Battery heating circuits and methods using resonance components in series based on current limiting and voltage inversion with bi-directionality
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United States of America Patent
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Aug 26, 2014
Grant Date -
Feb 2, 2012
app pub date -
Jun 22, 2011
filing date -
Jun 22, 2011
priority date (Note) -
Withdrawn
status (Latency Note)
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Abstract
According to some embodiments of the present invention, a battery heating circuit includes a switch unit, a switching control module, a damping component, an energy storage circuit, and an energy superposition unit, wherein: the energy storage circuit is connected with the battery and includes a current storage component and a charge storage component; the damping component, the switch unit, the current storage component, and the charge storage component are connected in series; the switching control module is connected with the switch unit, and configured to control ON/OFF of the switch unit, so as to control the energy flowing between the battery and the energy storage circuit.
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