CAP PLATE WELDING ASSEMBLY FOR ELECTRIC VEHICLE SECONDARY BATTERY

Provided is a cap plate welding assembly for an electric vehicle secondary battery, the cap plate welding assembly including: an anode part cap plate provided with first horizontal planes formed long in left and right directions on a front surface and a rear surface thereof, respectively, and first vertical planes perpendicular to the first horizontal planes and formed in front and rear directions on a left side surface and a right side surface thereof, respectively; and a cathode part cap plate provided with second horizontal planes formed long in the left and right directions on a front surface and a rear surface thereof, respectively, and second vertical planes formed in the front and rear directions on a left side surface and a right side surface thereof, respectively.