摘要
以四羟甲基甘脲为碳前驱体,采用KOH活化法处理得到双电层电容器用多孔活性炭材料。考察了不同碳化、活化温度对活性炭比电容的影响。结果表明,在850℃碳化,650℃活化处理时其电容性能最好,SEM和比表面与孔径分布测试说明TA-850-650表面富集微孔;恒流充放电与循环伏安测试结果表明TA-850-650的比电容在电流密度为0.2A/g时可达527F/g。
The porous carbon,prepared from tetramethylol acetylenediurea by activation of KOH,were applied in electric double-layer capacitor（EDLC）.The carbonization and activated temperature had a significant influence both on porosity structure and electrochemical performances.Results showed that the micropores enriched on the surface of TA-850-650.The specific capacitance of TA-850-650 could reach 527F/g at 0.2A/g.
作者
黄凯兵
杨秀文
王智健
姚异渊
HUANG Kaibing YANG Xiuwen WANG Zhijian YAO Yiyuan(College of Material Science and Engineering, Hunan University, Changsha 410082)
出处
《材料导报》
EI
CAS
CSCD
北大核心
2017年第4期30-35,共6页
Materials Reports
关键词
四羟甲基甘脲
双电层电容器
活化温度
微孔
比电容
tetramethylol acetylenediurea
electric double-layer capacitor（EDLC）
activated temperature
micro-porosity
specific capacitance
