METHOD OF MANUFACTURING BIPOLAR PLATES
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United States of America
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Issued Date -
Jan 16, 2025
app pub date -
Jul 10, 2024
filing date -
Jul 10, 2024
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Abstract
A method of manufacturing bipolar plates includes passing a metal sheet through at least one tension roller disposed either upstream or downstream to a BPP forming roll to establish a longitudinal tension on the metal sheet as it passes through the BPP forming roll. A first pair of inner and outer lateral tension features are formed along a first side of the metal sheet and a second pair of inner and outer later tension features are formed along a second side of the metal sheet for use in establishing a lateral tension on the metal sheet as it passes through the BPP forming roll. The inner and outer lateral tension features in each of the first and second pairs have varying or different heights to advantageously provide a more consistent application of the lateral tension to the metal sheet.
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