Method for starting up fuel cell

Method for starting up fuel cell

The invention relates to a method for starting up a fuel cell (3) in a fuel cell system (1) at temperatures below the freezing point of water. The method according to the invention is characterized inthat in a first step (I), the hydrogen concentration (%H2) in the anode (4) is increased; in a secon...

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Hauptverfasser: IWAN LAURA, FELLOWS RICHARD, PASTOR NIGORRA PERE, SCHMALZRIEDT SVEN
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator IWAN LAURA
FELLOWS RICHARD
PASTOR NIGORRA PERE
SCHMALZRIEDT SVEN
description The invention relates to a method for starting up a fuel cell (3) in a fuel cell system (1) at temperatures below the freezing point of water. The method according to the invention is characterized inthat in a first step (I), the hydrogen concentration (%H2) in the anode (4) is increased; in a second step (II), the anode pressure (p) is then increased for a specified duration ([delta]t), and whenair is supplied to the cathode (5), the maximum possible current is drawn from the fuel cell (3); in a third step (III), the fuel cell (3) is then switched without a load and the anode pressure (p) is reduced; and the second step (II) and the third step (III) are then repeated one after the other until a performance of the fuel cell (3) is reached which is sufficient for a normal operation. 本发明涉及一种用于在低于水结冰点的温度下启动燃料电池系统(1)中的燃料电池(3)的方法。本发明方法的特征是，在第一步骤(I)中提高阳极(4)中的氢浓度(％H)；随后在第二步骤(II)中在规定的时间段(Δt)提高阳极压力(p)，并且在空气被供应给阴极(5)时从燃料电池(3)汲取尽可能大的电流；随后在第三步骤(III)中将燃料电池(3)切换成无负荷并且降低阳极压力(p)；且随后一直接连重复第二步骤(II)和第三步骤(III)，直至燃料电池(3)达到足以供其正常运
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The method according to the invention is characterized inthat in a first step (I), the hydrogen concentration (%H2) in the anode (4) is increased; in a second step (II), the anode pressure (p) is then increased for a specified duration ([delta]t), and whenair is supplied to the cathode (5), the maximum possible current is drawn from the fuel cell (3); in a third step (III), the fuel cell (3) is then switched without a load and the anode pressure (p) is reduced; and the second step (II) and the third step (III) are then repeated one after the other until a performance of the fuel cell (3) is reached which is sufficient for a normal operation. 本发明涉及一种用于在低于水结冰点的温度下启动燃料电池系统(1)中的燃料电池(3)的方法。本发明方法的特征是，在第一步骤(I)中提高阳极(4)中的氢浓度(％H)；随后在第二步骤(II)中在规定的时间段(Δt)提高阳极压力(p)，并且在空气被供应给阴极(5)时从燃料电池(3)汲取尽可能大的电流；随后在第三步骤(III)中将燃料电池(3)切换成无负荷并且降低阳极压力(p)；且随后一直接连重复第二步骤(II)和第三步骤(III)，直至燃料电池(3)达到足以供其正常运</description><language>chi ; eng</language><subject>BASIC ELECTRIC ELEMENTS ; ELECTRICITY ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><creationdate>2020</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=20200731&amp;DB=EPODOC&amp;CC=CN&amp;NR=111480253A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20200731&amp;DB=EPODOC&amp;CC=CN&amp;NR=111480253A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IWAN LAURA</creatorcontrib><creatorcontrib>FELLOWS RICHARD</creatorcontrib><creatorcontrib>PASTOR NIGORRA PERE</creatorcontrib><creatorcontrib>SCHMALZRIEDT SVEN</creatorcontrib><title>Method for starting up fuel cell</title><description>The invention relates to a method for starting up a fuel cell (3) in a fuel cell system (1) at temperatures below the freezing point of water. 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The method according to the invention is characterized inthat in a first step (I), the hydrogen concentration (%H2) in the anode (4) is increased; in a second step (II), the anode pressure (p) is then increased for a specified duration ([delta]t), and whenair is supplied to the cathode (5), the maximum possible current is drawn from the fuel cell (3); in a third step (III), the fuel cell (3) is then switched without a load and the anode pressure (p) is reduced; and the second step (II) and the third step (III) are then repeated one after the other until a performance of the fuel cell (3) is reached which is sufficient for a normal operation. 本发明涉及一种用于在低于水结冰点的温度下启动燃料电池系统(1)中的燃料电池(3)的方法。本发明方法的特征是，在第一步骤(I)中提高阳极(4)中的氢浓度(％H)；随后在第二步骤(II)中在规定的时间段(Δt)提高阳极压力(p)，并且在空气被供应给阴极(5)时从燃料电池(3)汲取尽可能大的电流；随后在第三步骤(III)中将燃料电池(3)切换成无负荷并且降低阳极压力(p)；且随后一直接连重复第二步骤(II)和第三步骤(III)，直至燃料电池(3)达到足以供其正常运</abstract><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title Method for starting up fuel cell
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