Fixing Structure Of Electrode Terminal, And Battery, Battery Pack And Vehicle Including Same

Abstract: The present invention provides an electrode terminal fixing structure, and a battery, a battery pack and a vehicle comprising same. The electrode terminal fixing structure comprises a battery housing having an open end portion provided on one side thereof and having a bottom portion provided on the other side thereof, the bottom portion having a through-hole formed therein; an electrode terminal fixed to the bottom portion; and a terminal gasket interposed between the electrode terminal and the bottom portion. The electrode terminal comprises: a neck portion inserted into the through-hole, the neck portion having a section smaller than the section of the through-hole; a head portion connected to one end portion of the neck portion, the head portion having a section larger than the section of the through-hole and extending along one side surface of the bottom portion; a protruding portion connected to the other end portion of the neck portion, the protruding portion extending from the other side surface of the bottom portion along the axial direction of the battery housing; an enlarged-diameter portion extending from the protruding portion in the centrifugal direction; and a front end surface provided on an axial end portion of the protruding portion. The enlarged-diameter portion may be a fastening member physically coupled to the outer peripheral surface of the protruding portion.

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