High Capacitance Based on Vacancy Defective Porous Carbon in Ionic Liquid
Shihao Feng,
Qian Zhao,
Junjun Wang
et al.
Abstract:Porous carbons have been extensively studied in electrochemical capacitors (ECs). However, low capacitance remains a limitation due to the electrical double layer (EDL) storage mechanism when porous carbons are used in ionic liquids (ILs) based ECs. Herein, the nitrogen‐derived vacancy defects in porous carbon nanospheres are found which can boost capacitive charge storage and present reversible high capacitance of 427 F g−1 in pure IL electrolyte, equal to a normalized area capacitance (CA) of 16 µF cm−2, sur… Show more
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