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Ultrasmall ZnO Nanocrystals Confined in Honeycombed N-Doped Carbon for High-Performance and Stable Lithium/Sodium Ion Batteries
Li, Jianding1,2; Zheng, Yun1; Bao, Xiaozhi1; He, Liqing3; Zhang, Haiyan4; Tang, Yuxin5; Shao, Huaiyu1
2022-07-19
Source PublicationEnergy Technology
ISSN2194-4288
Volume10Issue:10Pages:2200446
Abstract

ZnO with high theoretical capacity, low cost, natural abundance, and environmentally friendliness is regarded as a promising anode material for lithium-ion batteries (LIBs). Unfortunately, it suffers from low conductivity and huge volume expansion during charge/discharge, which finally leads to rapid capacity degradation and poor rate capability. To overcome these issues, the honeycombed ZnO@N-doped carbon (HC-ZnO@NC) composite with improved performances is prepared in this work. The composite could be easily prepared as an anode for LIBs and sodium-ion batteries (SIBs) by cross-linking and subsequent calcining at a target temperature. When used as an anode for LIBs, it could possess a reversible capacity of 687 mAh g after 500 cycles at a rate of 0.5C. At a higher rate of 2C, 388 mAh g is observed after 500 cycles. Additionally, HC-ZnO@NC also obtains a capacity of 166 mAh g after 200 cycles at 0.5C for SIBs. When the rate reaches 1C, it maintains a capacity of 126 mAh g after 1000 cycles. The outstanding electrochemical metal ion storage properties might be ascribed to the synergistic effect of honeycombed carbon architecture and micro ZnO nanocrystals.

KeywordAnode Materials Batteries Honeycombed Zno@n-doped Carbon Sei Surface Chemical Analyses
DOI10.1002/ente.202200446
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEnergy & Fuels
WOS SubjectEnergy & Fuels
WOS IDWOS:000829920100001
Scopus ID2-s2.0-85134780436
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Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorShao, Huaiyu
Affiliation1.Guangdong-Hong Kong-Macau Joint Laboratory for Photonic-Thermal-Electrical Energy Materials and Devices, Institute of Applied Physics and Materials Engineering, University of Macau, Taipa, 999078, Macao
2.School of Science, Huzhou University, Huzhou, 313000, China
3.Hefei General Machinery Research Institute Co., Ltd, Hefei, 230031, China
4.School of Materials and Energy, Guangdong University of Technology, Guangzhou, 510006, China
5.College of Chemical Engineering, Fuzhou University, Fuzhou, 350116, China
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Recommended Citation
GB/T 7714
Li, Jianding,Zheng, Yun,Bao, Xiaozhi,et al. Ultrasmall ZnO Nanocrystals Confined in Honeycombed N-Doped Carbon for High-Performance and Stable Lithium/Sodium Ion Batteries[J]. Energy Technology, 2022, 10(10), 2200446.
APA Li, Jianding., Zheng, Yun., Bao, Xiaozhi., He, Liqing., Zhang, Haiyan., Tang, Yuxin., & Shao, Huaiyu (2022). Ultrasmall ZnO Nanocrystals Confined in Honeycombed N-Doped Carbon for High-Performance and Stable Lithium/Sodium Ion Batteries. Energy Technology, 10(10), 2200446.
MLA Li, Jianding,et al."Ultrasmall ZnO Nanocrystals Confined in Honeycombed N-Doped Carbon for High-Performance and Stable Lithium/Sodium Ion Batteries".Energy Technology 10.10(2022):2200446.
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