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1. WO2020135584 - POSITIVE ELECTRODE FILM FORMATION ADDITIVE FOR BATTERY ELECTROLYTE, AND ELECTROLYTE AND LITHIUM BATTERY USING ADDITIVE

Publication Number WO/2020/135584
Publication Date 02.07.2020
International Application No. PCT/CN2019/128699
International Filing Date 26.12.2019
IPC
H01M 10/0567 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
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
C07C 255/15
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
255Carboxylic acid nitriles
01having cyano groups bound to acyclic carbon atoms
15containing cyano groups and singly-bound oxygen atoms bound to the same unsaturated acyclic carbon skeleton
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 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
H01M 2300/0091
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
2300Electrolytes
0088Composites
0091in the form of mixtures
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
  • 浙江省化工研究院有限公司 ZHEJIANG RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CO., LTD [CN]/[CN]
  • 中化蓝天集团有限公司 SINOCHEM LANTIAN CO., LTD [CN]/[CN]
Inventors
  • 马国强 MA, Guoqiang
  • 张海兵 ZHANG, Haibing
  • 蒋志敏 JIANG, Zhimin
  • 沈旻 SHEN, Min
  • 董经博 DONG, Jingbo
  • 刘海岛 LIU, Haidao
  • 陈慧闯 CHEN, Huichuang
  • 李南 LI, Nan
Agents
  • 浙江杭州金通专利事务所有限公司 ZHEJIANG HANGZHOU JINTONG PATENT AGENCY CO., LTD
Priority Data
201811639257.629.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) POSITIVE ELECTRODE FILM FORMATION ADDITIVE FOR BATTERY ELECTROLYTE, AND ELECTROLYTE AND LITHIUM BATTERY USING ADDITIVE
(FR) ADDITIF DE FORMATION DE FILM D'ÉLECTRODE POSITIVE POUR ÉLECTROLYTE DE BATTERIE, ET ÉLECTROLYTE ET BATTERIE AU LITHIUM UTILISANT L'ADDITIF
(ZH) 一种电池电解液正极成膜添加剂及使用该添加剂的电解液和锂离子电池
Abstract
(EN)
The present invention provides an additive applied in a battery electrolyte. The additive has the structure represented by formula (I) below. The substituent is shown in the description. The present invention further provides an electrolyte and battery using the additive. The additive provided by the present invention can be used for forming a stable CEI film on the surface of a positive electrode, and improves the circulation performance of high voltage of the battery.
(FR)
La présente invention concerne un additif appliqué dans un électrolyte de batterie. L'additif a la structure représentée par la formule (I) ci-dessous. Le substituant est représenté dans la description. La présente invention concerne en outre un électrolyte et une batterie utilisant l'additif. L'additif selon la présente invention peut être utilisé pour former un film CEI stable sur la surface d'une électrode positive, et améliore les performances de circulation de haute tension de la batterie.
(ZH)
本发明提供了一种应用于电池电解液的添加剂,具有如下(I)所示结构,取代基见说明书。本发明还提供了使用此添加剂的电解液和电池。本发明提供的添加剂能够在正极表面形成的稳定的CEI膜,提高电池高电压的循环性能。
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