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:
Oct. 20, 2020
Filed:
Jul. 20, 2017
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Hideyuki Koga, Numazu, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;
Abstract
An object of the present disclosure is to provide a lithium ion battery with low resistance to ion conduction. The present disclosure achieves the object by providing a lithium ion battery comprising: a cathode active material; an anode active material; an insulating oxide with neither electron conductivity nor ion conductivity that is formed in an interface between the cathode active material and the anode active material, and contains at least one kind of an element included in the cathode active material and at least one kind of an element included in the anode active material; and an electrolyte material that is an ion conducting path between the cathode active material and the anode active material; wherein the cathode active material comprises Li, at least one kind of Co, Mn, Ni, and Fe, and O; and the anode active material comprises at least one kind of Si, Li and Ti.