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Co single-atom anchored on Co3O4 and nitrogen-doped active carbon toward bifunctional catalyst for zinc-air batteries
Xiongwei Zhong1,2; Wendi Yi1; Yuanju Qu5; Luozheng Zhang1; Haoyu Bai1; Yuanmin Zhu1,4; Jing Wan6; Shi Chen2,3; Ming Yang7; Li Huang6; Meng Gu1; Hui Pan2,3; Baomin Xu1
2020-09-13
Source PublicationApplied Catalysis B: Environmental
ISSN0926-3373
Volume260
Abstract

Highly efficient noble-metal-free electrocatalysts are urgently explored for high energy density and safe metal-air batteries. Herein, an ingenious Co-CoO@NAC is prepared for this purpose by anchoring Co single atom on both CoO nanoparticle and nitrogen-doped active carbon (NAC), where synergistic interaction among Co atoms, CoO particles and NAC plays a significant role for excellent oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Moreover, the primary zinc-air battery (ZAB) with the Co-CoO@NAC as a cathode catalyst shows a high open circuit voltage (OCV) of 1.449 V, a specific energy density of 721 mA h/g and a maximum power density of 164 mW/cm. The rechargeable ZAB with this catalyst displays a low voltage gap of 0.773 V at 10 mA/cm and stable cycling performance. This work provides a novel tactic to design elaborate high-efficient and promising bifunctional catalysts with non-noble metal atom and metal oxide for metal-air batteries.

KeywordCo Single Atom Co3o4 Nitrogen-doped Carbon Oxygen Reduction Reaction Zinc-air Battery
DOI10.1016/j.apcatb.2019.118188
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000496894300044
Scopus ID2-s2.0-85072286193
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Cited Times [WOS]:59   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorHui Pan; Baomin Xu
Affiliation1.Department of Materials Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.Joint Key Laboratory of the Ministry of Education,Institute of Applied Physics and Materials Engineering,University of Macau,Avenida da Universidade,Taipa,China
3.Department of Physics and Chemistry,Faculty of Science and Technology,University of Macau,Avenida da Universidade,Taipa,China
4.Academy for Advanced Interdisciplinary studies,Southern University of Science and Technology,Shenzhen,518055,China
5.School of Electronic and Information Engineering,Foshan University,Foshan,528000,China
6.Department of Physics,Southern University of Science and Technology,Shenzhen,518055,China
7.Institute of Materials Research and Engineering (IMRE),A⁎STAR (Agency for Science,Technology,and Research),Innovis,#08-03, 2 Fusionopolis Way,138634,Singapore
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING;  Faculty of Science and Technology
Recommended Citation
GB/T 7714
Xiongwei Zhong,Wendi Yi,Yuanju Qu,et al. Co single-atom anchored on Co3O4 and nitrogen-doped active carbon toward bifunctional catalyst for zinc-air batteries[J]. Applied Catalysis B: Environmental,2020,260.
APA Xiongwei Zhong,Wendi Yi,Yuanju Qu,Luozheng Zhang,Haoyu Bai,Yuanmin Zhu,Jing Wan,Shi Chen,Ming Yang,Li Huang,Meng Gu,Hui Pan,&Baomin Xu.(2020).Co single-atom anchored on Co3O4 and nitrogen-doped active carbon toward bifunctional catalyst for zinc-air batteries.Applied Catalysis B: Environmental,260.
MLA Xiongwei Zhong,et al."Co single-atom anchored on Co3O4 and nitrogen-doped active carbon toward bifunctional catalyst for zinc-air batteries".Applied Catalysis B: Environmental 260(2020).
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