DICP OpenIR
Superior Na-storage performance of molten-state-blending-synthesized monoclinic NaVPO4F nanoplates for Na-ion batteries
Ling, Moxiang1,2; Li, Fan1,2; Yi, Hongming1,2; Li, Xianfeng1,3; Hou, Guangjin1; Zheng, Qiong1; Zhang, Huamin1,3
Corresponding AuthorZheng, Qiong(zhengqiong@dicp.ac.cn) ; Zhang, Huamin(zhanghm@dicp.ac.cn)
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
2018-12-21
ISSN2050-7488
DOI10.1039/c8ta08842j
Volume6Issue:47Pages:24201-24209
Funding ProjectNational Natural Science Foundation of China[21501171] ; National Natural Science Foundation of China[21773230]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS KeywordCARBON-COATED NA3V2(PO4)(3) ; CATHODE MATERIAL ; LITHIUM-ION ; ELECTROCHEMICAL PERFORMANCE ; POSITIVE ELECTRODE ; HIGH-ENERGY ; SODIUM ; FLUOROPHOSPHATE ; GRAPHENE
AbstractA superior monoclinic NaVPO4F nanoplate for Na-ion batteries has been prepared by a molten-state-blending technique. By this molecular level blending method, a nanoscale-laminated NaVPO4F@C sample with high crystallinity can be obtained. High thermal stability, stable Na+ insertion/extraction and superior electron/Na+ transport of NaVPO4F have been elucidated by temperature-dependent IR, in situ XRD and kinetic investigations. Accordingly, the as-prepared NaVPO4F with moderate carbon coating exhibits superior Na-storage performance. It can deliver a high initial specific capacity of 135.0 mA h g(-1) at 0.2C, ultra-high rate performance (up to 112.1 mA h g(-1) at 30C) and super-stable cycling performance (capacity fading rate of 0.0064% per cycle during 1500 cycles at 20C). The potential application of NaVPO4F as the anode has been explored, and a symmetrical battery with NaVPO4F as both the anode and cathode has been successfully assembled for the first time. More significantly, in situ XRD and ex situ NMR have been employed to explore the charge-discharge behavior in a Na-ion battery, and the result clearly demonstrates that less than one Na has been intercalated/extracted from NaVPO4F during the charging/discharging process.
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS IDWOS:000452482900026
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/166379
Collection中国科学院大连化学物理研究所
Corresponding AuthorZheng, Qiong; Zhang, Huamin
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Zhongshan Rd 457, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Collaborat Innovat Ctr Chem Energy Mat iChEM, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Ling, Moxiang,Li, Fan,Yi, Hongming,et al. Superior Na-storage performance of molten-state-blending-synthesized monoclinic NaVPO4F nanoplates for Na-ion batteries[J]. JOURNAL OF MATERIALS CHEMISTRY A,2018,6(47):24201-24209.
APA Ling, Moxiang.,Li, Fan.,Yi, Hongming.,Li, Xianfeng.,Hou, Guangjin.,...&Zhang, Huamin.(2018).Superior Na-storage performance of molten-state-blending-synthesized monoclinic NaVPO4F nanoplates for Na-ion batteries.JOURNAL OF MATERIALS CHEMISTRY A,6(47),24201-24209.
MLA Ling, Moxiang,et al."Superior Na-storage performance of molten-state-blending-synthesized monoclinic NaVPO4F nanoplates for Na-ion batteries".JOURNAL OF MATERIALS CHEMISTRY A 6.47(2018):24201-24209.
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