Non-noble bimetallic alloy encased in nitrogen-doped nanotubes as a highly active and durable electrocatalyst for oxygen reduction reaction

doi:10.1016/j.carbon.2016.12.017

	Non-noble bimetallic alloy encased in nitrogen-doped nanotubes as a highly active and durable electrocatalyst for oxygen reduction reaction
	Zeng, Liming 1,2; Cui, Xiangzhi 1; Chen, Lisong 1; Ye, Ting 1,2; Huang, Weimin 1; Ma, Ruguang 1; Zhang, Xiaohua 1,2; Shi, Jianlin 1
刊名	Carbon
	2017
卷号	114 页码:347-355
ISSN号	00086223
DOI	10.1016/j.carbon.2016.12.017
英文摘要	Exploring highly active, cost-effective and durable oxygen reduction reaction (ORR) electrocatalysts as substitutes for the rare platinum-based catalysts is of great significance in energy conversion and storage devices, such as alkaline fuel cells, metal-air batteries, etc. Herein, we fabricated a new type ORR electrocatalyst of Ni[sbnd]Co nanocrystal alloy encapsulated in N-doped carbon nanotubes (NCNTs) through a facile, scalable route utilizing nickel acetate and cobalt chloride as metallic Ni and Co precursors, thiourea as a nitrogen and carbon source, respectively, under a Ni/Co atomic ratio of 3:7 at 700 °C. The obtained nanocomposite catalyst NiCo@NCNT-700 exhibited an outstanding ORR activity close to that of the state-of-the-art Pt/C catalyst and superior operational durability under alkaline conditions, which could be attributed to the co-contributions among the uniformly distributed Ni[sbnd]Co alloy nanoparticles, graphitic NCNTs and the formation of Co[sbnd]N species. This work provides a new insight for the rational design and development of efficient non-noble metal electrocatalysts by integrating electrochemically active units into the nanocomposite for challenging electrochemical energy-related technologies. © 2016 Elsevier Ltd
内容类型	期刊论文
源URL	[http://ir.sic.ac.cn/handle/331005/25814]
专题	中国科学院上海硅酸盐研究所
作者单位	1.State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China; 2.University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing; 100049, China
推荐引用方式 GB/T 7714	Zeng, Liming,Cui, Xiangzhi,Chen, Lisong,et al. Non-noble bimetallic alloy encased in nitrogen-doped nanotubes as a highly active and durable electrocatalyst for oxygen reduction reaction[J]. Carbon,2017,114:347-355.
APA	Zeng, Liming.,Cui, Xiangzhi.,Chen, Lisong.,Ye, Ting.,Huang, Weimin.,...&Shi, Jianlin.(2017).Non-noble bimetallic alloy encased in nitrogen-doped nanotubes as a highly active and durable electrocatalyst for oxygen reduction reaction.Carbon,114,347-355.
MLA	Zeng, Liming,et al."Non-noble bimetallic alloy encased in nitrogen-doped nanotubes as a highly active and durable electrocatalyst for oxygen reduction reaction".Carbon 114(2017):347-355.