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:
Apr. 14, 2026

Filed:

Jan. 12, 2023
Applicant:

Nuvolta Technologies (Hefei) Co., Ltd., Hefei, CN;

Inventors:

Muye Yang, Shanghai, CN;

Kunxu Zhu, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/396 (2019.01); G01R 31/367 (2019.01); G01R 31/388 (2019.01);
U.S. Cl.
CPC ...
G01R 31/396 (2019.01); G01R 31/367 (2019.01); G01R 31/388 (2019.01);
Abstract

A method includes applying a preliminary discharge/charge cycle to a plurality of battery cells to obtain an initial capacity of each battery cell, applying multiple small current discharge/charge cycles to the plurality of battery cells to minimize initial voltage deviations of the plurality of battery cells, configuring a first battery cell to be tested at a plurality of first testing points, configuring a second battery cell to be tested at a plurality of second testing points, and configuring a third battery cell to be tested at a plurality of third testing points, wherein the first battery cell, the second battery cell and the third battery cell are tested concurrently for generating an OCV-SOC curve, and the plurality of first testing points, the plurality of second testing points and the plurality of third testing points are arranged in an alternate manner.


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