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Novel iodine-doped reduced graphene oxide anode for sodium ion batteries

机译:用于钠离子电池的新型碘掺杂还原氧化石墨烯阳极

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It is reported for the first time that iodine-doped reduced graphene oxide (I-rGO) has been designed as an anode material for sodium ion batteries (SIBs). In comparison to rGO, I-rGO with a high specific surface area exhibits a high reversible capacity (270 mA h g?1 at 50 mA g?1), good long-term cycling performance, with a high capacity of 212 mA h g?1 after 100 cycles, and excellent rate capability. The enhanced performance is due to defect evolution and enlarged layer distance by the doping of iodine atoms.
机译:首次报道碘掺杂的还原氧化石墨烯(I-rGO)已被设计为钠离子电池(SIB)的负极材料。与rGO相比,具有高比表面积的I-rGO具有高可逆容量(在50 mA g ?时为270 mA hg ?1 )。 1 ),良好的长期循环性能,经过100次循环后容量高达212 mA hg ?1 。性能的提高归因于缺陷的发展以及碘原子的掺杂增加了层的距离。

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