Thin, flexible and thermally stable ceramic membranes as separator for lithium-ion batteries

被引：67
|
作者：
Raja, M. [1 ]
Angulakshmi, N. [2 ]
Thomas, S. [2 ]
Kumar, T. Prem [1 ]
Stephan, A. Manuel [1 ]
机构：
[1] Cent Electrochem Res Inst, CSIR, Electrochem Power Syst Div, Karaikkudi 630006, Tamil Nadu, India
[2] Mahatma Gandhi Univ, Kottayam 686560, Kerala, India
来源：
JOURNAL OF MEMBRANE SCIENCE | 2014年 / 471卷
关键词：
Ceramic membrane; Lithium aluminate; Ionic conductivity; Lithium-ion battery; COMPOSITE POLYMER ELECTROLYTE; CYCLING PERFORMANCE; PEO; CATHODE; CELLS;
D O I：
10.1016/j.memsci.2014.07.058
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Thin and bendable magnesium aluminate, (MgAl2O4)-based porous ceramic membrane (RCM) was prepared with poly (vinylidene tluoride-hexatluoropropylene) (PVdF-FIFP) as binder. The physical properties such as thermal stability, tensile strength, porosity and electrolyte uptake of the membranes were measured. The electrochemical studies like effective ionic conductivity, lithium transference number and compatibility with lithium metal anode were also carried out. The porous ceramic membrane was found to be dimensionally stable even at 135 degrees C. Finally, a 2032-type coin cell composed of Li/PCNI/LiFePO4 was assembled and its cycling profile was analyzed at 0.1 and 1 C rates. A stable cycling was achieved at 1-C rate, which qualifies the membrane for lithium-ion battery applications. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：103 / 109
页数：7
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