Safety cap assembly of power battery
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United States of America Patent
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May 2, 2017
Issued Date -
N/A
app pub date -
Nov 4, 2014
filing date -
Nov 11, 2013
priority date (Note) -
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Abstract
A safety cap assembly of power battery comprises a cap plate and a first terminal unit, a second terminal unit, a vent, an electrolyte-injection hole and a safety reverse valve provided to the cap plate; the first terminal unit is electrically connected to the cap plate; the second terminal unit is insulated from and assembled to the cap plate; the safety reverse valve is electrically connected to the cap plate; a short circuit protection conducting plate is provided above the cap plate, is electrically connected to the second terminal unit, and is positioned above the safety reverse valve; the first terminal unit comprises a first terminal body, and a metal gasket and a resistance plate around the first terminal body, the resistance plate is provided below the metal gasket and comprises a substrate and a coating on a surface of the substrate.
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