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1. WO2020091426 - LITHIUM ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication Number WO/2020/091426
Publication Date 07.05.2020
International Application No. PCT/KR2019/014494
International Filing Date 30.10.2019
IPC
H01M 4/134 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
134Electrodes based on metals, Si or alloys
H01M 4/62 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
H01M 10/052 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10Secondary cells; Manufacture thereof
05Accumulators with non-aqueous electrolyte
052Li-accumulators
Applicants
  • 주식회사 엘지화학 LG CHEM, LTD. [KR]/[KR]
Inventors
  • 박은경 PARK, Eunkyung
  • 정보라 JUNG, Bora
  • 장민철 JANG, Minchul
  • 윤석일 YOUN, Suk Il
  • 손병국 SON, Byoungkuk
Agents
  • 김성호 KIM, Sung Ho
Priority Data
10-2018-013044430.10.2018KR
10-2019-013680730.10.2019KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) LITHIUM ELECTRODE AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) ÉLECTRODE AU LITHIUM ET ACCUMULATEUR AU LITHIUM LA COMPRENANT
(KO) 리튬 전극 및 이를 포함하는 리튬 이차전지
Abstract
(EN)
The present invention relates to a lithium electrode and a lithium secondary battery comprising same. More specifically, the lithium electrode comprises a protective layer, in which an ion conductive electrolyte is contained in the inside and surface of an electrically conductive matrix, wherein the protective layer can equalize the electrical conductivity in the surface of the lithium electrode, physically prevent the growth of lithium dendrites by exerting strength during the growth of lithium dendrites, and suppress the generation of dead lithium.
(FR)
La présente invention concerne une électrode au lithium et un accumulateur au lithium la comprenant. Plus spécifiquement, l'électrode au lithium comprend une couche de protection, dans laquelle un électrolyte conducteur d'ions est contenu à l'intérieur et à la surface d'une matrice électriquement conductrice, la couche de protection pouvant égaliser la conductivité électrique dans la surface de l'électrode au lithium, empêcher physiquement la croissance de dendrites de lithium en exerçant une force pendant la croissance de dendrites de lithium, et supprimer la génération de lithium mort.
(KO)
본 발명은 리튬 전극 및 이를 포함하는 리튬 이차전지에 관한 것으로, 보다 상세하게는, 상기 리튬 전극은 전기 전도성 매트릭스의 내부와 표면에 이온 전도성 전해질이 포함된 보호층을 포함하며, 상기 보호층은 리튬 전극 표면의 전기 전도도를 균일하게 하고 리튬 덴드라이트 성장 시 강도를 부여하여 물리적으로 리튬 덴드라이트 성장을 방지할 수 있으며, dead 리튬의 발생을 억제할 수 있다.
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