JP2021111552A - 燃料電池用セパレータ部材、燃料電池スタック及び燃料電池用セパレータ部材の製造方法 - Google Patents
燃料電池用セパレータ部材、燃料電池スタック及び燃料電池用セパレータ部材の製造方法 Download PDFInfo
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Abstract
Description
14…積層体
36…第1金属セパレータ(第1セパレータ)
38…第2金属セパレータ(第2セパレータ)
39…接合セパレータ 48…MEA(電解質膜・電極構造体)
52…電解質膜 82a、82b…荷重受け部材
84a、84b…第1支持部 85a、85b…第1膨出部
86a、86b…第2支持部 87a、87b…第2膨出部
88…タブ 90…取付部
102、104…接合部 102a、104a…第1接合部
102b、104b…第2接合部 106…リブ
108a、108b…第1リブ 110a、110b…第2リブ
Claims (8)
- 第1セパレータと第2セパレータとを互いに積層した状態で接合されてなる接合セパレータと、前記接合セパレータの外周部から前記接合セパレータの外方に突出した荷重受け部材と、を備え、
前記荷重受け部材は、前記接合セパレータの前記外周部に固定される、燃料電池用セパレータ部材であって、
前記荷重受け部材は、前記第1セパレータの外周部と前記第2セパレータの外周部との間に配置された取付部と、前記取付部に連なり前記接合セパレータの前記外周部から突出したタブと、を有し、
前記取付部は、接合部により前記接合セパレータの前記外周部に接合されている、
燃料電池用セパレータ部材。 - 請求項1記載の燃料電池用セパレータ部材であって、
前記接合部は、
前記第1セパレータの前記外周部と前記取付部とを互いに接合する第1接合部と、
前記第2セパレータの前記外周部と前記取付部とを互いに接合する第2接合部と、を含む、燃料電池用セパレータ部材。 - 請求項1又は2に記載の燃料電池用セパレータ部材であって、
前記接合セパレータには、前記セパレータ厚さ方向に突出した補強用のリブが設けられ、
前記リブは、前記接合部に対して前記タブとは反対側に位置している、燃料電池用セパレータ部材。 - 請求項3記載の燃料電池用セパレータ部材であって、
前記リブは、
前記第1セパレータの前記外周部から前記第2セパレータとは反対側に突出した第1リブと、
前記第2セパレータの前記外周部から前記第1セパレータとは反対側に突出した第2リブと、を含む、燃料電池用セパレータ部材。 - 請求項1〜4のいずれか1項に記載の燃料電池用セパレータ部材であって、
前記第1セパレータの前記外周部における前記取付部を支持する部位には、前記第2セパレータとは反対側に膨出した第1膨出部が設けられ、
前記第2セパレータの前記外周部における前記取付部を支持する部位には、前記第1セパレータとは反対側に膨出した第2膨出部が設けられ、
前記第1セパレータの外周端と前記第2セパレータの外周端とは、前記第1膨出部及び前記第2膨出部以外の部分で互いに接触している、燃料電池用セパレータ部材。 - 電解質膜の両側に電極が配設されてなる電解質膜・電極構造体と燃料電池用セパレータ部材とが交互に積層されてなる積層体を備えた燃料電池スタックであって、
前記燃料電池用セパレータ部材は、請求項1〜5のいずれか1項に記載の燃料電池用セパレータ部材である、燃料電池スタック。 - 第1セパレータと第2セパレータとを互いに積層した状態で接合されてなる接合セパレータと、前記接合セパレータの外周部から前記接合セパレータの外方に突出した荷重受け部材と、を備え、前記荷重受け部材は、前記接合セパレータの前記外周部に固定される、燃料電池用セパレータ部材の製造方法であって、
前記荷重受け部材は、取付部と、前記取付部に連なったタブと、を有し、
前記タブが前記接合セパレータの外方に突出するように、前記第1セパレータの外周部と前記第2セパレータの外周部との間に前記取付部を配置する配置工程と、
前記配置工程の後で、前記接合セパレータの前記外周部と前記取付部とを互いに接合する接合工程と、を含む、燃料電池用セパレータ部材の製造方法。 - 請求項7記載の燃料電池用セパレータ部材の製造方法であって、
前記接合工程は、
前記第1セパレータの前記外周部と前記取付部とを互いに接合する第1接合工程と、
前記第2セパレータの前記外周部と前記取付部とを互いに接合する第2接合工程と、を含む、燃料電池用セパレータ部材の製造方法。
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JP2020003633A JP7317729B2 (ja) | 2020-01-14 | 2020-01-14 | 燃料電池用セパレータ部材、燃料電池スタック及び燃料電池用セパレータ部材の製造方法 |
CN202110030591.7A CN113130928B (zh) | 2020-01-14 | 2021-01-11 | 燃料电池用隔板构件及其制造方法、燃料电池堆 |
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Citations (5)
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JP2016143545A (ja) * | 2015-02-02 | 2016-08-08 | 本田技研工業株式会社 | 燃料電池スタック |
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JP2019003830A (ja) * | 2017-06-15 | 2019-01-10 | 本田技研工業株式会社 | 燃料電池スタック |
JP2019061772A (ja) * | 2017-09-25 | 2019-04-18 | 本田技研工業株式会社 | 燃料電池スタック |
JP2019186165A (ja) * | 2018-04-17 | 2019-10-24 | 本田技研工業株式会社 | 燃料電池用セパレータ部材及び燃料電池スタック |
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