M(salen)-derived nitrogen-doped M/C (M = Fe, Co, Ni) porous nanocomposites for electrocatalytic oxygen reduction.
M(salen)-derived nitrogen-doped M/C (M = Fe, Co, Ni) porous nanocomposites for electrocatalytic oxygen reduction.
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M(Salen) 衍生的氮掺杂 M/C(M = Fe、Co、Ni)多孔纳米复合材料用于电催化氧还原
DOI:
10.1038/srep04386
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发表时间:
2014-03-17
影响因子:
4.6
通讯作者:
Chen J
中科院分区:
文献类型:
--
作者:
Du J;Cheng F;Wang S;Zhang T;Chen J
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 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.
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