Battery heating circuits and methods based on battery discharging and charging using resonance components in series and multiple charge storage components
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United States of America Patent
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Sep 1, 2015
Grant Date -
Nov 8, 2012
app pub date -
May 7, 2012
filing date -
Jul 30, 2010
priority date (Note) -
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Abstract
Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units 1, a switching control module 100, a damping component R1, an energy storage circuit, and a polarity inversion unit 101, wherein: the energy storage circuit is connected with the battery, and comprises a current storage component L1 and a plurality of charge storage components C1; the plurality of charge storage components C1 are connected with the plurality of switch units 1 in series in one-to-one correspondence to form a plurality of branches; the plurality of branches is connected in parallel with each other and then connected with the current storage component L1 and damping component R1 in series; the switching control module 100 is connected with the switch units 1, and is configured to control ON/OFF of the switch units 1.
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