以普通活性炭为基材,用Co(NO3)2溶液浸渍和高温热解法制备改性炭材料.采用循环伏安、恒流充放电、漏电流测试等电化学方法研究了由改性炭电极构成的电化学电容器的性能.结果显示虽然改性炭的比表面积比原炭有所下降,但是比电容却显著增加,从130.1 F/g增加到198.8 F/g,提高了52.8%;其相应的体积比电容高达136.9 F/cm3.
参考文献
| [1] | Faggioli E;Rena P;Danel V et al.Supercapacitors for energy management of electric vehicles[J].Journal of Power Sources,1999,84:261-269. |
| [2] | 刘玲,孟庆函.体型酚醛树脂复合活性炭电极的制备及性能研究[J].炭素技术,2005(02):9-11. |
| [3] | 吴海芳,胡中华.活性炭纤维制备双电层电容器[J].炭素技术,2004(01):12-16. |
| [4] | Zheng J P;Jow T R .High energy high power density electrochemical capacitors[J].Journal of Power Sources,1996,62(01):155-159. |
| [5] | 王晓峰,王大志,梁吉,刘庆国.氧化钌/活性炭超电容器复合电极的电化学行为[J].物理化学学报,2002(08):750-753. |
| [6] | Qu D Y;Shi H .Studies of activated carbons used in double-layer capacitors[J].Journal of Power Sources,1998,74:99-107. |
| [7] | Endo M.;Kim YJ.;Ohta H.;Ishii K.;Inoue T.;Hayashi T.;Nishimura Y. Maeda T.;Dresselhaus MS. .Morphology and organic EDLC applications of chemically activated AR-resin-based carbons[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(14):2613-2626. |
| [8] | Mu J;Perlmutter D D .Thermal decomposition of metal nitrates and their hydrates thermochim[J].Acta,1982,56(03):253. |
| [9] | Kim JH.;Babushok VI.;Germer TA.;Mulholland GW.;Ehrman SH. .Cosolvent-assisted spray pyrolysis for the generation of metal particles[J].Journal of Materials Research,2003(7):1614-1622. |
| [10] | 遇桂春,徐继芬.电化学双电层电容器的研制[J].电子元件与材料,2002(08):19-21. |
| [11] | 孟庆函,刘玲,宋怀河,凌立成.金属Mn/活性炭电极材料电化学性能的研究[J].功能材料,2004(02):209-211. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%