Seal for electrode of e.g. fuel cell, has electrode with expanded material, which is completely surrounded by sealing material in electrode sealing area, where sealing material forms flat sealing surfaces at side surfaces of electrode

The seal has an electrode (1) with an expanded material, which is completely surrounded by a sealing material (3) i.e. silicone sealing material, in a circular sealing area (2) of the electrode. The sealing material forms flat sealing surfaces (4, 5) respectively at a pair of side surfaces (1a, 1b)...

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description The seal has an electrode (1) with an expanded material, which is completely surrounded by a sealing material (3) i.e. silicone sealing material, in a circular sealing area (2) of the electrode. The sealing material forms flat sealing surfaces (4, 5) respectively at a pair of side surfaces (1a, 1b) of the electrode. The thickness of the sealing material is larger than the thickness of the expanded electrode between the side surfaces such that the respective sealing surfaces project at the side surfaces around 0.05 millimeter (mm) to 0.50 mm. An independent claim is also included for a method for sealing an electrode against a bipolar plate or a membrane of a fuel cell or an electrolyzer. Die Erfindung betrifft eine Dichtung einer Elektrode einer Brennstoffzelle oder eines Elektrolyseurs, wobei ein verstrecktes Material der Elektrode (1) in einem umlaufenden Dichtungsbereich (2) der Elektrode von einem Dichtungsmaterial (3) vollständig umgeben ist und wobei das Dichtungsmaterial (3) an einer ersten Seitenfläche (1a) und an einer zweiten Seitenfläche (1b) der Elektrode (1) jeweils eine ebene oder im Wesentlichen ebene Dichtfläche (4, 5) bildet. Die Erfindung betrifft auch eine Elektrode mit einer solchen erfindungsgemäßen Dichtung sowie ein Verfahren zum gegeneinander Dichten einer solchen Elektrode gegen eine Bipolarplatte und/oder eine Membran einer Brennstoffzelle oder eines Elektrolyseurs.
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The sealing material forms flat sealing surfaces (4, 5) respectively at a pair of side surfaces (1a, 1b) of the electrode. The thickness of the sealing material is larger than the thickness of the expanded electrode between the side surfaces such that the respective sealing surfaces project at the side surfaces around 0.05 millimeter (mm) to 0.50 mm. An independent claim is also included for a method for sealing an electrode against a bipolar plate or a membrane of a fuel cell or an electrolyzer. Die Erfindung betrifft eine Dichtung einer Elektrode einer Brennstoffzelle oder eines Elektrolyseurs, wobei ein verstrecktes Material der Elektrode (1) in einem umlaufenden Dichtungsbereich (2) der Elektrode von einem Dichtungsmaterial (3) vollständig umgeben ist und wobei das Dichtungsmaterial (3) an einer ersten Seitenfläche (1a) und an einer zweiten Seitenfläche (1b) der Elektrode (1) jeweils eine ebene oder im Wesentlichen ebene Dichtfläche (4, 5) bildet. Die Erfindung betrifft auch eine Elektrode mit einer solchen erfindungsgemäßen Dichtung sowie ein Verfahren zum gegeneinander Dichten einer solchen Elektrode gegen eine Bipolarplatte und/oder eine Membran einer Brennstoffzelle oder eines Elektrolyseurs.</description><language>eng ; ger</language><subject>APPARATUS THEREFOR ; BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; ELECTRICITY ; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS ; METALLURGY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2008</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20081204&amp;DB=EPODOC&amp;CC=DE&amp;NR=102007024959A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20081204&amp;DB=EPODOC&amp;CC=DE&amp;NR=102007024959A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HECKER, KARL-HEINZ</creatorcontrib><title>Seal for electrode of e.g. fuel cell, has electrode with expanded material, which is completely surrounded by sealing material in electrode sealing area, where sealing material forms flat sealing surfaces at side surfaces of electrode</title><description>The seal has an electrode (1) with an expanded material, which is completely surrounded by a sealing material (3) i.e. silicone sealing material, in a circular sealing area (2) of the electrode. 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Die Erfindung betrifft auch eine Elektrode mit einer solchen erfindungsgemäßen Dichtung sowie ein Verfahren zum gegeneinander Dichten einer solchen Elektrode gegen eine Bipolarplatte und/oder eine Membran einer Brennstoffzelle oder eines Elektrolyseurs.</description><subject>APPARATUS THEREFOR</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>ELECTRICITY</subject><subject>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</subject><subject>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS</subject><subject>METALLURGY</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2008</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNT71uwjAQzsJQAe9wCxughLZCjAiC2OmOrs5nYukSR7Yj4JV5ChzUICSWTqf7fu8-ktsBLKStIwhUcLYAWU2Yn-akWwgpiEypZP8iOJtQEi4N1wUKqjjAGY6qc2lUScaTslUjCJAr-dY52z6Ev3GLbaY-PT1k6pfcnmUH7tLg8O6It1aetHB4crFDs4KnDjNdUA90r_Txo2SgWTzGf3OYTHb5z2Y_Q2OP8E001AjHbZ6lizRdpouv1fdqnX3-V3cHpy9xew</recordid><startdate>20081204</startdate><enddate>20081204</enddate><creator>HECKER, KARL-HEINZ</creator><scope>EVB</scope></search><sort><creationdate>20081204</creationdate><title>Seal for electrode of e.g. fuel cell, has electrode with expanded material, which is completely surrounded by sealing material in electrode sealing area, where sealing material forms flat sealing surfaces at side surfaces of electrode</title><author>HECKER, KARL-HEINZ</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_DE102007024959A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; ger</language><creationdate>2008</creationdate><topic>APPARATUS THEREFOR</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>ELECTRICITY</topic><topic>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</topic><topic>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS</topic><topic>METALLURGY</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><toplevel>online_resources</toplevel><creatorcontrib>HECKER, KARL-HEINZ</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HECKER, KARL-HEINZ</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Seal for electrode of e.g. fuel cell, has electrode with expanded material, which is completely surrounded by sealing material in electrode sealing area, where sealing material forms flat sealing surfaces at side surfaces of electrode</title><date>2008-12-04</date><risdate>2008</risdate><abstract>The seal has an electrode (1) with an expanded material, which is completely surrounded by a sealing material (3) i.e. silicone sealing material, in a circular sealing area (2) of the electrode. The sealing material forms flat sealing surfaces (4, 5) respectively at a pair of side surfaces (1a, 1b) of the electrode. The thickness of the sealing material is larger than the thickness of the expanded electrode between the side surfaces such that the respective sealing surfaces project at the side surfaces around 0.05 millimeter (mm) to 0.50 mm. An independent claim is also included for a method for sealing an electrode against a bipolar plate or a membrane of a fuel cell or an electrolyzer. Die Erfindung betrifft eine Dichtung einer Elektrode einer Brennstoffzelle oder eines Elektrolyseurs, wobei ein verstrecktes Material der Elektrode (1) in einem umlaufenden Dichtungsbereich (2) der Elektrode von einem Dichtungsmaterial (3) vollständig umgeben ist und wobei das Dichtungsmaterial (3) an einer ersten Seitenfläche (1a) und an einer zweiten Seitenfläche (1b) der Elektrode (1) jeweils eine ebene oder im Wesentlichen ebene Dichtfläche (4, 5) bildet. Die Erfindung betrifft auch eine Elektrode mit einer solchen erfindungsgemäßen Dichtung sowie ein Verfahren zum gegeneinander Dichten einer solchen Elektrode gegen eine Bipolarplatte und/oder eine Membran einer Brennstoffzelle oder eines Elektrolyseurs.</abstract><oa>free_for_read</oa></addata></record>
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subjects APPARATUS THEREFOR
BASIC ELECTRIC ELEMENTS
CHEMISTRY
ELECTRICITY
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES
ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Seal for electrode of e.g. fuel cell, has electrode with expanded material, which is completely surrounded by sealing material in electrode sealing area, where sealing material forms flat sealing surfaces at side surfaces of electrode
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