Metal Nickel Foam as an Efficient and Stable Electrode for Hydrogen Evolution Reaction in Acidic Electrolyte under Reasonable Overpotentials

Jia Lu; Tanli Xiong; Weijia Zhou; Linjing Yang; Zhenghua Tang; Shaowei Chen

doi:10.1021/acsami.6b00233

Metal Nickel Foam as an Efficient and Stable Electrode for Hydrogen Evolution Reaction in Acidic Electrolyte under Reasonable Overpotentials

ACS Appl Mater Interfaces. 2016 Mar 2;8(8):5065-9. doi: 10.1021/acsami.6b00233. Epub 2016 Feb 19.

Authors

Jia Lu¹, Tanli Xiong¹, Weijia Zhou¹, Linjing Yang¹, Zhenghua Tang¹, Shaowei Chen^{1

2}

Affiliations

¹ New Energy Research Institute, School of Environment and Energy, South China University of Technology, Guangzhou Higher Education Mega Center , Guangzhou, Guangdong 510006, China.
² Department of Chemistry and Biochemistry, University of California , 1156 High Street, Santa Cruz, California 95064, United States.

PMID: 26886556
DOI: 10.1021/acsami.6b00233

Abstract

Acidic electrolytes are advantageous for water electrolysis in the production of hydrogen as there is a large supply of H(+) ions in the solution. In this study, with the applied overpotential larger than the equilibrium potential of Ni(0)/Ni(2+), Ni foam as HER electrode exhibits excellent and stable HER activity with an onset potential of -84 mV (vs RHE), a high current density of 10 mA cm(-2) at -210 mV (vs RHE), and prominent electrochemical durability (longer than 5 days) in acidic electrolyte. The results presented herein may has potential large-scale application in hydrogen energy production.

Keywords: acidic electrolyte; equilibrium potential; hydrogen evolution reaction; nickel foam; stable electrocatalyst.

Publication types

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