| 摘要 |
PURPOSE:To make it possible to obtain a secondary cell with the improvement in its cycle life, self-discharge and voltage constancy during discharging by using the comprised material of an organic solvent, a supporting electrolyte and a specified thiophene compound as the electrolytic solution of the secondary cell using an acetylene high polymer as its positive electrode or both electrodes of its positive and negative one. CONSTITUTION:The comprised material of an organic solvent, a supporting electrolyte and a thiophene compound as shown in the printed general constitutional formula is used as the electrolytic solution of a secondary cell using an acetylene high polymer as its positive electrode or both electrodes of its positive and negative one. However, R in the formula is an alkyl group whose carbon numbers are below 5, n is a fixed value at 0.1 or 2. As the said thiophene compound for example, thiophene, 3-methylthiophene, 3, 3'-dimethyl-thiophene, 3-ethyl- thiophene, 3, 3'-diethyl-thiophene and so forth is used, and whose addition amount is preferable in the range of 0.1-10g correspond to 100g of the acetylene high polymer of the positive electrode. |
