| 摘要 |
<p>A solid ion capacitor having electrodes (2a, 2b) formed on both principal surfaces of a solid electrolyte (1) having a thickness no greater than 200 mum. The solid electrolyte (1) contains an ion-conducting compound having a Nasicon-type crystal structure, and the ion-conducting compound includes at least Li, Al, P, and O. The electrodes (2a, 2b) are formed from a non-valve-action material which does not have a valve action, e.g., a precious metal material, a transition metal material, an oxide material, a semiconductor material, or a combination of the above. The interface between the solid electrolyte (1) and the electrodes (2a, 2b) has a fine uneven structure. This solid ion capacitor is used at a driving voltage of no greater than 3 V, or preferably 1.5 to 3 V. By using the solid electrolyte mentioned above, this invention realizes a solid ion capacitor that is small and capable of achieving a large capacitance, as well as a method for using the same.</p> |
