物理化学学报2011,Vol.27Issue(12):2836-2840,5.DOI:10.3866/PKU.WHXB20112836
花生壳制备微孔炭及其在电化学超级电容器中的应用
Preparation and Characterization of Peanut Shell-Based Microporous Carbons as Electrode Materials for Supercapacitors
摘要
Abstract
Microporous carbons (PSC-1 and PSC-2) were obtained directly by the carbonization of peanut shells without and with NaOH solution pretreatment, respectively. Both samples have a main pore voltammograms (CVs) of the PSC-1 and PSC-2 electrodes and the symmetrical supercapacitors show almost rectangular shape indicating excellent capacitance features. The specific capacitances of PSC-1 system using porous carbon as the working electrode, a platinum electrode as the counter electrode and a Ag/AgCl electrode as the reference electrode. Furthermore, the electrodes in both three-electrode systems and supercapacitors show high stability and capacitance retainability after 1000 cycles. The formation mechanisms for the two microporous carbons and the relationship between the carbon materials and their electrochemical properties are discussed based on the experimental results.关键词
超级电容器/电极/微孔炭/花生壳/电容Key words
Supercapacitor/Electrode/Microporous carbon/Peanut shell/Capacitance分类
化学化工引用本文复制引用
郭培志,季倩倩,张丽莉,赵善玉,赵修松..花生壳制备微孔炭及其在电化学超级电容器中的应用[J].物理化学学报,2011,27(12):2836-2840,5.基金项目
国家自然科学基金(20803037,21143006),青岛市应用基础研究项目(11-2-4-2-(8)-jch)和"泰山学者"计划资助 (20803037,21143006)