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.

Date of Patent:
Sep. 19, 2023

Filed:

Dec. 28, 2021
Applicant:

Contemporary Amperex Technology Co., Limited, Ningde, CN;

Inventors:

Guangyu Xu, Ningde, CN;

Shichao Li, Ningde, CN;

Wei Zhao, Ningde, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/388 (2019.01); G01R 31/36 (2020.01); H01M 10/44 (2006.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
G01R 31/388 (2019.01); G01R 31/3648 (2013.01); H01M 10/441 (2013.01); H01M 2010/4271 (2013.01);
Abstract

An embodiment of this application provides a charging control method and device and a power management controller. The charging control method includes: determining whether battery status of a battery pack meets preset conditions, where the battery pack includes a plurality of battery cells, and the preset conditions are: the battery pack has been left standing for a preset duration, and an open-circuit voltage of each battery cell in the battery pack falls within a preset range; and charging the battery pack based on a charging policy corresponding to a determining result, so that a capacity of a battery cell with a highest remaining capacity in the battery pack reaches a nominal capacity of the battery cell with the highest remaining capacity.


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