Journal
ELECTROCHIMICA ACTA
Volume 199, Issue -, Pages 126-132Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.03.143
Keywords
Sputtering; Solid electrolyte; Ionic conductivity; Lithium-Oxygen battery; Specific capacity
Categories
Funding
- Energy Efficiency & Resources Core Technology Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP)
- MOTIE, Korea [20112020100110/KIER B4-2462]
- National Research Foundation of Korea (NRF) grant - MOE, Korea [2012R1A1A2005977]
- National Research Foundation of Korea [2013R1A1A2060638, 2012R1A1A2005977] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Lithium ion conducting membranes are barely studied, although they are essentially indispensable for building Li-air batteries composed of aqueous and non-aqueous electrolytes for long-term operation. Lithium phosphorous oxynitride (LiPON) thin films were deposited by RF-sputtering technique on B2O3-added lithium aluminum germanium phosphate (B-LAGP). Compact thin amorphous LiPON layer could act as a protective interlayer for B-LAGP by separating it from Li metal electrode and mitigate the reaction between them. Large electrochemical stability window (0-5 V) of LiPON/B-LAGP solid electrolyte shows promising feasibility for applications in all lithium based batteries. The aprotic Li-O-2 cell with protected lithium electrode configuration employing LiPON/B-LAGP solid electrolyte has exhibited reasonable cycling stability with long-life of 52 cycles at a limited capacity of 1000 mA h g(-1). (C) 2016 Elsevier Ltd. All rights reserved.
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