Engineering the Electronic State of a Perovskite Electrocatalyst for Synergistically Enhanced Oxygen Evolution Reaction

被引：252
作者：
Guo, Yuqiao [1 ,2 ]
Tong, Yun [1 ,2 ]
Chen, Pengzuo [1 ,2 ]
Xu, Kun [1 ,2 ]
Zhao, Jiyin [1 ,2 ]
Lin, Yue [1 ,2 ]
Chu, Wangsheng [3 ]
Peng, Zhenmeng [4 ]
Wu, Changzheng [1 ,2 ]
Xie, Yi [1 ,2 ]
机构：
[1] Univ Sci & Technol China, IChEM Collaborat Innovat Ctr Chem Energy Mat, Hefei Natl Lab Phys Sci Microscale, Hefei Sci Ctr CAS, Hefei 230026, Anhui, Peoples R China
[2] Univ Sci & Technol China, CAS Key Lab Mech Behav & Design Mat, Hefei 230026, Anhui, Peoples R China
[3] Univ Sci & Technol China, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China
[4] Univ Akron, Dept Chem & Biomol Engn, Akron, OH 44325 USA
来源：
ADVANCED MATERIALS | 2015年 / 27卷 / 39期
基金：
中国国家自然科学基金;
关键词：
calcium-manganese oxides; e(g) electron filling; electronic state transitions; oxygen evolution reactions; spin behaviors; OXIDATION-STATES; FE; NANOSHEETS; REDUCTION; MN; CAMNO3-DELTA; CATALYSTS; CHARGE;
D O I：
10.1002/adma.201502024
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A surface hydrogen effect to modulate the pure electronic-state transition in perovskite Ca0.9Yb0.1MnO3 synergistically generates a more suitable e(g) electron filling status and better conductivity. This achieves 100 times higher catalytic activity compared to that of a pristine sample.
引用
收藏
页码：5989 / 5994
页数：6
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