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. 20, 2024
Filed:
Mar. 03, 2021
Samsung Sdi Co., Ltd., Yongin-si, KR;
Taeri Kwon, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
A positive electrode for an all-solid secondary battery including a sulfide-based solid electrolyte includes a first positive active material having an average particle diameter of about 15 μm to about 20 μm, a second positive active material having an average particle diameter of about 2 μm to about 6 μm, and a solid electrolyte, wherein at least one selected from the first positive active material and the second positive active material includes a coating layer including a lithium ion conductor, and each of the first positive active material and the second positive active material includes a core and a shell, wherein the shell includes a nickel-based active material containing cobalt. An all-solid secondary battery includes the positive electrode.