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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 12738609 B1

PDFFull Text
Date of Patent:
Sep. 15, 2026

Filed:

Sep. 17, 2025

Battery cell comprising liquid injection hole, battery, and electric device

Applicant:

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

Inventors:

Kai Wu, Ningde, CN;

Weijie Luo, Ningde, CN;

Huaen Luo, Ningde, CN;

Assignee:

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

Attorney:

K&L Gates LLP

Primary Examiner:

Barbara L Gilliam

Assistant Examiner:

Jordan E Berresford

Int. Cl.
CPC ...
H01M 50/557 (2021.01); H01M 50/103 (2021.01); H01M 50/15 (2021.01); H01M 50/209 (2021.01); H01M 50/507 (2021.01); H01M 50/645 (2021.01); B60L 50/64 (2019.01);
U.S. Cl.
CPC ...
H01M 50/557 (2021.01); H01M 50/103 (2021.01); H01M 50/15 (2021.01); H01M 50/209 (2021.01); H01M 50/507 (2021.01); H01M 50/645 (2021.01); B60L 50/64 (2019.02); H01M 2220/20 (2013.01);
Abstract

A battery cell, a battery and an electric device, relating to the technical field of batteries. The battery cell comprises: a housing, an electrode column body and an electrode column cover plate, wherein the housing defines an accommodating cavity; the electrode column body is arranged on the housing; a communication channel in communication with the accommodating cavity is formed on the electrode column body; the electrode column cover plate is arranged on the electrode column body; and a liquid injection hole in communication with the communication channel is formed in the electrode column cover plate.

Find Patent Forward Citations

Wu, Kai. (2026). Battery cell comprising liquid injection hole, battery, and electric device (U.S. Patent No. 12738609). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12738609

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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