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Lithium-Ion Cells Assembled with Flexible Hybrid Membrane Containing Li+-Conducting Lithium Aluminum Germanium Phosphate

Title
Lithium-Ion Cells Assembled with Flexible Hybrid Membrane Containing Li+-Conducting Lithium Aluminum Germanium Phosphate
Author
김동원
Keywords
POROUS POLYMER ELECTROLYTE; GLASS-CERAMICS; THERMAL-STABILITY; SOLID ELECTROLYTES; PHASE INVERSION; ENERGY-STORAGE; BATTERIES; PERFORMANCE; SEPARATORS; TEMPERATURE
Issue Date
2016-03
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v. 163, NO 6, Page. 974-980
Abstract
Hybrid membranes composed of 90 wt% Li+-conducting inorganic electrolyte (lithium aluminum germanium phosphate, LAGP) and 10 wt% poly(vinylidene fluoride-co-hexafluoropropylene) (P(VdF-co-HFP)) polymer were prepared in the form of a flexible thin film and directly formed on the as-prepared negative electrode. The lithium-ion cells assembled with the hybrid membrane exhibited superior cycling performance in terms of discharge capacity, capacity retention, rate capability and high temperature cycling stability, as compared to the cell with polypropylene separator and liquid electrolyte. The use of hybrid membranes allowed improve thermal properties compared to conventional polyolefin separator and use less amount of flammable liquid electrolyte, resulting in enhancement of thermal safety of the cell. (C) The Author(s) 2016. Published by ECS. All rights reserved.
URI
http://jes.ecsdl.org/content/163/6/A974http://hdl.handle.net/20.500.11754/34919
ISSN
0013-4651; 1945-7111
DOI
10.1149/2.0831606jes
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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