通过微波法,以KOH、NaOH为活化剂,分别按照不同的比例对活性炭进行改性.对改性后的活性炭进行循环伏安、恒流充放电、交流阻抗等电化学性能的测试.结果表明,两组活性炭的质量比电容均随着活化剂用量的增加先增加后减小,电阻均随着活化剂用量的增加而增加.相比KOH而言,NaOH改性的活性碳质量比电容更大,电阻更小,有更好的电化学性能.
参考文献
| [1] | Teng H;Lin H C .Declining morbidity and mortality among patients with advanced human immunodeficiency virus infection[J].Institution of Chemical Engineers,1998,44(05):1170. |
| [2] | 金钦汉;戴树珊;黄卡玛.微波化学[M].北京:科学出版社,1999 |
| [3] | He Xiaojun;Geng Yejing;Qiu Jieshang et al.Influence of KOH/Coke mass ratio on properties of activated carbons made by microwave-assisted activation for electric doublelayer capacitors[J].Energy & Fuels,2010,24(06):3603. |
| [4] | Saeid Azizian .Kinetic models of sorption:a theoretical analysis[J].Journal of Colloid and Interface Science,2004(1):47-52. |
| [5] | Lozano-Castello D;Lillo-Rodenas M A .Preparation of activated carbons from Spanish anthracite:Activation by KOH[J].CARBO,2001,39(05):741. |
| [6] | Hsisheng Teng;Li-Yeh Hsu .High-Porosity Carbons Prepared from Bituminous Coal with Potassium Hydroxide Activation[J].Industrial & Engineering Chemistry Research,1999(8):2947-2953. |
| [7] | Lillo-Rodenas M A;Lozano-Castello D;Cazorla-Amoros D .Preparation of activated carbons from Spanish anthracite:Activation by NaOH[J].CARBO,2001,39(05):751. |
| [8] | Hayashi J;Watkinson A P;Teo K C et al.Production of activated carbon from Canadian coal by chemical activation[J].Coal Sci,1995,1:1121. |
| [9] | Diaz-Teran J;Nevskaia D M;Fierro J L G et al.Study of chemical activation process of a lignocellulosic material with KOH by XPS and XRD[J].Microporous and Mesoporous Materials,2003,60(1-3):173. |
| [10] | M.A. Lillo-Rodenas;D. Cazorla-Amoros;A. Linares-Solano .Understanding chemical reactions between carbons and NaOH and KOH An insight into the chemical activation mechanism[J].Carbon: An International Journal Sponsored by the American Carbon Society,2003(2):267-275. |
| [11] | Lillo-Rodenas M A;Cazorla-Amoros D;Linares-Solano A et al.Study of activated carbons prepared by alkali hydroxide activation of anthracite[J].CARBO,2004,42(07):1305. |
| [12] | Silvia Roldan;Isabel Villar;Vanesa Ruiz;Clara Blanco;Marcos Granda;Rosa Menendez;Ricardo Santamaria .Comparison between Electrochemical Capacitors Based on NaOH- and KOH-Activated Carbons[J].Energy & Fuels,2010(May/Jun.):3422-3428. |
| [13] | 杨乐之,梁逵,杨辉.微波法制备的高比电容多孔炭的微结构[J].电池,2008(06):372-373. |
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