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Cyanoethylated Carboxymethyl Chitosan as Water Soluble Binder with Enhanced Adhesion Capability and electrochemical performances for LiFePO4 Cathode
He, Jiarong1,2; Wang, Jinglun1; Zhong, Haoxiang1; Ding, Jianning3; Zhang, Lingzhi1
2015-11-10
发表期刊ELECTROCHIMICA ACTA
卷号182
摘要Cyanoethylated carboxymethyl chitosan (CN-CCTS) has been synthesized through a straightforward cyanoethylation reaction by reacting CCTS with acrylonitrile in NaOH aqueous solution. CN-CCTS shows improved adhesion strength of 0.047 N/cm as compared with 0.013 N/cm for CCTS after introducing cyanoethyl group in the chemical structure of CCTS. The electrochemical performances of LiFePO4 electrode with CN-CCTS binder have been investigated and compared with those using water soluble sodium carboxymethyl cellulose (CMC) and non-aqueous polyvinylidene difluoride (PVDF) binder. LiFePO4 electrode with CN-CCTS exhibits better cycling stability and rate capability, retaining 56.3% capacity of C/5 at 5C rate as compared with 48.4% and 32.8% for CMC and PVDF, respectively. Cyclic voltammetry and electrochemical impedance spectroscopy measurement reveal that LiFePO4 electrode with CN-CCTS has a more favorable electrochemical kinetics than that with CMC and PVDF, thus better rate capability. (C) 2015 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Carboxymethyl Chitosan Water Soluble Binder Adhesion Strength Lifepo4 Lithium-ion Battery
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.electacta.2015.10.006
研究领域[WOS]Electrochemistry
关键词[WOS]LITHIUM-ION BATTERIES ; POLYACRYLIC-ACID ; LOW-COST ; ENERGY-STORAGE ; GRAPHITE ANODE ; ELECTRODE ; POLYETHYLENEIMINE
收录类别SCI
语种英语
WOS类目Electrochemistry
WOS记录号WOS:000365075800112
引用统计
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10903
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Changzhou Univ, Jiangsu Collaborat Innovat Ctr Photovolat Sci & E, Changzhou 213164, Jiangsu, Peoples R China
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He, Jiarong,Wang, Jinglun,Zhong, Haoxiang,et al. Cyanoethylated Carboxymethyl Chitosan as Water Soluble Binder with Enhanced Adhesion Capability and electrochemical performances for LiFePO4 Cathode[J]. ELECTROCHIMICA ACTA,2015,182.
APA He, Jiarong,Wang, Jinglun,Zhong, Haoxiang,Ding, Jianning,&Zhang, Lingzhi.(2015).Cyanoethylated Carboxymethyl Chitosan as Water Soluble Binder with Enhanced Adhesion Capability and electrochemical performances for LiFePO4 Cathode.ELECTROCHIMICA ACTA,182.
MLA He, Jiarong,et al."Cyanoethylated Carboxymethyl Chitosan as Water Soluble Binder with Enhanced Adhesion Capability and electrochemical performances for LiFePO4 Cathode".ELECTROCHIMICA ACTA 182(2015).
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