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. 26, 2019
Filed:
Sep. 22, 2017
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Hana Yoo, Yongin-si, KR;
Deokhyun Kim, Yongin-si, KR;
Jaehyuk Kim, Yongin-si, KR;
Soonsung Suh, Yongin-si, KR;
Jaemyung Kim, Yongin-si, KR;
Heesang Jeon, Yongin-si, KR;
Yungu Cho, Yongin-si, KR;
Jongsoo Cho, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
MK Electron Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
Abstract
A negative electrode active material for a lithium secondary battery including silicon (Si), manganese (Mn), Component A including at least one selected from iron (Fe), molybdenum (Mo), chromium (Cr), zinc (Zn), titanium (Ti), nickel (Ni), vanadium (V), tungsten (W), and yttrium (Y), and Component B including at least one selected from carbon (C), boron (B), oxygen (O), nitrogen (N), phosphorous (P), and sulfur (S), wherein a total amount of Si, Mn, and Component A is about 70 atom % or less, an amount of Component B is 30 atom % or more, and a total amount of Mn and Component A is in a range of about 10 atom % to about 35 atom %.