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sp-Hybridized nitrogen doped graphdiyne for high-performance Zn-air batteries
Zhao, Yasong1; Wan, Jiawei1,2; Yang, Nailiang1,2; Yu, Ranbo3; Wang, Dan1,2
2021-09-14
Source PublicationMATERIALS CHEMISTRY FRONTIERS
Pages6
AbstractZn-air batteries have drawn extensive attention owing to their high specific energy, light weight, convenient operation, and environmental friendliness. However, their practical application remains a challenge due to unsatisfactory performance and high-cost. Engineering highly efficient electrocatalysts, especially metal-free ones, for Zn-air batteries is crucially important. Doping heteroatoms can provide more active sites by the modification of electron distribution, and thus the rational design of the doping form and amount is an effective approach for performance enhancement. Herein, the unique sp-hybridized nitrogen atoms (sp-N) are site-specifically doped into graphdiyne (GDY) at a higher amount and with good selectivity. The precisely constructed sp-N doped GDY displays superior electrocatalytic activity and durability, which make it a distinctive air cathode for Zn-air batteries. Importantly, as an air cathode, sp-N doped GDY displays outstanding performance and robust stability, affording a peak power density of 195.7 mW cm(-2), exceeding that of the commercial Pt/C catalyst (180.3 mW cm(-2)), and prominent stability. This work provides an extraordinary route for advancing metal-air cathode materials.
DOI10.1039/d1qm01137e
Language英语
WOS KeywordCARBON NANOTUBES ; GRAPHENE ; ELECTROCATALYSIS ; INTERFACE ; CATALYSTS ; OXIDE
Funding ProjectNational Key R&D Program of China[2018YFA0703504] ; National Natural Science Foundation of China[51932001] ; National Natural Science Foundation of China[21971244] ; Postdoctoral Innovative Talent Support Program[BX20190331] ; China Postdoctoral Science Foundation[2020M670457]
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China ; Postdoctoral Innovative Talent Support Program ; China Postdoctoral Science Foundation
WOS IDWOS:000703634700001
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/50345
Collection中国科学院过程工程研究所
Corresponding AuthorYang, Nailiang; Wang, Dan
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, 1 Beiertiao, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Dept Phys Chem, 30 Xueyuan Rd, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Yasong,Wan, Jiawei,Yang, Nailiang,et al. sp-Hybridized nitrogen doped graphdiyne for high-performance Zn-air batteries[J]. MATERIALS CHEMISTRY FRONTIERS,2021:6.
APA Zhao, Yasong,Wan, Jiawei,Yang, Nailiang,Yu, Ranbo,&Wang, Dan.(2021).sp-Hybridized nitrogen doped graphdiyne for high-performance Zn-air batteries.MATERIALS CHEMISTRY FRONTIERS,6.
MLA Zhao, Yasong,et al."sp-Hybridized nitrogen doped graphdiyne for high-performance Zn-air batteries".MATERIALS CHEMISTRY FRONTIERS (2021):6.
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