Mns-nanoparticles-decorated three-dimensional graphene hybrid as highly efficient bifunctional electrocatalyst for hydrogen evolution reaction and oxygen reduction reaction

Khalil Ur Rehman; Shaista Airam; Long Song; Jian Gao; Qiang Guo; Yukun Xiao; Zhipan Zhang

doi:10.3390/catal10101141

Mns-nanoparticles-decorated three-dimensional graphene hybrid as highly efficient bifunctional electrocatalyst for hydrogen evolution reaction and oxygen reduction reaction

Khalil Ur Rehman, Shaista Airam, Long Song, Jian Gao, Qiang Guo, Yukun Xiao, Zhipan Zhang^*

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

The search for renewable energy resources has attracted considerable research interests in electrochemical reactions of hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) that are essential for fuel cells. Earth-abundant, eco-friendly and cost-effective transition metal compounds are emerging candidates as electrocatalysts in these reactions. Herein, we report the growth of manganese sulfide nanoparticles on three-dimensional graphene, through an easy, progressive successive ionic layer adsorption and reaction (SILAR) method, where manganese sulfide nanoparticles (MnS-NPs), diameter of 4–5 nm are homogeneously decorated on the 3D graphene matrix. The formed hybrid shows improved HER activity in 0.1 M KOH when compared to bulk MnS. Moreover, MnS-NPs@3DG is also active in catalyzing ORR, qualifying it as a new type of bifunctional electrocatalyst in alkaline media.

Original language	English
Article number	1141
Pages (from-to)	1-13
Number of pages	13
Journal	Catalysts
Volume	10
Issue number	10
DOIs	https://doi.org/10.3390/catal10101141
Publication status	Published - Oct 2020

Keywords

3D graphene
Bifunctional electrocatalyst
Hydrogen evolution reaction
Manganese sulfide nanoparticles
Oxygen reduction reaction

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Mns-nanoparticles-decorated three-dimensional graphene hybrid as highly efficient bifunctional electrocatalyst for hydrogen evolution reaction and oxygen reduction reaction",

abstract = "The search for renewable energy resources has attracted considerable research interests in electrochemical reactions of hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) that are essential for fuel cells. Earth-abundant, eco-friendly and cost-effective transition metal compounds are emerging candidates as electrocatalysts in these reactions. Herein, we report the growth of manganese sulfide nanoparticles on three-dimensional graphene, through an easy, progressive successive ionic layer adsorption and reaction (SILAR) method, where manganese sulfide nanoparticles (MnS-NPs), diameter of 4–5 nm are homogeneously decorated on the 3D graphene matrix. The formed hybrid shows improved HER activity in 0.1 M KOH when compared to bulk MnS. Moreover, MnS-NPs@3DG is also active in catalyzing ORR, qualifying it as a new type of bifunctional electrocatalyst in alkaline media.",

keywords = "3D graphene, Bifunctional electrocatalyst, Hydrogen evolution reaction, Manganese sulfide nanoparticles, Oxygen reduction reaction",

author = "Rehman, {Khalil Ur} and Shaista Airam and Long Song and Jian Gao and Qiang Guo and Yukun Xiao and Zhipan Zhang",

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AU - Rehman, Khalil Ur

AU - Airam, Shaista

AU - Song, Long

AU - Gao, Jian

AU - Guo, Qiang

AU - Xiao, Yukun

AU - Zhang, Zhipan

PY - 2020/10

Y1 - 2020/10

N2 - The search for renewable energy resources has attracted considerable research interests in electrochemical reactions of hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) that are essential for fuel cells. Earth-abundant, eco-friendly and cost-effective transition metal compounds are emerging candidates as electrocatalysts in these reactions. Herein, we report the growth of manganese sulfide nanoparticles on three-dimensional graphene, through an easy, progressive successive ionic layer adsorption and reaction (SILAR) method, where manganese sulfide nanoparticles (MnS-NPs), diameter of 4–5 nm are homogeneously decorated on the 3D graphene matrix. The formed hybrid shows improved HER activity in 0.1 M KOH when compared to bulk MnS. Moreover, MnS-NPs@3DG is also active in catalyzing ORR, qualifying it as a new type of bifunctional electrocatalyst in alkaline media.

AB - The search for renewable energy resources has attracted considerable research interests in electrochemical reactions of hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) that are essential for fuel cells. Earth-abundant, eco-friendly and cost-effective transition metal compounds are emerging candidates as electrocatalysts in these reactions. Herein, we report the growth of manganese sulfide nanoparticles on three-dimensional graphene, through an easy, progressive successive ionic layer adsorption and reaction (SILAR) method, where manganese sulfide nanoparticles (MnS-NPs), diameter of 4–5 nm are homogeneously decorated on the 3D graphene matrix. The formed hybrid shows improved HER activity in 0.1 M KOH when compared to bulk MnS. Moreover, MnS-NPs@3DG is also active in catalyzing ORR, qualifying it as a new type of bifunctional electrocatalyst in alkaline media.

KW - 3D graphene

KW - Bifunctional electrocatalyst

KW - Hydrogen evolution reaction

KW - Manganese sulfide nanoparticles

KW - Oxygen reduction reaction

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ER -

Mns-nanoparticles-decorated three-dimensional graphene hybrid as highly efficient bifunctional electrocatalyst for hydrogen evolution reaction and oxygen reduction reaction

Abstract

Keywords

UN SDGs

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