期刊
SOLID STATE IONICS
卷 289, 期 -, 页码 72-76出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ssi.2016.03.003
关键词
-
资金
- Grants-in-Aid for Scientific Research [15H01053] Funding Source: KAKEN
The electrochemical performance of an all -solid-state lithium-oxygen battery was examined using a platinum patterned electrode with a lithium conducting solid electrolyte under a humidified O-2 atmosphere. The cell consisted of a lithium metal anode, a protective layer of polyethylene oxide with Li(CF3SO2)(2)N, a lithium conducting solid electrolyte of Li1 + x + yAlx(Ge,Ti)(2 - x)SiyP3 - yO12, and a sputtered platinum stripe-patterned air electrode. The open circuit voltage (OCV) of the virgin cell was 3.5 V under humidified O-2 and decreased to 3.2 V after slight discharge, which is comparable with that under dry O-2 (2.4 V). The cell was successfully discharged and charged at 0.1 mA cm(-2) and 60 degrees C. A reaction product was observed on the platinum electrode; however, it could not be identified by X-ray diffraction analysis or Raman spectroscopy, which indicated it was amorphous. Nano-secondary ion mass spectrometry (SIMS) analysis suggested that the reaction product contains Li, H, and O. (C) 2016 Elsevier B.V. All rights reserved.
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