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:
Dec. 24, 2024
Filed:
Sep. 28, 2018
Denka Company Limited, Tokyo, JP;
Jiangxi University of Science and Technology, Jiangxi Sheng, CN;
Shinichiro Osumi, Tokyo, JP;
Tatsuya Nagai, Tokyo, JP;
Tetsuya Ito, Tokyo, JP;
Sheng Wen Zhong, Jiangxi Sheng, CN;
Jun Chen, Jiangxi Sheng, CN;
Qian Zhang, Jiangxi Sheng, CN;
Min Zeng, Jiangxi Sheng, CN;
Denka Company Limited, Tokyo, JP;
Jiangxi University of Science and Technology, Jiangxi Sheng, CN;
Abstract
According to various aspects of the present invention, a positive electrode composition for a lithium-ion secondary battery includes an active material capable of inserting and extracting lithium ions, and a conductor, wherein the active material is a lithium-nickel-cobalt-manganese complex oxide; the conductor is a carbon black and carbon nanotubes; the carbon black has a BET specific surface area of 100 to 400 m/g, and a DBP absorption of 210 to 380 ml/100 g; and the carbon nanotubes have an average diameter of 7 to 15 nm.