日立製作所 | 燃料電池発電装置とそれを用いた装置 |
JP4021398B2 (ja) * | 2003-10-27 | 2007-12-12 | 株式会社日立製作所 | 燃料電池及びそれに用いるセパレータ構造体 |
JP4312624B2 (ja) * | 2004-02-13 | 2009-08-12 | 三菱電機株式会社 | 温度湿度交換器 |
-
2005
- 2005-01-24 JP JP2005015215A patent/JP4523431B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-23 US US11/336,848 patent/US20060166066A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07326373A (ja) * | 1994-05-31 | 1995-12-12 | Aisin Seiki Co Ltd | 燃料電池装置 |
Also Published As
Publication number | Publication date |
---|---|
US20060166066A1 (en) | 2006-07-27 |
JP2006202672A (ja) | 2006-08-03 |
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