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SiO2-protected shell mediated templating synthesis of Fe-N-doped carbon nanofibers and their enhanced oxygen reduction reaction performance
Hu, BC; Wu, ZY; Chu SQ(储胜启); Zhang J(张静); Chu, SQ; Zhu, HW; Liang, HW; Zhang, J; Yu, SH
2018
Source PublicationENERGY & ENVIRONMENTAL SCIENCE
ISSN1754-5692
EISSN1754-5706
Volume11Issue:8Pages:2208-2215
SubtypeArticle
AbstractElectrocatalytic reduction of oxygen plays a crucial role in many energy storage and conversion devices. Currently, the development of high-performance carbon-based non-precious-metal (NPM) oxygen reduction reaction (ORR) catalysts in acidic media still remains a great challenge. Herein, we report a highly active meso/microporous Fe-N-doped carbon nanofiber (Fe-N-CNF) catalyst prepared via a SiO2-protected shell mediated template method. The SiO2-protected shell not only restricts the free migration of iron species but also traps volatile gaseous substances during the pyrolysis process at high temperature, thus leading to a simultaneous optimization of both the surface functionalities and porous structures of the Fe-N-CNF catalysts. Compared to catalysts prepared without a SiO2-protected shell, the Fe-N-CNF catalysts exhibit a much enhanced ORR activity in an acidic medium, along with a superior long-term stability.
DOI10.1039/c8ee00673c
WOS KeywordMETAL-FREE ELECTROCATALYSTS ; ELECTROLYTE FUEL-CELLS ; ORGANIC FRAMEWORK ; ACTIVE-SITES ; C CATALYSTS ; NITROGEN ; IRON ; GRAPHENE ; EVOLUTION ; ARRAYS
Indexed BySCI ; EI
Language英语
WOS Research AreaChemistry ; Energy & Fuels ; Engineering ; Environmental Sciences & Ecology
WOS SubjectChemistry, Multidisciplinary ; Energy & Fuels ; Engineering, Chemical ; Environmental Sciences
WOS IDWOS:000442262900028
EI Accession Number20183505746266
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ihep.ac.cn/handle/311005/286248
Collection多学科研究中心
粒子天体物理中心
Affiliation中国科学院高能物理研究所
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Hu, BC,Wu, ZY,Chu SQ,et al. SiO2-protected shell mediated templating synthesis of Fe-N-doped carbon nanofibers and their enhanced oxygen reduction reaction performance[J]. ENERGY & ENVIRONMENTAL SCIENCE,2018,11(8):2208-2215.
APA Hu, BC.,Wu, ZY.,储胜启.,张静.,Chu, SQ.,...&Yu, SH.(2018).SiO2-protected shell mediated templating synthesis of Fe-N-doped carbon nanofibers and their enhanced oxygen reduction reaction performance.ENERGY & ENVIRONMENTAL SCIENCE,11(8),2208-2215.
MLA Hu, BC,et al."SiO2-protected shell mediated templating synthesis of Fe-N-doped carbon nanofibers and their enhanced oxygen reduction reaction performance".ENERGY & ENVIRONMENTAL SCIENCE 11.8(2018):2208-2215.
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