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1. WO2019093853 - NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME

Publication Number WO/2019/093853
Publication Date 16.05.2019
International Application No. PCT/KR2018/013783
International Filing Date 13.11.2018
IPC
H01M 10/0567 2010.1
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
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564the electrolyte being constituted of organic materials only
0566Liquid materials
0567characterised by the additives
H01M 4/525 2010.1
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
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
52of nickel, cobalt or iron
525of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
H01M 4/505 2010.1
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
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
50of manganese
505of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 10/052 2010.1
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
CPC
H01M 10/052
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
H01M 10/0567
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
056characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
0564the electrolyte being constituted of organic materials only
0566Liquid materials
0567characterised by the additives
H01M 4/505
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
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
50of manganese
505of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
H01M 4/525
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
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
52of nickel, cobalt or iron
525of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
Y02E 60/10
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
10Energy storage using batteries
Applicants
  • 주식회사 엘지화학 LG CHEM, LTD. [KR]/[KR]
Inventors
  • 김하은 KIM, Ha Eun
  • 임영민 LIM, Young Min
  • 김광연 KIM, Gwang Yeon
  • 이철행 LEE, Chul Haeng
Agents
  • 특허법인 태평양 BAE, KIM & LEE IP GROUP
Priority Data
10-2017-015092013.11.2017KR
10-2018-013840812.11.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) NON-AQUEOUS ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY COMPRISING SAME
(FR) ÉLECTROLYTE NON AQUEUX POUR BATTERIE SECONDAIRE AU LITHIUM ET BATTERIE SECONDAIRE AU LITHIUM LE COMPRENANT
(KO) 리튬 이차전지용 비수전해액 및 이를 포함하는 리튬 이차전지
Abstract
(EN)
The present invention relates to a non-aqueous electrolyte for a lithium secondary battery and a lithium secondary battery comprising the same and, specifically, to a non-aqueous electrolyte for a lithium secondary battery, the non-aqueous electrolyte comprising: a lithium salt; an organic solvent; and an additive, the additive being a mixture additive comprising lithium difluorophosphate, fluorobenzene, tetravinyl silane, and a compound containing one sulfonate group or sulfate group at a weight ratio of 1 : 2-8 : 0.05-0.3 : 0.5-2, and to a lithium secondary battery comprising the same.
(FR)
La présente invention concerne un électrolyte non aqueux pour une batterie secondaire au lithium et une batterie secondaire au lithium le comprenant et, spécifiquement, un électrolyte non aqueux pour une batterie secondaire au lithium, l'électrolyte non aqueux comprenant : un sel de lithium ; un solvant organique ; et un additif, l'additif étant un additif de mélange comprenant du difluorophosphate de lithium, du fluorobenzène, du tétravinyl silane et un composé contenant un groupe sulfonate ou un groupe sulfate selon un rapport pondéral de 1 : 2-8 : 0,05-0,3 : 0,5-2, et une batterie secondaire au lithium le comprenant.
(KO)
본 발명은 리튬 이차전지용 비수전해액 및 이를 포함하는 리튬 이차전지에 관한 것으로, 구체적으로 리튬염; 유기 용매; 및 첨가제를 포함하며, 상기 첨가제는 리튬 디플루오로포스페이트, 플루오로벤젠, 테트라비닐실란 및 하나의 설포네이트기 또는 설페이트기를 함유하는 화합물을 1 : 2 내지 8 : 0.05 내지 0.3 : 0.5 내지 2의 중량비로 포함하는 혼합 첨가제인 리튬 이차전지용 비수전해액 및 이를 포함하는 리튬 이차전지에 관한 것이다.
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