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:
Apr. 27, 2021
Filed:
Dec. 04, 2017
Samsung Sdi Co., Ltd., Yongin-si, KR;
Pilsang Yun, Yongin-si, KR;
Jinhwa Kim, Yongin-si, KR;
Hyunbeom Kim, Yongin-si, KR;
Jaehyun Shim, Yongin-si, KR;
Wooyoung Yang, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Provided are a nickel-based active material precursor for a lithium secondary battery including a core, an intermediate layer located on the core, and a shell located on the intermediate layer, wherein porosity gradually decreases in the order of the core, the intermediate layer, and the shell, and each of the intermediate layer and the shell has a radial arrangement structure, a method for producing the nickel-based active material precursor, a nickel-based active material produced therefrom, and a lithium secondary battery including a cathode containing the nickel-based active material.