Title:
ANODE COATING FOR LITHIUM SECONDARY BATTERY, MANUFACTURING METHOD THEREFOR, AND ANODE AND LITHIUM SECONDARY BATTERY, EACH INCLUDING SAME COATING
Document Type and Number:
WIPO Patent Application WO/2022/035172
Kind Code:
A1
Abstract:
Disclosed are an anode coating for a lithium secondary battery, a manufacturing method therefor, and an anode and lithium secondary battery, each including the coating, wherein a polymer having a cationic functional group is grafted onto the surface of graphene oxide which is applied as an anode coating for a lithium secondary battery to prevent the dissolution of lithium polysulfide, thereby improving the performance of the battery. The anode coating for a lithium secondary battery comprises graphene oxide having a surface modified with a cationic functional group.
Inventors:
KIM SOOHYUN (KR)
LEE JONG-CHAN (KR)
KIM KIHYUN (KR)
SOHN KWONNAM (KR)
JEONG DAUN (KR)
LEE JONG-CHAN (KR)
KIM KIHYUN (KR)
SOHN KWONNAM (KR)
JEONG DAUN (KR)
Application Number:
PCT/KR2021/010541
Publication Date:
February 17, 2022
Filing Date:
August 10, 2021
Export Citation:
Assignee:
LG ENERGY SOLUTION LTD (KR)
SEOUL NAT UNIV R&DB FOUNDATION (KR)
SEOUL NAT UNIV R&DB FOUNDATION (KR)
International Classes:
H01M4/62; C01B32/198; H01M4/02; H01M4/36; H01M4/38; H01M10/052
Foreign References:
| CN105047982A | 2015-11-11 | |||
| CN106684389A | 2017-05-17 | |||
| KR20140082994A | 2014-07-03 | |||
| KR20200099787A | 2020-08-25 |
Other References:
RODIER BRADLEY J: "Modification of graphene oxide for tailored functionality", THESIS, 1 May 2018 (2018-05-01), pages 1 - 355, XP055901466
KUMAR ARVIND, BEHERA BABITA, THAKRE GANANATH D., RAY SIDDHARTH S.: "Covalently Grafted Graphene Oxide/Poly(C n -acrylate) Nanocomposites by Surface-Initiated ATRP: An Efficient Antifriction, Antiwear, and Pour-Point-Depressant Lubricating Additive in Oil Media", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, vol. 55, no. 31, 10 August 2016 (2016-08-10), pages 8491 - 8500, XP055901474, ISSN: 0888-5885, DOI: 10.1021/acs.iecr.6b00848
See also references of EP 4027412A4
KUMAR ARVIND, BEHERA BABITA, THAKRE GANANATH D., RAY SIDDHARTH S.: "Covalently Grafted Graphene Oxide/Poly(C n -acrylate) Nanocomposites by Surface-Initiated ATRP: An Efficient Antifriction, Antiwear, and Pour-Point-Depressant Lubricating Additive in Oil Media", INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, vol. 55, no. 31, 10 August 2016 (2016-08-10), pages 8491 - 8500, XP055901474, ISSN: 0888-5885, DOI: 10.1021/acs.iecr.6b00848
See also references of EP 4027412A4
Attorney, Agent or Firm:
KIM, Sung Ho (KR)
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