文献类型：期刊文献

英文题名：Dynamically assisted electrodeposition by hydrogen bubbles on carbonized wood: A NiFeCo nanoflower electrocatalyst for efficient hydrogen evolution

作者：Qian, Yuanpeng[1,2] Hu, Mengliang[2] Li, Liping[2] Cao, Shuqi[1,2] Xu, Jingwen[2] Hong, Junxiong[1,2] Liu, Xuepeng[2] Xu, Jinmei[1,3] Guo, Chuigen[1,2]

第一作者：Qian, Yuanpeng

通信作者：Xu, JM[1];Guo, CG[1]

机构：[1]South China Agr Univ, Inst Biomass Engn, Guangzhou 510642, Peoples R China;[2]South China Agr Univ, Coll Mat & Energy, Key Lab Biobased Mat & Energy, Minist Educ, Guangzhou 510642, Peoples R China;[3]Chinese Acad Forestry, Res Inst Wood Ind, Beijing 100091, Peoples R China

年份：2024

卷号：361

外文期刊名：FUEL

收录：;EI(收录号：20235215287219);Scopus(收录号：2-s2.0-85180577004);WOS:【SCI-EXPANDED(收录号:WOS:001147393000001)】；

基金：This work was financially supported by the National Natural Science Foundation of China (32071694) ; Key Technologies for Advanced Manufacturing and Application of Wood Scrimber with High Performance (2021YFD2200601) ; Key Research Special Projects in Universities in Guangdong Province (2019KZDZX2002) ; Guangzhou Municipal Science and Technology Project (201905010005) and the Project of Key Disciplines of Forestry Engineering of Bureau of Guangzhou Municipality.

语种：英文

外文关键词：NiFeCo-electrodeposition; Hydrogen energy; Hydrogen evolution reaction; Electrocatalyst; Wood-derived carbon electrode

摘要：The development of cost-effective, simple, and highly active catalysts for electrochemical water splitting in alkaline electrolytes to produce renewable source H2 is critical to solve the environmental pollution and energy crisis. In this study, a series of nanoflower-like NiFeCo/CW catalytic electrodes were prepared by a facile onestep dynamic hydrogen bubble template (DHBT) method for electrodeposition on carbonized wood (CW), which have excellent HER performance. By reasonably investigating the effects of H+ concentration and time, a catalyst with ideal deposition results was obtained. In 1 M KOH solution, the prepared NiFeCo/CW-450 catalyst exhibits a small overpotential of 37 mV to achieve a current density of 10 mA cm-2, and still possess a satisfactory low overpotential when a larger current density is reached (1400 = 238 mV, 11000 = 298 mV). Furthermore, NiFeCo/CW can keep structure and catalytic performance stable after long-term test. The remarkable HER performance results from the unique nanoflower electrode structure that is uniformly dispersed on CW to fully expose the active site. As a result, this work will provide new inspiration and strategy for the preparation of novel simple, inexpensive and efficient electrocatalytic hydrogen evolution electrodes using earthabundant resources.