Abstract
Thin layer electrodes (200–500 nm) of highly organized nanotextured anatase were prepared by hydrolysis of TiCl4 in the presence of poly(alkylene oxide) block copolymer, Pluronic P-123, acting as a structure-directing agent. Electrochemical insertion of Li was studied in LiN(CF3SO2)2 + ethylene carbonate + dimethoxyethane. Cyclic voltammograms of these electrodes showed unusual occurrence of two pairs of cathodic/anodic peaks at 1.5 and 1.6 V vs. Li/Li+. These peaks can serve as indicators of structural perfection of the mesoscopic skeleton; they diminish after mechanical or thermal destruction of the organized nanotexture.
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