| 摘要 |
PURPOSE:To obtain an electric double layer capacitor whose characteristic is stable at a high temperature by adding a radical-capturing agent to a solute in order to enhance the breakdown strength. CONSTITUTION:When an organic solvent is decomposed, it is oxidized, an ion is produced and a radical is generated; when a radical-capturing agent is added to the organic solvent at this stage, it is possible to restrain the radical from increasing and to prevent the organic solvent from being decomposed like an avalanche. When the radical-capturing agent to be added is set to 10 or lower against 100 of the organic solvent, it is possible to effectively prevent the solvent from being decomposed. By this setup, this capacitor can have the high breakdown strength and can become comparatively stable at a high temperature. |
