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1. WO2022005999 - ANODES FOR LITHIUM-BASED ENERGY STORAGE DEVICES

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Publication Number WO/2022/005999
Publication Date 06.01.2022
International Application No. PCT/US2021/039426
International Filing Date 28.06.2021
IPC
H01M 4/13 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
H01M 4/1395 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
1395of electrodes based on metals, Si or alloys
H01M 4/48 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
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
H01M 4/66 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
64Carriers or collectors
66Selection of materials
H01M 4/80 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
64Carriers or collectors
70characterised by shape or form
80Porous plates, e.g. sintered carriers
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
CPC
H01M 2004/027
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
026characterised by the polarity
027Negative electrodes
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 4/134
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
134Electrodes based on metals, Si or alloys
H01M 4/366
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
36Selection of substances as active materials, active masses, active liquids
362Composites
366as layered products
H01M 4/485
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
36Selection of substances as active materials, active masses, active liquids
48of inorganic oxides or hydroxides
485of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H01M 4/5825
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
36Selection of substances as active materials, active masses, active liquids
58of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
5825Oxygenated metallic slats or polyanionic structures, e.g. borates, phosphates, silicates, olivines
Applicants
  • GRAPHENIX DEVELOPMENT, INC. [US]/[US]
Inventors
  • BREWER, John C.
  • WARREN, Alexander J.
  • TANZIL, Kevin
  • GARMAN, Paul D.
  • ANSTEY, Robert G.
  • POVLOCK, Kyle P.
Agents
  • HSU, David D.
  • BERNARD, Eugene J.
Priority Data
63/045,57029.06.2020US
63/179,97126.04.2021US
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) ANODES FOR LITHIUM-BASED ENERGY STORAGE DEVICES
(FR) ANODES POUR DISPOSITIFS DE STOCKAGE D'ÉNERGIE À BASE DE LITHIUM
front page image
Abstract
(EN) An anode for an energy storage device includes a current collector having an electrically conductive layer and a surface layer disposed over the electrically conductive layer. The surface layer may include a first surface sublayer proximate the electrically conductive layer and a second surface sublayer disposed over the first surface sublayer. The first surface sublayer may include zinc. The second surface sublayer may include a metal-oxygen compound, wherein the metal-oxygen compound includes a transition metal other than zinc. The current collector may be characterized by a surface roughness Ra ≥ 250 nm. The anode further includes a continuous porous lithium storage layer overlaying the surface layer. The continuous porous lithium storage layer may have an average thickness of at least 7 µm, may include at least 40 atomic % silicon, germanium, or a combination thereof, and may be substantially free of carbon-based binders.
(FR) L'invention concerne une anode pour un dispositif de stockage d'énergie comprenant un collecteur de courant ayant une couche électriquement conductrice et une couche de surface disposée sur la couche électriquement conductrice. La couche de surface peut comprendre une première sous-couche de surface à proximité de la couche électriquement conductrice et une seconde sous-couche de surface disposée sur la première sous-couche de surface. La première sous-couche de surface peut comprendre du zinc. La seconde sous-couche de surface peut comprendre un composé métal-oxygène, le composé métal-oxygène comprenant un métal de transition autre que le zinc. Le collecteur de courant peut être caractérisé par une rugosité de surface Ra ≥ 250 nm. L'anode comprend en outre une couche de stockage de lithium poreuse continue recouvrant la couche de surface. La couche de stockage de lithium poreuse continue peut avoir une épaisseur moyenne d'au moins 7 µm, peut comprendre au moins 40 % atomique de silicium, de germanium ou une combinaison de ceux-ci, et peut être sensiblement exempt de liants à base de carbone.
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