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1. WO2020069619 - ADDITIVES FOR ELECTROLYTES IN LI-ION BATTERIES

Publication Number WO/2020/069619
Publication Date 09.04.2020
International Application No. PCT/CA2019/051415
International Filing Date 03.10.2019
IPC
C07C 255/35 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
255Carboxylic acid nitriles
01having cyano groups bound to acyclic carbon atoms
32having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
35the carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
H01M 10/0525 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
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 10/056 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
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 255/35
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
CACYCLIC OR CARBOCYCLIC COMPOUNDS
255Carboxylic acid nitriles
01having cyano groups bound to acyclic carbon atoms
32having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
35the carbon skeleton being further substituted by halogen atoms, or by nitro or nitroso groups
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 10/056
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
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
Applicants
  • HYDRO-QUÉBEC [CA]/[CA]
  • MURATA MANUFACTURING CO., LTD. [JP]/[JP]
Inventors
  • MALLET, Charlotte
  • ROCHON, Sylviane
  • ZAGHIB, Karim
Agents
  • LAVERY, DE BILLY, L.L.P.
Priority Data
62/741,27504.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ADDITIVES FOR ELECTROLYTES IN LI-ION BATTERIES
(FR) ADDITIFS POUR ÉLECTROLYTES DANS DES BATTERIES LI-ION
Abstract
(EN)
Method of improving the performance and safety of a Li-ion battery. The method comprises using a nitrile-based small organic compound of general formula I, V or IX outlined below in association with the electrolyte of the battery.
(FR)
L'invention concerne un procédé d'amélioration de la performance et de la sécurité d'une batterie Li-ion. Le procédé comprend l'utilisation d'un petit composé organique à base de nitrile de formule générale I, V ou IX décrite ci-dessous en association avec l'électrolyte de la batterie.
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