KR100525974B1 - 연료전지 - Google Patents
연료전지 Download PDFInfo
- Publication number
- KR100525974B1 KR100525974B1 KR10-2003-0054003A KR20030054003A KR100525974B1 KR 100525974 B1 KR100525974 B1 KR 100525974B1 KR 20030054003 A KR20030054003 A KR 20030054003A KR 100525974 B1 KR100525974 B1 KR 100525974B1
- Authority
- KR
- South Korea
- Prior art keywords
- gas
- flow path
- gas flow
- diffusion layer
- separator plate
- Prior art date
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 229
- 238000009792 diffusion process Methods 0.000 claims abstract description 96
- 239000003054 catalyst Substances 0.000 claims abstract description 46
- 239000012528 membrane Substances 0.000 claims description 28
- 239000005518 polymer electrolyte Substances 0.000 claims description 27
- 239000002737 fuel gas Substances 0.000 claims description 11
- 239000007800 oxidant agent Substances 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 37
- 239000012495 reaction gas Substances 0.000 abstract description 29
- 229910052799 carbon Inorganic materials 0.000 description 86
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 83
- 239000004745 nonwoven fabric Substances 0.000 description 53
- 230000000052 comparative effect Effects 0.000 description 32
- 239000000498 cooling water Substances 0.000 description 29
- 239000000463 material Substances 0.000 description 12
- 230000007423 decrease Effects 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 102100025532 Male-enhanced antigen 1 Human genes 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 101710176308 Male-enhanced antigen 1 Proteins 0.000 description 9
- 150000001721 carbon Chemical class 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000035699 permeability Effects 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 8
- 239000006185 dispersion Substances 0.000 description 7
- 238000010248 power generation Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000003792 electrolyte Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000005871 repellent Substances 0.000 description 6
- 102100032565 Golgin subfamily A member 3 Human genes 0.000 description 5
- 101710175964 Golgin subfamily A member 3 Proteins 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000002940 repellent Effects 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 229920002239 polyacrylonitrile Polymers 0.000 description 4
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 239000006230 acetylene black Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 239000011162 core material Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003411 electrode reaction Methods 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 101000575041 Homo sapiens Male-enhanced antigen 1 Proteins 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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
- H01M8/0258—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
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8605—Porous 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
- H01M8/02—Details
-
- 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
- H01M8/023—Porous and characterised by the material
- H01M8/0241—Composites
- H01M8/0245—Composites in the form of layered or coated products
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0232—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
- H01M8/023—Porous and characterised by the material
- H01M8/0234—Carbonaceous material
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Composite Materials (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims (5)
- 고분자 전해질막, 상기 고분자 전해질막을 끼운 한 쌍의 전극, 및 상기 전극의 바깥쪽에 배치되어 상기 전극에 연료가스 또는 산화제가스를 공급하는 가스유로를 가진 한 쌍의 세퍼레이터판을 구비하고, 상기 전극이 촉매층 및 가스확산층으로 이루어지며, 상기 가스확산층은 상기 세퍼레이터판에 바로 접하는 표면 A와 상기 가스유로에 임하는(면하는) 표면 B를 가지며, 표면 A를 가진 부분의 기공율이 표면 B를 가진 부분의 기공율보다도 낮고, 또한 표면 B가 상기 가스유로내로 돌출하고 있으며, 상기 가스확산층의 표면 A를 가진 부분의 기공율과 표면 B를 가진 부분의 기공율의 비가 0.20∼0.85인 연료전지.
- 삭제
- 제 1 항 또는 제 2 항에 있어서, 상기 가스확산층의 표면 B가 상기 가스유로내에 0.10∼0.25mm 돌출하고 있는 연료전지.
- 제 1 항 또는 제 2 항에 있어서, 상기 가스유로는, 그 폭이 1.0∼2.0mm, 깊이가 1.0∼2.0mm이고, 상기 가스유로사이에 형성되는 리브의 폭이 0.5∼1.0mm인 연료전지.
- 제 3 항에 있어서, 상기 가스유로는, 그 폭이 1.0∼2.0mm, 깊이가 1.0∼2.0mm이고, 상기 가스유로사이에 형성되는 리브의 폭이 0.5∼1.0mm인 연료전지.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002230538 | 2002-08-07 | ||
JPJP-P-2002-00230538 | 2002-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040014273A KR20040014273A (ko) | 2004-02-14 |
KR100525974B1 true KR100525974B1 (ko) | 2005-11-03 |
Family
ID=31972376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0054003A KR100525974B1 (ko) | 2002-08-07 | 2003-08-05 | 연료전지 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6960407B2 (ko) |
EP (1) | EP1403947A3 (ko) |
KR (1) | KR100525974B1 (ko) |
CN (1) | CN1298070C (ko) |
DE (1) | DE03018056T1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100767521B1 (ko) | 2006-09-28 | 2007-10-17 | 현대자동차주식회사 | 촉매가 불균일하게 도포된 연료전지용 막-전극 접합체 |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1469542A1 (en) | 2003-04-09 | 2004-10-20 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte fuel cell |
CA2464204C (en) * | 2003-04-14 | 2009-08-11 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte fuel cell and conductive separator for the same |
US6936362B2 (en) * | 2003-04-14 | 2005-08-30 | General Motors Corporation | Variable pressure drop stack |
US20050014056A1 (en) * | 2003-07-14 | 2005-01-20 | Umicore Ag & Co. Kg | Membrane electrode unit for electrochemical equipment |
US20050142432A1 (en) * | 2003-12-29 | 2005-06-30 | Reiser Carl A. | Fuel cell with randomly-dispersed carbon fibers in a backing layer |
JP4197514B2 (ja) * | 2004-02-25 | 2008-12-17 | 三星エスディアイ株式会社 | 燃料電池システム及びスタック |
FR2867903B1 (fr) * | 2004-03-22 | 2008-10-03 | Commissariat Energie Atomique | Pile a combustible a electrolyte solide a structure etanche |
CN1938888A (zh) * | 2004-04-19 | 2007-03-28 | Lg电子株式会社 | 燃料电池 |
JP2006049226A (ja) * | 2004-08-09 | 2006-02-16 | Nissan Motor Co Ltd | 燃料電池 |
US7687184B2 (en) | 2004-10-19 | 2010-03-30 | Panasonic Corporation | Membrane electrode assembly with a fibrous substrate, method for producing the same and polymer electrolyte fuel cell |
CN100405647C (zh) * | 2005-03-18 | 2008-07-23 | 松下电器产业株式会社 | 直接型燃料电池 |
JP5403198B2 (ja) * | 2005-06-03 | 2014-01-29 | 株式会社Gsユアサ | 水素製造装置、それを用いた燃料電池発電装置、電気自動車、潜水船及び水素供給システム |
US20070003821A1 (en) * | 2005-06-30 | 2007-01-04 | Freudenberg-Nok General Partnership | Integrally molded gasket for a fuel cell assembly |
CN100559642C (zh) * | 2005-09-06 | 2009-11-11 | Nok株式会社 | 燃料电池用结构部件 |
JP5128072B2 (ja) * | 2005-12-27 | 2013-01-23 | 三星エスディアイ株式会社 | 燃料電池発電システム |
US7829230B2 (en) | 2007-07-17 | 2010-11-09 | Gm Global Technology Operations, Inc. | Method for optimizing diffusion media with spatially varying mass transport resistance |
JP2010277994A (ja) * | 2009-04-27 | 2010-12-09 | Toppan Printing Co Ltd | 固体高分子形燃料電池の単セル及び固体高分子形燃料電池のスタック |
KR101240973B1 (ko) * | 2010-09-29 | 2013-03-11 | 기아자동차주식회사 | 국부 친수성 가스 확산층과 이를 포함하는 연료전지 스택 |
JP4932960B1 (ja) * | 2010-12-20 | 2012-05-16 | 日本碍子株式会社 | 固体酸化物形燃料電池 |
JP6011837B2 (ja) * | 2011-04-06 | 2016-10-19 | 日産自動車株式会社 | 燃料電池 |
CN103891008B (zh) | 2011-12-14 | 2016-07-20 | 株式会社Lg化学 | 具体改善的可靠性的电池模块组件和采用该电池模块组件的电池组 |
DE102013008815A1 (de) * | 2012-05-27 | 2013-11-28 | Daimler Ag | Konvektives Strömungsfeld für einen Brennstoffzellenstapel |
CN105917506B (zh) * | 2014-01-16 | 2018-10-09 | 奥迪股份公司 | 具有多种密度的燃料电池微孔层 |
GB201405659D0 (en) * | 2014-03-28 | 2014-05-14 | Univ Cape Town | Fuel cell MEA with combined metal gas diffusion layer and microporous layer |
KR101816342B1 (ko) | 2014-12-12 | 2018-01-08 | 현대자동차주식회사 | 연료전지 스택 |
KR101878034B1 (ko) * | 2016-05-24 | 2018-07-16 | 현대자동차주식회사 | 연료전지 및 그 제조방법 |
KR101966096B1 (ko) * | 2016-09-28 | 2019-04-05 | 현대자동차 주식회사 | 연료 전지 및 기체 확산층의 제조 방법 |
JP6958523B2 (ja) * | 2018-09-18 | 2021-11-02 | トヨタ自動車株式会社 | 燃料電池 |
JP7591757B2 (ja) * | 2020-06-30 | 2024-11-29 | パナソニックIpマネジメント株式会社 | 燃料電池 |
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US4426340A (en) * | 1981-09-29 | 1984-01-17 | United Technologies Corporation | Process for fabricating ribbed electrode substrates and other articles |
US5300370A (en) * | 1992-11-13 | 1994-04-05 | Ballard Power Systems Inc. | Laminated fluid flow field assembly for electrochemical fuel cells |
JPH07235308A (ja) * | 1993-12-29 | 1995-09-05 | Toshiba Corp | 電気化学反応に使用される電極及びこれを用いた燃料電池 |
JPH07220742A (ja) * | 1994-01-27 | 1995-08-18 | Matsushita Electric Ind Co Ltd | 固体高分子電解質型燃料電池及び該燃料電池の電極−イオン交換膜接合体の製造方法 |
US5783325A (en) * | 1996-08-27 | 1998-07-21 | The Research Foundation Of State Of New York | Gas diffusion electrodes based on poly(vinylidene fluoride) carbon blends |
US6007933A (en) | 1998-04-27 | 1999-12-28 | Plug Power, L.L.C. | Fuel cell assembly unit for promoting fluid service and electrical conductivity |
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US6689439B2 (en) * | 2000-03-08 | 2004-02-10 | Zbigniew S. Sobolewski | Micro-stud diffusion substrate for use in fuel cells |
EP1246282B1 (en) * | 2000-08-17 | 2009-04-29 | Panasonic Corporation | Polymer electrolyte type fuel cell |
US20030211376A1 (en) * | 2002-03-26 | 2003-11-13 | Matsushita Electric Industrial Co., Ltd. | Polymer electrolyte fuel cell, method of manufacturing the same and inspection method therefor |
US7396601B2 (en) * | 2003-04-14 | 2008-07-08 | General Motors Corporation | Flow control for multiple stacks |
-
2003
- 2003-08-05 KR KR10-2003-0054003A patent/KR100525974B1/ko not_active IP Right Cessation
- 2003-08-06 US US10/635,692 patent/US6960407B2/en not_active Expired - Lifetime
- 2003-08-07 DE DE0001403947T patent/DE03018056T1/de active Pending
- 2003-08-07 EP EP03018056A patent/EP1403947A3/en not_active Withdrawn
- 2003-08-07 CN CNB031584306A patent/CN1298070C/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100767521B1 (ko) | 2006-09-28 | 2007-10-17 | 현대자동차주식회사 | 촉매가 불균일하게 도포된 연료전지용 막-전극 접합체 |
Also Published As
Publication number | Publication date |
---|---|
CN1298070C (zh) | 2007-01-31 |
CN1495953A (zh) | 2004-05-12 |
KR20040014273A (ko) | 2004-02-14 |
EP1403947A2 (en) | 2004-03-31 |
US20040058223A1 (en) | 2004-03-25 |
DE03018056T1 (de) | 2004-08-26 |
US6960407B2 (en) | 2005-11-01 |
EP1403947A3 (en) | 2006-01-18 |
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