Rough-surfaced bimetallic copper-palladium alloy multicubes as highly bifunctional electrocatalysts for formic acid oxidation and oxygen reduction

doi:10.1016/j.gee.2018.09.002

	Rough-surfaced bimetallic copper-palladium alloy multicubes as highly bifunctional electrocatalysts for formic acid oxidation and oxygen reduction
	Chen, Dong 1,3; Xu, Linlin 3,4; Liu, Hui 1,3; Yang, Jun 1,2,3,4
刊名	GREEN ENERGY & ENVIRONMENT
	2019-07-01
卷号	4 期号:3 页码:254-263
关键词	Copper-palladium Multicube Formic acid oxidation Oxygen reduction CO2 reduction
ISSN号	2096-2797
DOI	10.1016/j.gee.2018.09.002
英文摘要	Engineering the morphology of nanomaterials and modifying their electronic structure are effective ways to improve their performance in electrocatalysis. Through combining the co-reduction of Pd2+ and Cu2+ precursors with a digestive ripening process in oleylamine, we report the synthesis of copper-palladium (Cu-Pd) alloy multicubes with rough surfaces. Benefiting from their alloy and unique rough-surfaced structure, which provides ample edge/corner and step atoms as well as the electronic coupling between Cu and Pd leading to the lower of d-band center, the rough-surfaced Cu-Pd alloy multicubes show much better electrocatalytic performance not only for formic acid oxidation but also for oxygen reduction in comparison with those of spherical Cu-Pd alloy nanoparticles and commercial Pd/C catalyst. In contrast, we confirm that the rough-surfaced Cu-Pd alloy multicubes only exhibit very low Faradaic efficiency (34.3%) for electrocatalytic conversion of carbon dioxide (CO2) to carbon monoxide (CO) due to the presence of strong competing hydrogen evolution reaction, which results in their very poor selectivity for the reduction of CO2 to CO. The findings in this study not only offer a promising strategy to produce highly effective electrocatalysts for direct formic acid fuel cells, but also enlighten the ideas to design efficient electrocatalysts for CO2 reduction. (C) 2018, Institute of Process Engineering, Chinese Academy of Sciences. Publishing services by Elsevier B.V.
资助项目	National Natural Science Foundation of China[21506225] ; National Natural Science Foundation of China[21573240] ; National Natural Science Foundation of China[21706265] ; Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences[COM2015A001] ; Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences[MPCS-2017-A-02]
WOS关键词	CORE-SHELL ; PD CATALYSTS ; NANOPARTICLES ; HOLLOW ; NANOCRYSTALS ; AU ; PERFORMANCE ; EVOLUTION ; SUPERIOR ; ETHANOL
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Energy & Fuels ; Engineering
语种	英语
出版者	KEAI PUBLISHING LTD
WOS记录号	WOS:000493350800005
资助机构	National Natural Science Foundation of China ; Center for Mesoscience, Institute of Process Engineering, Chinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.ipe.ac.cn/handle/122111/38905]
专题	中国科学院过程工程研究所
通讯作者	Yang, Jun
作者单位	1.Chinese Acad Sci, Ctr Mesosci, Inst Proc Engn, Beijing 100190, Peoples R China 2.Zhongke Langfang Inst Proc Engn, Fenghua Rd 1, Langfang 065001, Hebei, Peoples R China 3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 4.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Chen, Dong,Xu, Linlin,Liu, Hui,et al. Rough-surfaced bimetallic copper-palladium alloy multicubes as highly bifunctional electrocatalysts for formic acid oxidation and oxygen reduction[J]. GREEN ENERGY & ENVIRONMENT,2019,4(3):254-263.
APA	Chen, Dong,Xu, Linlin,Liu, Hui,&Yang, Jun.(2019).Rough-surfaced bimetallic copper-palladium alloy multicubes as highly bifunctional electrocatalysts for formic acid oxidation and oxygen reduction.GREEN ENERGY & ENVIRONMENT,4(3),254-263.
MLA	Chen, Dong,et al."Rough-surfaced bimetallic copper-palladium alloy multicubes as highly bifunctional electrocatalysts for formic acid oxidation and oxygen reduction".GREEN ENERGY & ENVIRONMENT 4.3(2019):254-263.