XPS investigations of the proton exchange membrane fuel cell active layers aging: Characterization of the mitigating role of an anodic CO contamination on cathode degradation
▶ XPS is used to characterize cathode catalyst layers aged under fuel cell operation. ▶ With pure hydrogen and air, the inlet zone is the most degraded. ▶ When 5ppm CO is introduced in the anode side the degradation is lowered. This paper presents new results from XPS quantitative characterizations...
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| Veröffentlicht in: | Journal of power sources 2011-03, Vol.196 (5), p.2530-2538 |
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| creator | Parry, Valérie Berthomé, Grégory Joud, Jean-Charles Lemaire, Olivier Franco, Alejandro A. |
| description | ▶ XPS is used to characterize cathode catalyst layers aged under fuel cell operation. ▶ With pure hydrogen and air, the inlet zone is the most degraded. ▶ When 5ppm CO is introduced in the anode side the degradation is lowered.
This paper presents new results from XPS quantitative characterizations of cathode catalyst layers aged in a PEMFC with an anode operated under pure hydrogen and air and with 5ppm CO contaminated hydrogen. Both oxygen rich and oxygen poor zones of the cathode catalyst layer were analyzed in order to show up heterogeneous degradation linked with gas distribution. The detailed chemical XPS analysis of the aged samples demonstrates in particular that in our operating conditions, the catalyst layer aging is mainly attributed to the oxidation of the carbon catalyst-support. A loss of the Nafion® ionomer in the cathode is also highlighted by XPS. Furthermore, the characterization of the cathodic catalyst layer chemical composition when CO is introduced in the anode side shows that the catalyst layer degradation is lower. These results are in agreement with the experimental-modeling work by Franco et al. [1] demonstrating that anodic CO contamination decreases the reverse proton pumping effect between the cathode and the anode and enhances the PEMFC durability. |
| doi_str_mv | 10.1016/j.jpowsour.2010.11.027 |
| format | Article |
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This paper presents new results from XPS quantitative characterizations of cathode catalyst layers aged in a PEMFC with an anode operated under pure hydrogen and air and with 5ppm CO contaminated hydrogen. Both oxygen rich and oxygen poor zones of the cathode catalyst layer were analyzed in order to show up heterogeneous degradation linked with gas distribution. The detailed chemical XPS analysis of the aged samples demonstrates in particular that in our operating conditions, the catalyst layer aging is mainly attributed to the oxidation of the carbon catalyst-support. A loss of the Nafion® ionomer in the cathode is also highlighted by XPS. Furthermore, the characterization of the cathodic catalyst layer chemical composition when CO is introduced in the anode side shows that the catalyst layer degradation is lower. These results are in agreement with the experimental-modeling work by Franco et al. [1] demonstrating that anodic CO contamination decreases the reverse proton pumping effect between the cathode and the anode and enhances the PEMFC durability.</description><identifier>ISSN: 0378-7753</identifier><identifier>EISSN: 1873-2755</identifier><identifier>DOI: 10.1016/j.jpowsour.2010.11.027</identifier><identifier>CODEN: JPSODZ</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Active layers aging ; Anodes ; Anodic ; Applied sciences ; Carbon corrosion ; Carbon monoxide ; Catalysts ; Cathodes ; Chemical Sciences ; CO contamination ; Contamination ; Degradation ; Direct energy conversion and energy accumulation ; Electrical engineering. Electrical power engineering ; Electrical power engineering ; Electrochemical conversion: primary and secondary batteries, fuel cells ; Energy ; Energy. Thermal use of fuels ; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc ; Exact sciences and technology ; Fuel cells ; Material chemistry ; PEMFC ; Proton exchange membrane fuel cells ; X-ray photoelectron spectroscopy ; XPS</subject><ispartof>Journal of power sources, 2011-03, Vol.196 (5), p.2530-2538</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-1a93fce9d126e572ee13ce9d684ed396ec27041569e2a6fdf1e64057e6dbe8443</citedby><cites>FETCH-LOGICAL-c441t-1a93fce9d126e572ee13ce9d684ed396ec27041569e2a6fdf1e64057e6dbe8443</cites><orcidid>0000-0001-7362-7849</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.jpowsour.2010.11.027$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23784374$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.science/hal-00633950$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Parry, Valérie</creatorcontrib><creatorcontrib>Berthomé, Grégory</creatorcontrib><creatorcontrib>Joud, Jean-Charles</creatorcontrib><creatorcontrib>Lemaire, Olivier</creatorcontrib><creatorcontrib>Franco, Alejandro A.</creatorcontrib><title>XPS investigations of the proton exchange membrane fuel cell active layers aging: Characterization of the mitigating role of an anodic CO contamination on cathode degradation</title><title>Journal of power sources</title><description>▶ XPS is used to characterize cathode catalyst layers aged under fuel cell operation. ▶ With pure hydrogen and air, the inlet zone is the most degraded. ▶ When 5ppm CO is introduced in the anode side the degradation is lowered.
This paper presents new results from XPS quantitative characterizations of cathode catalyst layers aged in a PEMFC with an anode operated under pure hydrogen and air and with 5ppm CO contaminated hydrogen. Both oxygen rich and oxygen poor zones of the cathode catalyst layer were analyzed in order to show up heterogeneous degradation linked with gas distribution. The detailed chemical XPS analysis of the aged samples demonstrates in particular that in our operating conditions, the catalyst layer aging is mainly attributed to the oxidation of the carbon catalyst-support. A loss of the Nafion® ionomer in the cathode is also highlighted by XPS. Furthermore, the characterization of the cathodic catalyst layer chemical composition when CO is introduced in the anode side shows that the catalyst layer degradation is lower. These results are in agreement with the experimental-modeling work by Franco et al. [1] demonstrating that anodic CO contamination decreases the reverse proton pumping effect between the cathode and the anode and enhances the PEMFC durability.</description><subject>Active layers aging</subject><subject>Anodes</subject><subject>Anodic</subject><subject>Applied sciences</subject><subject>Carbon corrosion</subject><subject>Carbon monoxide</subject><subject>Catalysts</subject><subject>Cathodes</subject><subject>Chemical Sciences</subject><subject>CO contamination</subject><subject>Contamination</subject><subject>Degradation</subject><subject>Direct energy conversion and energy accumulation</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrical power engineering</subject><subject>Electrochemical conversion: primary and secondary batteries, fuel 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>Material chemistry</subject><subject>PEMFC</subject><subject>Proton exchange membrane fuel cells</subject><subject>X-ray photoelectron spectroscopy</subject><subject>XPS</subject><issn>0378-7753</issn><issn>1873-2755</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNqFktGK1DAUhosoOK6-guRG1IuOOUmbtF65DK4rDKyggnchm562GdpkTDqjuw_lM5puZ_dSoRD65zvnJP-fLHsJdA0UxLvderf3v6I_hDWjswhryuSjbAWV5DmTZfk4W1Euq1zKkj_NnsW4o5QCSLrK_vz48pVYd8Q42U5P1rtIfEumHsk--Mk7gr9Nr12HZMTxOmiHpD3gQAwOA9Fmskckg77BEInurOvek02vQ9rAYG_vGt73G-0ywnUk-AFnWbv0-cYasrkixrtJj9adihwxeup9g6TBLujmTn6ePWn1EPHFaT3Lvl98_La5zLdXnz5vzre5KQqYctA1bw3WDTCBpWSIwOdfURXY8FqgYZIWUIoamRZt0wKKgpYSRXONVVHws-zt0rfXg9oHO-pwo7y26vJ8q2aNUsF5XdIjJPb1wibDfh6SkWq0cbYneeUPUVW1AFnUwBL55p8kCAlMCslpQsWCmuBjDNg-nAKommNXO3Ufu5pjVwAqxZ4KX51m6Gj00KbEjI0P1Sy9g4LL-YYfFg6TjUeLQUVj0RlsbEAzqcbb_436C9fcyew</recordid><startdate>20110301</startdate><enddate>20110301</enddate><creator>Parry, Valérie</creator><creator>Berthomé, Grégory</creator><creator>Joud, Jean-Charles</creator><creator>Lemaire, Olivier</creator><creator>Franco, Alejandro A.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SU</scope><scope>7TB</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope><scope>7ST</scope><scope>SOI</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0001-7362-7849</orcidid></search><sort><creationdate>20110301</creationdate><title>XPS investigations of the proton exchange membrane fuel cell active layers aging: Characterization of the mitigating role of an anodic CO contamination on cathode degradation</title><author>Parry, Valérie ; Berthomé, Grégory ; Joud, Jean-Charles ; Lemaire, Olivier ; Franco, Alejandro A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c441t-1a93fce9d126e572ee13ce9d684ed396ec27041569e2a6fdf1e64057e6dbe8443</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Active layers aging</topic><topic>Anodes</topic><topic>Anodic</topic><topic>Applied sciences</topic><topic>Carbon corrosion</topic><topic>Carbon monoxide</topic><topic>Catalysts</topic><topic>Cathodes</topic><topic>Chemical Sciences</topic><topic>CO contamination</topic><topic>Contamination</topic><topic>Degradation</topic><topic>Direct energy conversion and energy accumulation</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrical power engineering</topic><topic>Electrochemical conversion: primary and secondary batteries, fuel 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>Material chemistry</topic><topic>PEMFC</topic><topic>Proton exchange membrane fuel cells</topic><topic>X-ray photoelectron spectroscopy</topic><topic>XPS</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Parry, Valérie</creatorcontrib><creatorcontrib>Berthomé, Grégory</creatorcontrib><creatorcontrib>Joud, Jean-Charles</creatorcontrib><creatorcontrib>Lemaire, Olivier</creatorcontrib><creatorcontrib>Franco, Alejandro A.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><collection>Environment Abstracts</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Journal of power sources</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Parry, Valérie</au><au>Berthomé, Grégory</au><au>Joud, Jean-Charles</au><au>Lemaire, Olivier</au><au>Franco, Alejandro A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>XPS investigations of the proton exchange membrane fuel cell active layers aging: Characterization of the mitigating role of an anodic CO contamination on cathode degradation</atitle><jtitle>Journal of power sources</jtitle><date>2011-03-01</date><risdate>2011</risdate><volume>196</volume><issue>5</issue><spage>2530</spage><epage>2538</epage><pages>2530-2538</pages><issn>0378-7753</issn><eissn>1873-2755</eissn><coden>JPSODZ</coden><abstract>▶ XPS is used to characterize cathode catalyst layers aged under fuel cell operation. ▶ With pure hydrogen and air, the inlet zone is the most degraded. ▶ When 5ppm CO is introduced in the anode side the degradation is lowered.
This paper presents new results from XPS quantitative characterizations of cathode catalyst layers aged in a PEMFC with an anode operated under pure hydrogen and air and with 5ppm CO contaminated hydrogen. Both oxygen rich and oxygen poor zones of the cathode catalyst layer were analyzed in order to show up heterogeneous degradation linked with gas distribution. The detailed chemical XPS analysis of the aged samples demonstrates in particular that in our operating conditions, the catalyst layer aging is mainly attributed to the oxidation of the carbon catalyst-support. A loss of the Nafion® ionomer in the cathode is also highlighted by XPS. Furthermore, the characterization of the cathodic catalyst layer chemical composition when CO is introduced in the anode side shows that the catalyst layer degradation is lower. These results are in agreement with the experimental-modeling work by Franco et al. [1] demonstrating that anodic CO contamination decreases the reverse proton pumping effect between the cathode and the anode and enhances the PEMFC durability.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jpowsour.2010.11.027</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0001-7362-7849</orcidid></addata></record> |
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| ispartof | Journal of power sources, 2011-03, Vol.196 (5), p.2530-2538 |
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| subjects | Active layers aging Anodes Anodic Applied sciences Carbon corrosion Carbon monoxide Catalysts Cathodes Chemical Sciences CO contamination Contamination Degradation Direct energy conversion and energy accumulation Electrical engineering. Electrical power engineering Electrical power engineering Electrochemical conversion: primary and secondary batteries, fuel cells Energy Energy. Thermal use of fuels Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc Exact sciences and technology Fuel cells Material chemistry PEMFC Proton exchange membrane fuel cells X-ray photoelectron spectroscopy XPS |
| title | XPS investigations of the proton exchange membrane fuel cell active layers aging: Characterization of the mitigating role of an anodic CO contamination on cathode degradation |
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