ELECTROCHEMICAL CELL AND METHOD FOR MANUFACTURING ELECTROCHEMICAL CELL

To obtain sure sealability.SOLUTION: An electrochemical cell 1 includes an exterior body 2 having a first container 20 having a first joint wall 12, and a second container 20 that has a second joint wall 21 welded and joined to the first joint wall and forms a storage space 4 between the first conta...

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1. Verfasser:	TAMACHI TSUNEAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:	To obtain sure sealability.SOLUTION: An electrochemical cell 1 includes an exterior body 2 having a first container 20 having a first joint wall 12, and a second container 20 that has a second joint wall 21 welded and joined to the first joint wall and forms a storage space 4 between the first container and the second container, an electrode body 30 that has a positive electrode and a negative electrode and is stored in a storage space, and a current collecting plate 61 which is welded to the first container through an insulating resin material 60 and is at least partially exposed to the outside, wherein a welding mark is formed in the second joint wall.SELECTED DRAWING: Figure 2 【課題】確実な封止性を得ること。【解決手段】第１接合壁１２を有する第１容器２０と、第１接合壁に対して溶接接合された第２接合壁２１を有し、第１容器との間に収容空間４を形成する第２容器２０とを備えた外装体２と、正極電極及び負極電極を有し、収容空間内に収容された電極体３０と、第１容器に対して絶縁性の樹脂材６０を介して溶着されると共に、少なくとも一部分が外部に露出した集電板６１と、を備え、第２接合壁には溶接痕が形成されている電気化学セル１を提供する。【選択図】図２