JP2020511754A - 電気化学モジュール用の機能化された多孔質ガス案内部材 - Google Patents
電気化学モジュール用の機能化された多孔質ガス案内部材 Download PDFInfo
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Abstract
Description
11 ガス通路開口部
12 流路(ガス案内構造)
13 側縁
14 機能層
20、20’ 電気化学モジュール(電気化学的装置)
21 電気化学セルユニット(電気化学的電池装置)
22 支持基板
23 層構造
24 相互接続部またはインターコネクタ(ハウジング)
24a リブ構造
25 フレームプレート(ハウジング)
26 プロセスガス空間
27、27’ プロセスガス案内空間
28 ガス導入開口部(ガス通路開口部)
28’ ガス導出開口部(ガス通路開口部)
29 インサート
30 積層体(スタック)
Claims (20)
- 電気化学モジュール(20)用の多孔質または少なくとも部分的に多孔質のガス案内部材(10,10’)であって、
前記電気化学モジュール(20)は、少なくとも1つの電気化学的活性層を含む層構造(23)を備えた少なくとも1つの電気化学セルユニット(21)と、該電気化学セルユニット(21)と共に気密なプロセスガス空間(26)を形成する金属製の気密なハウジング(24;25)とを有し、
前記ハウジング(24;25)は、少なくとも1つの側面において、前記電気化学セルユニット(21)の領域を越えて延在し、前記電気化学セルユニットに対して開口したプロセスガス案内空間(27;27’)を形成し、かつ該プロセスガス案内空間(27;27’)の領域内に、プロセスガスの供給および/または排出用の少なくとも1つのガス通路開口部(28;28’)を有し、
前記ガス案内部材(10,10’)が、前記プロセスガス案内空間(27;27’)内への配置のために適合化されており、かつ前記ガス案内部材の表面がプロセスガスとの相互作用のために機能化されていることを特徴とするガス案内部材。 - 前記ガス案内部材(10,10’)が、前記電気化学セルユニット(21)とは別体の構成要素として形成されていることを特徴とする請求項1記載のガス案内部材。
- 前記ガス案内部材(10,10’)が、前記電気化学モジュールの積層方向に沿って両側で前記ハウジングを支持するために適合化されていることを特徴とする請求項1又は2記載のガス案内部材。
- 電気化学モジュール(20’)用の多孔質または少なくとも部分的に多孔質のガス案内部材(10’’,10’’’)であって、
前記電気化学モジュール(20’)が、少なくとも1つの電気化学的活性層を含む層構造(23)を備えた少なくとも1つの電気化学セルユニット(21)と、該電気化学セルユニットと共に気密なプロセスガス空間(26)を形成する金属製の気密なハウジングとを有し、
前記ハウジングが、少なくとも1つの側面において、前記電気化学セルユニット(21)の領域を越えて延在し、前記電気化学セルユニットに対して開口したプロセスガス案内空間(27;27’)を形成し、かつ該プロセスガス案内空間の領域内に、プロセスガスの供給および/または排出用の少なくとも1つのガス通路開口部(28;28’)を有し、
前記ガス案内部材(10’’,10’’’)が、前記プロセスガス案内空間(27;27’)のハウジング部分として形成されており、かつ前記プロセスガス案内用の内部空間に面する前記ガス案内部材の表面が、プロセスガスとの相互作用のために機能化されていることを特徴とするガス案内部材。 - 前記ガス案内部材(10’’,10’’’)が、前記電気化学セルユニット(21)の金属製の支持基板(22)と一体に形成されていることを特徴とする請求項4記載のガス案内部材。
- 前記ガス案内部材(10,10’,10’’,10’’’)が、反応ガスの触媒改質のために機能化されていることを特徴とする請求項1乃至5のいずれか1項に記載のガス案内部材。
- 前記触媒改質のための機能化が、ニッケル、白金若しくはパラジウム、またはこれらの金属の酸化物のうち少なくとも1つの導入によって行われることを特徴とする請求項6記載のガス案内部材。
- 前記ガス案内部材(10,10’,10’’,10’’’)が、前記反応ガスの浄化のために、特に硫黄、塩素、酸素または炭素のうち少なくとも1つに対する前記反応ガスの浄化のために機能化されていることを特徴とする、請求項1乃至5のいずれか1項に記載のガス案内部材。
- 前記反応ガスを硫黄または塩素のうち少なくとも1つに対して浄化するための機能化が、ニッケル、コバルト、クロムまたはセリウムのうち少なくとも1つの導入によって行われることを特徴とする請求項8記載のガス案内部材。
- 前記反応ガスを酸素に対して浄化するための機能化が、クロム、銅またはチタンのうち少なくとも1つの導入によって行われることを特徴とする請求項8記載のガス案内部材。
- 前記反応ガスを炭素(煤)に対して浄化するための機能化が、チタンの導入によって行われることを特徴とする請求項8に記載のガス案内部材。
- 前記ガス案内部材(10,10’,10’’,10’’’)が、生成ガスを浄化するために、特にクロムまたは酸素のうち少なくとも1つに対して生成ガスを浄化するために機能化されていることを特徴とする請求項1乃至5のいずれか1項に記載のガス案内部材。
- 前記生成ガスをクロムに対して浄化するための機能化が、酸化物セラミックの導入によって行われ、特にCu−Ni−Mnスピネルの導入によって行われることを特徴とする請求項12記載のガス案内部材。
- 前記酸素に対しての浄化のための機能化が、Ti、Cuまたは半化学量論的なスピネル化合物のうち少なくとも1つの導入によって行われることを特徴とする請求項12記載のガス案内部材。
- 前記導入が、合金化によって行われるか、またはコーティング方法によって行われ、特に蒸着法、浸漬コーティング、または懸濁液またはペーストの塗布方法を用いたコーティング方法によって行われることを特徴とする請求項7、9、10、11、13又は14のいずれか1項に記載のガス案内部材。
- 前記ガス案内部材(10,10’,10’’,10’’’)の前記基材が、粉末合金により製造された、鉄またはクロムのうち少なくとも1つに基づくフェライト合金であることを特徴とする請求項1乃至15のいずれか1項に記載のガス案内部材。
- 前記ガス案内部材(10,10’,10’’,10’’’)が、少なくとも1つのガス案内構造(12)を有することを特徴とする請求項1乃至16のいずれか1項に記載のガス案内部材。
- 少なくとも1つの電気化学的活性層を含む層構造(23)を備えた実質的に板状の電気化学セルユニット(21)と、該電気化学セルユニット(21)と共に気密なプロセスガス空間(26)を形成する金属製の気密なハウジング(24;25)とを有する電気化学モジュール(20; 20’)であって、
前記ハウジング(24; 25)が、少なくとも1つの側面において、前記電気化学セルユニット(21)の領域を越えて延在し、前記ハウジング(24;25)が、前記電気化学セルユニットに対して開口したプロセスガス案内空間(27; 27’)を形成し、プロセスガスの供給および/または排出用のプロセスガス案内空間(27;27’)の領域内に少なくとも1つのガス通路開口部(28; 28’)を有する、前記電気化学モジュール(20;20’)において、
前記プロセスガス案内空間(27; 27’)内で、前記ガス通路開口部の領域内に、請求項1または請求項1に従属した請求項2、3、6乃至17のいずれか1項に記載の少なくとも1つのガス案内部材(10;10’)が配置されており、該ガス案内部材(10; 10’)が前記電気化学モジュール(20;20’)の積層方向(B)に沿ったハウジングの支持に用いられるか、または
前記プロセスガス案内空間の前記ハウジングが請求項4または請求項4に従属した請求項5乃至17のいずれか1項に記載の少なくとも1つのガス案内部材(10’’,10’’’)によって少なくとも部分的に形成されているか、のうちの少なくとも一方であることを特徴とする電気化学モジュール(20;20’)。 - 前記ハウジング(24; 25)が、少なくとも2つの側面において、前記電気化学セルユニット(21)の領域を越えて延在して、少なくとも1つの第1のガス案内部材(10; 10’’)が割り当てられている反応ガス用の少なくとも1つのガス導入開口部(28)を有する第1のプロセスガス案内空間(27)と、少なくとも1つの第2のガス案内部材(10’; 10’’’)が割り当てられている生成ガス用の少なくとも1つのガス導出開口部(28’)を有する第2のプロセスガス案内空間(27’)とが形成されており、
前記第1のプロセスガス案内空間に割り当てられた前記第1のガス案内部材(10; 10’’)の機能化が、前記第2のプロセスガス案内空間に割り当てられた前記第2のガス案内部材(10’; 10’’’)の機能化と異なることを特徴とする請求項18記載の電気化学モジュール。 - 前記第1のガス案内部材(10; 10’’)が反応ガスの処理のために機能化されているか、前記第2のガス案内部材(10’; 10’’’)が生成ガスの後処理のために機能化されているか、のうちの少なくとも一方であることを特徴とする請求項19記載の電気化学モジュール。
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