PAn/DMcT复合膜电极的氧化还原峰电位差和电化学阻抗比DMcT的小得多,这表明PAn对DMcT具有电催化性能,使DMcT的氧化还原反应速度大大提高.而且DMcT使几乎所有的PAn都能保持电化学活性,复合膜电极的CV曲线经过100次循环几乎没有变化.PAn/DMcT复合膜电极的首次充放电比容量分别为275mAh·g-1和200mAh·g-1,首次充放电效率为72.7%.和粉末混合法制备的复合膜相比,溶液法制备的PAn/DMcT复合膜电极具有较高的放电比容量和优良的循环稳定性.
参考文献
[1] | Visco S J;Mailhe C C;De Jonghe L C et al.A Novel Class of Orgaosulfur Electrodes for Energy Storage[J].Journal of the Electrochemical Society,1989,136:661. |
[2] | Marmorstein D;Yu T H .Electrochemical performance of lithium/sulfur cells with three different polymer electrode[J].Journal of Power Sources,2000,89:219. |
[3] | Uemachi H;Iwasa Y;Mitani T .Poly(1,4-phenylene-1,2,-dithiazol-3',5'-yl):the new redox system for lithium secondary batteries[J].Electrochimica Acta,2001,46:230. |
[4] | Naoi K;Menda M .An enhanced redox process of disulfide compounds at polyaniline film electrode[J].Journal of Electroanalytical Chemistry,1991,318:395. |
[5] | Oyama N;Tatsuma T .Dimercaptan-polyaniline composite electrodes for lithium batteries with high energy density[J].NATURE,1995,373:598. |
[6] | Kaminaga A;Tatsuma T .Reactivation and Reduction of Electrochemically Inactivated Polyaniline by 2, 5- Dimercapto-1, 3, 4-thiadiazole[J].Journal of the Electrochemical Society,1995,142:L47. |
[7] | TATSUMA T;Matsui H et al.Reverible electron tranfer reation between polyaniline and thiol/disulfide couples[J].Journal of Physical Chemistry,1996,100:14016. |
[8] | MacDIARMID AG;Chiang J C;Richter A F.Conducting Polymers, Alcacer Led[M].Reidel Publishing,Dordrecht,The Netherlands,1986:105. |
[9] | Daifuku H;Kawagoe T .A study of the redox reaction mechanisms of polyaniline using a quartz crystal microbal ance[J].Journal of Electroanalytical Chemistry,1989,274:313. |
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