通过关键词查论文: Electrochemical Kinetics

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作者: Yu Hui Wang, Zhe Li, Kai Zhu, Gang Li, Ying Jin Wei, Gang Chen, Chun Zhong Wang
摘要: The Li[Li0.2Co0.4Mn0.4]O2 cathode material was prepared by a sol-gel method. Combinative X-ray diffraction (XRD) studies showed that the material was a solid solution of LiCoO2 and Li2MnO3. The material showed a reversible discharge capacity of 155.0 mAhg−1 at -20 °C, which is smaller than that at room temperature (245.5 mAhg−1). However, the sample exhibited capacity retention of 96.3 % at -20 °C, only 74.2 % at 25 °C. The good electrochemical cycle performance at low temperature was due to the inexistence of Mn3+ in the material.
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作者: T. Agladze, G. Tsurtsumia, I. Khorbaladze, T. Ekhvaia
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