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:
Feb. 05, 2019
Filed:
Apr. 10, 2015
Nissan Motor Co., Ltd., Yokohama-Shi, Kanagawa, JP;
Nissan Motor Co., Ltd., Yokohama-shi, Kanagawa, JP;
Abstract
An electric device having a power generating element contains a positive electrode with a positive electrode active material formed on a surface of a positive electrode current collector, a negative electrode, and a separator containing an electrolyte. The positive electrode active material contains a lithium nickel-based composite oxide having a layered crystal structure capable of insertion and desorption of lithium ions, the composition represented by: [LiNi][NiMnMCO]O, wherein M is at least one selected from the group consisting of Ti, Zr, Nb, W, P, Al, Mg, V, Ca, Sr, Cr, Fe, B, Ga, In, Si, Mo, Y, Sn, V, Cu, Ag, and Zn, and x+y+z≤1, β≤0.032, 0.9≤α+β≤1.2, 0<x<1, 0<y<1, 0<z<1, and 0≤r≤0.3, and the electrolyte has a cyclic sulfonic acid ester.