Significantly Stabilizing Hydrogen Evolution Reaction Induced by Nb-Doping Pt/Co(OH)2 Nanosheets

Yakun Tian; Ming Wen; Aijian Huang; Qingsheng Wu; Zhiguo Wang; Quanjing Zhu; Tao Zhou; Yongqing (Richard) Fu

doi:10.1002/smll.202207569

Significantly Stabilizing Hydrogen Evolution Reaction Induced by Nb-Doping Pt/Co(OH)2 Nanosheets

Yakun Tian, Ming Wen^*, Aijian Huang, Qingsheng Wu, Zhiguo Wang, Quanjing Zhu, Tao Zhou, Yongqing (Richard) Fu

^*Corresponding author for this work

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

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Abstract

High stability and efficiency of electrocatalysts are crucial for hydrogen evolution reaction (HER) toward water splitting in an alkaline media. Herein, a novel nano-Pt/Nb-doped Co(OH)2 (Pt/NbCo(OH)2) nanosheet is designed and synthesized using water-bath treatment and solvothermal reduction approaches. With nano-Pt uniformly anchored onto NbCo(OH)2 nanosheet, the synthesized Pt/NbCo(OH)2 shows outstanding electrocatalytic performances for alkaline HER, achieving a high stability for at least 33 h, a high mass activity of 0.65 mA µg−1 Pt, and a good catalytic activity with a low overpotential of 112 mV at 10 mA cm−2. Both experimental and theoretical results prove that Nb-doping significantly optimizes the hydrogen adsorption free energy to accelerate the Heyrovsky step for HER, and boosts the adsorption of H2O, which further enhances the water activation. This study provides a new design methodology for the Nb-doped electrocatalysts in an alkaline HER field by facile and green way.

Original language	English
Article number	2207569
Number of pages	11
Journal	Small
Volume	19
Issue number	20
Early online date	24 Feb 2023
DOIs	https://doi.org/10.1002/smll.202207569
Publication status	Published - 17 May 2023

UN SDGs

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

SDG 7 Affordable and Clean Energy

Keywords

Nb-doping Co(OH)2 nanosheets
Significantly stabilizing effect
Hydrogen evolution reaction
Electrocatalysis
Alkaline medium
Nb-doping Co(OH) nanosheets
alkaline medium
hydrogen evolution reaction
electrocatalysis
significantly stabilizing effect

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10.1002/smll.202207569

Final accepted manuscript Small 202207569_Accepted author manuscript, 1.33 MB

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title = "Significantly Stabilizing Hydrogen Evolution Reaction Induced by Nb-Doping Pt/Co(OH)2 Nanosheets",

abstract = "High stability and efficiency of electrocatalysts are crucial for hydrogen evolution reaction (HER) toward water splitting in an alkaline media. Herein, a novel nano-Pt/Nb-doped Co(OH)2 (Pt/NbCo(OH)2) nanosheet is designed and synthesized using water-bath treatment and solvothermal reduction approaches. With nano-Pt uniformly anchored onto NbCo(OH)2 nanosheet, the synthesized Pt/NbCo(OH)2 shows outstanding electrocatalytic performances for alkaline HER, achieving a high stability for at least 33 h, a high mass activity of 0.65 mA µg−1 Pt, and a good catalytic activity with a low overpotential of 112 mV at 10 mA cm−2. Both experimental and theoretical results prove that Nb-doping significantly optimizes the hydrogen adsorption free energy to accelerate the Heyrovsky step for HER, and boosts the adsorption of H2O, which further enhances the water activation. This study provides a new design methodology for the Nb-doped electrocatalysts in an alkaline HER field by facile and green way.",

keywords = "Nb-doping Co(OH)2 nanosheets, Significantly stabilizing effect, Hydrogen evolution reaction, Electrocatalysis, Alkaline medium, Nb-doping Co(OH) nanosheets, alkaline medium, hydrogen evolution reaction, electrocatalysis, significantly stabilizing effect",

author = "Yakun Tian and Ming Wen and Aijian Huang and Qingsheng Wu and Zhiguo Wang and Quanjing Zhu and Tao Zhou and Fu, \{Yongqing (Richard)\}",

note = "Funding information: This work was financially supported by the National Natural Science Foundation (NSFC No: 22171212), the Science and Technology Committee of Shanghai Municipality (21160710300, 19DZ2271500, 2022-4-YB-1, and 2022-4-YB-12) by China, the International Exchange Grant (IEC/NSFC/201078) through Royal Society UK and NSFC.",

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doi = "10.1002/smll.202207569",

language = "English",

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issn = "1613-6810",

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T1 - Significantly Stabilizing Hydrogen Evolution Reaction Induced by Nb-Doping Pt/Co(OH)2 Nanosheets

AU - Tian, Yakun

AU - Wen, Ming

AU - Huang, Aijian

AU - Wu, Qingsheng

AU - Wang, Zhiguo

AU - Zhu, Quanjing

AU - Zhou, Tao

AU - Fu, Yongqing (Richard)

N1 - Funding information: This work was financially supported by the National Natural Science Foundation (NSFC No: 22171212), the Science and Technology Committee of Shanghai Municipality (21160710300, 19DZ2271500, 2022-4-YB-1, and 2022-4-YB-12) by China, the International Exchange Grant (IEC/NSFC/201078) through Royal Society UK and NSFC.

PY - 2023/5/17

Y1 - 2023/5/17

N2 - High stability and efficiency of electrocatalysts are crucial for hydrogen evolution reaction (HER) toward water splitting in an alkaline media. Herein, a novel nano-Pt/Nb-doped Co(OH)2 (Pt/NbCo(OH)2) nanosheet is designed and synthesized using water-bath treatment and solvothermal reduction approaches. With nano-Pt uniformly anchored onto NbCo(OH)2 nanosheet, the synthesized Pt/NbCo(OH)2 shows outstanding electrocatalytic performances for alkaline HER, achieving a high stability for at least 33 h, a high mass activity of 0.65 mA µg−1 Pt, and a good catalytic activity with a low overpotential of 112 mV at 10 mA cm−2. Both experimental and theoretical results prove that Nb-doping significantly optimizes the hydrogen adsorption free energy to accelerate the Heyrovsky step for HER, and boosts the adsorption of H2O, which further enhances the water activation. This study provides a new design methodology for the Nb-doped electrocatalysts in an alkaline HER field by facile and green way.

AB - High stability and efficiency of electrocatalysts are crucial for hydrogen evolution reaction (HER) toward water splitting in an alkaline media. Herein, a novel nano-Pt/Nb-doped Co(OH)2 (Pt/NbCo(OH)2) nanosheet is designed and synthesized using water-bath treatment and solvothermal reduction approaches. With nano-Pt uniformly anchored onto NbCo(OH)2 nanosheet, the synthesized Pt/NbCo(OH)2 shows outstanding electrocatalytic performances for alkaline HER, achieving a high stability for at least 33 h, a high mass activity of 0.65 mA µg−1 Pt, and a good catalytic activity with a low overpotential of 112 mV at 10 mA cm−2. Both experimental and theoretical results prove that Nb-doping significantly optimizes the hydrogen adsorption free energy to accelerate the Heyrovsky step for HER, and boosts the adsorption of H2O, which further enhances the water activation. This study provides a new design methodology for the Nb-doped electrocatalysts in an alkaline HER field by facile and green way.

KW - Nb-doping Co(OH)2 nanosheets

KW - Significantly stabilizing effect

KW - Hydrogen evolution reaction

KW - Electrocatalysis

KW - Alkaline medium

KW - Nb-doping Co(OH) nanosheets

KW - alkaline medium

KW - hydrogen evolution reaction

KW - electrocatalysis

KW - significantly stabilizing effect

UR - https://www.scopus.com/pages/publications/85148720483

U2 - 10.1002/smll.202207569

DO - 10.1002/smll.202207569

M3 - Article

SN - 1613-6810

VL - 19

JO - Small

JF - Small

IS - 20

M1 - 2207569

ER -

Significantly Stabilizing Hydrogen Evolution Reaction Induced by Nb-Doping Pt/Co(OH)2 Nanosheets

Abstract

UN SDGs

Keywords

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