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. 28, 2021
Filed:
May. 01, 2015
Eliiy Power Co., Ltd., Tokyo, JP;
Yusuke Kuzushima, Tokyo, JP;
Tomitaro Hara, Tokyo, JP;
ELIIY POWER CO., LTD., Tokyo, JP;
Abstract
A positive electrode active material for a non-aqueous electrolyte secondary battery according to the present invention is characterized by including positive electrode active material particles, and a carbonaceous coating film formed on the surface of the positive electrode active material particle and including a plurality of carbon hexagonal network planes, wherein the carbonaceous coating film is formed so that a Raman spectrum, in which a ratio I/Ibetween a peak intensity Iof the D band and a peak intensity Iof the G band is 0.9 or lower and the full width at half maximum of the peak of the G band is 80 cmor smaller, is measured.