- Patent Title: Sulfur-doped silicon negative electrode material, method for producing same, lithium secondary battery negative electrode including negative electrode material, and lithium secondary battery comprising negative electrode
-
Application No.: US17285316Application Date: 2020-03-06
-
Publication No.: US12034157B2Publication Date: 2024-07-09
- Inventor: Jangbae Kim , Soojin Park , Jaegeon Ryu , Jonghyun Chae , Jihye Yang
- Applicant: LG CHEM, LTD. , POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
- Applicant Address: KR Seoul
- Assignee: LG ENERGY SOLUTION, LTD.,POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
- Current Assignee: LG ENERGY SOLUTION, LTD.,POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
- Current Assignee Address: KR Seoul; KR Pohang-si
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR 20190027137 2019.03.08 KR 20200028206 2020.03.06
- International Application: PCT/KR2020/003204 2020.03.06
- International Announcement: WO2020/184917A 2020.09.17
- Date entered country: 2021-04-14
- Main IPC: H01M4/00
- IPC: H01M4/00 ; C01B33/023 ; H01M4/134 ; H01M4/38 ; H01M4/02 ; H01M10/0525
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.
Public/Granted literature
Information query
