Counter-flow heat exchanger for battery thermal management applications
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United States of America Patent
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Dec 12, 2023
Grant Date -
Aug 11, 2022
app pub date -
Apr 25, 2022
filing date -
Jan 9, 2015
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Abstract
A heat exchanger for thermal management of battery units made-up of a plurality of battery cells or battery cell containers housing one or more battery cells. The heat exchanger has a main body portion defining at least one primary heat transfer surface for surface-to-surface contact with a corresponding surface of at least one of the battery cells or containers. A plurality of alternating first and second fluid flow passages are formed within the main body portion each defining a flow direction, the flow direction through the first fluid flow passages being generally opposite to the flow direction through the second fluid flow passages. In some embodiments the heat exchanger has two pairs of inlet and outlet manifolds, providing a single-pass, counter-flow arrangement. In other embodiments the first and second fluid flow passages are interconnected by turn portions forming a U-flow, counter-flow heat exchanger.
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