The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 2026
Filed:
Aug. 31, 2023
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
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.