Low-temperature phase of Li2FeSiO4: crystal structure and a preliminary study of electrochemical behavior |
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| Authors: | Yabuuchi Naoaki Yamakawa Yuto Yoshii Kazuhiro Komaba Shinichi |
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| Institution: | Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku, Tokyo 162-8601, Japan. |
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| Abstract: | A nearly single-phase of a low-temperature (LT) phase of Li(2)FeSiO(4) is prepared by a hydrothermal method at 150 °C. We report the detailed crystal structure of LT-Li(2)FeSiO(4) (S.G. Pmn2(1)) by applying Rietveld/MEM analysis to the synchrotron XRD pattern. LT-Li(2)FeSiO(4) shows 150 mA h g(-1) as the positive electrode materials of rechargeable batteries. |
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