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Novel copper redox-based cathode materials for room-temperature sodium-ion batteries 被引量：9

Novel copper redox-based cathode materials for room-temperature sodium-ion batteries
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摘要 Layered oxides of P2-type Nao.68Cuo.34Mno.6602, P2-type Nao.68Cuo.34Mno.50Tio.1602, and O＇3-type NaCuo.67Sbo.3302 were synthesized and evaluated as cathode materials for room-temperature sodium-ion batteries. The first two materials can deliver a capacity of around 70 mAh/g. The Cu2＋ is oxidized to Cu3＋ during charging, and the Cu3＋ goes back to Cu2＋ upon discharging. This is the first demonstration of the highly reversible change of the redox couple of Cu2＋/Cu3＋ with high storage potential in secondary batteries. Layered oxides of P2-type Nao.68Cuo.34Mno.6602, P2-type Nao.68Cuo.34Mno.50Tio.1602, and O＇3-type NaCuo.67Sbo.3302 were synthesized and evaluated as cathode materials for room-temperature sodium-ion batteries. The first two materials can deliver a capacity of around 70 mAh/g. The Cu2＋ is oxidized to Cu3＋ during charging, and the Cu3＋ goes back to Cu2＋ upon discharging. This is the first demonstration of the highly reversible change of the redox couple of Cu2＋/Cu3＋ with high storage potential in secondary batteries.
作者 徐淑银 吴晓燕 李云明 胡勇胜 陈立泉
机构地区 Beijing National Laboratory for Condensed Matter Physics
出处 《Chinese Physics B》 SCIE EI CAS CSCD 2014年第11期107-110,共4页 中国物理B（英文版）
基金 supported by the National Natural Science Foundation of China(Grant Nos.51222210 and 11234013) the One Hundred Talent Project of the Chinese Academy of Sciences
关键词 energy storage sodium-ion battery CATHODE copper redox energy storage, sodium-ion battery, cathode, copper redox
分类号 TM912 [电气工程—电力电子与电力传动]
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参考文献33

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同被引文献146

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引证文献9

二级引证文献71

Chinese Physics B
2014年 第11期

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