JPH09504901A - 一体の選択酸化器を具備する燃料電池アセンブリー - Google Patents
一体の選択酸化器を具備する燃料電池アセンブリーInfo
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- JPH09504901A JPH09504901A JP7509453A JP50945395A JPH09504901A JP H09504901 A JPH09504901 A JP H09504901A JP 7509453 A JP7509453 A JP 7509453A JP 50945395 A JP50945395 A JP 50945395A JP H09504901 A JPH09504901 A JP H09504901A
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.水素と二酸化炭素と一酸化炭素を含有し、燃料電池に導入される反応物流 中の一酸化炭素を選択酸化して二酸化炭素に変換する方法であって、 前記燃料電池の電気化学的に活性の領域に前記反応物流を導く流路の少なくと も一部分内にある量の触媒を付与し、前記流路の部分が入口と出口を備えかつ前 記触媒が酸素の存在下一酸化炭素の二酸化炭素への酸化反応を促進し、 前記入口と前記出口の間に配置された第一ポートを通じて、第一酸素含有ガス 流を前記反応物流中に導入し、 前記第一酸素含有ガス流を含有する前記ガス混合物を前記触媒と接触させ、 前記第一ポートと前記出口の間に配置された少なくとも一つの第二ポートを通 じて、追加の酸素含有ガス流を前記反応物流中に導入し、次いで 前記追加の酸素含有ガス流を含有する前記反応物流を前記触媒にさらに接触さ せる、 ことを含んでなる方法。 2.前記の少なくとも一つの第二ポートが、前記第一ポートと前記出口の間に 配置された複数の第二ポートを備えている請求の範囲1記載の方法。 3.前記複数の第二ポートが前記入口と前記出口の間の前記部分にそって均一 な間隔をおいて配列され、その結果、前記反応物流中の酸素の濃度が前記入口と 前記出口の間で実質的に一定に維持される請求の範囲2記載の方法。 4.前記反応物流がさらに酸素を含有し、そして前記第一酸素含 有ガス流および前記追加の酸素含有ガス流が前記反応物流から除外される請求の 範囲1記載の方法。 5.水素と二酸化炭素を含有し複数の燃料電池を含んでなる燃料電池スタック に導入される燃料流中に存在する一酸化炭素を選択酸化して二酸化炭素に変換す る装置であって、 前記スタック内の燃料流の流路の少なくとも一部分内にある量の触媒が入って いる手段を備え、前記触媒が酸素の存在下一酸化炭素の二酸化炭素への酸化反応 を促進する装置。 6.前記スタックが、燃料入口、少なくとも一つの負極および燃料出口を備え 、前記燃料流が触媒の入っている流路を通じて導かれ次いで反応物流として前記 の少なくとも一つの負極へ導入される請求の範囲5記載の装置。 7.水素と二酸化炭素を含有し燃料電池に導入される燃料流中に存在する一酸 化炭素を選択酸化して二酸化炭素に変換する装置であって、 (a)前記燃料流を実質的に透過しない第一と第二の隔離層、ならびに (b)前記第一と第二の層の間に介在している触媒アセンブリーを備え、 その触媒アセンブリーが、多孔質シート材料製の少なくとも一つの層、および 前記少なくとも一つの多孔質層の少なくとも一つの主要面上に配置されているか もしくは前記の少なくとも一つの多孔質層の主要面の間に含浸されているかまた はこれら両者によるある量の触媒を含んでなり、該触媒は酸素の存在下で一酸化 炭素を酸化して二酸化炭素に変換する反応を促進し、 その結果、前記燃料流を前記第一と第二の層の間に導くと、前記燃料流が前記 触媒に接触する装置。 8.前記第一と第二の層が導電性材料で製造され、そして多孔質シート材料製 の前記少なくとも一つの層が導電性である請求の範囲7記載の装置。 9.前記装置が燃料電池スタックの活性セクション内に組立てられている請求 の範囲7記載の装置。 10.前記装置が、燃料電池スタックに付随する給湿セクション内に組立てられ ている請求の範囲7記載の装置。 11.前記第一隔離層が第一流体流れ場プレートであり、前記第一プレートが、 その主要面に前記燃料流を導入するための入口および前記主要面から前記燃料流 を放出するための出口を具備し、前記主要面に、前記燃料流入口から前記燃料流 出口へ前記燃料流を導く手段が形成されている請求の範囲7記載の装置。 12.前記第一プレートに、酸素含有ガス流を前記燃料流に導入するための複数 の開口が、前記燃料流入口と前記燃料出口の間に形成されている請求の範囲11記 載の装置。 13.前記複数の開口が前記燃料流入口と燃料流出口の間に均一な間隔を置いて 配置され、その結果、前記燃料流中の酸素濃度が前記燃料流入口と前記燃料流出 口の間で実質的に一定に維持される請求の範囲12記載の装置。 14.前記燃料がさらに酸素を含有しているので、前記酸素含有ガス流が前記燃 料流から除外される請求の範囲11記載の装置。 15.前記の燃料流を導く手段が、前記燃料流入口と前記燃料流出口を相互に連 結する少なくとも一つの連続チャネルを含んでなる請求の範囲11記載の装置。 16.前記の少なくとも一つの連続チャネルが単一の連続チャネルを含んでなる 請求の範囲15記載の装置。 17.前記の少なくとも一つの連続チャネルが複数の連続チャネル を含んでなる請求の範囲15記載の装置。 18.前記の燃料流を導く手段が前記燃料流入口から延びる少なくとも一つの入 口チャネルと前記燃料流出口から延びる少なくとも一つの出口チャネルを含んで なり、前記の少なくとも一つの入口チャネルが前記の少なくとも一つの出口チャ ネルに対して不連続なので、前記燃料流が前記の少なくとも一つの入口チャネル 内から、前記触媒アセンブリーの間隙空間を通じて前記の少なくとも一つの出口 チャネルに流動する請求の範囲11記載の装置。 19.前記の少なくとも一つの出口チャネルが少なくとも二つの出口チャネルを 含んでなり、そして前記の少なくとも一つの入口チャネルが各々、隣接する出口 チャネルの間に介在し、そのため前記燃料流入口チャネルと前記燃料流出口チャ ネルが相互に組合わさっている請求の範囲18記載の装置。 20.前記第二隔離層が第二流体流れ場プレートを構成し、前記第二プレートが 前記燃料流を第二プレートの主要面に導入する入口および前記燃料流を前記主要 面から放出する出口を具備し、前記主要面に、前記燃料流を前記燃料流入口から 前記燃料流出口に導く手段が形成されている請求の範囲11記載の装置。 21.前記触媒アセンブリーが多孔質シート材料製の少なくとも二つの層を含ん でなり、さらに (c)その主要面の間に複数の開口が形成された少なくとも一つの介在隔離層 を備え、前記の少なくとも一つの介在隔離層が各々、隣接する多孔質層の間に介 在している請求の範囲7記載の装置。 22.多孔質シート材料製の前記少なくとも二つの層が導電性である請求の範囲 21記載の装置。 23.前記の第一と第二の隔離層および前記の少なくとも一つの多孔質層が平坦 な形態である請求の範囲7記載の装置。 24.前記の第一と第二の隔離層と前記の少なくとも一つの多孔質層が管状形態 である請求の範囲7記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/126,602 US5482680A (en) | 1992-10-09 | 1993-09-24 | Electrochemical fuel cell assembly with integral selective oxidizer |
US126,602 | 1993-09-24 | ||
PCT/CA1994/000498 WO1995008850A1 (en) | 1993-09-24 | 1994-09-14 | Electrochemical fuel cell assembly with integral selective oxidizer |
Publications (1)
Publication Number | Publication Date |
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JPH09504901A true JPH09504901A (ja) | 1997-05-13 |
Family
ID=22425736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7509453A Ceased JPH09504901A (ja) | 1993-09-24 | 1994-09-14 | 一体の選択酸化器を具備する燃料電池アセンブリー |
Country Status (7)
Country | Link |
---|---|
US (1) | US5482680A (ja) |
EP (1) | EP0721674B1 (ja) |
JP (1) | JPH09504901A (ja) |
AU (1) | AU685908B2 (ja) |
CA (1) | CA2172166C (ja) |
DE (1) | DE69433591T2 (ja) |
WO (1) | WO1995008850A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005509260A (ja) * | 2001-11-07 | 2005-04-07 | インテリジェント エナジー リミテッド | 燃料電池の流れ場プレート |
JP2006502938A (ja) * | 2002-06-13 | 2006-01-26 | ヌヴェラ フューエル セルズ インコーポレイテッド | 優先的酸化反応装置の温度調整 |
JP2009080943A (ja) * | 2007-09-25 | 2009-04-16 | Toyota Motor Corp | 燃料電池用セパレータ及び燃料電池 |
KR20150114554A (ko) * | 2013-02-05 | 2015-10-12 | 존슨 맛쎄이 푸엘 셀스 리미티드 | 애노드 촉매 층의 용도 |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316747A (en) * | 1992-10-09 | 1994-05-31 | Ballard Power Systems Inc. | Method and apparatus for the selective oxidation of carbon monoxide in a hydrogen-containing gas mixture |
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JP2005509260A (ja) * | 2001-11-07 | 2005-04-07 | インテリジェント エナジー リミテッド | 燃料電池の流れ場プレート |
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JP2006502938A (ja) * | 2002-06-13 | 2006-01-26 | ヌヴェラ フューエル セルズ インコーポレイテッド | 優先的酸化反応装置の温度調整 |
JP2009080943A (ja) * | 2007-09-25 | 2009-04-16 | Toyota Motor Corp | 燃料電池用セパレータ及び燃料電池 |
KR20150114554A (ko) * | 2013-02-05 | 2015-10-12 | 존슨 맛쎄이 푸엘 셀스 리미티드 | 애노드 촉매 층의 용도 |
JP2016511920A (ja) * | 2013-02-05 | 2016-04-21 | ジョンソン、マッセイ、フュエル、セルズ、リミテッドJohnson Matthey Fuel Cells Limited | アノード触媒層の使用 |
Also Published As
Publication number | Publication date |
---|---|
WO1995008850A1 (en) | 1995-03-30 |
EP0721674A1 (en) | 1996-07-17 |
DE69433591T2 (de) | 2005-02-10 |
US5482680A (en) | 1996-01-09 |
CA2172166C (en) | 1999-11-30 |
CA2172166A1 (en) | 1995-03-30 |
DE69433591D1 (de) | 2004-04-08 |
EP0721674B1 (en) | 2004-03-03 |
AU1604195A (en) | 1995-04-10 |
AU685908B2 (en) | 1998-01-29 |
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