HEAT EXCHANGER COMPRISING DEEP-DRAWN HEAT EXCHANGER PLATES

摘要

The invention relates to a method for producing a tube bundle for heat exchangers of electrochemical energy accumulators. According to said method, a) two deep-drawable material strips are prepared; b) the heat exchanger channels and the profiled element are incorporated into the material strips by deep-drawing; c) the supply distributor passages provided for the heat exchanger tube bundle are incorporated into a first material strip obtained in step b) (first heat exchanger plate), and the reflux collection passages provided for the heat exchanger tube bundle are incorporated into a second material strip obtained in step b) (second heat exchanger plate); d) the first and the second heat exchanger plates obtained in step c) are adjacently arranged such that the connection sections of the two heat exchanger plates border each other, forming heat exchanger tubes from the heat exchanger channels; and e) the arranged heat exchanger plates from step d) are combined to form a heat exchanger tube bundle. The invention also relates to an alternative method, a pressure welding device for the method, a heat exchanger tube bundle that can be obtained according to the method, a heat exchanger module comprising one such heat exchanger tube bundle, a heat exchanger comprising at least two such heat exchanger modules, an electrochemical energy accumulator comprising one such heat exchanger, and a use for such electrochemical energy accumulators.