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. 03, 2019
Filed:
Oct. 21, 2016
Lg Chem, Ltd., Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
A negative electrode active material for a secondary battery is provided. The negative electrode active material is composed of a composite including a metal element-doped inorganic particle or inorganic oxide particle, and a polymer coating layer coated on the metal element-doped inorganic particle or inorganic oxide particle, wherein the metal element is included in an amount of 0.01 to 20 parts by weight based on 100 parts by weight of the inorganic particle or inorganic oxide particle. Also provided are a method for preparing the negative electrode active material and a secondary battery having enhanced lifetime and high-efficiency charge/discharge properties by including the negative electrode active material.