POWER BATTERY TOP COVER AND POWER BATTERY
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United States of America Patent
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app pub date -
Jun 6, 2017
filing date -
Jun 7, 2016
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Abstract
Provided is a top cover for power battery, including a top cover plate, a first electrode unit including a connecting plate, a deformable plate, an insulating piece and a current interrupt plate, and a second electrode unit, insulating piece, an assembling hole is formed in the top cover plate, the current interrupt plate is in the assembling hole and electrically connected with the top cover plate, the connecting plate is insulated from the top cover plate through the insulating piece, an accommodating chamber facing to the assembling hole is formed in the connecting plate, the deformable plate is attached to the connecting plate and covers the accommodating chamber, the second electrode unit is electrically insulated from the top cover plate, and the deformable plate configured to uncouple from the current interrupt plate when internal pressure of power battery goes beyond reference pressure.
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