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:
Jan. 12, 2021
Filed:
Feb. 08, 2017
Applicant:
E.m.w. Energy Co., Ltd., Seoul, KR;
Inventors:
Byoung Hoon Ryou, Seoul, KR;
Jae Kyung Kong, Seoul, KR;
Assignee:
E.M.W. ENERGY CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 12/08 (2006.01); H01M 4/134 (2010.01); H01M 4/74 (2006.01);
U.S. Cl.
CPC ...
H01M 12/08 (2013.01); H01M 4/134 (2013.01); H01M 4/74 (2013.01); Y02E 60/10 (2013.01);
Abstract
A zinc-air secondary battery includes an air positive electrode part, a separator, and a zinc gel negative electrode part. The zinc gel negative electrode part includes therein at least one middle layer made of mesh or foam. In a zinc-air secondary battery, oxygen discharging efficiency that is present in a zinc gel negative electrode part is high, and thus charging performance of the zinc-air secondary battery can be improved.