COOLING PLATE PRODUCING METHOD FOR BATTERY STACK OF ELECTRIC VEHICLE AND COOLING PLATE BY THE SAME

摘要

The present invention provides a plastic working step of plastically processing the upper and lower plates of the clad material constituting the cooling plate, respectively, a preheating step of preheating the upper and lower plates, respectively, a coating step of coating the upper and lower plates with a flux, and the upper plate It relates to a method of manufacturing a cooling plate for a battery stack for an electric vehicle, comprising a brazing step in which an upper plate and a lower plate are joined by heating in a state in which the clad material of the lower plate and the lower plate are in contact.