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:
May. 21, 2019
Filed:
Feb. 26, 2016
Iljin Electric Co., Ltd., Hwaseong, KR;
Young Pil Choi, Ansan, KR;
Cheol Ho Park, Suwon, KR;
Min Hyun Kim, Seoul, KR;
Myeong Han Kim, Ansan, KR;
Seon Kyong Kim, Seoul, KR;
ILJIN ELECTRIC CO., LTD., Hwaseong, KR;
Abstract
The present disclosure is to provide a negative electrode for a lithium secondary battery having high negative electrode efficiency and excellent capacity retention, and a lithium secondary battery including the negative electrode. In one aspect, there is provided a negative electrode for a lithium secondary battery, wherein the electrode contains 3 to 9% by weight of a silicon-based negative-electrode active material having a following composition formula (1); and 87.5 to 95.5% by weight of a graphite-based negative-electrode active material:SiTiFeAl  (1)