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Kim, K.-S.*; Tojigamori, Takeshi*; Suzuki, Kota*; Taminato, So*; Tamura, Kazuhisa; Mizuki, Junichiro; Hirayama, Masaaki*; Kanno, Ryoji*
Denki Kagaku Oyobi Kogyo Butsuri Kagaku, 80(10), p.800 - 803, 2012/10
Times Cited Count:12 Percentile:29.96(Electrochemistry)Electrochemical properties and structure changes of nano-sized LiTiO during lithium (de)intercalation wereinvestigated using a two-dimensional thin film electrode. LiTiO thin films were deposited on a Nb:SrTiO(110)substrate by a pulsed laser deposition technique. In situ X-ray diffraction measurements clarified the drastic structural changes of the LiTiOfilm upon soaking in the electrolyte and during the first intercalation and deintercalation processes. The surfaceregion of LiTiO had a different structure from the bulk during electrochemical cycling and could cause the nanosizedLiTiO electrodes to have high capacities and poor stabilities.