JP2009525572A - 多成分シーリングリムを有する膜−電極接合体 - Google Patents
多成分シーリングリムを有する膜−電極接合体 Download PDFInfo
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Abstract
Description
本発明に従う製品を作製するために、膜−電極接合体をまず準備する。このMEAは、以下の構成要素を有する:
a)カソード電極(カソードCCB):SGL(Meitingen)社製の、マイクロ層を有する、疎水化された基礎材料のSigracet;貴金属量:0.5mg Pt/cm2;白金触媒:カーボンブラック上の白金60%
b)アノード電極(アノードCCB):SGL(Meitingen)社製の、ミクロ層を有する、疎水化された基礎材料のSigracet;貴金属量:0.3mg Pt/cm2;白金触媒:カーボンブラック上の白金60%
c)ポリマー電解質膜:プロトン化された形のNafion(R)111(DuPont社製)
これらの3つの構成要素を一緒に配置し、かつホットプレスにおいて積層し5層の膜−電極接合体を作製した。プレス工程は150℃で行われ、かつ150N/cm2の単位圧を必要とする。
製品を上の実施例において記載されたように作製するが、しかしながら、穿孔(ホール)を有さないポリエステルフレームを使用し、そのためリム成分を接着によってのみ接合する。
本発明の膜−電極接合体におけるシーリング材料(6)およびフレーム(7)の接合と同様の方法を用いて、単に接着剤接続を有する(比較例CE1におけるものとして)および付加的な物理的固定(本発明に従う実施例1におけるものとして)による試験ストリップを作製した。これらの試験ストリップの強度を、引張試験において調べた。引張試験を、DIN EN 1465("Determination of the tensile shear strength of high-strength overlapping adhesive bonds")に基づく方法で、万能材料試験機タイプ5543(Instron社製)を用いて実施した。試料の引張強度を、2つの伸張速度で測定した(v1=5mm/minおよびv2=50mm/min)。結合の断裂に必要とされる力を記録した。結合の断裂に必要とされる力を記録した。
Claims (14)
- イオノマー膜(1)、前面のガス拡散層(4)および触媒層(2)、背面のガス拡散層(5)および触媒層(3)および多成分リムを有する、電気化学装置用の膜−電極接合体であって、その際、該リムは、少なくとも1つのシーリング材料(6)および、少なくとも1つの穿孔(7a)を有する少なくとも1つのフレーム(7)有し、かつその際、シーリング材料(6)およびフレーム(7)は、接着および物理的固定の両方によって互いに接合されている、膜−電極接合体。
- 外部領域におけるフレーム(7)が膜−電極接合体より小さい厚さを有する、請求項1記載の膜−電極接合体。
- フレーム(7)が、ポリマー材料、例えばポリエステル、ポリフェニレンスルフィド、ポリイミド、ガラス繊維強化プラスチック、ポリテトラフルオロエチレン(PTFE)、ポリアミドおよび/またはその組み合わせ物を有する、請求項1記載の膜−電極接合体。
- フレーム(7)が、100℃を上回る、有利には120℃を上回るガラス転移温度(Tg)を有するポリマー材料を有する、請求項1記載の膜−電極接合体。
- シーリング材料(6)が、熱可塑性ポリマー、例えばポリエチレン、ポリプロピレン、PTFE、PVDF、ポリアミド、ポリイミド、ポリウレタンまたはポリエステル;熱硬化性ポリマー、例えばエポキシ樹脂またはシアノアクリレートまたはエラストマー、例えばシリコーンゴム、EPDM、フッ素ゴム、パーフルオロゴム、クロロプレンゴム、フルオロシリコーンエラストマーを有する、請求項1記載の膜−電極接合体。
- フレーム(7)における少なくとも1つの穿孔(7a)が、0.1〜100mmの範囲の、有利には0.5〜50mmの範囲の内径を有する、請求項1記載の膜−電極接合体。
- イオノマー膜(1)が、プロトン伝導性イオノマー材料、例えばスルホン酸基を有するテトラフルオロエチレン−フルオロビニルエーテルコポリマーまたはフッ素不含のイオノマー材料、例えばドープされたスルホン化されたポリエーテルケトン、ドープされたスルホン化されたまたはスルフィン化されたアリールケトンまたはドープされたポリベンズイミダゾールまたはその混合物を含有する、請求項1記載の膜−電極接合体。
- ガス拡散層(4,5)が、多孔質の導電性材料、例えば炭素繊維紙、炭素繊維不織布、炭素繊維織物、金属メッシュまたは金属化繊維織物を有する、請求項1記載の膜−電極接合体。
- イオノマー膜(1)、前面のガス拡散層(4)および触媒層(2)、背面のガス拡散層(5)および触媒層(3)およびまた多成分リムを有する、電気化学装置用の膜−電極接合体の製造法であって、その際、該リムは、少なくとも1つのシーリング材料(6)および、少なくとも1つの穿孔(7a)を有する少なくとも1つのフレーム(7)を有し、かつその際、シーリング材料(6)およびフレーム(7)を、接着および物理的固定の両方によって互いに接合する、製造法。
- イオノマー膜(1)、触媒層(2,3)、ガス拡散層(4,5)およびまたシーリング材料(6)およびフレーム(7)の接合を、接着剤接合法、ラミネーションプロセス、射出成形プロセスまたはその組み合わせによって一工程で実施する、請求項9記載の方法。
- イオノマー膜(1)、触媒層(2,3)、ガス拡散層(4,5)およびまたシーリング材料(6)およびフレーム(7)の接合を、接着剤接合法および/またはラミネーションプロセスおよび/または射出成形プロセスによって種々の工程で実施する、請求項9記載の方法。
- イオノマー膜(1)、触媒層(2,3)およびガス拡散層(4,5)の接合をラミネーションプロセスによって実施し、かつ多成分リムをさらなるラミネーションプロセスによって製造する、請求項11記載の方法。
- イオノマー膜(1)、触媒層(2,3)およびガス拡散層(4,5)の接合をラミネーションプロセスによって実施し、かつ多成分リムを射出成形プロセスによって製造する、請求項11記載の方法。
- 電気化学装置における、とりわけ膜燃料電池における、電解装置におけるまたは電気化学センサーにおける、請求項1から8までのいずれか1項記載の膜−電極接合体の使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006004748A DE102006004748A1 (de) | 2006-02-02 | 2006-02-02 | Membran-Elektroden-Einheit mit mehrkomponentigem Dichtungsrand |
DE102006004748.6 | 2006-02-02 | ||
PCT/EP2007/000853 WO2007088049A1 (en) | 2006-02-02 | 2007-02-01 | Membrane-electrode assembly having a multicomponent sealing rim |
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JP2009525572A true JP2009525572A (ja) | 2009-07-09 |
JP5483885B2 JP5483885B2 (ja) | 2014-05-07 |
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JP2008552744A Expired - Fee Related JP5483885B2 (ja) | 2006-02-02 | 2007-02-01 | 多成分シーリングリムを有する膜−電極接合体 |
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US (1) | US20090220834A1 (ja) |
EP (1) | EP1982374A1 (ja) |
JP (1) | JP5483885B2 (ja) |
CA (1) | CA2641127A1 (ja) |
DE (1) | DE102006004748A1 (ja) |
WO (1) | WO2007088049A1 (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102007050617A1 (de) * | 2007-10-23 | 2009-04-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Brennstoffzellenanordnung mit in Schindelbauweise angeordneten Brennstoffzellen sowie Verwendungszwecke |
US8703360B2 (en) | 2007-12-06 | 2014-04-22 | Panasonic Corporation | Method for producing an electrode-membrane-frame assembly |
DE102008009414A1 (de) * | 2008-02-15 | 2009-08-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Brennstoffzelle und Verfahren zu deren Herstellung |
US20100227250A1 (en) * | 2009-03-03 | 2010-09-09 | Clearedge Power, Inc. | Rigidity & Inplane Electrolyte Mobility Enhancement for Fuel Cell Eletrolyte Membranes |
US20110177423A1 (en) * | 2010-01-21 | 2011-07-21 | Anton Nachtmann | Five-Layer Membrane Electrode Assembly with Attached Border and Method of Making Same |
DE102013014077A1 (de) * | 2013-08-27 | 2015-03-05 | Elcomax Gmbh | Verfahren zur Herstellung einer Membran-Elektroden-Einheit mit umlaufender Dichtung sowie Membran-Elektroden-Einheit |
DE102013014083A1 (de) | 2013-08-27 | 2015-03-05 | Elcomax Gmbh | Verfahren zur Herstellung einer Membran-Elektroden-Einheit mit umlaufender Dichtung sowie Membran-Elektroden-Einheit |
KR20160099598A (ko) * | 2013-12-17 | 2016-08-22 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 막 전극 접합체 및 이를 제조하는 방법 |
US11088373B2 (en) | 2015-02-12 | 2021-08-10 | Ballard Power Systems Inc. | Seal for solid polymer electrolyte fuel cell |
DE102015010422A1 (de) | 2015-08-11 | 2017-02-16 | Daimler Ag | Verfahren zum Herstellen einer Membran-Elektroden-Anordnung für eine Brennstoffzelle |
DE102015010440B4 (de) | 2015-08-11 | 2023-10-26 | Cellcentric Gmbh & Co. Kg | Verfahren und Vorrichtung zum Herstellen einer Membran-Elektroden-Anordnung für eine Brennstoffzelle |
DE102016224611B4 (de) | 2016-12-09 | 2021-07-08 | Audi Ag | Brennstoffzellenaufbau und Verfahren zu dessen Herstellung |
DE102017214983A1 (de) | 2017-08-28 | 2019-02-28 | Audi Ag | Membran-Elektroden-Einheit mit einer Dichtungsanordnung, Brennstoffzelle sowie Brennstoffzellenstapel |
DE102018216100A1 (de) * | 2018-09-21 | 2020-03-26 | Robert Bosch Gmbh | Elektrodenträgervorrichtung zu einer Stützung einer Elektrodeneinheit |
DE102019135292A1 (de) * | 2019-12-19 | 2021-06-24 | Elringklinger Ag | Elektrochemische Vorrichtung und Verfahren zum Herstellen einer elektrochemischen Vorrichtung |
CN112599811A (zh) * | 2020-12-11 | 2021-04-02 | 上海氢晨新能源科技有限公司 | 一种燃料电池单元、燃料电池及其制造方法 |
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2006
- 2006-02-02 DE DE102006004748A patent/DE102006004748A1/de not_active Ceased
-
2007
- 2007-02-01 US US12/162,795 patent/US20090220834A1/en not_active Abandoned
- 2007-02-01 CA CA002641127A patent/CA2641127A1/en not_active Abandoned
- 2007-02-01 WO PCT/EP2007/000853 patent/WO2007088049A1/en active Application Filing
- 2007-02-01 JP JP2008552744A patent/JP5483885B2/ja not_active Expired - Fee Related
- 2007-02-01 EP EP07703186A patent/EP1982374A1/en not_active Withdrawn
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WO2000026979A1 (de) * | 1998-10-30 | 2000-05-11 | Siemens Aktiengesellschaft | Rahmenelement für eine pem-brennstoffzelle in laminat-technik und herstellungsverfahren dazu |
US20040160019A1 (en) * | 2003-02-18 | 2004-08-19 | Williams Arthur R. | Method of forming a gasket assembly for a PEM fuel cell assembly |
JP2004319461A (ja) * | 2003-04-02 | 2004-11-11 | Matsushita Electric Ind Co Ltd | 燃料電池用電解質膜構造、燃料電池用電解質膜−電極接合体構造、及び燃料電池 |
WO2005006473A2 (de) * | 2003-07-14 | 2005-01-20 | Umicore Ag & Co. Kg | Membran-elektroden-einheit für elektrochemische vorrichtungen |
Also Published As
Publication number | Publication date |
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DE102006004748A1 (de) | 2007-08-16 |
EP1982374A1 (en) | 2008-10-22 |
WO2007088049A1 (en) | 2007-08-09 |
US20090220834A1 (en) | 2009-09-03 |
JP5483885B2 (ja) | 2014-05-07 |
CA2641127A1 (en) | 2007-08-09 |
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