M(Salen)-derived nitrogen-doped M/C (M = Fe, Co, Ni) porous nanocomposites for electrocatalytic oxygen reduction

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題名:	M(Salen)-derived nitrogen-doped M/C (M = Fe, Co, Ni) porous nanocomposites for electrocatalytic oxygen reduction
作者:	鄭芳怡;Du, Jing;Cheng, Fangyi;Wang, Shiwen;Zhang, Tianran;Chen, Jun
貢獻者:	地球科學學院大氣科學學系
關鍵詞:	140/133;140/146;147/135;147/143;639/301/299/886;639/925/357;conference-proceeding;Humanities and Social Sciences;multidisciplinary;Science
日期:	2014-03-17
上傳時間:	2026-04-21 13:55:41 (UTC+8)
出版者:	Nature Publishing Group;London: Nature Publishing Group UK
摘要:	摘要： Carbonaceous materials containing non-precious metal and/or doped nitrogen have attracted tremendous attention in the field of electrochemical energy storage and conversion. Herein, we report the synthesis and electrochemical properties of a new family of nitrogen-doped metal/carbon (M/N/C, M = Fe, Co, Ni) nanocomposites. The M/N/C nanocomposites, in which metal nanoparticles are embedded in the highly porous nitrogen-doped carbon matrix, have been synthesized by simply pyrolyzing M(salen) (salen = N,N′-bis(salicylidene)-ethylenediamine) complex precursors. The prepared Co/N/C and Fe/N/C exhibit remarkable electrocatalytic activity (with onset potential of 0.96 V for Fe/N/C and half-wave potential of 0.80 V for Co/N/C) and high stability for the oxygen reduction reaction (ORR). The superior performance of the nanocomposites is attributed to their bimodal-pore structure, high surface area, as well as uniform distribution of high-density nitrogen and metal active sites. 其他題名： Sci Rep 出版者： London: Nature Publishing Group UK 出版日期： 2014-03-17 出處： Scientific reports, 2014-03, Vol.4 (1), p.4386, Article 4386 資源來源： Nature Journals Online 版權： The Author(s) 2014 版權： Copyright © 2014, Macmillan Publishers Limited. All rights reserved 2014 Macmillan Publishers Limited. All rights reserved 識別號： ISSN: 2045-2322 識別號： EISSN: 2045-2322 識別號： DOI: 10.1038/srep04386 識別號： PMID: 24865606
顯示於類別:	[大氣科學學系] 期刊論文

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