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Ultrafine Molybdenum Carbide Nanoparticles Composited with Carbon as a Highly Active Hydrogen-Evolution Electrocatalyst
文献类型：期刊论文
| 作者 | Ma, Ruguang1,2,3; Zhou, Yao1,2,3; Chen, Yongfang1,4; Li, Pengxi1; Liu, Qian1,2,3; Wang, Jiacheng1,2,3 |
| 刊名 | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
 |
| 出版日期 | 2015-12-01 |
| 卷号 | 54期号:49页码:14723-14727 |
| 关键词 | electrocatalysis graphene hydrogen-evolution reaction molybdenum carbide nanoparticles water splitting |
| 英文摘要 | The replacement of platinum with non-preciousmetal electrocatalysts with high efficiency and superior stability for the hydrogen-evolution reaction (HER) remains a great challenge. Herein, we report the one-step synthesis of uniform, ultrafine molybdenum carbide (Mo2C) nanoparticles (NPs) within a carbon matrix from inexpensive starting materials (dicyanamide and ammonium molybdate). The optimized catalyst consisting of Mo2C NPs with sizes lower than 3 nm encapsulated by ultrathin graphene shells (ca. 1-3 layers) showed superior HER activity in acidic media, with a very low onset potential of -6 mV, a small Tafel slope of 41 mVdec(-1), and a large exchange current density of 0.179 mAcm(-2), as well as good stability during operation for 12 h. These excellent properties are similar to those of state-of-the-art 20% Pt/C and make the catalyst one of the most active acid-stable electrocatalysts ever reported for HER. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Chemistry, Multidisciplinary |
| 研究领域[WOS] | Chemistry |
| 关键词[WOS] | PHOSPHIDE NANOPARTICLES ; EFFICIENT ELECTROCATALYST ; CATALYTIC-ACTIVITY ; ASTERISK-ASTERISK ; HIGH-PERFORMANCE ; COBALT ; WATER ; NANOSHEETS ; NANOWIRE ; CATHODE |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000367723400018 |
| 源URL | [http://ir.sic.ac.cn/handle/331005/8218]  |
| 专题 | 上海硅酸盐研究所_高性能陶瓷和超微结构国家重点实验室_期刊论文 |
| 作者单位 | 1.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China 2.Shanghai Inst Ceram, Innovat Ctr Inorgan Mat Genom Sci, Shanghai 200050, Peoples R China 3.Shanghai Mat Genome Inst, Shanghai 200444, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ma, Ruguang,Zhou, Yao,Chen, Yongfang,et al. Ultrafine Molybdenum Carbide Nanoparticles Composited with Carbon as a Highly Active Hydrogen-Evolution Electrocatalyst[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2015,54(49):14723-14727. |
| APA | Ma, Ruguang,Zhou, Yao,Chen, Yongfang,Li, Pengxi,Liu, Qian,&Wang, Jiacheng.(2015).Ultrafine Molybdenum Carbide Nanoparticles Composited with Carbon as a Highly Active Hydrogen-Evolution Electrocatalyst.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,54(49),14723-14727. |
| MLA | Ma, Ruguang,et al."Ultrafine Molybdenum Carbide Nanoparticles Composited with Carbon as a Highly Active Hydrogen-Evolution Electrocatalyst".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 54.49(2015):14723-14727. |
入库方式： OAI收割
来源：上海硅酸盐研究所
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