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:
Nov. 02, 2021
Filed:
Jul. 24, 2018
Samsung Electronics Co., Ltd., Suwon-si, KR;
Seoul National University R&db Foundation, Seoul, KR;
Hyunjin Kim, Seoul, KR;
Chongrae Park, Seoul, KR;
Dongjoon Lee, Suwon-si, KR;
Dongmin Im, Seoul, KR;
Yeonsu Jung, Seoul, KR;
Youngshik Cho, Seoul, KR;
Minhoo Byeon, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-do, KR;
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
Abstract
A positive electrode for metal-air battery, comprising: a plurality of carbon nanotube films comprising a first carbon nanotube layer comprising a plurality of first carbon nanotubes; and a second carbon nanotube layer adjacent to the first carbon nanotube layer and comprising a plurality of second carbon nanotubes, wherein an alignment direction of the plurality of first carbon nanotubes in the first carbon nanotube layer and an alignment direction of the plurality of second carbon nanotubes in the second carbon nanotube layer are different from each other, and wherein an average specific tensile strength of the plurality of carbon nanotube films is greater than or equal to about 0.1 gigapascal per gram per cubic centimeter and less than or equal to about 1 gigapascal per gram per cubic centimeter.