Phase and Interface Engineering of Platinum-Nickel Nanowires for Efficient Electrochemical Hydrogen Evolution

Pengtang Wang; Kezhu Jiang; Gongming Wang; Jianlin Yao; Xiaoqing Huang

doi:10.1002/anie.201606290

Phase and Interface Engineering of Platinum-Nickel Nanowires for Efficient Electrochemical Hydrogen Evolution

Angew Chem Int Ed Engl. 2016 Oct 4;55(41):12859-63. doi: 10.1002/anie.201606290. Epub 2016 Sep 15.

Authors

Pengtang Wang¹, Kezhu Jiang¹, Gongming Wang², Jianlin Yao¹, Xiaoqing Huang³

Affiliations

¹ College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu, 215123, China.
² Department of Chemistry, School of Chemistry and Material Science, University of Science and Technology of China, Hefei, Anhui, 230026, China.
³ College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu, 215123, China. hxq006@suda.edu.cn.

PMID: 27629828
DOI: 10.1002/anie.201606290

Abstract

The design of high-performance electrocatalysts for the alkaline hydrogen evolution reaction (HER) is highly desirable for the development of alkaline water electrolysis. Phase- and interface-engineered platinum-nickel nanowires (Pt-Ni NWs) are highly efficient electrocatalysts for alkaline HER. The phase and interface engineering is achieved by simply annealing the pristine Pt-Ni NWs under a controlled atmosphere. Impressively, the newly generated nanomaterials exhibit superior activity for the alkaline HER, outperforming the pristine Pt-Ni NWs and commercial Pt/C, and also represent the best alkaline HER catalysts to date. The enhanced HER activities are attributed to the superior phase and interface structures in the engineered Pt-Ni NWs.

Keywords: hydrogen evolution reaction; nanowires; nickel; phase and interface control; platinum.

Publication types

Research Support, Non-U.S. Gov't