Synergism induced exceptional capacity and complete reversibility in Mg-Y thin films: enabling next generation metal hydride electrodes
文献类型：期刊论文
| 作者 | Fu, Kai1,2; Chen, Jun1; Xiao, Rui1; Zheng, Jie1; Tian, Wenhuai2; Li, Xingguo1 |
| 刊名 | ENERGY & ENVIRONMENTAL SCIENCE
 |
| 出版日期 | 2018-06-01 |
| 卷号 | 11期号:6页码:1563-1570 |
| ISSN号 | 1754-5692 |
| DOI | 10.1039/c7ee03628k |
| 英文摘要 | Much of the current research into metal hydride (MH) electrodes follows the principle that the materials should be composed of hydrogen-absorbing elements (A) and non-hydrogen-absorbing elements (B). This classical design principle, however, severely limits the potential capacities of the MH electrodes (typically <400 mA h g(-1)). Herein, we demonstrate a fundamentally new strategy to design high capacity MH electrodes without using B elements by inducing synergism in the dehydrogenation process. Mg24Y5 thin films, which are composed of two strong hydrogen-absorbing elements, achieve an exceptional electrochemical hydrogen storage capacity of approximate to 1500 mA h g(-1) (5.6 wt%). All the absorbed hydrogen, including extremely stable H in YH2, can be reversibly desorbed through thermodynamic synergism. The present study provides enlightening insights to design high capacity MH electrodes and therefore enables the revival of Ni-MH batteries, and the emergence of next generation MH-air batteries. |
| 语种 | 英语 |
| WOS记录号 | WOS:000435351000018 |
| 出版者 | ROYAL SOC CHEMISTRY |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/42621]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Tian, Wenhuai; Li, Xingguo |
| 作者单位 | 1.Peking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China 2.Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R China |
| 推荐引用方式 GB/T 7714 | Fu, Kai,Chen, Jun,Xiao, Rui,et al. Synergism induced exceptional capacity and complete reversibility in Mg-Y thin films: enabling next generation metal hydride electrodes[J]. ENERGY & ENVIRONMENTAL SCIENCE,2018,11(6):1563-1570. |
| APA | Fu, Kai,Chen, Jun,Xiao, Rui,Zheng, Jie,Tian, Wenhuai,&Li, Xingguo.(2018).Synergism induced exceptional capacity and complete reversibility in Mg-Y thin films: enabling next generation metal hydride electrodes.ENERGY & ENVIRONMENTAL SCIENCE,11(6),1563-1570. |
| MLA | Fu, Kai,et al."Synergism induced exceptional capacity and complete reversibility in Mg-Y thin films: enabling next generation metal hydride electrodes".ENERGY & ENVIRONMENTAL SCIENCE 11.6(2018):1563-1570. |
入库方式： OAI收割
来源：化学研究所
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