A low cost shutdown sandwich-like composite membrane with superior thermo-stability for lithium-ion battery

	A low cost shutdown sandwich-like composite membrane with superior thermo-stability for lithium-ion battery
	Yuan, Zhizhang 1,3; Zhang, Huamin 1,2; Li, Dan 1,3; Li, Xianfeng 1,2; Shi, Dingqin 1; Feng, Kai 1
刊名	JOURNAL OF MEMBRANE SCIENCE
	2017-11-15
卷号	542 页码:1-7
关键词	Lithium-ion battery Sandwich-like membrane Thermal stability Shutdown function
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.
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
收录类别	SCI
语种	英语
WOS记录号	WOS:000410384300001
内容类型	期刊论文
源URL	[http://cas-ir.dicp.ac.cn/handle/321008/149958]
专题	大连化学物理研究所_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.Collaborat Innovat Ctr Chem Energy Mat iChEM, Dalian 116023, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Yuan, Zhizhang,Zhang, Huamin,Li, Dan,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	Yuan, Zhizhang,Zhang, Huamin,Li, Dan,Li, Xianfeng,Shi, Dingqin,&Feng, Kai.(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	Yuan, Zhizhang,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.