燃料化学学报Issue(5)：539-544,6.
双电层电容器用新型无灰煤（HyperCoal）基活性炭的制备
Preparation of HyperCoal-based activated carbons for electric double layer capacitor
摘要
Abstract
Coal-based activated carbons ( ACs ) were prepared from HyperCoal using KOH and CaCO3 as activating agent, and were used as electrode materials for electric double layer capacitor ( EDLC ) using 0.5 mol/L TEABF4/PC as the electrolytic solution.The porosity of the ACs was characterized using N2 adsorption at 77 K.The effects of carbonization temperature, actvi ation temperature, actvia tion time na d activta ing agent on the ac pacitacn e characteristic of ACsw ere investigated.The results show thta the specific sru face area and the specific capacitance decreased with the increase of carbonizatino temperature.A high activation temperature and a long activation time is not beneficial for the specific capacitance of EDLC.CaCO3 sgi nificantly inhibited the porosity development during KOH activation and gave ACs with quite low specific surface area andsp ecific capacitance.The ACs prepared at carbonization temperature of 500 ℃, activation temperature of 800 ℃,K OH/char ratio of 4 and atc ivta ion time of 2 hr eached a specific surface area of 2 540 m2/g and a total pore volume of 1.65 cm3/g and achieved the mxa imum specificc apacitance of 46.0 F/g.关键词
无灰煤/双电层电容器/活性炭/比表面积/电容Key words
HyperCoal/EDLC/activated carbon/spce ific surface area/ac ap citan ce分类
化学化工引用本文复制引用
黄珊珊,赵小燕,谢凤梅,曹景沛,魏贤勇,宝田恭之..双电层电容器用新型无灰煤（HyperCoal）基活性炭的制备[J].燃料化学学报,2014,(5):539-544,6.基金项目
国家自然科学基金（21206189，21306224）；中日战略合作项目（2013DFG60060）；中国矿业大学青年科技基金（2012QNA18）。 （）
