Li4Ti5O12/reduced graphite oxide nano-hybrid material for high rate lithium-ion batteries |
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| Authors: | Hyun-Kyung Kim Seong-Min Bak Kwang-Bum Kim |
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| Institution: | Department of Material Science and Engineering, Yonsei University, 134 Shinchon-dong, Seodaemoon-gu, Seoul 120-749, Republic of Korea |
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| Abstract: | A spinel Li4Ti5O12 nanoplatelet/reduced graphite oxide nano-hybrid was successfully synthesized by a two-step microwave-assisted solvothermal reaction and heat treatment. The Li4Ti5O12 in the hybrid could deliver a discharge capacity of 154 mAhg? 1 of Li4Ti5O12 at 1 C-rate, 128 mAhg-1 of Li4Ti5O12 at 50 C-rate and 101 mAhg-1 of Li4Ti5O12 at 100 C-rate. It demonstrated promising potential as an anode material in a Li-ion battery with excellent rate capability and good cycling. |
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