Cathode active material, secondary battery comprising the same, and method of manufacturing the positive active material

US9960419B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9960419-B2
Application numberUS-201414576962-A
CountryUS
Kind codeB2
Filing dateDec 19, 2014
Priority dateNov 28, 2013
Publication dateMay 1, 2018
Grant dateMay 1, 2018

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Abstract

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A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positive active material.

First claim

Opening claim text (preview).

What is claimed is: 1. A positive active material comprising: a core comprising a lithium metal oxide capable of intercalation and deintercalation of lithium ions; and a non-conductive carbonaceous film containing oxygen on at least one portion of a surface of the core, wherein the non-conductive carbonaceous film comprises at least one carbon compound having a functional group of the formula C(═O)R a , —C(═O)OR a , and —OC(═O)OR a , wherein R a is hydrogen, a C1-C10 alkyl gr…

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What does patent US9960419B2 cover?
A positive active material including: a core comprising a metal oxide, a non-metal oxide, or a combination thereof capable of intercalation and deintercalation of lithium ions or sodium ions; and a non-conductive carbonaceous film including oxygen on at least one portion of a surface of the core; a lithium battery including the positive active material; and a method of manufacturing the positiv…
Who is the assignee on this patent?
Samsung Electronics Co Ltd
What technology area does this patent fall under?
Primary CPC classification H01M4/366. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue May 01 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).