Exploration of NbSe2 Flakes as Reversible Host Materials for Sodium‐Ion and Potassium‐Ion Batteries,ChemistrySelect

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Exploration of NbSe2 Flakes as Reversible Host Materials for Sodium‐Ion and Potassium‐Ion Batteries
ChemistrySelect ( IF 1.9 ) Pub Date : 2018-09-11 , DOI: 10.1002/slct.201801692
Yushan Luo ₁ , Jin Han ₁ , Qianru Ma ₁ , Renming Zhan ₁ , Youquan Zhang ₁ , Qiuju Xu ₁ , Maowen Xu ₁

Affiliation

Transition metal dichalcogenides have captured much attention in recent years. NbSe₂, as one of transition metal dichalcogenides, has been explored as electrode materials for sodium‐ion and potassium‐ion batteries and delivered a high reversible electrochemical performance. Flakes NbSe₂ electrode materials deliver a discharge capacity of 115 mA h g^‐1 for sodium‐Ions batteries and 95 mA h g^‐1 at 25 mA g^‐1 for potassium‐Ions batteries in the first cycle respectively, with high coulomb efficiency. In addition, the phase transformation process of NbSe₂ has been investigated by ex‐situ XRD during Na‐insertion/extraction processes.

中文翻译：

NbSe2薄片作为钠离子和钾离子电池的可逆基质材料的探索

近年来，过渡金属二卤化物已引起广泛关注。NbSe ₂作为过渡金属二卤化物之一，已被用作钠离子和钾离子电池的电极材料，并具有很高的可逆电化学性能。片状NbSe ₂电极材料在第一个循环中对钠离子电池的放电容量分别为115 mA h g ^-1和25 mA g ^-1的95 mA h g ^-1（对于钾离子电池），具有很高的库仑效率。此外，在Na插入/萃取过程中，通过异位XRD研究了NbSe ₂的相变过程。

更新日期：2018-09-11

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