CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Electrochemical characteristics and intercalation mechanism of ZnS/C composite as anode active material for lithium-ion batteries
He, Li; Liao, Xiao-Zhen; Yang, Ke; He, Yu-Shi; Wen, Wen(文闻); Ma, Zi-Feng
2011
Source PublicationELECTROCHIMICA ACTA
ISSN0013-4686
Volume56Issue:3Pages:1213
AbstractZnS/C composites were synthesized by a combined precipitation with carbon coating method. Morphology and structure of the as-prepared ZnS/C composite materials with carbon content of 4.6 wt%. 9.3 wt% and 11.4 wt% were characterized using TEM and XRD technique. TEM observation demonstrated that the ZnS/C (9.3 wt% C) composite showed excellent microstructure with 20-30 nm ZnS nanoparticles uniformly dispersed in conductive carbon network. Electrochemical tests showed that the ZnS/C (9.3 wt% C) composite presented superior performance with initial charge and discharge capacity of 1021.1 and 481.6 mAh/g at a high specific current of 400 mA/g, after 300 cycles, the discharge capacity of ZnS/C electrode still maintained at 304.4 mAh/g, with 63.2% of its initial capacity. The rate capability and low temperature performance of the ZnS/C (9.3 wt% C) composite were compared with commercial MCMB anode. The results showed that the ZnS/C (9.3 wt%) composite exhibited much better cycle capability and low temperature performance than MCMB anode. ZnS/C composite seems to be a promising anode active material for lithium ion batteries. Intercalation mechanism of the ZnS/C composites for lithium ion insertion-extraction is proposed based on the ex situ X-ray diffraction analysis incorporating with its electrochemical characteristics. (C) 2010 Elsevier Ltd. All rights reserved.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000289225400029
Citation statistics
Cited Times:67[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/12858
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
He, Li,Liao, Xiao-Zhen,Yang, Ke,et al. Electrochemical characteristics and intercalation mechanism of ZnS/C composite as anode active material for lithium-ion batteries[J]. ELECTROCHIMICA ACTA,2011,56(3):1213.
APA He, Li,Liao, Xiao-Zhen,Yang, Ke,He, Yu-Shi,Wen, Wen,&Ma, Zi-Feng.(2011).Electrochemical characteristics and intercalation mechanism of ZnS/C composite as anode active material for lithium-ion batteries.ELECTROCHIMICA ACTA,56(3),1213.
MLA He, Li,et al."Electrochemical characteristics and intercalation mechanism of ZnS/C composite as anode active material for lithium-ion batteries".ELECTROCHIMICA ACTA 56.3(2011):1213.
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