High-Defect-Density Graphite for Superior-Performance Aluminum-Ion Batteries with Ultra-Fast Charging and Stable Long Life

Nano-Micro Letters

Jisu Kim¹  Gibaek Lee¹  Michael Ruby Raj¹ 

[1] Advanced Energy Materials Design Lab, School of Chemical Engineering, Yeungnam University, 38541, Gyeongsan, Republic of Korea;

关键词: Surface modification;    Etched graphite;    Cathode materials;    Energy storage;    Aluminum-ion batteries;   

DOI  :  10.1007/s40820-021-00698-0

来源: Springer

【 摘 要 】

tsSurface-modified graphite (acid-treated expanded graphite (AEG)/base-etched graphite (BEG)) displays an abundant micro- to nano-sized pores/defects and exposed edge graphitic site.AEG and BEG exhibit high specific capacity, rate capability and cyclic stability compared with pristine graphite.High defect density of BEG electrode exhibits profound effect on the chloroaluminate anions intercalation kinetics.

【 授权许可】

CC BY