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1. WO2022126253 - ELECTRODE MATERIALS COMPRISING A LAMELLAR METAL OXIDE COATED WITH A TUNNEL-TYPE METAL OXIDE, ELECTRODES COMPRISING SAME AND USE THEREOF IN ELECTROCHEMISTRY

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Publication Number WO/2022/126253
Publication Date 23.06.2022
International Application No. PCT/CA2021/051798
International Filing Date 14.12.2021
IPC
H01M 4/131
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
131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 10/0525 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
0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
H01M 10/056 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
H01M 4/1391 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
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139Processes of manufacture
1391of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
H01M 4/62 2006.1
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
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
Applicants
  • HYDRO-QUÉBEC [CA]/[CA]
Inventors
  • WANG, Yuesheng
  • ZAGHIB, Karim
  • LAJOIE, Gilles
  • VIGEANT, Marie-josée
  • KIM, Chisu
Agents
  • ROBIC S.E.N.C.R.L./LLP
Priority Data
63/125,14714.12.2020US
Publication Language French (fr)
Filing Language French (FR)
Designated States
Title
(EN) ELECTRODE MATERIALS COMPRISING A LAMELLAR METAL OXIDE COATED WITH A TUNNEL-TYPE METAL OXIDE, ELECTRODES COMPRISING SAME AND USE THEREOF IN ELECTROCHEMISTRY
(FR) MATÉRIAUX D'ÉLECTRODE COMPRENANT UN OXYDE LAMELLAIRE DE MÉTAUX ENROBÉ D'UN OXYDE DE MÉTAUX DE TYPE TUNNEL, ÉLECTRODES LES COMPRENANT ET LEUR UTILISATION EN ÉLECTROCHIMIE
front page image
Abstract
(EN) The present invention relates to electrode materials comprising an electrochemically active material, wherein the electrochemically active material comprises a lamellar oxide based on at least one alkali metal and at least one metal element and a coating material comprising a tunnel-type mixed oxide based on at least two metals. Electrodes, electrochemical cells and batteries comprising the electrode material are also described. For example, the battery may be a lithium battery, a lithium-ion battery, a sodium battery or a sodium-ion battery.
(FR) La présente technologie concerne des matériaux d'électrode comprenant un matériau électrochimiquement actif, dans lequel le matériau électrochimiquement actif comprend un oxyde lamellaire à base d'au moins un métal alcalin et d'au moins un élément métallique et un matériau d'enrobage comprenant un oxyde mixte de type tunnel à base d'au moins deux métaux. Sont également décrites des électrodes, des cellules électrochimiques et des batteries comprenant ledit matériau d'électrode. Par exemple, ladite batterie peut être une batterie au lithium, une batterie au lithium-ion, une batterie au sodium ou une batterie au sodium-ion.
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