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AssigneeContemporary Amperex Technology Co., Limited
InventorsXiaojian Huang, Xianxi Pan, Zhimin Dan
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Provided are a battery heating device and a control method and circuit therefor, and a power device. The battery heating device includes: a heating module including a first bridge arm, a second bridge arm, and an energy storage element; and a control module configured to control the first bridge arm and the second bridge arm, to form a circuit for discharging from a first battery cell to the energy storage element and a circuit for charging from the energy storage element and the first battery cell to a second battery cell, and/or to form a circuit for discharging from the second battery cell to the energy storage element and a circuit for charging from the energy storage element and the second battery cell to the first battery cell, for heating of the first battery cell and the second battery cell.
A battery heating device, which is connected to a traction battery and configured to heat the traction battery, wherein the traction battery comprises a first battery cell and a second battery cell, the battery heating device comprising:
A control method for a battery heating device, which is connected to a traction battery and configured to heat the traction battery, wherein the battery heating device comprises a first bridge arm, a second bridge arm, and an energy storage element, and the traction battery comprises a first battery cell and a second battery cell, the control method comprising:
Dependencies are inferred from the claim text.