MANUFACTURING METHOD OF SEALED BATTERY

• Main Authors: INUI TAKESHI, GOTANDA YUKIHIRO
• Format: Patent
• Language: English
• Published: 12.05.2005
• Edition: 7
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRICITY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

PROBLEM TO BE SOLVED: To provide a manufacturing method of a sealed battery capable of preventing the occurrence of electrolyte leakage via a stacking surface of a disc plate constituting a sealing plate, a safety valve film, a PTC element and a cap-like terminal plate, and of restraining deterioration of high reliability and battery characteristics. SOLUTION: This method is used for manufacturing the sealing plate composed by welding the cap-like terminal plate, the PTC element, the safety valve film and the disc plate to other adjacent elements to integrate them, and has an application process of cream solder to a welding surface; a manufacturing process of an assembled sealing plate; and a melting process for melting the cream solder in a reflow furnace or the like, to integrate the respective elements. COPYRIGHT: (C)2005,JPO&NCIPI