Boron Phosphide Nanoparticles A Nonmetal Catalyst for High-Selectivity Electrochemical Reduction of CO2 to CH3 OH

Boron Phosphide Nanoparticles : A Nonmetal Catalyst for High-Selectivity Electrochemical Reduction of CO2 to CH3 OH

© 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Détails bibliographiques
Publié dans:Advanced materials (Deerfield Beach, Fla.). - 1998. - 31(2019), 36 vom: 11. Sept., Seite e1903499
Auteur principal: Mou, Shiyong (Auteur)
Autres auteurs: Wu, Tongwei, Xie, Junfeng, Zhang, Ya, Ji, Lei, Huang, Hong, Wang, Ting, Luo, Yonglan, Xiong, Xiaoli, Tang, Bo, Sun, Xuping
Format: Article en ligne
Langue:English
Publié: 2019
Accès à la collection:Advanced materials (Deerfield Beach, Fla.)
Sujets:Journal Article CH3OH CO2 reduction reaction boron phosphide density functional theory metal free
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520 |a Electrocatalysis has emerged as an attractive way for artificial CO2 fixation to CH3 OH, but the design and development of metal-free electrocatalyst for highly selective CH3 OH formation still remains a key challenge. Here, it is demonstrated that boron phosphide nanoparticles perform highly efficiently as a nonmetal electrocatalyst toward electrochemical reduction of CO2 to CH3 OH with high selectivity. In 0.1 m KHCO3 , this catalyst achieves a high Faradaic efficiency of 92.0% for CH3 OH at -0.5 V versus reversible hydrogen electrode. Density functional theory calculations reveal that B and P synergistically promote the binding and activation of CO2 , and the rate-determining step for the CO2 reduction reaction is dominated by *CO + *OH to *CO + *H2 O process with free energy change of 1.36 eV. In addition, CO and CH2 O products are difficultly generated on BP (111) surface, which is responsible for the high activity and selectivity of the CO2 -to-CH3 OH conversion process 
650 4 |a Journal Article 
650 4 |a CH3OH 
650 4 |a CO2 reduction reaction 
650 4 |a boron phosphide 
650 4 |a density functional theory 
650 4 |a metal free 
700 1 |a Wu, Tongwei  |e verfasserin  |4 aut 
700 1 |a Xie, Junfeng  |e verfasserin  |4 aut 
700 1 |a Zhang, Ya  |e verfasserin  |4 aut 
700 1 |a Ji, Lei  |e verfasserin  |4 aut 
700 1 |a Huang, Hong  |e verfasserin  |4 aut 
700 1 |a Wang, Ting  |e verfasserin  |4 aut 
700 1 |a Luo, Yonglan  |e verfasserin  |4 aut 
700 1 |a Xiong, Xiaoli  |e verfasserin  |4 aut 
700 1 |a Tang, Bo  |e verfasserin  |4 aut 
700 1 |a Sun, Xuping  |e verfasserin  |4 aut 
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773 1 8 |g volume:31  |g year:2019  |g number:36  |g day:11  |g month:09  |g pages:e1903499 
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