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Author:

Sun, Chenxiang (Sun, Chenxiang.) | Wang, Tanlun (Wang, Tanlun.) | Sun, Chunwen (Sun, Chunwen.) | Li, Fan (Li, Fan.) (Scholars:李钒)

Indexed by:

EI Scopus SCIE

Abstract:

Developing novel oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) catalysts is vital for water splitting. Here, carbon black (CB) and nickel carbonyl powder (NCP) are used as components, and the nonionic surfactant polyvinyl pyrrolidone (PVP) is used as a shape-controlled capping agent to easily prepare layered double (Ni, Fe) hydroxide (NiFe-LDH) electrodes. Scanning electron microscopy observation and X-ray photoelectron spectra analysis show that the Fe2+ -doped layered double hydroxide is grown in situ on nickel foam (NF). CB (XC-72) and NCP further improve the electrical conductivity. At 10 mA.cm(-2), the overpotentials of the OER and HER are 203 mV and 83 mV, respectively, in 1 M KOH. Only 1.48 V is needed when both electrodes are applied for water splitting, and it has a stability of more than 100 h. This work can be used as a medium to elevate the OER and HER performance of NiFe-LDH-based catalysts. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

Keyword:

Self-repairing Hydrogen evolution reaction NiFe-LDH Water splitting Oxygen evolution reaction

Author Community:

  • [ 1 ] [Sun, Chenxiang]Beijing Univ Technol, Dept Environm & Chem Engn, Beijing Key Lab Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Tanlun]Beijing Univ Technol, Dept Environm & Chem Engn, Beijing Key Lab Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 3 ] [Li, Fan]Beijing Univ Technol, Dept Environm & Chem Engn, Beijing Key Lab Catalysis & Separat, Beijing 100124, Peoples R China
  • [ 4 ] [Sun, Chunwen]China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China

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Source :

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

ISSN: 0360-3199

Year: 2022

Issue: 45

Volume: 47

Page: 19609-19618

7 . 2

JCR@2022

7 . 2 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:49

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 24

SCOPUS Cited Count: 25

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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