| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrochemical element which stabilizes the quality on a long term basis by preventing the deterioration of charge efficiency of the electrochemical element. <P>SOLUTION: In order to prevent the deterioration of charge efficiency of an electrochemical element, cover layers 1121 and 1122, formed by gold or a gold alloy layer, are formed on a metal ring 109 which is a part of components of the electrochemical element, a joining material 1081 placed on the metal ring, and at least an area which is located on a joining material 1082 of a sealing plate and at the inner side of a container. <P>COPYRIGHT: (C)2012,JPO&INPIT |
