All Solid-State Lithium Batteries Assembled with Hybrid Solid Electrolytes

Title
All Solid-State Lithium Batteries Assembled with Hybrid Solid Electrolytes
Authors
김동원
Keywords
CONDUCTING GLASS-CERAMICS; POLYMER ELECTROLYTES; ION BATTERIES; ELECTROCHEMICAL PROPERTIES; COMPOSITE ELECTROLYTES; PHOSPHATE; LI1.5AL0.5GE1.5(PO4)(3); PERFORMANCE; CHALLENGES; INTERFACE
Issue Date
2015-04
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v. 162, NO 4, Page. 704-710
Abstract
The solvent-free hybrid solid electrolytes composed of lithium aluminum germanium phosphate (LAGP) and poly(ethylene oxide) (PEO) were prepared in the form of flexible film, and their electrochemical characteristics were investigated. The addition of ion-conductive LAGP powder into PEO-based solid polymer electrolyte improved the electrical and mechanical properties of solid electrolytes. For the hybrid solid electrolytes examined in this study, the optimum composition of LAGP was found to be about 60 similar to 80 wt% in consideration of ionic conductivity, mechanical stability and formability for flexible thin film. The all solid-state Li/LiFePO4 cell assembled with hybrid solid electrolyte delivered an initial discharge capacity of 137.6 mAh g(-1) and exhibited good cycling stability at 55 degrees C. (C) 2015 The Electrochemical Society. All rights reserved.
URI
http://jes.ecsdl.org/content/162/4/A704http://hdl.handle.net/20.500.11754/23861
ISSN
0013-4651; 1945-7111
DOI
http://dx.doi.org/10.1149/2.0731504jes
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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