聚阴离子型二次离子电池正极材料研究进展
Recent development of polyanionic cathodes for second ion batteries
聚阴离子型二次离子电池正极材料研究进展 |
| 闫琦, 兰元其, 姚文娇, 唐永炳 |
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Recent development of polyanionic cathodes for second ion batteries |
| Qi YAN, Yuanqi LAN, Wenjiao YAO, Yongbing TANG |
| 图4 (a) Na2Fe2(SO4)3晶胞结构示意图；(b) Na2Fe2(SO4)3半电池在0.05 C电流密度下前五圈充放电曲线；(c) Na2Fe2(SO4)3半电池前30圈在不同电流密度下的循环性能曲线；(d) 密度泛函理论计算的钠离子迁移活化能图[ |
| Fig. 4 (a) crystal structure of Na2Fe2(SO4)3; (b) charge and dis-charge curve of the first five cycles of Na2Fe2(SO4)3 at a rate of C/20; (c) capacity retention upon cycling up to 30 cycles under various rate of C/20 to 20C; (d) Migration activation energy of Na-ion calculated with DFT[ |
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