Pt NPs-loaded siloxene nanosheets for hydrogen co-evolutions from Zn-H2O fuel cells-powered water-splitting

Chang Chen; Han Tian; Zhengqian Fu; Xiangzhi Cui; Fantao Kong; Ge Meng; Yafeng Chen; Fenggang Qi; Ziwei Chang; Libo Zhu; Haitao Huang; Bao Yu Xia; Jianlin Shi

doi:10.1016/j.apcatb.2021.121008

Pt NPs-loaded siloxene nanosheets for hydrogen co-evolutions from Zn-H₂O fuel cells-powered water-splitting

Chang Chen
, Han Tian
, Zhengqian Fu
, Xiangzhi Cui^*
, Fantao Kong
, Ge Meng
, Yafeng Chen
, Fenggang Qi
, Ziwei Chang
, Libo Zhu
, Haitao Huang
, Bao Yu Xia
, Jianlin Shi

^*Corresponding author for this work

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

46 Scopus citations

Abstract

Siloxene features abundant functional groups and oxygen vacancies, which facilitates the ultrafine platinum nanoparticles loading for catalyzing hydrogen evolution reaction (HER). Herein, a siloxene-p-Pt-2 h composite has been fabricated with an ultralow platinum loading on siloxene (0.56 wt%), which shows greatly enhanced HER activity featuring an ultralow overpotential (η₁₀ = 23 mV). Attractively, the siloxene-p-Pt-2 h has been applied as a HER catalyst in a Zn-H₂O fuel cell, demonstrating a high power density of 157 mW cm⁻² in coupling with the cathode hydrogen evolution. Moreover, a coupled configuration between two Zn-H₂O fuel cells in series and the cell-powered hydroxide electrolyzer achieves the efficient hydrogen co-productions co-catalyzed by the HER catalysts. The excellent HER performance is attributed to the hydrophilic character and the optimal Gibbs free energy via the strong interaction between the siloxene and platinum nanoparticles. This work provides a novel design of self-powered co-productions of hydrogen.

Original language	English
Article number	121008
Journal	Applied Catalysis B: Environmental
Volume	304
DOIs	https://doi.org/10.1016/j.apcatb.2021.121008
State	Published - May 2022
Externally published	Yes

Keywords

Co-productions
Electronic interaction
Hydrophilicity
Siloxene
Zn-HO cell

UN SDGs

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

Access to Document

10.1016/j.apcatb.2021.121008

Cite this

@article{f007afa62ec0470ab2cf958d18c4ad89,

title = "Pt NPs-loaded siloxene nanosheets for hydrogen co-evolutions from Zn-H2O fuel cells-powered water-splitting",

abstract = "Siloxene features abundant functional groups and oxygen vacancies, which facilitates the ultrafine platinum nanoparticles loading for catalyzing hydrogen evolution reaction (HER). Herein, a siloxene-p-Pt-2 h composite has been fabricated with an ultralow platinum loading on siloxene (0.56 wt\%), which shows greatly enhanced HER activity featuring an ultralow overpotential (η10 = 23 mV). Attractively, the siloxene-p-Pt-2 h has been applied as a HER catalyst in a Zn-H2O fuel cell, demonstrating a high power density of 157 mW cm−2 in coupling with the cathode hydrogen evolution. Moreover, a coupled configuration between two Zn-H2O fuel cells in series and the cell-powered hydroxide electrolyzer achieves the efficient hydrogen co-productions co-catalyzed by the HER catalysts. The excellent HER performance is attributed to the hydrophilic character and the optimal Gibbs free energy via the strong interaction between the siloxene and platinum nanoparticles. This work provides a novel design of self-powered co-productions of hydrogen.",

keywords = "Co-productions, Electronic interaction, Hydrophilicity, Siloxene, Zn-HO cell",

author = "Chang Chen and Han Tian and Zhengqian Fu and Xiangzhi Cui and Fantao Kong and Ge Meng and Yafeng Chen and Fenggang Qi and Ziwei Chang and Libo Zhu and Haitao Huang and Xia, \{Bao Yu\} and Jianlin Shi",

note = "Publisher Copyright: {\textcopyright} 2021",

year = "2022",

month = may,

doi = "10.1016/j.apcatb.2021.121008",

language = "英语",

volume = "304",

journal = "Applied Catalysis B: Environmental",

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T1 - Pt NPs-loaded siloxene nanosheets for hydrogen co-evolutions from Zn-H2O fuel cells-powered water-splitting

AU - Chen, Chang

AU - Tian, Han

AU - Fu, Zhengqian

AU - Cui, Xiangzhi

AU - Kong, Fantao

AU - Meng, Ge

AU - Chen, Yafeng

AU - Qi, Fenggang

AU - Chang, Ziwei

AU - Zhu, Libo

AU - Huang, Haitao

AU - Xia, Bao Yu

AU - Shi, Jianlin

PY - 2022/5

Y1 - 2022/5

N2 - Siloxene features abundant functional groups and oxygen vacancies, which facilitates the ultrafine platinum nanoparticles loading for catalyzing hydrogen evolution reaction (HER). Herein, a siloxene-p-Pt-2 h composite has been fabricated with an ultralow platinum loading on siloxene (0.56 wt%), which shows greatly enhanced HER activity featuring an ultralow overpotential (η10 = 23 mV). Attractively, the siloxene-p-Pt-2 h has been applied as a HER catalyst in a Zn-H2O fuel cell, demonstrating a high power density of 157 mW cm−2 in coupling with the cathode hydrogen evolution. Moreover, a coupled configuration between two Zn-H2O fuel cells in series and the cell-powered hydroxide electrolyzer achieves the efficient hydrogen co-productions co-catalyzed by the HER catalysts. The excellent HER performance is attributed to the hydrophilic character and the optimal Gibbs free energy via the strong interaction between the siloxene and platinum nanoparticles. This work provides a novel design of self-powered co-productions of hydrogen.

AB - Siloxene features abundant functional groups and oxygen vacancies, which facilitates the ultrafine platinum nanoparticles loading for catalyzing hydrogen evolution reaction (HER). Herein, a siloxene-p-Pt-2 h composite has been fabricated with an ultralow platinum loading on siloxene (0.56 wt%), which shows greatly enhanced HER activity featuring an ultralow overpotential (η10 = 23 mV). Attractively, the siloxene-p-Pt-2 h has been applied as a HER catalyst in a Zn-H2O fuel cell, demonstrating a high power density of 157 mW cm−2 in coupling with the cathode hydrogen evolution. Moreover, a coupled configuration between two Zn-H2O fuel cells in series and the cell-powered hydroxide electrolyzer achieves the efficient hydrogen co-productions co-catalyzed by the HER catalysts. The excellent HER performance is attributed to the hydrophilic character and the optimal Gibbs free energy via the strong interaction between the siloxene and platinum nanoparticles. This work provides a novel design of self-powered co-productions of hydrogen.

KW - Co-productions

KW - Electronic interaction

KW - Hydrophilicity

KW - Siloxene

KW - Zn-HO cell

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DO - 10.1016/j.apcatb.2021.121008

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