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Electrochemical Performance of FeF3 center dot 0.33H(2)O/MWCNTs Composite Cathode Synthesized by Solvothermal Process
Zhang, Yanli; Wang, Li; Li, Jianjun; He, Xiangming; Wen, Lei; Gao, Jian; Liu, Hengwei; Zhang, Yufeng; Zhao, Peng; wang-l@tsinghua.edu.cn; hexm@tsinghua.edu.cn
2015
Source PublicationJOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS
ISSN1480-2422
Volume18Issue:2Pages:103-109
AbstractThis paper reports a FeF3 center dot 0.33H(2)O/multi-walled carbon nanotubes (MWCNTs) composite for energy storage applications. The composite material is prepared by solvothermal reaction with FeF3 center dot 3H(2)O and MWCNTs as precursors, and FeF3 center dot 3H(2)O was removed of crystalliferous water and converted to FeF3 center dot 0.33H(2)O during solvothermal treatment. Structural characterizations show that FeF3 center dot 0.33H(2)O that crystalline with a diameter of about 30 nm were distributed in the network of MWCNTs. As a cathode material for lithium ion batteries, FeF3 center dot 0.33H(2)O/MWCNTs was superior to pure FeF3 center dot 0.33H(2)O in terms of high capacity (an initial capacity of 181 mAh g(-1) in 2.0-4.3 V at 20 mA g(-1)), good cycleability (50% capacity retension at 50th cycle) and good rate capability (116 mAh g(-1) at 100 mA g(-1)). The enhanced performances were attributed to the conductive MWCNT network which improved the electron transport ability and buffered volume change of the cathode.
description.department[zhang, yanli ; wang, li ; li, jianjun ; he, xiangming ; gao, jian ; liu, hengwei ; zhang, yufeng ; zhao, peng] tsinghua univ, inst nucl & new energy technol, beijing 100084, peoples r china ; [zhang, yanli] shenyang univ chem technol, shenyang 110142, peoples r china ; [wang, li] tsinghua univ, state key lab automot safety & energy, beijing 100084, peoples r china ; [wen, lei] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
KeywordLithium Ion Batteries Fef3 Center Dot 0.33h(2)o Mwcnts Composite Electrochemical
Funding OrganizationMOST [2011CB935902, 2013CB934000, 2013AA050903, 2010DFA72760]; Tsinghua University Initiative Scientific Research Program [2010THZ08116, 2011THZ08139, 2011THZ01004, 2012THZ08129]; State Key Laboratory of Automotive Safety and Energy [ZZ2012-011]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74812
Collection中国科学院金属研究所
Corresponding Authorwang-l@tsinghua.edu.cn; hexm@tsinghua.edu.cn
Recommended Citation
GB/T 7714
Zhang, Yanli,Wang, Li,Li, Jianjun,et al. Electrochemical Performance of FeF3 center dot 0.33H(2)O/MWCNTs Composite Cathode Synthesized by Solvothermal Process[J]. JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS,2015,18(2):103-109.
APA Zhang, Yanli.,Wang, Li.,Li, Jianjun.,He, Xiangming.,Wen, Lei.,...&hexm@tsinghua.edu.cn.(2015).Electrochemical Performance of FeF3 center dot 0.33H(2)O/MWCNTs Composite Cathode Synthesized by Solvothermal Process.JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS,18(2),103-109.
MLA Zhang, Yanli,et al."Electrochemical Performance of FeF3 center dot 0.33H(2)O/MWCNTs Composite Cathode Synthesized by Solvothermal Process".JOURNAL OF NEW MATERIALS FOR ELECTROCHEMICAL SYSTEMS 18.2(2015):103-109.
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