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Author:

Li, Jiayuan (Li, Jiayuan.) | Li, Jing (Li, Jing.) | Zhou, Xuemei (Zhou, Xuemei.) | Xia, Zhaoming (Xia, Zhaoming.) | Gao, Wei (Gao, Wei.) | Ma, Yuanyuan (Ma, Yuanyuan.) | Qu, Yongquan (Qu, Yongquan.)

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SCIE PubMed EI Scopus

Abstract:

To search for the efficient non-noble metal based and/or earth abundant electrocatalysts for overall water-splitting is critical to promote the clean energy technologies for hydrogen economy. Herein, we report nickel phosphide 40 (NixPy) catalysts with the controllable phases as the efficient bifunctional catalysts for water electrolysis. The phases of NixPy were determined by the temperatures of the solid-phase reaction between the ultrathin Ni(OH)(2) plates and NaH2PO2 center dot H2O. The NixPy with the richest Ni5P4 phase synthesized at 325 degrees C (NixPy-325) delivered efficient and robust catalytic performance for hydrogen evolution reaction (HER) in the electrolytes with a wide pH range. The NixPy-325 catalysts also exhibited a remarkable performance for oxygen evolution reaction (OER) in a strong alkaline electrolyte (1.0 M KOH) due to the formation of surface NiOOH species. Furthermore, the bifunctional NixPy-325 catalysts enabled a highly performed overall water-splitting with similar to 100% Faradaic efficiency in 1.0 M KOH electrolyte, in which a low applied external potential of 1.57 V led to a stabilized catalytic current density of 10 mA/cm(2) over 60 h.

Keyword:

bifunctional catalysts electrocatalysis hydrogen evolution reaction nickel phosphide overall water-splitting

Author Community:

  • [ 1 ] [Li, Jiayuan; Li, Jing; Zhou, Xuemei; Xia, Zhaoming; Gao, Wei; Ma, Yuanyuan; Qu, Yongquan] Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 2 ] [Li, Jiayuan; Li, Jing; Zhou, Xuemei; Xia, Zhaoming; Gao, Wei; Ma, Yuanyuan; Qu, Yongquan] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 3 ] [Qu, Yongquan] Xi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China
  • [ 4 ] [Li, Jiayuan]Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 5 ] [Li, Jing]Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 6 ] [Zhou, Xuemei]Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 7 ] [Xia, Zhaoming]Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 8 ] [Gao, Wei]Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 9 ] [Ma, Yuanyuan]Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 10 ] [Qu, Yongquan]Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China
  • [ 11 ] [Li, Jiayuan]Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 12 ] [Li, Jing]Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 13 ] [Zhou, Xuemei]Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 14 ] [Xia, Zhaoming]Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 15 ] [Gao, Wei]Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 16 ] [Ma, Yuanyuan]Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 17 ] [Qu, Yongquan]Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
  • [ 18 ] [Qu, Yongquan]Xi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China

Reprint Author's Address:

  • Xi An Jiao Tong Univ, Frontier Inst Sci & Technol, Ctr Appl Chem Res, Xian 710049, Peoples R China.; Ma, YY; Qu, YQ (reprint author), Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China.; Qu, YQ (reprint author), Xi An Jiao Tong Univ, MOE Key Lab Nonequilibrium Synth & Modulat Conden, Xian 710049, Peoples R China.

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Source :

ACS APPLIED MATERIALS & INTERFACES

ISSN: 1944-8244

Year: 2016

Issue: 17

Volume: 8

Page: 10826-10834

7 . 5 0 4

JCR@2016

9 . 2 2 9

JCR@2020

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:239

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 165

SCOPUS Cited Count: 209

ESI Highly Cited Papers on the List: 6 Unfold All

  • 2018-1
  • 2017-11
  • 2017-9
  • 2017-7
  • 2017-5
  • 2017-3

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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