| 摘要 |
PROBLEM TO BE SOLVED: To provide an accumulation device such as en electric double layer capacitor using a polarizable electrode, which controls the carbon concentration distribution of a polarizable electrode by using carbon nano thin film materials for controlling film thickness, specific surface density, bulk density and orientational property, improves a thin hole use rate, and also controls the absorptivity of electrolytic medium ion and electrolyte. SOLUTION: This accumulation device is configured by arranging at least a pair of polarizable electrodes with or without a separator, a space between the pair of polarizable electrodes is filled with electolyte, and the structure of a polarizable electrode where carbon nano thin film materials are grown on a conductive substrate with surface density and bulk density whose level is almost identical and different is provided. Inorganic system gel elecrolyte, for example, inorganic system phosphoric acid glass gel electroyte such as alkali glass, is used as the electrolyte. COPYRIGHT: (C)2006,JPO&NCIPI
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