| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric-double-layer capacitor wherein the air-tightness of the periphery of its each electrode terminal excels over a long term, in the electric-double-layer capacitor wherein a laminate comprising electrode sheets and separators impregnated with an electrolyte is sealed in a flat container, while the end of its each aluminum electrode terminal is exposed to the external. SOLUTION: In the electric-double-layer capacitor excelling in a long-term reliability, the surface of its each aluminum electrode terminal which faces at least the stuck portion of its container to its electrode terminal is coated with an oxide film by an anodic oxidation processing (alumite processing), etc. COPYRIGHT: (C)2006,JPO&NCIPI
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