A Perovskite Electrocatalyst for Efficient Hydrogen Evolution Reaction

被引：487
作者：
Xu, Xiaomin [1 ]
Chen, Yubo [1 ]
Zhou, Wei [1 ]
Zhu, Zhonghua [2 ]
Su, Chao [3 ]
Liu, Meilin [4 ]
Shao, Zongping [3 ,5 ]
机构：
[1] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Coll Chem Engn, State Key Lab Mat Oriented Chem Engn, Nanjing 210009, Peoples R China
[2] Univ Queensland, Sch Chem Engn, St Lucia, Qld 4072, Australia
[3] Curtin Univ, Dept Chem Engn, Perth, WA 6845, Australia
[4] Georgia Inst Technol, Sch Mat Sci & Engn, Ctr Innovat Fuel Cell & Battery Technol, Atlanta, GA 30332 USA
[5] Nanjing Tech Univ NanjingTech, Jiangsu Natl Synerget Innovat Ctr Adv Mat SICAM, Coll Energy, State Key Lab Mat Oriented Chem Engn, 5 Xin Mofan Rd, Nanjing 210009, Peoples R China
来源：
ADVANCED MATERIALS | 2016年 / 28卷 / 30期
关键词：
SUPERIOR BIFUNCTIONAL ELECTROCATALYSTS; REDUCTION REACTION ACTIVITY; OXYGEN EVOLUTION; OXIDE CATALYSTS; WATER OXIDATION; NEXT-GENERATION; GRAPHENE FILMS; FUEL-CELLS; NANOPARTICLES; CARBON;
D O I：
10.1002/adma.201600005
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Perovskite oxides are demonstrated for the first time as efficient electrocatalysts for the hydrogen evolution reaction (HER) in alkaline solutions. A-site praseodymium-doped Pr-0.5(Ba0.5Sr0.5)(0.5)Co0.8Fe0.2O3-delta (Pr0.5BSCF) exhibits dramatically enhanced HER activity and stability compared to Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF), superior to many well-developed bulk/nanosized nonprecious electrocatalysts. The improved HER performance originates from the modified surface electronic structures and properties of Pr0.5BSCF induced by the Pr-doping.
引用
收藏
页码：6442 / +
页数：8
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