JP2009302037A - 燃料電池スタック用分離板及びその製造方法 - Google Patents
燃料電池スタック用分離板及びその製造方法 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M8/00—Fuel cells; Manufacture thereof
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
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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
- H01M8/24—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
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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
- H01M8/24—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
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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
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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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
- 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
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- 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
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- 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
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- 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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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49112—Electric battery cell making including laminating of indefinite length material
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Abstract
【解決手段】 本発明の燃料電池スタック用分離板は、内部には多数の冷却水流路が貫通形成され、一方の外表面と他方の外表面で、前記冷却水流路のすれ違う位置に水素流路及び空気流路が形成された構造のチャンネル部、前記チャンネル部の両端に一体に形成され、各冷却水流路と連通される一つの内部空間を有する導入部と、前記導入部の両端に一体に形成されるマニホールドで構成され、前記マニホールド部の冷却水入出口マニホールドと、前記導入部の内部空間との間を区分する仕切り板には、冷却水流出入口が貫通形成されることを特徴とする。
【選択図】 図4
Description
特許文献1には、金属板両表面に樹脂薄層からなる密着層を形成し、その上に黒鉛粉末を直接圧縮成形して燃料電池用セパレータを得る方法が記載されている。
11 単位セル
12 電極膜
13 電解質膜
14 燃料極
15 空気極
16 ガス拡散層
17 ガスケット
18 分離板
20 水素流路
22 空気流路
24 チャンネル部
26 マニホールド部
26a 空気吸入マニホールド
26b 冷却水入口マニホールド
26c 水素吸入マニホールド
26d 空気排気マニホールド
26e 冷却水出口マニホールド
26f 水素排気マニホールド
28 冷却水流路
30 複合材料
32 中空形部材
34 上型
36 下型
38 水素又は空気流路形成用凹凸区間
40 インサート
50 導入部
52 内部空間
54 仕切り板
56 冷却水流入口
58 冷却水流出口
60 水素側ガスケット
62 空気側ガスケット
60a,60b,62a,62b 貫通溝
Claims (8)
- 内部には多数の冷却水流路が貫通形成され、一方の外表面と多方の外表面で、前記冷却水流路のすれ違う位置に水素流路及び空気流路が形成された構造のチャンネル部、
前記チャンネル部の両端に一体に形成され、各冷却水流路と連通される一つの内部空間を有する導入部と、
前記導入部の両端に一体に形成されるマニホールドで構成され、前記マニホールド部の冷却水入出口マニホールドと、前記導入部の内部空間との間を区分する仕切り板には、冷却水流出入口が貫通形成されることを特徴とする燃料電池スタック用分離板。 - 前記チャンネル部、導入部と、マニホールド部は、複合材料により一体に成形され、前記複合材料は、熱硬化性及び可塑性樹脂を基盤とする炭素繊維プリプレグ、又は伝導性の炭素繊維、カーボンブラック、黒鉛粒子、金属粒子が含有されたポリマーであることを特徴とする、請求項1に記載の燃料電池スタック用分離板。
- 前記チャンネル部の冷却水流路内には、中空形部材が挿入されることを特徴とする、請求項1に記載の燃料電池スタック用分離板。
- 前記中空形部材は、金属パイプ、複合材料パイプ、PVCパイプの中から選択されたいずれか1種であることを特徴とする、請求項3に記載の燃料電池スタック用分離板。
- 所望する分離板のサイズに合わせて裁断された半硬化状態である2枚の複合材料を具備する段階、
複数の中空形部材を前記2枚の複合材料との間に配列しながら、水素又は空気流路形成用凹凸表面を有するホットプレスの下型に安着させるか、冷却水流路形成のための複数のインサートを前記2枚の複合材料との間に配列しながら、水素又は空気流路形成用凹凸表面を有するホットプレスの下型に安着させる段階、
水素又は空気流路形成用凹凸表面を有するホットプレスの上型を前記下型側に下降させ、前記2枚の複合材料を一体となるように圧着硬化させる高温加圧成形段階、
前記複合材料の両表面に各々水素及び空気流路が形成されると同時に、その内部の中空形部材が冷却水流路となる構造に製作された分離板、又は前記インサートが挿入された状態で、複合材料の両表面に各々水素及び空気流路が形成された分離板を脱型させる段階、及び
前記複合材料内部のインサートを除去して冷却水流路を形成する段階、
を含むことを特徴とする燃料電池スタック用分離板の製造方法。 - 前記インサートは、特定溶媒に溶解されるか、分解される物質で製作されるか、溶点が200℃以下である物質で製作されることを特徴とする、請求項5に記載の燃料電池スタック用分離板の製造方法。
- 前記インサートとして、特定溶媒に溶解されるか、分解される物質を採択した場合、前記加圧成形段階後、別途にインサートを溶媒で溶解させるか、分解させて除去する段階が更に行われることを特徴とする、請求項5又は6に記載の燃料電池スタック用分離板の製造方法。
- 前記インサートとして、溶点が200℃以下である物質を採択した場合、前記高温加圧成形段階時に、溶解して除去されることを特徴とする、請求項5又は6に記載の燃料電池スタック用分離板の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080055008A KR20090128974A (ko) | 2008-06-12 | 2008-06-12 | 연료전지 스택용 분리판 및 그 제조 방법 |
KR10-2008-0055008 | 2008-06-12 |
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Publication Number | Publication Date |
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JP2009302037A true JP2009302037A (ja) | 2009-12-24 |
JP5368828B2 JP5368828B2 (ja) | 2013-12-18 |
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JP2009044841A Expired - Fee Related JP5368828B2 (ja) | 2008-06-12 | 2009-02-26 | 燃料電池スタック用分離板及びその製造方法 |
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Country | Link |
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US (1) | US20090311566A1 (ja) |
JP (1) | JP5368828B2 (ja) |
KR (1) | KR20090128974A (ja) |
CN (1) | CN101604736A (ja) |
DE (1) | DE102009001185A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013125611A (ja) * | 2011-12-13 | 2013-06-24 | Panasonic Corp | 燃料電池用セパレータ、及び燃料電池 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8535843B2 (en) * | 2008-12-05 | 2013-09-17 | Hyundai Motor Company | Fuel cell bipolar plate for preventing flooding |
KR101173059B1 (ko) | 2010-09-29 | 2012-08-13 | 한국과학기술원 | 고분자 전해질 연료전지용 복합재료 분리판 및 이의 제조방법 |
KR101491372B1 (ko) | 2013-12-17 | 2015-02-06 | 현대자동차주식회사 | 연료 전지 분리판 및 이를 포함하는 연료 전지 스택 |
KR101655151B1 (ko) * | 2014-04-29 | 2016-09-07 | 현대자동차 주식회사 | 연료전지용 분리판 및 이를 포함하는 연료전지 스택 |
JP7040131B2 (ja) * | 2018-03-02 | 2022-03-23 | トヨタ自動車株式会社 | セパレータの製造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000285930A (ja) * | 1999-03-31 | 2000-10-13 | Mitsubishi Heavy Ind Ltd | 燃料電池用セパレータ及びその製造方法 |
WO2001059864A1 (fr) * | 2000-02-08 | 2001-08-16 | Matsushita Electric Industrial Co., Ltd. | Pile a combustible electrolytique polymerique |
JP2001266910A (ja) * | 2000-03-22 | 2001-09-28 | Aisin Seiki Co Ltd | 固体高分子電解質型燃料電池およびその製造方法 |
JP2002093432A (ja) * | 2000-09-14 | 2002-03-29 | Mitsubishi Heavy Ind Ltd | 固体高分子燃料電池用セパレータの製造方法 |
JP2003077498A (ja) * | 2001-09-06 | 2003-03-14 | Nippon Soken Inc | 燃料電池 |
JP2006156173A (ja) * | 2004-11-30 | 2006-06-15 | Nissan Motor Co Ltd | 管材を用いた燃料電池用セパレータ、燃料電池および燃料電池用セパレータの製造方法 |
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US7081312B1 (en) * | 2000-09-26 | 2006-07-25 | General Motors Corporation | Multiple stage combustion process to maintain a controllable reformation temperature profile |
US7494737B2 (en) * | 2005-12-08 | 2009-02-24 | Panasonic Corporation | Fuel cell having manifold apertures and cover plates |
-
2008
- 2008-06-12 KR KR1020080055008A patent/KR20090128974A/ko not_active Application Discontinuation
-
2009
- 2009-02-26 JP JP2009044841A patent/JP5368828B2/ja not_active Expired - Fee Related
- 2009-02-26 DE DE102009001185A patent/DE102009001185A1/de not_active Withdrawn
- 2009-02-27 US US12/394,337 patent/US20090311566A1/en not_active Abandoned
- 2009-03-06 CN CNA2009101178320A patent/CN101604736A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000285930A (ja) * | 1999-03-31 | 2000-10-13 | Mitsubishi Heavy Ind Ltd | 燃料電池用セパレータ及びその製造方法 |
WO2001059864A1 (fr) * | 2000-02-08 | 2001-08-16 | Matsushita Electric Industrial Co., Ltd. | Pile a combustible electrolytique polymerique |
JP2001266910A (ja) * | 2000-03-22 | 2001-09-28 | Aisin Seiki Co Ltd | 固体高分子電解質型燃料電池およびその製造方法 |
JP2002093432A (ja) * | 2000-09-14 | 2002-03-29 | Mitsubishi Heavy Ind Ltd | 固体高分子燃料電池用セパレータの製造方法 |
JP2003077498A (ja) * | 2001-09-06 | 2003-03-14 | Nippon Soken Inc | 燃料電池 |
JP2006156173A (ja) * | 2004-11-30 | 2006-06-15 | Nissan Motor Co Ltd | 管材を用いた燃料電池用セパレータ、燃料電池および燃料電池用セパレータの製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013125611A (ja) * | 2011-12-13 | 2013-06-24 | Panasonic Corp | 燃料電池用セパレータ、及び燃料電池 |
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JP5368828B2 (ja) | 2013-12-18 |
US20090311566A1 (en) | 2009-12-17 |
DE102009001185A1 (de) | 2009-12-17 |
KR20090128974A (ko) | 2009-12-16 |
CN101604736A (zh) | 2009-12-16 |
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