| 摘要 |
PURPOSE:To seek to improve long-term reliability by arranging a constitution in which the parts in contact with electrolyte of the current collector and the storing case of a capacitor are made of alloy having a specific composition. CONSTITUTION:The parts contacting with electrolyte of a current collector and a storing case are made of alloy having nickel of 9-80weight%. Electrochemical dissolution is apt to occur in the case where the content of nickel is below 9weight%, and also since the potential that the pitting occurs becomes low, the pitting by a very small amount of halogen is in case that it is used on the anode side, apt to occur during corrosion resulting from impurity of the electrolyte, etc. Also, if the content exceeds 80weight%, uniform fusion as alloy and further rolling become difficult. Hereby, long-term reliability can be obtained. |
