Battery pack and liquid leakage detection method thereof
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United States of America Patent
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Apr 5, 2016
Grant Date -
Jul 18, 2013
app pub date -
Jan 16, 2013
filing date -
Jan 16, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A battery pack and a liquid leakage detection method thereof are provided. The battery pack comprises a plurality of battery cells, a isolated liquid and a battery box containing the isolated liquid. The battery cells are soaked in the isolated liquid. The battery box comprising a box body and a cover plate. The isolated liquid is a fire-retardant and insulating liquid that has a specific gravity smaller than an electrolyte and is insoluble in the electrolyte. A collection portion is disposed at the bottom of the battery box, and a detection component is disposed in the collection portion. The present disclosure encloses the leaked electrolyte in the fire-retardant isolated liquid and uses the detection component to detect a resistance value of the isolated liquid so as to improve the safety of the box body.
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