The development of new energy storage devices has been gaining momentum in the wake of the energy crisis faced worldwide. New materials have been tried and tested and efforts have been made to implement these materials to the commercial arena. Conducting polymers have been used and new polymeric structures have been designed in this respect. Here, we have modified styrene maleic anhydride (SMA) copolymer with two different moieties, i.e. 2-amino-5-mercapto-1,3,4-thiadiazole (AMT) and 4,4-diaminodiphenylmethane (DDM) with an aim to study their electrochemical characteristics in details. The modifications were expected to greatly improve the electrochemical performance of an otherwise feebly conducting polymer. Both the modified copolymers were characterised using UV-visible and FTIR spectroscopic techniques and scanning electron microscopy. Their electrochemical properties were studied using cyclic voltammetry, chronopotentiometry and AC impedance techniques. These materials exhibited a significant enhancement in their specific capacitance when compared with SMA. SMA represents a specific capacitance of 24.5 F g⁻¹ whereas AMT-modified copolymer SMA-1 exhibited a specific capacitance of 149 F g⁻¹ and DDM-modified copolymer SMA-2 exhibited a specific capacitance of 124.45 F g⁻¹. Thus, the results clearly indicated a considerable increase in the values of capacitance of SMA after the modification was performed.

在全球面临能源危机之后，新储能设备的开发势头正劲。已经尝试并测试了新材料，并已做出努力将这些材料应用于商业领域。在这方面，已经使用了导电聚合物并且已经设计了新的聚合物结构。在这里，我们研究了具有两个不同部分的改性苯乙烯马来酸酐（SMA）共聚物，即2-氨基-5-巯基-1,3,4-噻二唑（AMT）和4,4-二氨基二苯甲烷（DDM）它们的电化学特性详细。预期这些修饰将大大改善否则导电性较差的聚合物的电化学性能。两种改性共聚物均使用紫外可见光谱和FTIR光谱技术以及扫描电子显微镜进行表征。使用循环伏安法，计时电位法和交流阻抗技术研究了它们的电化学性能。与SMA相比，这些材料的比电容显着提高。SMA表示24.5 F g的比电容^-1，而AMT改性的共聚物SMA-1的比电容为149 F g ^-1，而DDM改性的共聚物SMA-2的比电容为124.45 F g ^-1。因此，结果清楚地表明，在进行改性之后，SMA的电容值显着增加。