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1. WO2022205172 - ELECTROLYTE, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS

Publication Number WO/2022/205172
Publication Date 06.10.2022
International Application No. PCT/CN2021/084677
International Filing Date 31.03.2021
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
CPC
H01M 10/0525
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
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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 10/0568
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
0568characterised by the solutes
H01M 10/0569
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
0569characterised by the solvents
H01M 2300/0025
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2300Electrolytes
0017Non-aqueous electrolytes
0025Organic electrolyte
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
  • 宁德新能源科技有限公司 NINGDE AMPEREX TECHNOLOGY LIMITED [CN]/[CN]
Inventors
  • 王翔 WANG, Xiang
  • 刘奥 LIU, Ao
  • 唐超 TANG, Chao
  • 崔辉 CUI, Hui
Agents
  • 北京五洲洋和知识产权代理事务所(普通合伙) BEIJING WUZHOUYANGHE & PARTNERS
Priority Data
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) ELECTROLYTE, ELECTROCHEMICAL APPARATUS, AND ELECTRONIC APPARATUS
(FR) ÉLECTROLYTE, APPAREIL ÉLECTROCHIMIQUE ET APPAREIL ÉLECTRONIQUE
(ZH) 电解液、电化学装置以及电子装置
Abstract
(EN) The present application provides an electrolyte, an electrochemical apparatus, and an electronic apparatus. The electrolyte comprises a compound represented by formula (I). In formula (I), X is selected from substituted or unsubstituted anhydride. In the case of substituted anhydride, a substituent comprises at least one of an alkyl, aryl, acyloxy, aldehyde, cyano, or halogen. The electrolyte can significantly improve the high-temperature cycling performance of the electrochemical apparatus at a high voltage of 4.4 V to 4.8 V.
(FR) La présente invention concerne un électrolyte, un appareil électrochimique et un appareil électronique. L'électrolyte comprend un composé représenté par la formule (I). Dans la formule (I), X est choisi parmi l'anhydride substitué ou non substitué. Dans le cas d'un anhydride substitué, un substituant comprend au moins un parmi un alkyle, un aryle, un acyloxy, un aldéhyde, un cyano ou un halogène. L'électrolyte peut améliorer significativement les performances de cyclage à haute température de l'appareil électrochimique à une tension élevée de 4,4 V à 4,8 V.
(ZH) 本申请提供了一种电解液、电化学装置以及电子装置。所述电解液包括式(I)表示的化合物;在式(I)中,X选自经取代或未经取代基的酸酐;经取代时,取代基包括烷基、芳基、酰氧基、醛基、氰基或卤素中的至少一种。所述电解液可以显著改善所述电化学装置在4.4至4.8V高电压下的高温循环性能。
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