Design of Ni/NiO-TiO2/rGO nanocomposites on carbon cloth conductors via PECVD for electrocatalytic water splitting

被引：46

作者：

El-Maghrabi, Heba H. ^{[1
,2
]}

Nada, Amr A. ^{[2
,3
]}

Roualdes, Stephanie ^{[2
]}

Bekheet, Maged F. ^{[4
]}

机构：

[1] Egyptian Petr Res Inst, Dept Refining, Nasr City 11727, Egypt

[2] Univ Montpellier, ENSCM, CNRS, Inst Europeen Membranes,IEM UMR 5635, Montpellier, France

[3] Egyptian Petr Res Inst, Dept Anal & Evaluat, Nasr City 11727, Egypt

[4] Tech Univ Berlin, Inst Werkstoffwissensch & Technol, Fachgebiet Keram Werkstoffe Chair Adv Ceram Mat, Hardenbergstr 40, D-10623 Berlin, Germany

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2020年 / 45卷 / 56期

关键词：

Water splitting; HER; OER; Ni/NiO/TiO2; Reduced graphene oxide; PECVD; HYDROGEN EVOLUTION REACTION; CHEMICAL-VAPOR-DEPOSITION; REDUCED GRAPHENE OXIDE; HIGH-PERFORMANCE; HYDROTHERMAL SYNTHESIS; TIO2; NANOPARTICLES; NI; OXYGEN; EFFICIENT; CONVERSION;

D O I：

10.1016/j.ijhydene.2020.08.259

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The facile synthesis and design of noble metal-free efficient catalysts to accelerate the sluggish kinetics of the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is still a big challenge for electrolytic water splitting. In that context, the preparation of efficient catalysts with superior catalytic activity from cheap raw materials on a large scale is crucial. Briefly, Ni/NiO/TiO2/rGO is designed using the environmental-friendly and easily up-scalable PECVD technique. This trinary composite presents significance in regulating the crystalline structure, composition and electronic properties towards superior HER and OER activity in acidic solution as bifunctional electrocatalysts for efficient water splitting. Together with the promising long-term stability and durability, Ni/NiO/TiO2/rGO displays excellent electrocatalytic activity towards HER with eta(10) of 130 my vs RHE and a Tafel slope of 40 mV/dec. (C) 2020 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：32000 / 32011

页数：12

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