Comparison of accelerated aging of silicone rubber gasket material with aging in a fuel cell environment
A polymer electrolyte membrane (PEM) fuel cell stack requires gaskets in each cell to keep the reactant gases within their respective regions. Both sealing and electrochemical performance of the fuel cell depend on the long‐term stability of the gasket materials. In this paper, the change in propert...
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| Veröffentlicht in: | Journal of applied polymer science 2013-08, Vol.129 (3), p.1446-1454 |
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| creator | Pehlivan-Davis, Sebnem Clarke, Jane Armour, Simon |
| description | A polymer electrolyte membrane (PEM) fuel cell stack requires gaskets in each cell to keep the reactant gases within their respective regions. Both sealing and electrochemical performance of the fuel cell depend on the long‐term stability of the gasket materials. In this paper, the change in properties and structure of a silicone rubber gasket brought about by use in a fuel cell was studied and compared to the changes in the same silicone rubber gasket material brought about by accelerated aging. The accelerated aging conditions were chosen to relate to the PEM fuel cell environment, but with more extreme conditions of elevated temperature (140°C) and greater acidity. The dilute sulfuric acid accelerated aging solutions used had pH values of 1, 2, and 4. In an additional test, Nafion® membrane suspended in water was used for accelerated aging, to more closely correspond to a PEM fuel cell environment. The analysis showed that acid hydrolysis was the most likely mechanism of degradation and that similar degradation occurred under both real fuel cell and accelerated aging conditions. It was concluded that the accelerated aging test is a good one for rapidly screening materials for resistance to the acidic environment of the fuel cell. ©2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013 |
| doi_str_mv | 10.1002/app.38837 |
| format | Article |
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Both sealing and electrochemical performance of the fuel cell depend on the long‐term stability of the gasket materials. In this paper, the change in properties and structure of a silicone rubber gasket brought about by use in a fuel cell was studied and compared to the changes in the same silicone rubber gasket material brought about by accelerated aging. The accelerated aging conditions were chosen to relate to the PEM fuel cell environment, but with more extreme conditions of elevated temperature (140°C) and greater acidity. The dilute sulfuric acid accelerated aging solutions used had pH values of 1, 2, and 4. In an additional test, Nafion® membrane suspended in water was used for accelerated aging, to more closely correspond to a PEM fuel cell environment. The analysis showed that acid hydrolysis was the most likely mechanism of degradation and that similar degradation occurred under both real fuel cell and accelerated aging conditions. 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Thermal use of fuels ; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc ; Exact sciences and technology ; Fuel cells ; Gaskets ; Materials science ; Membranes ; Polymer industry, paints, wood ; Polymers ; Reproduction ; rubber ; Sealing ; Silicone rubber ; Technology of polymers</subject><ispartof>Journal of applied polymer science, 2013-08, Vol.129 (3), p.1446-1454</ispartof><rights>Copyright © 2012 Wiley Periodicals, Inc.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4397-4304b2b91c29b4745c579deb8164865bc38426665ac267acae455be9a4cd50673</citedby><cites>FETCH-LOGICAL-c4397-4304b2b91c29b4745c579deb8164865bc38426665ac267acae455be9a4cd50673</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.38837$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.38837$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27364278$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Pehlivan-Davis, Sebnem</creatorcontrib><creatorcontrib>Clarke, Jane</creatorcontrib><creatorcontrib>Armour, Simon</creatorcontrib><title>Comparison of accelerated aging of silicone rubber gasket material with aging in a fuel cell environment</title><title>Journal of applied polymer science</title><addtitle>J. Appl. Polym. Sci</addtitle><description>A polymer electrolyte membrane (PEM) fuel cell stack requires gaskets in each cell to keep the reactant gases within their respective regions. Both sealing and electrochemical performance of the fuel cell depend on the long‐term stability of the gasket materials. In this paper, the change in properties and structure of a silicone rubber gasket brought about by use in a fuel cell was studied and compared to the changes in the same silicone rubber gasket material brought about by accelerated aging. The accelerated aging conditions were chosen to relate to the PEM fuel cell environment, but with more extreme conditions of elevated temperature (140°C) and greater acidity. The dilute sulfuric acid accelerated aging solutions used had pH values of 1, 2, and 4. In an additional test, Nafion® membrane suspended in water was used for accelerated aging, to more closely correspond to a PEM fuel cell environment. The analysis showed that acid hydrolysis was the most likely mechanism of degradation and that similar degradation occurred under both real fuel cell and accelerated aging conditions. It was concluded that the accelerated aging test is a good one for rapidly screening materials for resistance to the acidic environment of the fuel cell. ©2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013</description><subject>ageing</subject><subject>Application fields</subject><subject>Applied sciences</subject><subject>batteries and fuel cells</subject><subject>Degradation</subject><subject>Direct energy conversion and energy accumulation</subject><subject>elastomers</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electrochemical conversion: primary and secondary batteries, fuel cells</subject><subject>Electrolytic cells</subject><subject>Energy</subject><subject>Energy. Thermal use of fuels</subject><subject>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</subject><subject>Exact sciences and technology</subject><subject>Fuel cells</subject><subject>Gaskets</subject><subject>Materials science</subject><subject>Membranes</subject><subject>Polymer industry, paints, wood</subject><subject>Polymers</subject><subject>Reproduction</subject><subject>rubber</subject><subject>Sealing</subject><subject>Silicone rubber</subject><subject>Technology of polymers</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp1kE9v1DAQxS0EEsvCgW9gCSHBIa2d-F-OZQUFqSw9gJC4WBPvZOs2cVI7ofTb47BLD0icLI1_782bR8hLzk44Y-UpjONJZUylH5EVZ7UuhCrNY7LKf7wwdS2fkmcpXTPGuWRqRa42Qz9C9GkIdGgpOIcdRphwR2Hvw34ZJt95NwSkcW4ajHQP6QYn2mcqeujonZ-ujrQPFGg7Y0ezT0cx_PRxCD2G6Tl50kKX8MXxXZNvH95_3XwsLr6cf9qcXRROVEvciommbGruyroRWkgndb3DxnAljJKNq4wolVISXKk0OEAhZYM1CLfLB-lqTd4cfMc43M6YJtv7tISBgMOcLF_WaGnKBX31D3o9zDHkdJZXwkjOdW5yTd4eKBeHlCK2doy-h3hvObNL5zZ3bv90ntnXR0dIDro2QnA-PQjyTiVKvXieHrg73-H9_w3t2eXlX-fioPBpwl8PCog3Nh-tpf2-Pbfbmsl328_G_qh-A3tMnlo</recordid><startdate>20130805</startdate><enddate>20130805</enddate><creator>Pehlivan-Davis, Sebnem</creator><creator>Clarke, Jane</creator><creator>Armour, Simon</creator><general>Wiley Subscription Services, Inc., A Wiley Company</general><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>7SP</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20130805</creationdate><title>Comparison of accelerated aging of silicone rubber gasket material with aging in a fuel cell environment</title><author>Pehlivan-Davis, Sebnem ; Clarke, Jane ; Armour, Simon</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4397-4304b2b91c29b4745c579deb8164865bc38426665ac267acae455be9a4cd50673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>ageing</topic><topic>Application fields</topic><topic>Applied sciences</topic><topic>batteries and fuel cells</topic><topic>Degradation</topic><topic>Direct energy conversion and energy accumulation</topic><topic>elastomers</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Electrochemical conversion: primary and secondary batteries, fuel cells</topic><topic>Electrolytic cells</topic><topic>Energy</topic><topic>Energy. Thermal use of fuels</topic><topic>Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc</topic><topic>Exact sciences and technology</topic><topic>Fuel cells</topic><topic>Gaskets</topic><topic>Materials science</topic><topic>Membranes</topic><topic>Polymer industry, paints, wood</topic><topic>Polymers</topic><topic>Reproduction</topic><topic>rubber</topic><topic>Sealing</topic><topic>Silicone rubber</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pehlivan-Davis, Sebnem</creatorcontrib><creatorcontrib>Clarke, Jane</creatorcontrib><creatorcontrib>Armour, Simon</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Electronics & Communications Abstracts</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pehlivan-Davis, Sebnem</au><au>Clarke, Jane</au><au>Armour, Simon</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of accelerated aging of silicone rubber gasket material with aging in a fuel cell environment</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. 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The dilute sulfuric acid accelerated aging solutions used had pH values of 1, 2, and 4. In an additional test, Nafion® membrane suspended in water was used for accelerated aging, to more closely correspond to a PEM fuel cell environment. The analysis showed that acid hydrolysis was the most likely mechanism of degradation and that similar degradation occurred under both real fuel cell and accelerated aging conditions. It was concluded that the accelerated aging test is a good one for rapidly screening materials for resistance to the acidic environment of the fuel cell. ©2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><doi>10.1002/app.38837</doi><tpages>9</tpages></addata></record> |
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| subjects | ageing Application fields Applied sciences batteries and fuel cells Degradation Direct energy conversion and energy accumulation elastomers Electrical engineering. Electrical power engineering Electrical power engineering Electrochemical conversion: primary and secondary batteries, fuel cells Electrolytic cells Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Fuel cells Gaskets Materials science Membranes Polymer industry, paints, wood Polymers Reproduction rubber Sealing Silicone rubber Technology of polymers |
| title | Comparison of accelerated aging of silicone rubber gasket material with aging in a fuel cell environment |
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