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Reduced Polysulfide Shuttle Effect by Using Polyimide Separators with Ionic Liquid-based Electrolytes in Lithium-Sulfur Battery
Wang, Yanqing1,2; Zhang, Zengqi1; Haibara, Masaki3; Sun, Deye1; Ma, Xiaodi1; Jin, Yongcheng1; Munakata, Hirokazu3; Kanamura, Kiyoshi3
2017-11-20
发表期刊ELECTROCHIMICA ACTA
卷号255页码:109-117
摘要In this research, we demonstrate a new method for reducing the shuttle effect by confining polysulfide in separator area through the use of polyimide (PI) separator with reversible adsorption functions in lithium-sulfur batteries. As a comparison, the cells with polypropylene (PP) separators which have no function to adsorb dissoluble polysulfide show a result that the content of sulfur on lithium anode surface is increased up to 63.94% after 100th cycles with the content of N-methyl-N-butylpiperidinium bis(trifluoromethylsulfonyl) imide (PP14TFSI) in the mixture electrolyte increasing. This result illustrates that the migration and reaction between dissolved polysulfide in PP14TFSI and lithium cannot be neglected although the solubility of polysulfide is slight in PP14TFSI solvent. However, when PI separators are introduced, besides improving the wettability with PP14TFSI-based electrolytes, experimental results also show that the PI separator has a reversible adsorption function to dissoluble polysulfide which is used to confining polysulfide in separator area to a certain extent due to the abundant nitrogen-, oxygen-containing functional groups in PI skeleton. What's more, PI separator can decreases the sulfur content on lithium surface after cycling to 17.92% which decreases greatly than that with PP separator and improves its electrochemical performance. (C) 2017 Elsevier Ltd. All rights reserved.
文章类型Article
关键词Ionic Liquid Polyimide Separator Wettability Reversible Adsorption Lithium-sulfur Battery
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.electacta.2017.09.149
关键词[WOS]ELECTROCHEMICAL REACTIONS ; POROUS CARBON ; PERFORMANCE ; CATHODE ; INTERPHASE ; INTERLAYER ; ETHER ; REVERSIBILITY ; CHEMISORPTION ; STABILIZE
收录类别SCI
语种英语
WOS研究方向Electrochemistry
项目资助者Chinese Academy of Sciences ; Development Program of China: National Key R&D Program of China
WOS类目Electrochemistry
WOS记录号WOS:000413445000014
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/9563
专题先进界面技术研究组
作者单位1.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, CAS Key Lab Biobased Mat, Qingdao 266101, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquanlu Rd, Beijing 100049, Peoples R China
3.Tokyo Metropolitan Univ, Grad Sch Urban Environm Sci, 1-1 Minami Ohsawa, Hachioji, Tokyo 1920397, Japan
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Wang, Yanqing,Zhang, Zengqi,Haibara, Masaki,et al. Reduced Polysulfide Shuttle Effect by Using Polyimide Separators with Ionic Liquid-based Electrolytes in Lithium-Sulfur Battery[J]. ELECTROCHIMICA ACTA,2017,255:109-117.
APA Wang, Yanqing.,Zhang, Zengqi.,Haibara, Masaki.,Sun, Deye.,Ma, Xiaodi.,...&Kanamura, Kiyoshi.(2017).Reduced Polysulfide Shuttle Effect by Using Polyimide Separators with Ionic Liquid-based Electrolytes in Lithium-Sulfur Battery.ELECTROCHIMICA ACTA,255,109-117.
MLA Wang, Yanqing,et al."Reduced Polysulfide Shuttle Effect by Using Polyimide Separators with Ionic Liquid-based Electrolytes in Lithium-Sulfur Battery".ELECTROCHIMICA ACTA 255(2017):109-117.
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