公开(公告)号：US20250042306A1

公开(公告)日：2025-02-06

申请号：US18780790

申请日：2024-07-23

Applicant: Huawei Digital Power Technologies Co., Ltd.

Inventor： Yankun XU ,  Sen Cao ,  Yang Cheng

IPC: B60L58/27 ,  B60L15/20 ,  H01M10/615 ,  H01M10/625 ,  H01M10/637

Abstract: A method for pulse heating a power battery of an electric vehicle and an electric vehicle. A powertrain includes a first power circuit and a second power circuit. The method is used to control the second power circuit or a motor power circuit to generate a pulse alternating current on a direct current bus, and the pulse alternating current is used to heat the power battery. A phase value of a pulse alternating current output by at least one of the first power circuit and the second power circuit is adjusted, to reduce a phase difference between a pulse alternating current generated by the first power circuit and a pulse alternating current generated by the second power circuit, thereby improving heating efficiency of the power battery.