Formation of TiO2(B) Prepared from Lepidocrocite Type Precursor Containing Potassium
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概要
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A new synthetic route for TiO2(B) via lepidocrocite type KxLiyTi2−(x+y)/4O4 (KLTO) was established. Pure layered titanic acids were obtained by proton exchange of KLTO in 3 mol dm−3 HNO3 and HCl solution. The obtained titanic acid transformed into TiO2(B) phase at 350°C and it was stable up to 450°C. Plate-like morphology particles was formed during proton exchange and transformation process to TiO2(B). TiO2(B) samples with high tapping density (0.9–1.1 g cm−3) was prepared and they delivered discharge capacities of more than 100 mAh g−1 even at 2 C.
著者
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Tanaka Yoshihiro
Department Of Bioengineering And Robotics Graduate School Of Engineering Tohoku University
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Noguchi Hideyuki
Department Of Applied Chemistry Saga University
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Miyazaki Satoshi
Department Of Applied Chemistry Faculty Of Science And Engineering Kinki University
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NOGUCHI Hideyuki
Department of Applies Chemistry, Faculty of Science and Engineering, Saga University
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ZHAO Wenwen
Department of Applies Chemistry, Faculty of Science and Engineering, Saga University
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