Charge/discharge characteristics of sulfur composite electrode at different temperature and current density in rechargeable lithium batteries |
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Authors: | Xiangming He Weihua Pu Jianguo Ren Li Wang Jiulin Wang Changyin Jiang Chunrong Wan |
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Institution: | (1) Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084, People’s Republic of China |
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Abstract: | The charge/discharge characteristics of the sulfur composite cathodes were investigated at different temperatures and different
current densities. The composite presented the discharge capacities of 854 and 632 mAh g−1 at 60 and −20 °C, respectively, while it had the discharge capacities of 792 mAh g−1 at 25 °C. The composite presented the discharge capacities of 792 and 604 mAh g−1 at 55.6 and 667 mA g−1, respectively, at room temperature. The results showed that the sulfur composite cathodes presented good charge/discharge
characteristics between 60 and −20 °C and at a high c-rate up to 667 mA g−1. |
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Keywords: | Sulfur composite cathode materials Rechargeable lithium batteries Electrochemical characteristics Temperature Current density |
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