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:
Nov. 27, 2018
Filed:
Aug. 05, 2015
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Satoshi Fujiki, Yokohama, JP;
Yuichi Aihara, Yokohama, JP;
SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;
Abstract
A lithium secondary battery wherein the cathode layer comprises a cathode active material particle having a coating layer that is on at least a portion of a surface of the cathode active material particle, and a solid electrolyte particle which is in contact with the coating layer, wherein an average particle diameter of the cathode active material secondary particle is in a range of about 3 micrometers to about 10 micrometers, wherein the coating layer is amorphous and contains at least one element selected from metal elements not including nickel, and semi-metal elements, and wherein a mole ratio of the at least one element of the coating layer and all of the metal elements, not including lithium, or semi-metal elements in the cathode active material particle is in a range of about 0.1 mole percent to about 10 mole percent.