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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 11397211 B1

PDFFull Text
Date of Patent:
Jul. 26, 2022

Filed:

Dec. 28, 2021

Acquiring method and device of residual energy of power battery

Applicant:

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

Inventor:

Guangyu Xu, Ningde, CN;

Assignee:

CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED, Ningde, CN;

Attorney:

Scully Scott Murphy & Presser

Primary Examiner:

Tung S Lau

Int. Cl.
CPC ...
G01R 31/36 (2020.01); G01R 31/396 (2019.01); H01M 10/48 (2006.01); B60L 58/12 (2019.01); G01R 31/3828 (2019.01); G01R 31/392 (2019.01); H01M 10/42 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3646 (2019.01); B60L 58/12 (2019.02); G01R 31/3648 (2013.01); G01R 31/3828 (2019.01); G01R 31/396 (2019.01); H01M 10/482 (2013.01); G01R 31/392 (2019.01); H01M 2010/4271 (2013.01); H01M 2220/20 (2013.01);
Abstract

An acquiring method and device of residual energy of a power battery are provided. The acquiring method includes: acquiring an available capacity of a first type of cells and an available capacity of a second type of cells; determining a minimum available capacity as an available capacity of the power battery; determining available energy of the first type of cells according to the available capacity of the power battery, a current temperature, and a quantity of cells of the first type of cells; determining available energy of the second type of cells according to the available capacity of the power battery, a current temperature, and a quantity of cells of the second type of cells; and determining the sum of the available energy of the first type of cells and the available energy of the second type of cells as a quantity of residual energy of the power battery.

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Xu, Guangyu. (2022). Acquiring method and device of residual energy of power battery (U.S. Patent No. 11397211). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11397211

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