Evaluation of the Electrochemical Performance of a Lithium-Air Cell Utilizing Diethylene Glycol Diethyl Ether-Based Electrolyte
- Authors
- Han, Sang-Min; Kim, Jae-Hong; Kim, Dong-Won
- Issue Date
- Apr-2014
- Publisher
- ELECTROCHEMICAL SOC INC
- Citation
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.161, no.6, pp.A856 - A862
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY
- Volume
- 161
- Number
- 6
- Start Page
- A856
- End Page
- A862
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/160255
- DOI
- 10.1149/2.022406jes
- ISSN
- 0013-4651
- 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).
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