| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a secondary battery having a lighter weight and a longer life in comparison with a conventional secondary battery. <P>SOLUTION: An electrode 5a, in which a low resistivity semiconductor layer 2 comprising a semiconductor material insoluble in an electrolyte 13, an ion deposition accelerating layer 6a, and an electrolyte layer 7a are formed in this order on one side of a substrate 1a, and an extraction electrode 9 is connected to the other side through a metallic film 8a, and a coating layer 11a is formed on the surface other than the surface on the low resistivity semiconductor 2 side, and an electrode 5b, in which a low resistivity semiconductor layer 3, a high resistivity semiconductor layer 4 of a semiconductor material insoluble in the electrolyte 13 while having resistance higher than the low resistivity semiconductor layer 2, and an ion deposition accelerating layer 6b are formed in this order on one side of a substrate 1b, and an extraction electrode 10 is connected to the other side through a metallic film 8b, and a coating layer 11b is formed on the surface other than the high resistivity semiconductor layer 4 side, are disposed in a vessel 12 so that the low resistivity semiconductor layer 2 faces the high resistivity layer 4, and the electrolyte 13 is filled between the electrode 5a and the electrode 5b. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
