Abstract
Spinel-LiMn2O4 thin films were fabricated on stainless steel substrate by the r.f.-sputtering method. They were annealed within the range 400–700 °C for 1 h in O2 and their electrochemical performance was compared to that of as-deposited film. The thin films were characterized by X-ray diffractometry and electron spectroscopy for chemical analysis (ESCA). Charge–discharge tests were carried out in an LiClO4/propylene carbonate solution. The films heat-treated at 400–700 °C exhibited excellent cyclability over a wide potential region from 2.0 to 4.3 V vs Li/Li+.
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Komaba, S., Kumagai, N., Baba, M. et al. Preparation of Li–Mn–O thin films by r.f.-sputtering method and its application to rechargeable batteries. Journal of Applied Electrochemistry 30, 1179–1182 (2000). https://doi.org/10.1023/A:1004047614084
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DOI: https://doi.org/10.1023/A:1004047614084