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:
Sep. 26, 2023
Filed:
Sep. 04, 2019
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Kouji Oono, Chiba, JP;
Satoru Oshitari, Chiba, JP;
Tsutomu Nozoe, Chiba, JP;
Masataka Oyama, Chiba, JP;
SUMITOMO METAL MINING CO., LTD., Tokyo, JP;
Abstract
An electrode material including a carbonaceous-coated electrode active material having primary particles of the electrode active material and secondary particles that are aggregates of the primary particles, and a carbonaceous film that coats the primary particles of the electrode active material and the secondary particles that are the aggregates of the primary particles, in which a specific surface area, which is obtained using a nitrogen adsorption method, is 4 m/g or more and 40 m/g or less, a volume of micropores per unit mass is 0.05 cm/g or more and 0.3 cm/g or less, and an average micropore diameter, which is obtained from the volume of the micropores per unit mass and the specific surface area, is 26 nm or more and 90 nm or less.