JP2015207549A - 分離板およびこれを含む燃料電池 - Google Patents
分離板およびこれを含む燃料電池 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 98
- 238000000926 separation method Methods 0.000 title claims abstract description 41
- 238000006243 chemical reaction Methods 0.000 claims abstract description 104
- 239000012495 reaction gas Substances 0.000 claims abstract description 47
- 238000005192 partition Methods 0.000 claims description 35
- 238000001816 cooling Methods 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 25
- 238000009792 diffusion process Methods 0.000 description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000003792 electrolyte Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 239000006262 metallic foam Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 3
- -1 hydrogen ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 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
- 239000006227 byproduct Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000009087 cell motility Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Abstract
【解決手段】開示された燃料電池用分離板50は、膜−電極アセンブリの両面に備えられ、反応気体を膜−電極アセンブリに供給するもので、膜−電極アセンブリに対応する反応面に形成される伝導性を有する微細多孔体60と、反応気体を流出入させる入口マニホールド50及び出口マニホールド52に連結し、反応気体を反応面53に誘導するチャンネル部とを含む燃料電池。
【選択図】図2
Description
30:気体拡散層
50:分離板
51:入口マニホールド
52:出口マニホールド
53:反応面
55:反応領域
60:微細多孔体
61:パート
70:チャンネル部
71:チャンネル
73:リブ
75:チャンネル群
80:隔壁
81:凹溝
90:冷却通路
Claims (18)
- 膜−電極アセンブリと、前記膜−電極アセンブリの両面に備えられる分離板とを含む燃料電池において、
前記膜−電極アセンブリに対応する前記分離板の反応面に形成され、反応気体を前記膜−電極アセンブリに供給する伝導性を有する微細多孔体を含み、
前記分離板は、前記反応気体を流出入させる入口および出口マニホールドと、前記入口マニホールドおよび出口マニホールドと連結し、反応気体を前記反応面に誘導するチャンネル部とを含むことを特徴とする燃料電池。 - 前記チャンネル部は、前記入口マニホールドおよび出口マニホールドから前記反応面に拡散するチャンネルを形成することを特徴とする請求項1に記載の燃料電池。
- 前記チャンネルは、前記入口マニホールドおよび出口マニホールドの一方から他方にいくほど長さが次第に長くなり、前記反応面に連結することを特徴とする請求項2に記載の燃料電池。
- 前記チャンネル部は、前記チャンネルの間にリブを形成することを特徴とする請求項2に記載の燃料電池。
- 前記分離板の反応面には、前記微細多孔体を複数個に分割する隔壁が形成されることを特徴とする請求項1に記載の燃料電池。
- 前記隔壁は、前記反応面の反対面に凹溝として形成され、前記反応面に突出して形成されることを特徴とする請求項5に記載の燃料電池。
- 前記凹溝は、冷却媒体を流動させる冷却通路として形成されることを特徴とする請求項6に記載の燃料電池。
- 前記分離板の反応面には、前記微細多孔体を複数個のパートに分割する隔壁が形成され、
前記隔壁は、前記リブと連結され、前記反応面を複数個の反応領域に区画することを特徴とする請求項4に記載の燃料電池。 - 前記隔壁は、前記チャンネルを前記各反応領域と連結する複数個のチャンネル群に区画することを特徴とする請求項8に記載の燃料電池。
- 膜−電極アセンブリの両面に備えられ、反応気体を前記膜−電極アセンブリに供給する燃料電池用分離板において、
前記膜−電極アセンブリに対応する反応面に形成される伝導性を有する微細多孔体と、
前記反応気体を流出入させる入口マニホールドおよび出口マニホールドに連結し、反応気体を前記反応面に誘導するチャンネル部と、
を含むことを特徴とする燃料電池用分離板。 - 前記チャンネル部は、前記入口マニホールドおよび出口マニホールドから前記反応面に拡散するチャンネルを形成することを特徴とする請求項10に記載の燃料電池用分離板。
- 前記チャンネル部は、前記入口マニホールドおよび出口マニホールドから前記反応面に連結するチャンネルを形成し、
前記チャンネルは、前記入口マニホールドおよび出口マニホールドの一方から他方にいくほど長さが次第に長くなり、前記反応面に連結することを特徴とする請求項10に記載の燃料電池用分離板。 - 前記チャンネルの間には、リブが突出形成されることを特徴とする請求項11または12に記載の燃料電池用分離板。
- 前記反応面に形成され、前記微細多孔体を複数個に分割する隔壁を含む請求項10に記載の燃料電池用分離板。
- 前記隔壁は、前記反応面の反対側面に凹溝として形成され、前記反応面に突出すことを特徴とする請求項14に記載の燃料電池用分離板。
- 前記凹溝は、冷却媒体を流動させる冷却通路として形成されることを特徴とする請求項15に記載の燃料電池用分離板。
- 前記チャンネル部は、前記入口マニホールドおよび出口マニホールドから前記反応面に連結するチャンネルを形成し、前記チャンネルの間にリブを形成し、
前記反応面には、前記微細多孔体を複数個のパートに分割する隔壁が形成され、
前記隔壁は、前記リブと連結され、前記反応面を複数個の反応領域に区画することを特徴とする請求項10に記載の燃料電池用分離板。 - 前記隔壁は、前記チャンネルを前記各反応領域と連結する複数個のチャンネル群に区画することを特徴とする請求項17に記載の燃料電池用分離板。
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JP6570587B2 (ja) * | 2017-09-07 | 2019-09-04 | 本田技研工業株式会社 | 燃料電池用セパレータ及び発電セル |
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JP6890916B2 (ja) | 2021-06-18 |
CN105006582B (zh) | 2019-08-13 |
KR101664035B1 (ko) | 2016-10-10 |
US9680165B2 (en) | 2017-06-13 |
DE102015205227A1 (de) | 2015-10-22 |
US20150303492A1 (en) | 2015-10-22 |
KR20150121959A (ko) | 2015-10-30 |
CN105006582A (zh) | 2015-10-28 |
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