JP2019509594A - 膜−電極接合体の製造方法、これから製造された膜−電極接合体およびこれを含む燃料電池 - Google Patents
膜−電極接合体の製造方法、これから製造された膜−電極接合体およびこれを含む燃料電池 Download PDFInfo
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- H01M4/88—Processes of manufacture
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- H01M4/8647—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites
- H01M4/8652—Inert electrodes with catalytic activity, e.g. for fuel cells consisting of more than one material, e.g. consisting of composites as mixture
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- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/8663—Selection of inactive substances as ingredients for catalytic active masses, e.g. binders, fillers
- H01M4/8668—Binders
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- H01M4/88—Processes of manufacture
- H01M4/8803—Supports for the deposition of the catalytic active composition
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- H—ELECTRICITY
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
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- H01M4/8825—Methods for deposition of the catalytic active composition
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- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/88—Processes of manufacture
- H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
- H01M4/8882—Heat treatment, e.g. drying, baking
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- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/90—Selection of catalytic material
- H01M4/92—Metals of platinum group
- H01M4/925—Metals of platinum group supported on carriers, e.g. powder carriers
- H01M4/926—Metals of platinum group supported on carriers, e.g. powder carriers on carbon or graphite
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1004—Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
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- H—ELECTRICITY
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- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M2008/1095—Fuel cells with polymeric electrolytes
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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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Abstract
Description
3M825アイオノマーを、水と1−プロパノール7:3の比率で混合された溶液に添加した。その後、Tanaka社販売のTEC10F50E触媒を、アイオノマーとCarbonとの質量比率(アイオノマー/Carbon)を0.9に合わせて添加した。常温で1時間マグネチック撹拌器で撹拌した後、常温で1時間bath型超音波分散器で分散をした後、50℃以下の状態に減温して、tip型超音波分散器を用いて15分間分散させた。そして、70℃のオーブンで乾燥して、アイオノマーが分散している固体状態の触媒粒子を得た。
触媒としてTanaka社販売のTEC10F50E−HT触媒を用いたことを除き、実施例1と同様に電極を製造した。
3M825アイオノマーを、1−プロパノールとグリセロールとが混合された溶液に添加した。その後、Tanaka社販売のTEC10F50E触媒を、アイオノマーとCarbonとの質量比率を0.9に合わせて添加した。その後、前記実施例1と同様に撹拌および超音波分散により電極スラリーを製造し、実施例1と同様に電極を製造した。
触媒としてTanaka社販売のTEC10F50E−HT触媒を用いたことを除き、比較例1と同様に電極を製造した。
実施例1および比較例1の電極触媒層を適用した膜電極接合体の評価を進行させた。電解質膜はsPEEK系炭化水素系膜を用い、GDL(ガス拡散層)はSGL社の10BBを用い、厚さは380μm〜420μmの範囲を有するものを用いた。GDLの圧縮率は25%に設定し、これを維持させるためにglass fiber sheetを用いた。膜電極接合体の活性面積は25cm2に製造して、単位電池セルの評価を進行させた。アノードとカソードに同一列の電極を用いて進行させた。
実施例2および比較例2の電極触媒層を適用した膜電極接合体の評価を進行させた。アノードにはTanaka社販売のTEC10V50E触媒を、比較例1の作製方法で製造された電極を同様に用いており、カソードにのみ該当する例の電極を用いた。その他の実験方法は、実施例1と同様に実験した。
20:カソード触媒層
21:アノード触媒層
40:カソード気体拡散層
41:アノード気体拡散層
50:カソード
51:アノード
Claims (8)
- (a)白金がコーティングされた炭素粉末(Pt/C)触媒、アイオノマー(ionomer)、および溶媒Aを含む触媒スラリー組成物を用意するステップと、
(b)前記触媒スラリー組成物を撹拌するステップと、
(c)前記ステップ(b)を経た触媒スラリー組成物を超音波(sonication)処理して均一化(homogenizing)するステップと、
(d)前記ステップ(c)を経た触媒スラリー組成物を30℃〜100℃の温度で乾燥するステップと、
(e)前記ステップ(d)を経た触媒スラリー組成物に溶媒Bを添加するステップと、
(f)前記ステップ(e)を経た触媒スラリー組成物を超音波(sonication)処理して再均一化(homogenizing)するステップと、
(g)前記ステップ(f)を経た触媒スラリー組成物を基材上に塗布し、乾燥させた後、前記基材を電解質膜の一面または両面に転写して触媒層を形成するステップとを含む膜−電極接合体(MEA)の製造方法。 - 前記ステップ(a)のアイオノマーは、フッ素系高分子である、請求項1に記載の膜−電極接合体の製造方法。
- 前記ステップ(a)の溶媒Aは、水、メタノール、エタノール、ブタノール、1−プロパノール、およびイソプロパノールからなる群より選択された1つまたは2つ以上である、請求項1または2に記載の膜−電極接合体の製造方法。
- 前記ステップ(e)の溶媒Bは、水、メタノール、エタノール、ブタノール、1−プロパノール、イソプロパノール、n−ブチルアセテート、エチレングリコール、およびグリセロールからなる群より選択された1つまたは2つ以上である、請求項1から3のいずれか一項に記載の膜−電極接合体の製造方法。
- 前記ステップ(g)の塗布は、スプレーコーティング法(spray coating)、スクリーンプリンティング法(screen printing)、テープキャスティング法(tape casting)、ブラッシング法(brushing)、スロットダイキャスティング法(slot die casting)、バーキャスティング法(bar−casting)、およびインクジェッティング(inkjetting)からなる群より選択される1つの方法により行われるものである、請求項1から4のいずれか一項に記載の膜−電極接合体の製造方法。
- 前記ステップ(g)の触媒層の厚さは、5μm〜15μmである、請求項1から5のいずれか一項に記載の膜−電極接合体の製造方法。
- 請求項1〜6のいずれか1項に記載の膜−電極接合体の製造方法で製造された膜−電極接合体。
- 請求項7に記載の膜−電極接合体を含む燃料電池。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160161995A KR20180062091A (ko) | 2016-11-30 | 2016-11-30 | 막-전극 접합체 제조방법, 이로부터 제조된 막-전극 접합체 및 이를 포함한 연료전지 |
| KR10-2016-0161995 | 2016-11-30 | ||
| PCT/KR2017/010319 WO2018101591A1 (ko) | 2016-11-30 | 2017-09-20 | 막-전극 접합체 제조방법, 이로부터 제조된 막-전극 접합체 및 이를 포함한 연료전지 |
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| Publication Number | Publication Date |
|---|---|
| JP2019509594A true JP2019509594A (ja) | 2019-04-04 |
| JP6819688B2 JP6819688B2 (ja) | 2021-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2018544861A Active JP6819688B2 (ja) | 2016-11-30 | 2017-09-20 | 膜−電極接合体の製造方法、これから製造された膜−電極接合体およびこれを含む燃料電池 |
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| Country | Link |
|---|---|
| US (1) | US10749198B2 (ja) |
| EP (1) | EP3416221B1 (ja) |
| JP (1) | JP6819688B2 (ja) |
| KR (1) | KR20180062091A (ja) |
| CN (1) | CN109075348B (ja) |
| WO (1) | WO2018101591A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020177734A (ja) * | 2019-04-15 | 2020-10-29 | トヨタ自動車株式会社 | 燃料電池用電極触媒層の製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276704B (zh) * | 2018-12-04 | 2021-02-02 | 中国科学院大连化学物理研究所 | 一种燃料电池电极催化层浆液制备方法、催化剂浆液及其应用 |
| KR20210072986A (ko) * | 2019-12-10 | 2021-06-18 | 현대자동차주식회사 | 연료전지용 촉매 슬러리의 제조방법 및 이를 이용한 연료전지용 전극의 제조방법 |
| CN115621470A (zh) * | 2022-09-28 | 2023-01-17 | 新源动力股份有限公司 | 一种燃料电池ccm及其制备方法 |
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2016
- 2016-11-30 KR KR1020160161995A patent/KR20180062091A/ko not_active Ceased
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2017
- 2017-09-20 JP JP2018544861A patent/JP6819688B2/ja active Active
- 2017-09-20 CN CN201780021158.9A patent/CN109075348B/zh active Active
- 2017-09-20 EP EP17875980.9A patent/EP3416221B1/en active Active
- 2017-09-20 US US16/082,845 patent/US10749198B2/en active Active
- 2017-09-20 WO PCT/KR2017/010319 patent/WO2018101591A1/ko not_active Ceased
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2020177734A (ja) * | 2019-04-15 | 2020-10-29 | トヨタ自動車株式会社 | 燃料電池用電極触媒層の製造方法 |
| JP7127603B2 (ja) | 2019-04-15 | 2022-08-30 | トヨタ自動車株式会社 | 燃料電池用電極触媒層の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3416221A1 (en) | 2018-12-19 |
| WO2018101591A1 (ko) | 2018-06-07 |
| CN109075348B (zh) | 2022-04-12 |
| CN109075348A (zh) | 2018-12-21 |
| US10749198B2 (en) | 2020-08-18 |
| KR20180062091A (ko) | 2018-06-08 |
| EP3416221A4 (en) | 2019-03-20 |
| US20190074533A1 (en) | 2019-03-07 |
| JP6819688B2 (ja) | 2021-01-27 |
| EP3416221B1 (en) | 2022-12-21 |
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