期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 645, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2022.128953
关键词
Mo-Co-Fe; NC; Oxygen evolution reaction; Hydrogen evolution reaction; Reaction kinetics
资金
- National Natural Science Foundation of China, China [51701001, 61804039, 51802145]
- Academic fund-ing projects for Top Talents in Subjects (Majors) of Universities, China [1808085QE126]
- Academic funding projects for Top Talents in Subjects (Majors) of Universities, China [1808085QE126]
- Natural Science Foundation of Anhui Province, China [gxbjZD31]
- Universities Joint Key Laboratory of Photoelectric Detection Science and Technology in Anhui Province, China [1808085QE126]
- Provincial Quality Engineering Project of Colleges and Universities in Anhui Province China [2020GDTCZD01]
- Collaborative innovation project of colleges and universities in Anhui Province, China [2020jxtd210]
- [GXXT-2021-091]
Multicomponent metal/N-doped porous carbon materials have high efficiency in oxygen evolution and hydrogen evolution reactions, and have broad application prospects in the field of energy storage and conversion.
Multicomponent metal/N-doped porous carbon with controllable structure is considered to be a promising candidates for efficient oxygen evolution and hydrogen evolution reaction. Herein, Mo-Co-Fe-MOF was preapred by a simple hydrothermal method, followed by high-temperature pyrolysis treatment to obtain the Mo-Co-Fe/ NC. Benefit from the advantages of hierarchical structure and multicomponent, the Mo-Co-Fe-1.0/NC shows an overpotential of 257 and 320 mV to achieve the current density of 10 and 100 mA cm-2 for OER in alkaline KOH solution, respectively. In addition, the Mo-Co-Fe-1.0/NC exhibits the accelerated reaction kinetics during HER and OER reactions. The results provide a new perspective for design and preparation as well as kinetic characteristics of efficient OER and HER catalysts, which is expected to be used in the field of energy storage and conversion.
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