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한국전기화학회 한국전기화학회

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Vol.17, No.1, February 2014

Electrochemical Behavior of TiO2 Nanotube/Ti Prepared by Anodizing for Micro-Lithium Ion Batteries
JKES Vol.17, No.1, pp.13-17, February 2014
DOI : 10.5229/JKES.2014.17.1.3
Soo-Gil Park1,*, Jeong-Jin Yang1, Jin-Woo Rho1, Hong-Il Kim2, and Hiroki Habazaki3
1Dept. of Engineering Chemistry, Chungbuk National University, 52 Naesudong-ro, Heungduk-gu, Cheong-ju 361-763, Korea 2PureEchem co. ltd., Chungbuk Cheongju, Korea 3Graduate School of Engineering, Hokkaido University, N13-W8, Sapporo 060-8628, Japan
The TiO2 nanotube/Ti electrode are used as an anode in thin-film lithium microbatteries is known to have high oxidation-reduction potential of 1.8 V (vs. Li/Li+). It can prevent from dendrite growth of lithium during charging. The TiO2 nanotube/Ti electrode was prepared by anodizing at constant voltages for thin-film lithium microbatteries. The capacities of TiO2 nanotube/Ti anode prepared by anodizing at 10 V, 20 V and 30 V were observed to be 23.9 μAh cm?2, 43.1 μAh cm?2 and 74.0 μAh cm?2. We identified it was found that the capacity of TiO2 nanotube/Ti increases with increasing anodizing voltage and the anatase structure of TiO2 nanotube/Ti compared with amorphous structure has batter cycle performance than amorphous TiO2 nanotube/Ti.
Keyword : TiO2, Nanotube, Micro-batteries, Anodizing

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