Hierarchical iron-doped CoP heterostructures self-assembled on copper foam as a bifunctional electrocatalyst for efficient overall water splitting
Huang, Xiaokang1; Gong, Li1; Xu, Hui2; Qin, Jiaheng1; Ma, Ping1; Yang, Ming1; Wang, Kaizhi1; Ma, Lei1; Mu, Xiao1; Li, Rong1
2020-06
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume569Pages:140-149
AbstractA bifunctional electrocatalyst with peculiarly hierarchical snowflake-like iron-doped CoP heterostructures self-assembled on copper foam (CoFeP/CF) was synthesized via a facile hydrothermal-phosphidation pathway. The excellent electrochemical performance of CoFeP/CF can be attributed to the synergistic effect of cobalt and iron atoms, tuneful interaction between metal atoms and phosphorus, and the large electrochemical active surface area origined from its peculiarly hierarchical snowflake-like heterostructures with high surface roughness. With the small Tafel slope values (of 73.0 mV dec(-1) for OER and 90.4 mV dec(-1) for HER), CoFeP/CF demands the diminutive overpotentials (of 277.9 mV for OER and 152.6 mV for HER) to desire the current density of 50 mA cm(-2) in alkaline electrolyte. Furthermore, CoFeP/CF exhibits outstanding electrochemical performance for the overall water splitting with the cell potential of 1.495 V to attain 10 mA cm(-2) in a two-electrode cell. (C) 2020 Elsevier Inc. All rights reserved.
KeywordBifunctional electrocatalyst CoFe phosphides Copper foam Hierarchical snowflake-like structures Overall water splitting
DOI10.1016/j.jcis.2020.02.073
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000525892600013
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/76295
Collection石油化工学院
Corresponding AuthorLi, Rong
Affiliation1.Lanzhou Univ, Coll Chem & Chem Engn, SKLAOC, Key Lab Catalyt Engn Gansu Prov, Lanzhou 730000, Gansu, Peoples R China
2.Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Huang, Xiaokang,Gong, Li,Xu, Hui,et al. Hierarchical iron-doped CoP heterostructures self-assembled on copper foam as a bifunctional electrocatalyst for efficient overall water splitting[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2020,569:140-149.
APA Huang, Xiaokang.,Gong, Li.,Xu, Hui.,Qin, Jiaheng.,Ma, Ping.,...&Li, Rong.(2020).Hierarchical iron-doped CoP heterostructures self-assembled on copper foam as a bifunctional electrocatalyst for efficient overall water splitting.JOURNAL OF COLLOID AND INTERFACE SCIENCE,569,140-149.
MLA Huang, Xiaokang,et al."Hierarchical iron-doped CoP heterostructures self-assembled on copper foam as a bifunctional electrocatalyst for efficient overall water splitting".JOURNAL OF COLLOID AND INTERFACE SCIENCE 569(2020):140-149.
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