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. 09, 2025
Filed:
Nov. 06, 2020
Applicant:
Industry Foundation of Chonnam National University, Gwangju, KR;
Inventors:
Ho Young Jung, Gwangju, KR;
Sadhasivam Thangarasu, Gwangju, KR;
Assignee:
INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY, Gwangju, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/583 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/38 (2013.01); H01M 4/583 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
A negative electrode active material for a lead storage battery or a Pb/C battery according to an embodiment includes a porous carbon material having a plurality of pores and a lead nanoparticle formed in the pores. The material may be capable of controlling the crystal size of lead sulfate produced at a negative electrode during discharging of a lead storage battery and a Pb/C battery.