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Cobalt phosphosulfide nanoparticles encapsulated into heteroatom-doped carbon as bifunctional electrocatalyst for Zn− air battery
Xu, X.1,2,3,4; Wang, S.5; Guo, S.2; Hui, K.S.3; Ma, J.6; Dinh, D.A.5; Hui, Kwun Nam4; Wang, H.2; Zhang, L.6; Zhou, G.7
2022-07
Source PublicationAdvanced Powder Materials
Volume1Pages:100027
Abstract

CoPS nanoparticles encapsulated with S, P, N tri-doped carbon material (SPNC) were proposed as bifunctional electrocatalyst of oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) derived from zeolitic imidazolate framework-67. Density functional theory calculations consistently revealed that P element in CoPS@SPNC improves the electrical conductivity and reduces OH∗ hydrogenation energy barrier on Co sites, thereby facilitating the overall ORR/OER activities. A flexible Zn–air battery with CoPS@SPNC delivered an overpotential of 0.49 ​V, an energy efficiency above 80%, and a discharge voltage of 1.29 ​V at 2 ​mA ​cm−2 for 80 ​h.

KeywordBifunctional Electrocatalyst Zeolitic Imidazolate Framework Heteroatom Doping Zn–air Battery
DOI10.1016/j.apmate.2021.12.003
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Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorXu, X.; Hui, K.S.; Hui, Kwun Nam; Wang, H.; Zhou, G.
Affiliation1.School of Materials Science and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
2.College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
3.Engineering, Faculty of Science, University of East Anglia, Norwich, United Kingdom
4.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau SAR, China
5.NTT Hi-tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City 700000, Viet Nam
6.College of Energy, State Key Laboratory of Organic Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
7.Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Xu, X.,Wang, S.,Guo, S.,et al. Cobalt phosphosulfide nanoparticles encapsulated into heteroatom-doped carbon as bifunctional electrocatalyst for Zn− air battery[J]. Advanced Powder Materials,2022,1:100027.
APA Xu, X.,Wang, S.,Guo, S.,Hui, K.S.,Ma, J.,Dinh, D.A.,Hui, Kwun Nam,Wang, H.,Zhang, L.,&Zhou, G..(2022).Cobalt phosphosulfide nanoparticles encapsulated into heteroatom-doped carbon as bifunctional electrocatalyst for Zn− air battery.Advanced Powder Materials,1,100027.
MLA Xu, X.,et al."Cobalt phosphosulfide nanoparticles encapsulated into heteroatom-doped carbon as bifunctional electrocatalyst for Zn− air battery".Advanced Powder Materials 1(2022):100027.
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