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.:
Date of Patent:
Sep. 07, 2021
Filed:
Feb. 21, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Seung Hwan Kim, Cheongju-si, KR;
Dong Hyun Kim, Sejong, KR;
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/48 (2006.01); H01M 10/615 (2014.01); H01M 10/63 (2014.01); H01M 50/20 (2021.01);
U.S. Cl.
CPC ...
H01M 10/48 (2013.01); H01M 10/615 (2015.04); H01M 10/63 (2015.04); H01M 50/20 (2021.01);
Abstract
A method and apparatus for controlling a temperature of a battery pack, in which, when the battery pack is in an extremely low temperature state during charging/discharging, a PWM signal having a duty ratio value that increases as the temperature increases is outputted to intermittently drive a heat generating unit so that the battery pack stably increases in temperature.