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Facile renewable synthesis of nitrogen/oxygen co-doped graphene-like carbon nanocages as general lithium-ion and potassium-ion battery anodes
Sun, YH; Zhu, DM; Liang, ZF; Zhao, YX; Tian, WF; Ren, XC; Wang, J; Li, XY; Gao, Y; Wen, W; Huang, YB; Li, XL; Tai, RZ
2020
Source PublicationCARBON
ISSN0008-6223
Volume167Pages:685-695
Subtype期刊论文
AbstractEnvironmentally-friendly carbon-based materials possess the potential applications as general anode for alkali-ion batteries. However, the existing carbon-based materials cannot satisfy the increasing demand for high energy density and need further active exploration. Herein, nitrogen/oxygen co-doped graphene-like carbon nanocages (NOGCN) is synthesized from biomass cytidine on hydro-soluble sodium chloride nanocrystals by a one-step method as a general lithium and potassium-ion batteries anode. All reactants are completely renewable and readily available. The nitrogen/oxygen-doping, large interlayer spacing and robust self-supporting nanocage architecture greatly favour electrolyte penetration and improve the kinetics for ion and electron transport, resulting in extraordinary electrochemical performance. The synthesized NOGCN electrodes exhibit a high lithiation storage capacity of 620 mA h g(-1) over 500 cycles at 500 mA g(-1), with continuously magnifying capacity. Moreover, the impressive reversible potassiation capacity (355 mA h g(-1) at 200 mA g(-1)) and rate capability (114 mA h g(-1) at 1000 mA g(-1)) were achieved despite the large-sized potassium ions. Kinetic analysis and density functional theory calculations elaborately illustrate the Li/K-absorption properties of the N/O-doped graphene-like structure, further demonstrating the chemical affinity and superiority in Li/K storage. This study provides a facile and completely renewable method to prepare promising general anode material for alkali-ion batteries. (C) 2020 Elsevier Ltd. All rights reserved.
KeywordHIGH-PERFORMANCE ENERGY ELECTRODES NANOSHEETS CAPACITY STORAGE
DOI10.1016/j.carbon.2020.06.046
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32882
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Henan Univ Technol, Coll Sci, Zhengzhou 450001, Peoples R China
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Sun, YH,Zhu, DM,Liang, ZF,et al. Facile renewable synthesis of nitrogen/oxygen co-doped graphene-like carbon nanocages as general lithium-ion and potassium-ion battery anodes[J]. CARBON,2020,167:685-695.
APA Sun, YH.,Zhu, DM.,Liang, ZF.,Zhao, YX.,Tian, WF.,...&Tai, RZ.(2020).Facile renewable synthesis of nitrogen/oxygen co-doped graphene-like carbon nanocages as general lithium-ion and potassium-ion battery anodes.CARBON,167,685-695.
MLA Sun, YH,et al."Facile renewable synthesis of nitrogen/oxygen co-doped graphene-like carbon nanocages as general lithium-ion and potassium-ion battery anodes".CARBON 167(2020):685-695.
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