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. 26, 2022

Filed:

Aug. 29, 2019
Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Jae-Sang Kim, Daejeon, KR;

Kun-Joo Yang, Daejeon, KR;

Seog-Jin Yoon, Daejeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/6554 (2014.01); H01M 10/613 (2014.01); H01M 10/6235 (2014.01); H01M 10/643 (2014.01);
U.S. Cl.
CPC ...
H01M 10/6554 (2015.04); H01M 10/613 (2015.04); H01M 10/6235 (2015.04); H01M 10/643 (2015.04); H01M 2220/30 (2013.01);
Abstract

Disclosed is a secondary battery pack including a plurality of cylindrical battery cells with improved cooling efficiency. The secondary battery pack includes a plurality of cylindrical battery cells having electrode terminals formed at both ends thereof; a pack case having an accommodation portion formed to accommodate the plurality of cylindrical battery cells therein and at least one exposing portion perforated from an inside to an outside thereof; at least one heat dissipation plate configured in the form of a metal plate and located at the exposing portion of the pack case so that at least a portion thereof is exposed out through the exposing portion of the pack case; and a heat transfer pad having a thermally conductive material in a solid state and interposed between the plurality of cylindrical battery cells and the heat dissipation plate.


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