Porous amorphous NiFeOx/NiFeP framework with dual electrocatalytic functions for water electrolysis

Fei Hu, Yan Zhang, Xiaochen Shen, Jingying Tao, Xiaowei Yang, Yujie Xiong, Zhenmeng Peng

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

An efficient bulk electrocatalyst is appealing to advance the efficiency of water electrolysis. In this study, we report a function-integrated bulk NiFeOx@NiFeP catalyst that exhibits excellent electrocatalytic activity and stability properties. This new catalyst possesses multiple advantages including three-dimensional (3D) nanoporous framework structure, excellent macro-conductivity, and unique Mott-Schottky architecture, which offers stereochemical and energetic flexibility to interact with reactants with multiple functions including large surface area, fast mass and charge transfers, and favorable catalysis kinetics. The bulk NiFeOx@NiFeP can serve simultaneously as catalyst and current collector, and catalyze both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER), as demonstrated with active and durable overall water splitting performances.

Original languageEnglish
Pages (from-to)76-81
Number of pages6
JournalJournal of Power Sources
Volume428
DOIs
Publication statusPublished - 2019 Jul 15

Keywords

  • 3D nanoporous framework
  • Dual function
  • Macro-conductivity
  • Mott-Schottky structure
  • Water splitting electrocatalyst

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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