A hierarchical porous Fe-N impregnated carbon-graphene hybrid for high-performance oxygen reduction reaction
A Fe-N impregnated carbon in a hybrid with in-situ grown graphene from hierarchical porous carbon has been obtained for high-performance oxygen reduction reaction (ORR) catalysis. This hybrid material combines the desirable characteristics for the ORR, including Fe-N active sites, high surface area,...
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| Veröffentlicht in: | Carbon (New York) 2019-04, Vol.144, p.798-804 |
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| container_title | Carbon (New York) |
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| creator | Wang, Sihui Yan, Xiao Wu, Kuang-Hsu Chen, Xuemin Feng, Jian-Min Lu, Pengyi Feng, Hou Cheng, Hui-Ming Liang, Ji Dou, Shi Xue |
| description | A Fe-N impregnated carbon in a hybrid with in-situ grown graphene from hierarchical porous carbon has been obtained for high-performance oxygen reduction reaction (ORR) catalysis. This hybrid material combines the desirable characteristics for the ORR, including Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for mass diffusion. As a result, this catalyst exhibits a very positive reaction onset potential (−0.05 V vs. Ag/AgCl), a high ORR current density, and a complete four-electron ORR pathway, which are even better than a commercial 20% Pt/C catalyst. We further reveal the synergistic ORR enhancement from the controlled Fe-N impregnation in the doped carbon-graphene hybrid.
A hierarchical porous Fe-N impregnated carbon-graphite has been obtained, which carries outstanding ORR catalytic capability even better than the state-of-the-art Pt/C catalyst in an alkaline electrolyte. The excellent performance of this hybrid material can be attributed to the Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for facile mass diffusion. [Display omitted] |
| doi_str_mv | 10.1016/j.carbon.2018.12.066 |
| format | Article |
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A hierarchical porous Fe-N impregnated carbon-graphite has been obtained, which carries outstanding ORR catalytic capability even better than the state-of-the-art Pt/C catalyst in an alkaline electrolyte. The excellent performance of this hybrid material can be attributed to the Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for facile mass diffusion. [Display omitted]</description><identifier>ISSN: 0008-6223</identifier><identifier>EISSN: 1873-3891</identifier><identifier>DOI: 10.1016/j.carbon.2018.12.066</identifier><language>eng</language><publisher>New York: Elsevier Ltd</publisher><subject>Carbon ; Catalysis ; Catalysts ; Electron conductivity ; Graphene ; Oxygen reduction reactions ; Porosity ; Silver chloride</subject><ispartof>Carbon (New York), 2019-04, Vol.144, p.798-804</ispartof><rights>2018 Elsevier Ltd</rights><rights>Copyright Elsevier BV Apr 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c485t-480293c653735c621e8e5def68df1d458f99e7bd9bf3a22482c1d0d265d193d43</citedby><cites>FETCH-LOGICAL-c485t-480293c653735c621e8e5def68df1d458f99e7bd9bf3a22482c1d0d265d193d43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.carbon.2018.12.066$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27926,27927,45997</link.rule.ids></links><search><creatorcontrib>Wang, Sihui</creatorcontrib><creatorcontrib>Yan, Xiao</creatorcontrib><creatorcontrib>Wu, Kuang-Hsu</creatorcontrib><creatorcontrib>Chen, Xuemin</creatorcontrib><creatorcontrib>Feng, Jian-Min</creatorcontrib><creatorcontrib>Lu, Pengyi</creatorcontrib><creatorcontrib>Feng, Hou</creatorcontrib><creatorcontrib>Cheng, Hui-Ming</creatorcontrib><creatorcontrib>Liang, Ji</creatorcontrib><creatorcontrib>Dou, Shi Xue</creatorcontrib><title>A hierarchical porous Fe-N impregnated carbon-graphene hybrid for high-performance oxygen reduction reaction</title><title>Carbon (New York)</title><description>A Fe-N impregnated carbon in a hybrid with in-situ grown graphene from hierarchical porous carbon has been obtained for high-performance oxygen reduction reaction (ORR) catalysis. This hybrid material combines the desirable characteristics for the ORR, including Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for mass diffusion. As a result, this catalyst exhibits a very positive reaction onset potential (−0.05 V vs. Ag/AgCl), a high ORR current density, and a complete four-electron ORR pathway, which are even better than a commercial 20% Pt/C catalyst. We further reveal the synergistic ORR enhancement from the controlled Fe-N impregnation in the doped carbon-graphene hybrid.
A hierarchical porous Fe-N impregnated carbon-graphite has been obtained, which carries outstanding ORR catalytic capability even better than the state-of-the-art Pt/C catalyst in an alkaline electrolyte. The excellent performance of this hybrid material can be attributed to the Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for facile mass diffusion. [Display omitted]</description><subject>Carbon</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Electron conductivity</subject><subject>Graphene</subject><subject>Oxygen reduction reactions</subject><subject>Porosity</subject><subject>Silver chloride</subject><issn>0008-6223</issn><issn>1873-3891</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9UMtOwzAQtBBIlMIfcLDEOcGPJHUuSFVFAamCC5wt1940jto4bBJE_x6XcOa0s9I8NEPILWcpZ7y4b1JrcBvaVDCuUi5SVhRnZMbVQiZSlfyczBhjKimEkJfkqu-b-GaKZzOyX9LaAxq0tbdmT7uAYezpGpJX6g8dwq41Azg6BSQ7NF0NLdD6uEXvaBUw6nd10gFGfDCtBRq-jztoKYIb7eDDCZlfcE0uKrPv4ebvzsnH-vF99Zxs3p5eVstNYjOVD0mmmCilLXK5kLktBAcFuYOqUK7iLstVVZaw2LpyW0kjRKaE5Y45UeSOl9Jlck7uJt8Ow-cI_aCbMGIbI7UQXJW5koJHVjaxLIa-R6h0h_5g8Kg506dddaOn2vq0q-ZCx12j7GGSQWzwFbfTvfUQezuPYAftgv_f4AcxXIQg</recordid><startdate>20190401</startdate><enddate>20190401</enddate><creator>Wang, Sihui</creator><creator>Yan, Xiao</creator><creator>Wu, Kuang-Hsu</creator><creator>Chen, Xuemin</creator><creator>Feng, Jian-Min</creator><creator>Lu, Pengyi</creator><creator>Feng, Hou</creator><creator>Cheng, Hui-Ming</creator><creator>Liang, Ji</creator><creator>Dou, Shi Xue</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190401</creationdate><title>A hierarchical porous Fe-N impregnated carbon-graphene hybrid for high-performance oxygen reduction reaction</title><author>Wang, Sihui ; Yan, Xiao ; Wu, Kuang-Hsu ; Chen, Xuemin ; Feng, Jian-Min ; Lu, Pengyi ; Feng, Hou ; Cheng, Hui-Ming ; Liang, Ji ; Dou, Shi Xue</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c485t-480293c653735c621e8e5def68df1d458f99e7bd9bf3a22482c1d0d265d193d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Carbon</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Electron conductivity</topic><topic>Graphene</topic><topic>Oxygen reduction reactions</topic><topic>Porosity</topic><topic>Silver chloride</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Sihui</creatorcontrib><creatorcontrib>Yan, Xiao</creatorcontrib><creatorcontrib>Wu, Kuang-Hsu</creatorcontrib><creatorcontrib>Chen, Xuemin</creatorcontrib><creatorcontrib>Feng, Jian-Min</creatorcontrib><creatorcontrib>Lu, Pengyi</creatorcontrib><creatorcontrib>Feng, Hou</creatorcontrib><creatorcontrib>Cheng, Hui-Ming</creatorcontrib><creatorcontrib>Liang, Ji</creatorcontrib><creatorcontrib>Dou, Shi Xue</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Carbon (New York)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Sihui</au><au>Yan, Xiao</au><au>Wu, Kuang-Hsu</au><au>Chen, Xuemin</au><au>Feng, Jian-Min</au><au>Lu, Pengyi</au><au>Feng, Hou</au><au>Cheng, Hui-Ming</au><au>Liang, Ji</au><au>Dou, Shi Xue</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A hierarchical porous Fe-N impregnated carbon-graphene hybrid for high-performance oxygen reduction reaction</atitle><jtitle>Carbon (New York)</jtitle><date>2019-04-01</date><risdate>2019</risdate><volume>144</volume><spage>798</spage><epage>804</epage><pages>798-804</pages><issn>0008-6223</issn><eissn>1873-3891</eissn><abstract>A Fe-N impregnated carbon in a hybrid with in-situ grown graphene from hierarchical porous carbon has been obtained for high-performance oxygen reduction reaction (ORR) catalysis. This hybrid material combines the desirable characteristics for the ORR, including Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for mass diffusion. As a result, this catalyst exhibits a very positive reaction onset potential (−0.05 V vs. Ag/AgCl), a high ORR current density, and a complete four-electron ORR pathway, which are even better than a commercial 20% Pt/C catalyst. We further reveal the synergistic ORR enhancement from the controlled Fe-N impregnation in the doped carbon-graphene hybrid.
A hierarchical porous Fe-N impregnated carbon-graphite has been obtained, which carries outstanding ORR catalytic capability even better than the state-of-the-art Pt/C catalyst in an alkaline electrolyte. The excellent performance of this hybrid material can be attributed to the Fe-N active sites, high surface area, good electron conductivity, and hierarchical channels for facile mass diffusion. [Display omitted]</abstract><cop>New York</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.carbon.2018.12.066</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Carbon Catalysis Catalysts Electron conductivity Graphene Oxygen reduction reactions Porosity Silver chloride |
| title | A hierarchical porous Fe-N impregnated carbon-graphene hybrid for high-performance oxygen reduction reaction |
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