BIPOLAR BATTERY PLATE ASSEMBLY AND RELATED MECHANICAL COUPLING TECHNIQUE
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United States of America Patent
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Issued Date -
Aug 13, 2020
app pub date -
Apr 30, 2020
filing date -
Oct 31, 2017
priority date (Note) -
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Abstract
A battery assembly, such as a bipolar battery assembly, generally includes a first casing portion comprising an optically-absorbing region defining a first feature, and a second casing portion comprising an optically-transmissive region, the second casing portion defining a second feature, the second feature sized and shaped to mate with the first feature. The first and second features form a hermetic seal comprising a welded joint. Fabrication of such an assembly can include physically mating the first casing portion with the second casing portion, and irradiating, such as using a laser, the optically-absorbing region defining the first feature through the optically-transmissive region to form the welded joint. The first or second casing portions can include one or more casing segments that can support a battery plate, such as comprising a conductive substrate. A gasket or seal can be used such as to provide a further seal at or near a perimeter of the conductive substrate.
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