Methods and systems for surface disruption of bipolar plate and subsequent use thereof in redox flow battery
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United States of America Patent
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Sep 17, 2024
Grant Date -
Mar 9, 2023
app pub date -
Aug 31, 2022
filing date -
Aug 31, 2021
priority date (Note) -
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Abstract
Systems and methods are provided for mechanical pretreatment of bipolar plates, for example, for plating electrodes in redox flow batteries. In one example, a method for disrupting surfaces of a bipolar plate may include pressing the bipolar plate between imprint plates, and removing the pressed bipolar plate from the imprint plates prior to use in a redox flow battery. In some examples, the pressed bipolar plate may include negative indentations from at least one of the imprint plates. In some examples, the imprint plates may be patterned meshes, such that the negative indentations may include patterns of asymmetric protrusions. In this way, the bipolar plate may be pretreated via pressing so as to reduce wear to manufacturing equipment (relative to other mechanical pretreatment processes, for example) while maintaining electrochemical performance of the redox flow battery.
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