期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 47, 页码 14977-14981出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201708765
关键词
cobalt; electrocatalysis; electrode materials; manganese; mesoporous materials
资金
- National Natural Science Foundation of China [21471006, 21271009]
- Recruitment Program for Leading Talent Team of Anhui Province
- Program for Innovative Research Team of Anhui Education Committee
- Research Foundation for Science and Technology Leaders and Candidates of Anhui Province
- Academy of Finland [1295696]
A mesoporous MnCo2O4 electrode material is made for bifunctional oxygen electrocatalysis. The MnCo2O4 exhibits both Co3O4-like activity for oxygen evolution reaction (OER) and Mn2O3-like performance for oxygen reduction reaction (ORR). The potential difference between the ORR and OER of MnCo2O4 is as low as 0.83V. By XANES and XPS investigation, the notable activity results from the preferred Mn-IV- and Co-II-rich surface. The electrode material can be obtained on large-scale with the precise chemical control of the components at relatively low temperature. The surface state engineering may open a new avenue to optimize the electrocatalysis performance of electrode materials. The prominent bifunctional activity shows that MnCo2O4 could be used in metal-air batteries and/or other energy devices.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据