Hard carbon derived for lignin with robust and low-potential sodium ion storage

Minghao Chen,Fenqiang Luo,Yongchao Liao,Chaoran Liu,Dawei Xu,Zhuang Wang, Qian Liu,Duo Wang,Yueyuan Ye,Shuirong Li,Dechao Wang,Zhifeng Zheng

Journal of Electroanalytical Chemistry（2022）

Cited 10|Views12

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Abstract

•LDHC with novel brick structure was prepared by using lignin as feedstock.•The relationship of LDHC material structure and carbonization temperature was studied.•The storage mechanism of Na+ in LDHC were verified.•LDHC exhibits outstanding cycling stability with specific capacity being 303 mA h g−1.•LDHC-1600 exhibits high initial coulombic efficiency (81.2 %) and excellent specific capacity (226.5 mA h g−1) at low potential plateau.

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Key words

Sodium ion batteries,Lignin,Hard carbon,Anode Low-potential plateau

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