A Redox-anchoring Approach to Well-dispersed MoCx/C Nanocomposite for Efficient Electrocatalytic Hydrogen Evolution
文献类型：期刊论文
| 作者 | Zhou, Yajun1,2; Zhang, Lingxia1; Huang, Weimin1; Wang, Min1,2; Chen, Lisong3; Cui, Xiangzhi1; Zhang, Xiaohua1,2; Shi, Jianlin1,4 |
| 刊名 | Chemistry - An Asian Journal
 |
| 出版日期 | 2017 |
| 卷号 | 12期号:4页码:446-452 |
| ISSN号 | 18614728 |
| DOI | 10.1002/asia.201601528 |
| 英文摘要 | Here we report a redox-anchoring strategy for synthesizing a non-noble metal carbide (MoCx) nanocomposite electrocatalyst for water electrolysis in acidic media, using glucose and ammonium heptamolybdate as carbon and Mo precursors, respectively, without the need of gaseous carbon sources such as CH4. Specifically, the aldehyde groups of glucose are capable of reducing Mo6+to Mo4+(MoO2), and thus molybdenum species can be well anchored by a redox reaction onto a carbon matrix to prevent the aggregation of MoCxnanoparticles during the following carbonization process. The morphology and chemical composition of the electrocatalysts were well characterized by BSE-SEM, TEM, XRD and XPS. The obtained MoCx−2 sample showed a reasonably high hydrogen evolution reaction (HER) activity and excellent stability in an acidic electrolyte, and its overpotential required for a current density output of 20 mA cm−2is as low as 193 mV. Such a prominent performance is ascribed to the excellent dispersity and nano-size, and the large reactive surface area of MoCxparticles. This work may open a new way to the design and fabrication of other non-noble metal carbide nanocatalysts for various electrochemical applications. © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim |
| 源URL | [http://ir.sic.ac.cn/handle/331005/25895]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 作者单位 | 1.State Key Laboratory 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, Beijing; 100049, China; 3.Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai; 200062, China; 4.Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing; 211800, China |
| 推荐引用方式 GB/T 7714 | Zhou, Yajun,Zhang, Lingxia,Huang, Weimin,et al. A Redox-anchoring Approach to Well-dispersed MoCx/C Nanocomposite for Efficient Electrocatalytic Hydrogen Evolution[J]. Chemistry - An Asian Journal,2017,12(4):446-452. |
| APA | Zhou, Yajun.,Zhang, Lingxia.,Huang, Weimin.,Wang, Min.,Chen, Lisong.,...&Shi, Jianlin.(2017).A Redox-anchoring Approach to Well-dispersed MoCx/C Nanocomposite for Efficient Electrocatalytic Hydrogen Evolution.Chemistry - An Asian Journal,12(4),446-452. |
| MLA | Zhou, Yajun,et al."A Redox-anchoring Approach to Well-dispersed MoCx/C Nanocomposite for Efficient Electrocatalytic Hydrogen Evolution".Chemistry - An Asian Journal 12.4(2017):446-452. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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