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Carboxymethyl chitosan/conducting polymer as water-soluble composite binder for LiFePO4 cathode in lithium ion batteries
Zhong, Haoxiang1; He, Aiqin2; Lu, Jidian2; Sun, Minghao1,3; He, Jiarong1,3; Zhang, Lingzhi1
2016-12-30
发表期刊JOURNAL OF POWER SOURCES
卷号336页码:107-114
摘要A water-soluble conductive composite binder consisting of carboxymethyl chitosan (CCTS) as a binder and poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) as a conduction-promoting agent is reported for the LiFePO4 (LFP) cathode in Li-ion batteries. The introduction of conductive PEDOT:PSS as a conductive composite binder facilitates the formation of homogeneous and continuous conducting bridges throughout the electrode and raises the compaction density of the electrode sheet by decreasing the amounts of the commonly used conducting agent of acetylene black. The optimized replacement ratios of acetylene black with PEDOT:PSS (acetylene black/PEDOT:PSS = 1:1, by weight) are obtained by measuring electrical conductivity, peel strength and compaction density of the electrode sheets. The LFP half-cell with the optimized conductive binder exhibits better cycling and rate performance and more favorable electrochemical kinetics than that using only acetylene black conducting agent. The pilot application of PEDOT:PSS/CCTS binder in 10 Ah CCTS-LFP prismatic cell exhibits a comparable cycling performance, retaining 89.7% of capacity at 1 C/2 C (charge/discharge) rate as compared with 90% for commercial PVDF-LFP over 1000 cycles, and better rate capability than that of commercial PVDF-LFP, retaining 98% capacity of I C at 7 C rate as compared with 95.4% for PVDF-LFP. (C) 2016 Elsevier B.V. All rights reserved.
文章类型Article
关键词Conductive Water Soluble Binder Carboxymethyl Chitosan Cathode Pilot Application Lithium-ion Battery
WOS标题词Science & Technology ; Physical Sciences ; Technology
资助者K.C.Wong Education Foundation ; National Natural Science Foundation of China(21573239) ; Science & Technology Project of Guangdong Province(2014TX01N014/2015B010135008) ; Guangzhou Municipal Project for Science Technology(201509010018) ; Natural Science Foundation of Guangdong Province(2015A030313721) ; K.C.Wong Education Foundation ; National Natural Science Foundation of China(21573239) ; Science & Technology Project of Guangdong Province(2014TX01N014/2015B010135008) ; Guangzhou Municipal Project for Science Technology(201509010018) ; Natural Science Foundation of Guangdong Province(2015A030313721)
DOI10.1016/j.jpowsour.2016.10.041
研究领域[WOS]Chemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
关键词[WOS]NEGATIVE ELECTRODES ; CHITOSAN ; PERFORMANCE ; POLYACRYLATE ; CAPABILITY ; ANODES ; LAYER
收录类别SCI
语种英语
资助者K.C.Wong Education Foundation ; National Natural Science Foundation of China(21573239) ; Science & Technology Project of Guangdong Province(2014TX01N014/2015B010135008) ; Guangzhou Municipal Project for Science Technology(201509010018) ; Natural Science Foundation of Guangdong Province(2015A030313721) ; K.C.Wong Education Foundation ; National Natural Science Foundation of China(21573239) ; Science & Technology Project of Guangdong Province(2014TX01N014/2015B010135008) ; Guangzhou Municipal Project for Science Technology(201509010018) ; Natural Science Foundation of Guangdong Province(2015A030313721)
WOS类目Chemistry, Physical ; Electrochemistry ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号WOS:000389086900013
引用统计
被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/14001
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, Guangdong Key Lab New & Renewable Energy Res & De, Key Lab Renewable Energy, 2 Nengyuan Rd, Guangzhou 510640, Guangdong, Peoples R China
2.Guangzhou Lithium Force Energy Technol Co Ltd, 11 Kai Yuan Blvd, Guangzhou 510730, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Zhong, Haoxiang,He, Aiqin,Lu, Jidian,et al. Carboxymethyl chitosan/conducting polymer as water-soluble composite binder for LiFePO4 cathode in lithium ion batteries[J]. JOURNAL OF POWER SOURCES,2016,336:107-114.
APA Zhong, Haoxiang,He, Aiqin,Lu, Jidian,Sun, Minghao,He, Jiarong,&Zhang, Lingzhi.(2016).Carboxymethyl chitosan/conducting polymer as water-soluble composite binder for LiFePO4 cathode in lithium ion batteries.JOURNAL OF POWER SOURCES,336,107-114.
MLA Zhong, Haoxiang,et al."Carboxymethyl chitosan/conducting polymer as water-soluble composite binder for LiFePO4 cathode in lithium ion batteries".JOURNAL OF POWER SOURCES 336(2016):107-114.
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