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Synthesis of Co2P nanoparticles decorated nitrogen, phosphorus Co-doped Carbon-CeO2 composites for highly efficient oxygen reduction
Wang, Xiaoqing; Xu, Jijian; Zhi, Mingjia; Hong, Zhanglian; Huang, Fuqiang
2019-09-15
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume801Pages:192
SubtypeArticle
AbstractThe oxygen reduction reaction is an important cathode reaction, thus seeking for low cost and high activity catalysts is highly demanded. Herein, a ternary catalyst composed of Co2P nanoparticles, N and P co-doped carbon (NPC) and CeO2 nanosheets (Co2P-NPC-CeO2) is reported for efficient oxygen reduction. In such composite, CeO2 nanosheets are coated with a carbon layer derived from dopamine, and then decorated with Co2P nanoparticles by using phytic acid as the phosphorus source. High ORR catalytic activity was achieved in the optimized sample with a high onset potential of 880 mV (vs RHE), a positive half-wave potential of 827 mV (vs RHE), a diffusion limited current density of 5.24 mA cm(-2), and a good durability (the half-wave potential exhibited almost 0 mV after 1000 cycles). Together with the good durability and methanol tolerance, the composite catalyst demonstrated here can be potentially applied in energy conversion devices. (C) 2019 Elsevier B.V. All rights reserved.
KeywordORR CeO2 Co2P Nitrogen Phosphorus co-doped carbon
DOI10.1016/j.jallcom.2019.06.087
Language英语
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26834
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, Xiaoqing,Xu, Jijian,Zhi, Mingjia,et al. Synthesis of Co2P nanoparticles decorated nitrogen, phosphorus Co-doped Carbon-CeO2 composites for highly efficient oxygen reduction[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,801:192.
APA Wang, Xiaoqing,Xu, Jijian,Zhi, Mingjia,Hong, Zhanglian,&Huang, Fuqiang.(2019).Synthesis of Co2P nanoparticles decorated nitrogen, phosphorus Co-doped Carbon-CeO2 composites for highly efficient oxygen reduction.JOURNAL OF ALLOYS AND COMPOUNDS,801,192.
MLA Wang, Xiaoqing,et al."Synthesis of Co2P nanoparticles decorated nitrogen, phosphorus Co-doped Carbon-CeO2 composites for highly efficient oxygen reduction".JOURNAL OF ALLOYS AND COMPOUNDS 801(2019):192.
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