logo

For the Inventor, By the Inventor

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.:

US 12654592 B1

PDFFull Text
Date of Patent:
Jun. 16, 2026

Filed:

Feb. 25, 2025

Battery self-heating system and vehicle

Applicant:

Byd Company Limited, Shenzhen, CN;

Inventors:

Lei Yan, Shenzhen, CN;

Wen Gao, Shenzhen, CN;

Junwei Zhang, Shenzhen, CN;

Gan Song, Shenzhen, CN;

Assignee:

BYD Company Limited, Shenzhen, CN;

Attorney:

Sheppard Mullin Richter & Hampton LLP

Primary Examiner:

Hal Kaplan

Int. Cl.
CPC ...
B60L 58/27 (2019.01); B60K 1/02 (2006.01); B60L 50/60 (2019.01); B60L 53/16 (2019.01); B60L 53/62 (2019.01); B60L 58/18 (2019.01); H01M 10/615 (2014.01); H01M 10/625 (2014.01); H01M 10/637 (2014.01); H02J 7/50 (2026.01); H05B 3/06 (2006.01);
U.S. Cl.
CPC ...
B60L 58/27 (2019.02); B60L 50/60 (2019.02); B60L 53/16 (2019.02); B60L 53/62 (2019.02); B60L 58/18 (2019.02); H01M 10/615 (2015.04); H01M 10/625 (2015.04); H01M 10/637 (2015.04); H05B 3/06 (2013.01); B60K 1/02 (2013.01); H01M 2220/20 (2013.01); H02J 7/50 (2026.01); H05B 2203/005 (2013.01);
Abstract

A battery self-heating system includes: a power battery pack, a first heating device, a second heating device and a controller. The power battery pack includes a first battery group and a second battery group connected in series; the first heating device includes a first heating sub-device and a second heating sub-device; the second heating device includes a third heating sub-device and a fourth heating sub-device; and the controller is configured to: control the first heating device and the first battery group to be alternately charged and discharged, control the second heating device and the second battery group to be alternately charged and discharged, and control, when a first one of the first battery group and the second battery group is in a discharged state, a second one of the first battery group and the second battery group to be in a charged state.

Find Patent Forward Citations

Loading…