Pomegranate rind-derived activated carbon as electrode material for high-performance supercapacitors |
| |
Authors: | Furong Qin Kai Zhang Jie Li Yanqing Lai Hai Lu Wenwen Liu Fan Yu Xiaoke Lei Jing Fang |
| |
Affiliation: | 1.School of Metallurgy and Environment,Central South University,Changsha,China |
| |
Abstract: | In this paper, activated carbon materials were synthesized from pomegranate rind through carbonization and alkaline activation processes. The effects of pyrolytic temperature on the textual properties and electrochemical performance were investigated. The surface area of the activated carbon can reach at least 2200 m2 g?1 at different pyrolytic temperatures. It was found that, at the range of 600–900 °C, decreasing the carbonization temperature leads to the increase of t-plot micropore area, t-plot micropore volume, and capacitance. Further decreasing the carbonization temperature to 500 °C also leads to the increase of t-plot micropore area and t-plot micropore volume, but the capacitance is slightly poorer. The activated carbon carbonized at 600 °C and activated at 800 °C possesses very high specific area (2931 m2 g?1) and exhibits very high capacitance (~268 F g?1 at 0.1 A g?1 and ~242 F g?1 at 1 A g?1). There is no capacitance fading after 2000th cycle. |
| |
Keywords: | |
本文献已被 SpringerLink 等数据库收录! |
|