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:
Jul. 09, 2024
Filed:
Mar. 06, 2020
Lg Chem, Ltd., Seoul, KR;
Postech Research and Business Development Foundation, Pohang-si, KR;
Jangbae Kim, Daejeon, KR;
Soojin Park, Pohang-si, KR;
Jaegeon Ryu, Pohang-si, KR;
Jonghyun Chae, Daejeon, KR;
Jihye Yang, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, Pohang-si, KR;
Abstract
A sulfur-doped silicon negative electrode material, a preparation method for a sulfur-doped silicon negative electrode material, a negative electrode for a lithium secondary battery comprising the sulfur-doped silicon negative electrode material, and a lithium secondary battery comprising the negative electrode, wherein the sulfur-doped silicon negative electrode material has an internal pore channel having an average width of 500 nm to 3 μm and an average external diameter of 1 μm to 5 μm.