Power supply device, and vehicle and electrical storage device each equipped with same
Number of patents in Portfolio can not be more than 2000
United States of America
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Feb 25, 2025
Grant Date -
Apr 20, 2023
app pub date -
Jan 20, 2021
filing date -
Jan 20, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
Power supply device includes: battery stack in which a plurality of battery cells each including, on a top surface thereof, gas discharge valve that opens when an internal pressure of outer covering can increases are stacked; first cover provided on a top surface of battery stack and defining first gas duct communicating with gas discharge valve; and second cover provided on a top surface of first cover and defining second gas duct on a top surface of first gas duct. A plurality of communication holes through which first gas duct and second gas duct communicate with each other are formed on the top surface of first cover.
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