Anodes for SIBs! Co₉S₈ containing 5.5 wt % Co (Co₉S₈/Co) is prepared using a solid-state reaction and used as an anode electrode for sodium-ion batteries. The electrochemical properties of the material are studied in carbonate- and ether-based electrolytes (EBE). The material has a longer cycle life and better rate capability in EBE, which is attributed to a low apparent activation energy and a low overpotential for Na deposition in EBE.

中文翻译：

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Co9S8 / Co作为带有醚基电解质的钠离子电池的高性能阳极

SIB的阳极！共₉小号₈含有5.5重量％的Co（钴₉小号₈ / Co）的使用的固态反应制备并用作钠离子电池的阳极电极。在碳酸盐和醚基电解质（EBE）中研究了该材料的电化学性能。该材料在EBE中具有更长的循环寿命和更好的速率能力，这归因于EBE中的表观活化能低和Na沉积的过电位低。