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:
Oct. 26, 2021
Filed:
Jun. 22, 2018
Samsung Electronics Co., Ltd., Suwon-si, KR;
Seoul National University R&db Foundation, Seoul, KR;
Minhyun Lee, Yongin-si, KR;
Seongjun Park, Seoul, KR;
Hyunjae Song, Hwaseong-si, KR;
Hyeonjin Shin, Suwon-si, KR;
Ki-Bum Kim, Seoul, KR;
Yunhho Kang, Seoul, KR;
Sanghun Lee, Seoul, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Seoul National University R&DB Foundation, Seoul, KR;
Abstract
Provided are lithium ion batteries including a nano-crystalline graphene electrode. The lithium ion battery includes a cathode on a cathode current collector, an electrolyte layer on the cathode, an anode on the electrolyte layer, and an anode current collector on the anode. The anode and the cathode include a plurality of grains having a size in a range from about 5 nm to about 100 nm. The cathode has a double bonded structure in which a carbon of the graphene is combined with oxygen.