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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.:

US 11658306 B1

PDFFull Text
Date of Patent:
May. 23, 2023

Filed:

Dec. 21, 2020

Cathode, lithium-air battery comprising the same, and method of preparing the cathode

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Hyunpyo Lee, Seoul, KR;

Taeyoung Kim, Seoul, KR;

Mokwon Kim, Suwon-si, KR;

Wonsung Choi, Hwaseong-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Haroon S Sheikh

Int. Cl.
CPC ...
H01M 4/86 (2006.01); H01M 4/88 (2006.01); H01M 12/08 (2006.01);
U.S. Cl.
CPC ...
H01M 4/8621 (2013.01); H01M 4/8828 (2013.01); H01M 4/8882 (2013.01); H01M 4/8896 (2013.01); H01M 12/08 (2013.01); H01M 2004/8689 (2013.01);
Abstract

A cathode configured to use oxygen as a cathode active material, the cathode including: a porous film, wherein the porous film includes a metal oxide, and wherein a surface of the porous film has root mean square (RMS) roughness (Rq) of about 0.01 micrometer to about 1 micrometer, and a porosity of the porous film is about 50 volume percent to about 99 volume percent, based on a total volume of the porous film.

Find Patent Forward Citations

Lee, Hyunpyo. (2023). Cathode, lithium-air battery comprising the same, and method of preparing the cathode (U.S. Patent No. 11658306). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11658306

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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