CLOSED TYPE SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a closed type secondary battery having an arbitrary thickness in which disconnection at falling by moving of a battery element inside a battery outer can does not occur. SOLUTION: In the closed type secondary battery in which the battery element is housed in the battery outer can, protruding parts 12A, 12B of the size through which the battery element cannot pass are installed on the inner wall face 6 of the battery outer can positioned between the end face from which a conductive tab 4 of the battery element 2 is taken out and a battery header 7 facing the end face. COPYRIGHT: (C)2005,JPO&NCIPI