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A superior thermostable and nonflammable composite membrane towards high power battery separator
Zhang, Bo; Wang, Qingfu; Zhang, Jianjun; Ding, Guoliang; Xu, Gaojie; Liu, Zhihong; Cui, Guanglei
2014-11-01
发表期刊NANO ENERGY
卷号10期号:1页码:277-287
摘要

The composite membrane of glass microfiber and polyimide was prepared by paper making method and following dip-coating process to explore the feasibility as high performance separator of lithium ion battery (LIB). It was demonstrated that the composite membranes, with a thickness of about 45 mu m, possessed a significantly enhanced tensile strength and a modified porous structure, compared with that of pristine glass microfiber membrane. Impressive improvements in thermostability and flame retarding were achieved for composite membrane, with no shrinkage at the elevated temperature of 200 degrees C, even no burn on fire, compared with commercial polyolefin separators. Meanwhile, the composite membrane presented a favorable wettability and remarkable electrochemical stability in commercial liquid electrolyte. In addition, the battery test results of LiFePO4/Li and LiFePO4/graphite cells proved the composite membrane was a promising separator with an improved rate capability. The cycle performance of cells at the elevated temperature of 120 degrees C demonstrated their excellent safety characteristic as separator in LIB, indicating the composite membrane was a potential separator candidate for high power battery. (C) 2014 Elsevier Ltd. All rights reserved.

文章类型Article
关键词Glass Microfiber Polyimide Separator Nonflammable
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.nanoen.2014.10.001
关键词[WOS]LITHIUM-ION BATTERY ; NONWOVEN SEPARATOR ; POLYMER ELECTROLYTES ; THERMAL-PROPERTIES ; POLYIMIDE FILMS ; PERFORMANCE ; MATRIX ; MATS
收录类别SCI
语种英语
WOS研究方向Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS记录号WOS:000345986500031
引用统计
文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/6223
专题仿生与固态能源系统研究组
作者单位Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao Ind Energy Storage Technol Inst, Qingdao 266101, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Bo,Wang, Qingfu,Zhang, Jianjun,et al. A superior thermostable and nonflammable composite membrane towards high power battery separator[J]. NANO ENERGY,2014,10(1):277-287.
APA Zhang, Bo.,Wang, Qingfu.,Zhang, Jianjun.,Ding, Guoliang.,Xu, Gaojie.,...&Cui, Guanglei.(2014).A superior thermostable and nonflammable composite membrane towards high power battery separator.NANO ENERGY,10(1),277-287.
MLA Zhang, Bo,et al."A superior thermostable and nonflammable composite membrane towards high power battery separator".NANO ENERGY 10.1(2014):277-287.
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