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:
Jul. 29, 2025

Filed:

Oct. 10, 2022
Applicant:

Hithium Tech HK Limited, HongKong, CN;

Inventors:

Yang Tang, Fujian, CN;

Wancai Zhang, Fujian, CN;

Nan Zhang, Fujian, CN;

Weidong Xu, Fujian, CN;

Assignee:

Hithium Tech HK Limited, Hongkong, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/627 (2021.01); H01M 50/14 (2021.01); H01M 50/15 (2021.01); H01M 50/325 (2021.01); H01M 50/586 (2021.01); H01M 50/593 (2021.01);
U.S. Cl.
CPC ...
H01M 50/627 (2021.01); H01M 50/14 (2021.01); H01M 50/15 (2021.01); H01M 50/325 (2021.01); H01M 50/586 (2021.01); H01M 50/593 (2021.01); H01M 2200/20 (2013.01);
Abstract

Provided are a lower plastic member and a power battery. The lower plastic member includes a body protruding towards a jelly roll of the power battery to form a protruding portion. The protruding portion has at least one ventilation channel defined thereon. A gas in the power battery flows outside through the ventilation channel. The body has a liquid injection hole and a flow guide shroud provided thereon. The flow guide shroud is arranged at an opening on a side of the liquid injection hole facing towards the jelly roll. The flow guide shroud includes a shielding plate and a plurality of connection posts. The shielding plate has an inclined surface facing towards the body and inclined towards a side away from the body in a radially outward direction of the shielding plate.


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