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Evaluation of the Electrochemical Performance of a Lithium-Air Cell Utilizing Diethylene Glycol Diethyl Ether-Based Electrolyte

Title
Evaluation of the Electrochemical Performance of a Lithium-Air Cell Utilizing Diethylene Glycol Diethyl Ether-Based Electrolyte
Author
김동원
Issue Date
2014-06
Publisher
ELECTROCHEMICAL SOC INC, 65 SOUTH MAIN STREET, PENNINGTON, NJ 08534 USA
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY,161(6),p.A856-A862
Abstract
Diethylene glycol diethyl ether (DEGDEE) was evaluated as an electrolyte solvent for a non-aqueous lithium-air cell. An electrolyte solution of 1 M LiTFSI in DEGDEE showed a high ionic conductivity of 4.7 mS cm(-1) at room temperature and considerably high oxidative stability. The full discharge and charge cycles of the lithium-air cells demonstrated that the DEGDEE-based electrolyte provided the unique ability to facilitate the reversible reduction and oxidation processes at the porous carbon electrode without a catalyst. The lithium-air cell employing the DEGDEE-based electrolyte exhibited fairly stable cycling behavior when the carbon loading was 0.5 mg cm(-2) and the depth of discharge of the carbon electrode was limited to 1,000 mAh g(-1). (C) 2014 The Electrochemical Society.
URI
http://jes.ecsdl.org/content/161/6/A856http://hdl.handle.net/20.500.11754/56254
ISSN
0013-4651; 1945-7111
DOI
10.1149/2.022406jes
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CHEMICAL ENGINEERING(화학공학과) > Articles
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