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A low cost shutdown sandwich-like composite membrane with superior thermo-stability for lithium-ion battery
Li, Dan1,2; Shi, Dingqin1; Yuan, Zhizhang1,2; Feng, Kai1; Zhang, Huamin1,3; Li, Xianfeng1,3
关键词Lithium-ion Battery Sandwich-like Membrane Thermal Stability Shutdown Function
刊名JOURNAL OF MEMBRANE SCIENCE
2017-11-15
DOI10.1016/j.memsci.2017.07.051
542页:1-7
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Engineering, Chemical ; Polymer Science
研究领域[WOS]Engineering ; Polymer Science
关键词[WOS]ELECTROCHEMICAL PERFORMANCE ; POLYPROPYLENE SEPARATORS ; WETTABILITY ; ELECTROLYTE
英文摘要A separator plays the key role in solving the safety issues of lithium-ion batteries. The currently used polyolefin separators are seriously limited by their low thermal stability. In this paper, a sandwich-like composite membrane with super-high thermal stability was designed and fabricated. In the design, a porous polybenzimidazole (PBI) layer was introduced on both sides of a PE separator by a typical phase inversion method. The porous PBI layer on both sides of the PE ensured high ion conductivity, high thermal stability and the nonflammable property. Meanwhile, this PE separator also acted as a shut-down layer at an elevated temperature. As a result, the PBI/PE/PBI (referred to as PBIE) sandwich-like composite membrane exhibited no dimensional shrinkage up to 200 degrees C. In addition, the prepared PBIE membrane could easily shut the battery down at about 140 degrees C. Combing these features of shut-down function and high thermal stability, the PBIE membrane is expected to internally solve the safety issues, which have been extremely troublesome so far for lithium-ion batteries.
语种英语
WOS记录号WOS:000410384300001
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149958
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Zhongshan Rd 457, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Collaborat Innovat Ctr Chem Energy Mat iChEM, Dalian 116023, Peoples R China
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GB/T 7714
Li, Dan,Shi, Dingqin,Yuan, Zhizhang,et al. A low cost shutdown sandwich-like composite membrane with superior thermo-stability for lithium-ion battery[J]. JOURNAL OF MEMBRANE SCIENCE,2017,542:1-7.
APA Li, Dan,Shi, Dingqin,Yuan, Zhizhang,Feng, Kai,Zhang, Huamin,&Li, Xianfeng.(2017).A low cost shutdown sandwich-like composite membrane with superior thermo-stability for lithium-ion battery.JOURNAL OF MEMBRANE SCIENCE,542,1-7.
MLA Li, Dan,et al."A low cost shutdown sandwich-like composite membrane with superior thermo-stability for lithium-ion battery".JOURNAL OF MEMBRANE SCIENCE 542(2017):1-7.
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