Sodium-Ion Hard Carbon Anode

Ether-Based Electrolyte Boost

Elucidates the Na storage mechanism behind superior hard carbon performance in ether electrolytes, where intercalated Na forms a stable SEI film enhancing performance.

Liu, Guiyu · Wang, Zhiqiang · Yuan, Huimin · Yan, Chunliu · Hao, Rui · Zhang, Fangchang · Luo, Wen · Hongzhi, Wang · Cao, Yulin · Gu, Shuai · Zeng, Chun · Li, Yingzhi · Wang, Zhenyu · Qin, Ning · Luo, Guangfu · Lu, Zhouguang

Advanced Science 2023

Advantages

Superior initial Coulombic efficiency

Superior cycling durability

Superior rate capability