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:
Sep. 12, 2023
Filed:
Apr. 26, 2018
Samsung Sdi Co., Ltd., Yongin-si, KR;
Deokhyun Kim, Yongin-si, KR;
Jaehyuk Kim, Yongin-si, KR;
Jaemyung Kim, Yongin-si, KR;
Soonsung Suh, Yongin-si, KR;
Hana Yoo, Yongin-si, KR;
Yungu Cho, Yongin-si, KR;
Heeyoung Chu, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Anode active materials for lithium secondary batteries are provided. According to embodiments of the present disclosure, an anode active material includes: i) a first composite including at least two active silicon materials having different crystal sizes and a silicon oxide (SiO) material (wherein 0<x≤2); ii) a second composite including an active silicon material having a crystal size of about 24 nm or greater and a silicon oxide (SiO) material(wherein 0<x≤2), mixed with a carbonaceous material; or a mixture or combination of (i) and (ii). A lithium secondary battery is provided including an anode including any one of the anode active materials.