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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 11764364 B1

PDFFull Text
Date of Patent:
Sep. 19, 2023

Filed:

Jan. 20, 2021

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

Applicant:

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

Inventors:

Taeyoung Kim, Seoul, KR;

Hyunpyo Lee, Seoul, KR;

Mokwon Kim, Suwon-si, KR;

Jungock Park, Yongin-si, KR;

Heungchan Lee, Seongnam-si, KR;

Assignee:

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

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Brian R Ohara

Assistant Examiner:

Aaron J Salter

Int. Cl.
CPC ...
H01M 4/86 (2006.01); C01G 23/00 (2006.01); C01G 37/14 (2006.01); C01G 45/12 (2006.01); C01G 51/00 (2006.01); C01G 53/00 (2006.01); C01G 55/00 (2006.01); H01M 4/38 (2006.01); H01M 4/88 (2006.01); H01M 4/90 (2006.01); H01M 12/08 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/8621 (2013.01); C01G 23/005 (2013.01); C01G 37/14 (2013.01); C01G 45/1257 (2013.01); C01G 51/70 (2013.01); C01G 53/42 (2013.01); C01G 55/004 (2013.01); H01M 4/382 (2013.01); H01M 4/8828 (2013.01); H01M 4/8875 (2013.01); H01M 4/8882 (2013.01); H01M 4/9016 (2013.01); H01M 12/08 (2013.01); C01P 2006/40 (2013.01); H01M 2004/027 (2013.01); H01M 2004/8689 (2013.01);
Abstract

A cathode configured to use oxygen as a cathode active material includes: a porous film including a metal oxide, where a porosity of the porous film is about 50 volume percent to about 95 volume percent, based on a total volume of the porous film, and an amount of an organic component in the porous film is 0 to about 2 weight percent, based on a total weight of the porous film.

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Kim, Taeyoung. (2023). Cathode, lithium-air battery comprising the same, and method of preparing the cathode (U.S. Patent No. 11764364). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11764364

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