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1.发明公开BAUTEIL WIE ZELLRAHMEN UND/ODER POLPLATTE FÜR EINE PEM-BRENNSTOFFZELLE MIT REDUZIERTEM ÜBERGANGSWIDERSTAND UND VERFAHREN ZUR REDUZIERUNG DES ÜBERGANGSWIDERSTANDS 有权成分作为CELL框架和/或具有减少的过渡电阻和方法极板PEM燃料电池用于降低过渡电阻
公开(公告)号：EP1181728A2
公开(公告)日：2002-02-27
申请号：EP00926667.7
申请日：2000-03-07
CPC分类号： H01M8/0228 , Y02P70/56
摘要： The invention aims to combine the advantages of a precious metal coating which, for example, reduces the contact resistance between a pole plate and a fuel cell current collector, with low production costs. This has been made possible by the discovery that a sufficient and sometimes even improved reduction of the contact resistance of a component to a contact element can be achieved by using a minimal precious metal coating which does not even need to be continuous.
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2.发明授权BAUTEIL WIE ZELLRAHMEN UND/ODER POLPLATTE FÜR EINE PEM-BRENNSTOFFZELLE MIT REDUZIERTEM ÜBERGANGSWIDERSTAND UND VERFAHREN ZUR REDUZIERUNG DES ÜBERGANGSWIDERSTANDS 有权成分作为CELL框架和/或具有减少的过渡电阻和方法极板PEM燃料电池用于降低过渡电阻
公开(公告)号：EP1181728B1
公开(公告)日：2003-05-14
申请号：EP00926667.7
申请日：2000-03-07
CPC分类号： H01M8/0228 , Y02P70/56
摘要： The invention aims to combine the advantages of a precious metal coating which, for example, reduces the contact resistance between a pole plate and a fuel cell current collector, with low production costs. This has been made possible by the discovery that a sufficient and sometimes even improved reduction of the contact resistance of a component to a contact element can be achieved by using a minimal precious metal coating which does not even need to be continuous.
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公开(公告)号：EP0914685B1
公开(公告)日：2002-07-24
申请号：EP97924921.6
申请日：1997-05-28
发明人： STRASSER, Karl , HORNUNG, Regina , BETTE, Willi
IPC分类号： H01M8/04
CPC分类号： H01M8/04228 , H01M8/04223 , H01M8/241 , H01M8/2457 , H01M2300/0082
摘要： A process is disclosed for operating a PEM fuel cell system (2) with at least one PEM fuel cell module (4) equipped with a hydrogen H2 inlet valve (14) and an oxygen O2 inlet valve (18). In order to switch off the PEM fuel cell module (4), the oxygen O2 inlet valve (18) is closed during a first stage, and during a second stage the hydrogen H2 inlet valve (14) is closed while a predetermined partial oxygen O2 pressure is applied on a cathode part of the PEM fuel cell module (4). This measure ensures a reliable operation of the PEM fuel cell system (2).
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公开(公告)号：EP4419996A1
公开(公告)日：2024-08-28
申请号：EP22830265.9
申请日：2022-12-07
发明人： HORN, Stefan , HORNUNG, Regina , SAND, Manfred , MAIER, Rupert
CPC分类号： G06F8/24 , G06F9/4488
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5.发明授权
公开(公告)号：EP0963615B1
公开(公告)日：2003-07-09
申请号：EP98904005.0
申请日：1998-01-07
IPC分类号： H01M8/02
CPC分类号： C22C38/58 , C22C38/001 , C22C38/44
摘要： The invention relates to a fuel cell comprising a membrane electrode unit, two power collectors and/or a cell frame and/or a bipolar plate, wherein the material of at least one of the solid construction parts is made of an iron-based substance containing at least Cr-Mo-Ni-N) with preferably an action sum of >/=26.9.
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6.发明公开
公开(公告)号：EP0963615A1
公开(公告)日：1999-12-15
申请号：EP98904005.0
申请日：1998-01-07
CPC分类号： C22C38/58 , C22C38/001 , C22C38/44
摘要： The invention relates to a fuel cell comprising a membrane electrode unit, two power collectors and/or a cell frame and/or a bipolar plate, wherein the material of at least one of the solid construction parts is made of an iron-based substance containing at least Cr-Mo-Ni-N) with preferably an action sum of ≥26.9.
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公开(公告)号：EP0914685A1
公开(公告)日：1999-05-12
申请号：EP97924921.0
申请日：1997-05-28
发明人： STRASSER, Karl , HORNUNG, Regina , BETTE, Willi
IPC分类号： H01M8
CPC分类号： H01M8/04228 , H01M8/04223 , H01M8/241 , H01M8/2457 , H01M2300/0082
摘要： A process is disclosed for operating a PEM fuel cell system (2) with at least one PEM fuel cell module (4) equipped with a hydrogen H2 inlet valve (14) and an oxygen O2 inlet valve (18). In order to switch off the PEM fuel cell module (4), the oxygen O2 inlet valve (18) is closed during a first stage, and during a second stage the hydrogen H2 inlet valve (14) is closed while a predetermined partial oxygen O2 pressure is applied on a cathode part of the PEM fuel cell module (4). This measure ensures a reliable operation of the PEM fuel cell system (2).
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