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1. WO2020068870 - CHEMICAL PREALKALIATION OF ELECTRODES

Publication Number WO/2020/068870
Publication Date 02.04.2020
International Application No. PCT/US2019/052787
International Filing Date 24.09.2019
IPC
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 10/0569 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
0569characterised by the solvents
H01M 10/0587 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
058Construction or manufacture
0587of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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 10/054
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
054Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
H01M 4/0459
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
04Processes of manufacture in general
0438by electrochemical processing
0459Electrochemical doping, intercalation, occlusion or alloying
H01M 4/049
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
04Processes of manufacture in general
049Manufacturing of an active layer by chemical means
H01M 4/139
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
H01M 4/1391
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
Applicants
  • UWM RESEARCH FOUNDATION, INC. [US]/[US]
Inventors
  • QU, Deyang
  • WANG, Gong, Wei
  • ZHANG, Xiaoxiao
  • QU, Huainan
Agents
  • ZERN, Blaine, J.
  • RIZZUTO, Kevin, P.
  • LANGER, Michael, R.
Priority Data
62/735,83124.09.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) CHEMICAL PREALKALIATION OF ELECTRODES
(FR) PRÉ-ALCALINISATION CHIMIQUE D'ÉLECTRODES
Abstract
(EN)
Disciosed herein are methods of making an electrode. The method includes contacting an electrode material with a mixture that includes an alkali metal, an organic solvent, and an aromatic compound. Also disclosed herein are methods of making a battery that includes an electrode provided by the disclosed methods.
(FR)
La présente invention concerne des procédés de fabrication d'une électrode. Le procédé comprend la mise en contact d'un matériau d'électrode avec un mélange qui comprend un métal alcalin, un solvant organique et un composé aromatique. L'invention concerne également des procédés de fabrication d'un accumulateur qui comprend une électrode fournie par les procédés décrits.
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