JP4998656B2 - 燃料電池セルの密封構造 - Google Patents
燃料電池セルの密封構造 Download PDFInfo
- Publication number
- JP4998656B2 JP4998656B2 JP2004297217A JP2004297217A JP4998656B2 JP 4998656 B2 JP4998656 B2 JP 4998656B2 JP 2004297217 A JP2004297217 A JP 2004297217A JP 2004297217 A JP2004297217 A JP 2004297217A JP 4998656 B2 JP4998656 B2 JP 4998656B2
- Authority
- JP
- Japan
- Prior art keywords
- elastic body
- fuel cell
- separator
- membrane electrode
- electrode assembly
- 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 - Lifetime
Links
- 239000000446 fuel Substances 0.000 title claims description 41
- 238000007789 sealing Methods 0.000 title claims description 27
- 239000012528 membrane Substances 0.000 claims description 37
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 24
- 238000009792 diffusion process Methods 0.000 description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 230000001590 oxidative effect Effects 0.000 description 9
- 239000001257 hydrogen Substances 0.000 description 8
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000013013 elastic material Substances 0.000 description 4
- 239000005518 polymer electrolyte Substances 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
- 229920001971 elastomer Polymers 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- 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
- Fuel Cell (AREA)
Description
11 高分子電解質膜
12 触媒電極
13 ガス拡散層
2 セパレータ
21 溝
22 フランジ部
22a 突条
3 弾性体
31 弾性層
32 端壁部
33 ゴム含浸層
4 流路
A 流路形成領域
Claims (2)
- 膜電極複合体(1)とその厚さ方向両側のセパレータ(2)との間に形成された流路(4)を密封する構造であって、各セパレータ(2)の間に前記流路(4)の形成領域(A)を取り囲むように配置された弾性体(3)が前記膜電極複合体(1)に装着され、前記各セパレータ(2)が金属板からなるものであって、このセパレータ(2)に、前記流路(4)の形成領域(A)を取り囲むように延びて前記弾性体(3)に圧接される突条(22a)が前記金属板のプレス成形により屈曲形成され、この突条(22a)が、前記弾性体(3)の両側で互いに異なる位置に形成されたことを特徴とする燃料電池セルの密封構造。
- 弾性体(3)が、膜電極複合体(1)の外周面に接合されたことを特徴とする請求項1に記載の燃料電池セルの密封構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004297217A JP4998656B2 (ja) | 2004-10-12 | 2004-10-12 | 燃料電池セルの密封構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004297217A JP4998656B2 (ja) | 2004-10-12 | 2004-10-12 | 燃料電池セルの密封構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006114227A JP2006114227A (ja) | 2006-04-27 |
JP4998656B2 true JP4998656B2 (ja) | 2012-08-15 |
Family
ID=36382588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004297217A Expired - Lifetime JP4998656B2 (ja) | 2004-10-12 | 2004-10-12 | 燃料電池セルの密封構造 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4998656B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5087863B2 (ja) * | 2006-06-09 | 2012-12-05 | トヨタ自動車株式会社 | 燃料電池 |
JP5146012B2 (ja) * | 2008-02-29 | 2013-02-20 | 日産自動車株式会社 | 燃料電池用膜電極接合体 |
JP5683085B2 (ja) * | 2008-08-11 | 2015-03-11 | 大日本印刷株式会社 | 補強シート付き電解質膜−触媒層積層体及びそれを具備する固体高分子形燃料電池 |
WO2010030654A1 (en) * | 2008-09-09 | 2010-03-18 | Bdf Ip Holdings Ltd. | Low compressive load seal design for solid polymer electrolyte fuel cell |
JP6168641B2 (ja) * | 2011-05-13 | 2017-07-26 | 日産自動車株式会社 | 燃料電池 |
JP6274608B2 (ja) * | 2012-03-15 | 2018-02-07 | 日産自動車株式会社 | 燃料電池 |
JP5823933B2 (ja) * | 2012-08-02 | 2015-11-25 | 株式会社日本自動車部品総合研究所 | 燃料電池 |
DE102013014083A1 (de) * | 2013-08-27 | 2015-03-05 | Elcomax Gmbh | Verfahren zur Herstellung einer Membran-Elektroden-Einheit mit umlaufender Dichtung sowie Membran-Elektroden-Einheit |
DE102016202010A1 (de) | 2016-02-10 | 2017-08-10 | Volkswagen Aktiengesellschaft | Bipolarplatte mit asymmetrischen Dichtungsabschnitten, sowie Brennstoffzellenstapel mit einer solchen |
WO2024082129A1 (en) * | 2022-10-18 | 2024-04-25 | Schaeffler Technologies AG & Co. KG | Energy conversion unit and energy conversion device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05101837A (ja) * | 1991-10-07 | 1993-04-23 | Mitsubishi Heavy Ind Ltd | 燃料電池のシール構造 |
JPH0845517A (ja) * | 1994-07-28 | 1996-02-16 | Tanaka Kikinzoku Kogyo Kk | 高分子電解質型燃料電池用シール構造及びその製造方法 |
JPH09199145A (ja) * | 1996-01-22 | 1997-07-31 | Toyota Motor Corp | 燃料電池および燃料電池の製造方法 |
JP3569491B2 (ja) * | 2000-12-05 | 2004-09-22 | 本田技研工業株式会社 | 燃料電池用セパレータおよび燃料電池 |
-
2004
- 2004-10-12 JP JP2004297217A patent/JP4998656B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2006114227A (ja) | 2006-04-27 |
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