JP2007200864A - バイポーラプレートおよび燃料電池 - Google Patents
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- 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
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- 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
- H01M8/0265—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
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- H—ELECTRICITY
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- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
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- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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- B21D5/10—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes
- B21D5/12—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles for making tubes making use of forming-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K13/00—Welding by high-frequency current heating
- B23K13/01—Welding by high-frequency current heating by induction heating
- B23K13/02—Seam welding
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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
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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
- 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
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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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/2457—Parallel ribs and/or grooves
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Abstract
【解決手段】流体入口141および流体出口142と、流体入口141と流体出口142との間に形成されて、流体入口141と流体出口142との間で流体を通過させる複数の流路チャンネル121、122とを備える燃料電池のバイポーラプレート100において、流路チャンネル121、122は、流体フローの方向で複数の区間(111、112)に区分されて、流体入口141側の区間111から流体出口142側の区間112に向かって、各々区間に形成される流路チャンネルの垂直断面積の総計が減少するバイポーラプレート100が提供される。
【選択図】図3
Description
図3は、本発明の第1実施形態に係るバイポーラプレートの一面、例えば空気(酸化剤)が供給される面(カソード電極側)を示す平面図である。
図6は、本発明の第2実施形態に係るバイポーラプレート100’の一部分を示す部分斜視図である。本発明の第1実施形態と実質的に同じ構成要素には、同じ符号を使用して詳細な説明は省略する。
図7は、本発明の第3実施形態に係るバイポーラプレート100’’の一部分を示す部分斜視図である。本発明の第1実施形態と実質的に同じ構成要素には、同じ符号を使用して詳細な説明は省略する。
図8は、本発明の第4実施形態に係るバイポーラプレート200の一面、例えば空気(酸化剤)が供給される面(カソード電極側)を示す平面図である。
2、172 アノード電極
3、174 カソード電極
4、100、100’、100’’、200 バイポーラプレート
21、31 触媒層
22 燃料拡散層
32 酸化剤拡散層
23、33 電極支持体
41、42、121、122、221、222、223 流路チャンネル
43a 燃料の入口
43b 燃料の出口
44a、141、241 酸化剤の入口
44b、142、242 酸化剤の出口
46、46’、130、130’、230、230’ マニフォールド
47、110、210 電極領域
48、131、132、231、232、233 ランド
111、211 第1区間
112、212 第2区間
114、214、215 混合区間
143、144、243、244 燃料通路ホール
145 ガスケット
150 障壁
160 分配部
170 メンブレン
180a、180b 終端導電性プレート
190a、190b 電流集電板
195a、195b 両固定用エンドプレート
213 第3区間
Claims (11)
- 流体入口および流体出口と;
前記流体入口と前記流体出口との間に形成されて、前記流体入口と前記流体出口との間で流体を通過させる複数の流路チャンネルと;
を備える燃料電池のバイポーラプレートにおいて、
前記流路チャンネルは、前記流体フローの方向で複数の区間に区分されて、
前記流体入口側の前記区間から前記流体出口側の前記区間に向かって、各々前記区間に形成される前記流路チャンネルの垂直断面積の総計が、減少することを特徴とする、バイポーラプレート。 - 前記流路チャンネルは、直線形状に形成されることを特徴とする、請求項1に記載のバイポーラプレート。
- 前記流体入口側の前記区間から前記流体出口側の前記区間に向かって、各々前記区間に形成される前記流路チャンネルの総開口面積は、拡大されることを特徴とする、請求項1または2に記載のバイポーラプレート。
- 前記区間の数は、2つまたは3つであることを特徴とする、請求項1〜3のいずれかに記載のバイポーラプレート。
- 各々の前記区間の前記流路チャンネルの数は、前記流体入口側から前記流体出口側に向かって増加することを特徴とする、請求項1〜4のいずれかに記載のバイポーラプレート。
- 前記区間の間には、複数の突出部が形成され、
複数の前記突出部は、障壁で形成され、
前記流路チャンネルから流れる前記流体は、複数の前記突出部の上を通過することを特徴とする、請求項1〜5のいずれかに記載のバイポーラプレート。 - 複数の前記突出部は、円柱状に形成され、
前記流路チャンネルから流れる前記流体は、前記突出部の周囲を通過することを特徴とする、請求項6に記載のバイポーラプレート。 - 電解質膜と、前記電解質膜の両面の各々に設けられるアノード電極およびカソード電極とを具備するメンブレン電極アセンブリが積層されて、複数の前記メンブレン電極アセンブリの間に介在される複数のバイポーラプレートを備える燃料電池において、
前記バイポーラプレートは、
前記アノード電極に燃料を供給するための燃料入口、燃料出口および複数の流路チャンネルを具備する第1表面と;
前記カソード電極に酸化剤を供給するための酸化剤入口、酸化剤出口および複数の流路チャンネルを具備する第2表面と;
を具備し、
前記アノード電極に前記燃料を供給する前記流路チャンネルおよび前記カソード電極に前記酸化剤を供給する前記流路チャンネルの少なくともいずれかは、前記燃料または前記酸化剤の流れる方向において、複数の区間に区分されて、
前記酸化剤入口側の前記区間から前記酸化剤出口側の前記区間に向かって、各々前記区間に形成される前記流路チャンネルの垂直断面積の総計が減少し、および/または、前記燃料入口側の前記区間から前記燃料出口側の前記区間に向かって、各々前記区間に形成される前記流路チャンネルの垂直断面積の総計が減少し、
前記区間の間には、複数の突出部が形成されることを特徴とする、燃料電池。 - 前記流路チャンネルは、直線形状に形成されることを特徴とする、請求項8に記載の燃料電池。
- 前記酸化剤入口側の前記区間から前記酸化剤出口側の前記区間に向かって、各々前記区間に形成される前記流路チャンネルの総開口面積は、拡大され、
前記燃料入口側の前記区間から前記燃料出口側の前記区間に向かって、各々前記区間に形成される前記流路チャンネルの総開口面積は、拡大されることを特徴とする、請求項8または9に記載の燃料電池。 - 前記区間の数は、2つまたは3つであることを特徴とする、請求項8〜10のいずれかに記載の燃料電池。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020060009008A KR100718113B1 (ko) | 2006-01-27 | 2006-01-27 | 연료전지의 바이폴라 플레이트 및 연료전지 |
KR10-2006-0009008 | 2006-01-27 |
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JP2007200864A true JP2007200864A (ja) | 2007-08-09 |
JP4755574B2 JP4755574B2 (ja) | 2011-08-24 |
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JP2006326520A Expired - Fee Related JP4755574B2 (ja) | 2006-01-27 | 2006-12-04 | バイポーラプレートおよび燃料電池 |
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US (1) | US8329358B2 (ja) |
JP (1) | JP4755574B2 (ja) |
KR (1) | KR100718113B1 (ja) |
CN (1) | CN100536203C (ja) |
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JP2011528159A (ja) * | 2008-07-15 | 2011-11-10 | ダイムラー・アクチェンゲゼルシャフト | 特に隣接する2つの膜電極構造間に配置するための、燃料電池構造用双極性プレート |
CN104713689A (zh) * | 2013-12-13 | 2015-06-17 | 中国科学院大连化学物理研究所 | 质子交换膜燃料电池电堆中透水双极板漏气检测方法 |
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WO2019116839A1 (ja) * | 2017-12-13 | 2019-06-20 | 日本碍子株式会社 | 燃料電池セル、及びセルスタック装置 |
JP2019106361A (ja) * | 2017-12-13 | 2019-06-27 | 日本碍子株式会社 | 燃料電池セル、及びセルスタック装置 |
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JP7555364B2 (ja) | 2022-02-16 | 2024-09-24 | 森村Sofcテクノロジー株式会社 | 集電体-電気化学反応単セル複合体、および、電気化学反応セルスタック |
Also Published As
Publication number | Publication date |
---|---|
US20070178359A1 (en) | 2007-08-02 |
KR100718113B1 (ko) | 2007-05-15 |
CN100536203C (zh) | 2009-09-02 |
US8329358B2 (en) | 2012-12-11 |
JP4755574B2 (ja) | 2011-08-24 |
CN101009377A (zh) | 2007-08-01 |
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