期刊
JOURNAL OF POWER SOURCES
卷 340, 期 -, 页码 242-246出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2016.11.078
关键词
Electrodeposition; Titania nanotubes; Polymer electrolyte; Porous materials; Li-ion microbatteries
资金
- A*MIDEX project - Investissements d'Avenir French government program [ANR-11-IDEX-0001-02]
We report that electrodeposition of polymer electrolyte in nanostructured electrodes has a strong influence on the electrochemical properties of thin-film Li-ion microbatteries. Electropolymerization of PMMA-PEG (polymethyl methacrylate-polyethylene glycol) was carried out on both the anode (self-supported titania nanotubes) and the cathode (porous LiNi0.5Mn1.5O4) by cyclic voltammetry and the resulting electrode-electrolyte interface was examined by scanning electron microscopy. The electrochemical characterizations performed by galvanostatic experiments reveal that the capacity values obtained at different C-rates are doubled when the electrodes are completely filled by the polymer electrolyte. (C) 2016 Elsevier B.V. All rights reserved.
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