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:
Jun. 23, 2020
Filed:
Mar. 26, 2018
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Abstract
A cathode material is provided which comprises secondary particles of cathode active material particles including central particles of LiFeMPOand a carbonaceous film which coats the central particles, wherein a particle size distribution thereof has maximum values of a relative particle amount on both fine and coarse particle sides. A particle diameter with the maximum relative particle amount on the fine particle side is in a range A of 0.70 μm to 2.00 μm, and a particle diameter with the maximum relative particle amount on the coarse particle side is in a range B of 7.00 μm to 15.00 μm. A difference between maximum values of a relative particle amount is 2.00% to 6.00%.