Invention Grant
- Patent Title: Negative electrode comprising a protective layer for a lithium secondary battery, method for manufacturing same, and lithium secondary battery including same
-
Application No.: US17257615Application Date: 2020-03-05
-
Publication No.: US12107259B2Publication Date: 2024-10-01
- Inventor: Eunkyung Park , Minchul Jang , Taeseup Song , Seho Sun , Dongsoo Lee , Byoungkuk Son
- Applicant: LG CHEM, LTD. , IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Applicant Address: KR Seoul
- Assignee: LG ENERGY SOLUTION, LTD.,IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Current Assignee: LG ENERGY SOLUTION, LTD.,IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Current Assignee Address: KR Seoul; KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR 20190026807 2019.03.08 KR 20200027055 2020.03.04
- International Application: PCT/KR2020/003125 2020.03.05
- International Announcement: WO2020/184900A 2020.09.17
- Date entered country: 2021-01-04
- Main IPC: H01M4/1395
- IPC: H01M4/1395 ; C23C8/02 ; C23C8/48 ; C23F1/32 ; H01M4/02 ; H01M4/04 ; H01M4/134 ; H01M4/36 ; H01M10/0525

Abstract:
A negative electrode for a lithium secondary battery including a lithium metal layer and a protective layer including a three-dimensional structural body made of metal and lithium nitride on the lithium metal layer. The protective layer induces uniform ionic conductivity and electrical conductivity on the surface of the negative electrode. A method for manufacturing method a negative electrode for a lithium secondary battery including the steps of forming a metal hydroxide having a three-dimensional structure, forming a metal nitride having a three-dimensional structure by a nitridation reaction of the metal hydroxide of the three-dimensional structure; and transferring the metal nitride having the three-dimensional structure onto a lithium metal layer to form a protective layer. A lithium secondary battery including the negative electrode for a lithium secondary battery.
Public/Granted literature
Information query