State Key Laboratory of Materials-Oriented Chemical Engineering; College of Chemical Engineering; Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM); Nanjing Tech University (NanjingTech); No. 5 Xin Mofan Road Nanjing 210009 P.R. China
School of Chemical Engineering; The University of Queensland; St. Lucia Queensland 4072 Australia
Department of Chemical Engineering; Curtin University; Perth Western Australia 6845 Australia
Center for Innovative Fuel Cell and Battery Technologies; School of Materials Science and Engineering; Georgia Institute of Technology; Atlanta GA 30332-0245 USA
State Key Laboratory of Materials-Oriented Chemical Engineering; College of Energy; Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM); Nanjing Tech University (NanjingTech); No. 5 Xin Mofan Road Nanjing 210009 P.R. China
Perovskite oxides are demonstrated for the first time as efficient electrocatalysts for the hydrogen evolution reaction (HER) in alkaline solutions. A‐site praseodymium‐doped Pr0.5(Ba0.5Sr0.5)0.5Co0.8Fe0.2O3–δ (Pr0.5BSCF) exhibits dramatically enhanced HER activity and stability compared to Ba0.5Sr0.5Co0.8Fe0.2O3–δ (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.
中文翻译：
钙钛矿型高效氢分解反应电催化剂
钙钛矿氧化物首次被证明是碱性溶液中氢释放反应（HER）的有效电催化剂。与Ba 0.5 Sr 0.5 Co 0.8 Fe 0.2 O 3– δ相比，掺有site的Pr 0.5（Ba 0.5 Sr 0.5）0.5 Co 0.8 Fe 0.2 O 3– δ（Pr0.5BSCF）表现出显着增强的HER活性和稳定性。（BSCF），优于许多发达的块状/纳米级非贵金属电催化剂。HER性能的提高源自Pr掺杂引起的修饰的表面电子结构和Pr0.5BSCF特性。
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