Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 93, Issue 3, Pages 711-716Publisher
SPRINGER
DOI: 10.1007/s00339-008-4701-1
Keywords
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Funding
- Materials and Batteries Groups
- Swiss National Science Foundation
- Paul Scherrer Institut
- ESF (DYNA program)
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Li-Mn-O thin films were deposited by pulsed laser deposition (PLD) onto stainless steel substrates using targets containing different concentrations of added Li2O. The influence of the target composition on the stoichiometry of the resulting thin films, the surface morphology and the electrochemical properties was studied. The application of the target with added 7.5 mol% Li2O results in an almost ideal lithium content, while all films were still oxygen deficient. The thin films were applied as electrodes in Li//Li1+xMn2O4-delta cells (i.e. model cells for a rechargeable Li-ion battery) and characterized by cyclic voltammetry and galvanostatic charge/discharge experiments. The electrochemical measurements of the thin films confirmed that the thin films can serve as good model systems and that they show a sufficient cyclability.
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