Insights into the Mixed Oxide Thin Film Cathodes of LiCoO₂, LiMn₂O₄ and TiO₂ Deposited from Powder Target.
| Autor: | Yellareswara Rao K; Department of Physics, Vignan's Institute of Information Technology, Visakhapatnam 530049, India., Shaik H; Center for Nano Materials and Micro-Electromechanical System, Nitte Meenakshi Institute of Technology, Yelahanka, Bangalore 560064, India., Mohan Rao G; Department of Instrumentation and Applied Physics, Indian Institute of Science, Bangalore 560012, India. |
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| Jazyk: | angličtina |
| Zdroj: | Journal of nanoscience and nanotechnology [J Nanosci Nanotechnol] 2020 Jun 01; Vol. 20 (6), pp. 3762-3769. |
| DOI: | 10.1166/jnn.2020.17678 |
| Abstrakt: | The present work describes the preparation of mixed oxide powder target of LiCoO₂, LiMn₂O₄ and preparation of thin films. Electrochemical investigations have been carried out in the potential range 2.0-4.3 V with respect to Li. There after TiO₂ mesoporous (2-50 nm) powder was also added to the above composition and deposited thin films. XRD, XPS and electrochemical characterisation have been carried out for thin film cathodes. The potential window as well as discharge capacity enhanced after TiO₂ doping to the mixed oxide target of LiCoO₂ and LiMn₂O₄. Electrochemical characterization have been carried out in potential range 1.4-4.5 V, delivered a discharge capacity of 137 μ Ah μ m -1 cm -2 . The deposited cathode thin films will be a good choice as electrodes for high voltage solid state batteries. |
| Databáze: | MEDLINE |
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