CPC H01M 50/566 (2021.01) [H01M 50/107 (2021.01)] | 9 Claims |
1. A metal plate for being resistance-welded to an electrode terminal of a cylindrical battery, the metal plate comprising:
a body; and
a pair of protrusion units located spaced apart from each other by a predetermined distance, the pair of protrusion unit being provided at one side surface of the body, and
a slit is formed between the pair of protrusion units,
wherein,
each of the protrusion units comprises a first protrusion having a predetermined diameter and a second protrusion having a larger diameter than the predetermined diameter of the first protrusion, and
central points of the first protrusion and the second protrusion are located on an identical imaginary axis.
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