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황태연,김희진,윤종원,허훈 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.1
Recently, a lot of research on electric car and ESS has been being conducted to utilize a energy efficiently due to environmental regulations. It is required to use new materials with high stability and capacity as an anode of Li-ion batteries replacing graphite. TiO<sub>2</sub> has a theoretical capacity of 335mAhg<sup>-1</sup>, good cycle life with low volume expansion. SiO<sub>2</sub> can be improved cycling stability compared to Si result from volume expansion during charge/discharge. CNT has a high conductivity. It can be possible to improve a relatively low theoretical capacity whereas materials have a good cycle performance. In this study, we made SiO<sub>2</sub>-TiO<sub>2</sub>-MWCNT composites for anode materials of Li-ion batteries. After preparing a sol using TEOS/TTIP as a precursor, we added a MWCNTCOOH with different ratio. We analyzed crystalline and structure by XRD and XPS. Finally, electrochemical performance was measured using battery test system and potentiostat/EIS system.