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:
May. 23, 2023
Filed:
Mar. 18, 2020
Denka Company Limited, Tokyo, JP;
Central Glass Company, Limited, Ube, JP;
Shinichiro Osumi, Machida, JP;
Tatsuya Nagai, Machida, JP;
Takako Arai, Machida, JP;
Tetsuya Ito, Machida, JP;
Hiroyuki Oomori, Ube, JP;
Shoi Suzuki, Ube, JP;
Akifumi Yao, Ube, JP;
DENKA COMPANY LIMITED, Tokyo, JP;
CENTRAL GLASS COMPANY, LIMITED, Ube, JP;
Abstract
To provide a carbon black for batteries capable of readily obtaining a positive electrode for batteries having excellent adhesiveness, and excellent output characteristics and the cycle characteristics. A carbon black for batteries, the carbon black having a BET specific surface area measured according to JIS K6217-2 C method of 100 m/g or larger, and a surface fluorine concentration X (unit: atom %) and a surface oxygen concentration Y (unit: atom %) measured by X-ray Photoelectron Spectroscopy (XPS) satisfying the following conditions (A) and (B),0.3≤≤4.0 and  (A)0.1≤≤3.0.  (B)