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MOF-derived Co(Ni)Ox species loading on two-dimensional cobalt phosphide: A Janus electrocatalyst toward efficient and stable overall water splitting

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成果类型:
期刊论文
作者:
Zhang, Tian;Ren, Xiaohui*;Jiang, Xingxin;Wen, Ying;He, Wenping;...
通讯作者:
Ren, Xiaohui;Ni, HW
作者机构:
[Ren, Xiaohui; Zhang, Hua; Ni, Hongwei; Zhang, Tian; He, Wenping; Wen, Ying; Jiang, Xingxin] Wuhan Univ Sci & Technol, Fac Mat, State Key Lab Refractories & Met, Wuhan 430081, Peoples R China.
[Chen, Rongsheng] Wuhan Univ Sci & Technol, Sch Chem Engn & Technol, Wuhan 430081, Hubei, Peoples R China.
[Hao, Long] Qingdao Agr Univ, Coll Chem & Pharmaceut Sci, 700 Changcheng Rd, Qingdao 266109, Shandong, Peoples R China.
[Zeng, Chao] Jiangxi Normal Univ, Coll Chem & Chem Engn, Minist Educ, Inst Adv Mat,Key Lab Fluorine & Silicon Energy Mat, Nanchang 330224, Peoples R China.
[Liu, Huating] Wuhan Polytech Univ, Sch Elect & Elect Engn, Wuhan 430023, Peoples R China.
通讯机构:
[Ren, XH; Ni, HW ] W
Wuhan Univ Sci & Technol, Fac Mat, State Key Lab Refractories & Met, Wuhan 430081, Peoples R China.
语种:
英文
关键词:
Cobalt phosphide;CoNi-MOF;Janus structure;Overall water splitting;Two-dimensional nanosheets
期刊:
Applied Materials Today
ISSN:
2352-9407
年:
2023
卷:
34
页码:
101912
基金类别:
This work was supported by National Natural Science Foundation of China [grant numbers U21A20317 , 22109121 , 22309141 ]; the fund from Key Laboratory of Hubei Province for Coal Conversion and New Carbon Materials [grant numbers Wuhan University of Science and Technology , WKDM202204 ]; and National Key Research and Development Program of China [grant numbers 2022YFB3207200 ]. The Numerical calculation is supported by High-Performance Computing Center of Wuhan University of Science and Technology. The authors would like to thank the Analysis & Testing Center Wuhan University of Science and Technology help on XPS analysis.
机构署名:
本校为其他机构
院系归属:
电气与电子工程学院
摘要:
To achieve the requirement of "green chemistry'' in electrocatalysis, finely-adjusting the electronic structure of the electrocatalytic materials proves effective to highly expose surface active sites. In this study, Co(Ni)Ox species loaded on two-dimensional (2D) CoPx nanosheets are designed and fabricated as the Janus structure, and the optimized Co(Ni)Ox@CoPx-3 annealed at 600 °C with appropriate molar ratio (4:1 of Co(Ni)Ox:CoPx) achieved low overpotentials of 97 mV and 309 mV at 10 mA cm−2 for hydrogen and oxygen evolution reactions with...

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