FR3131449B1 - METHOD FOR MANUFACTURING A POROUS ELECTRODE, AND MICROBATTERY CONTAINING SUCH AN ELECTRODE - Google Patents
METHOD FOR MANUFACTURING A POROUS ELECTRODE, AND MICROBATTERY CONTAINING SUCH AN ELECTRODE Download PDFInfo
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- FR3131449B1 FR3131449B1 FR2114453A FR2114453A FR3131449B1 FR 3131449 B1 FR3131449 B1 FR 3131449B1 FR 2114453 A FR2114453 A FR 2114453A FR 2114453 A FR2114453 A FR 2114453A FR 3131449 B1 FR3131449 B1 FR 3131449B1
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- electrode
- porous
- microbattery
- manufacturing
- porous electrode
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- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000463 material Substances 0.000 abstract 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 abstract 1
- 229910001416 lithium ion Inorganic materials 0.000 abstract 1
- 239000011148 porous material Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
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- H01M4/0414—Methods of deposition of the material by screen printing
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- H01M4/0416—Methods of deposition of the material involving impregnation with a solution, dispersion, paste or dry powder
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
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- H01M4/0421—Methods of deposition of the material involving vapour deposition
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- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/045—Electrochemical coating; Electrochemical impregnation
- H01M4/0457—Electrochemical coating; Electrochemical impregnation from dispersions or suspensions; Electrophoresis
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
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- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
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- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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- H01M4/625—Carbon or graphite
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- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
- H01M4/1315—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx containing halogen atoms, e.g. LiCoOxFy
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- H01M4/13915—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx containing halogen atoms, e.g. LiCoOxFy
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- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/581—Chalcogenides or intercalation compounds thereof
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
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- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
Abstract
La présente invention concerne une électrode poreuse utilisable dans des batteries, telles qu’une une microbatterie à ions de lithium. Cette électrode poreuse comprend une couche poreuse d’au moins un matériau actif d’électrode P déposée sur un substrat, et un revêtement en matériau oxyde conducteur électronique présent sur et à l’intérieur des pores de ladite couche poreuse d’au moins un matériau actif d’électrode P.The present invention relates to a porous electrode usable in batteries, such as a lithium ion microbattery. This porous electrode comprises a porous layer of at least one active electrode material P deposited on a substrate, and a coating of electronically conductive oxide material present on and inside the pores of said porous layer of at least one material active electrode P.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2114453A FR3131449B1 (en) | 2021-12-23 | 2021-12-23 | METHOD FOR MANUFACTURING A POROUS ELECTRODE, AND MICROBATTERY CONTAINING SUCH AN ELECTRODE |
PCT/IB2022/062522 WO2023139429A1 (en) | 2021-12-23 | 2022-12-20 | Method for producing a porous electrode, and battery containing such an electrode |
TW111149163A TW202339329A (en) | 2021-12-23 | 2022-12-21 | A porous electrode, an electronic or electrochemical device and battery containing such an electrode, and methods for manufacturing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2114453 | 2021-12-23 | ||
FR2114453A FR3131449B1 (en) | 2021-12-23 | 2021-12-23 | METHOD FOR MANUFACTURING A POROUS ELECTRODE, AND MICROBATTERY CONTAINING SUCH AN ELECTRODE |
Publications (2)
Publication Number | Publication Date |
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FR3131449A1 FR3131449A1 (en) | 2023-06-30 |
FR3131449B1 true FR3131449B1 (en) | 2023-12-22 |
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FR2114453A Active FR3131449B1 (en) | 2021-12-23 | 2021-12-23 | METHOD FOR MANUFACTURING A POROUS ELECTRODE, AND MICROBATTERY CONTAINING SUCH AN ELECTRODE |
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FR (1) | FR3131449B1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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FR3080862B1 (en) * | 2018-05-07 | 2022-12-30 | I Ten | METHOD FOR MANUFACTURING ANODES FOR LITHIUM ION BATTERIES |
FR3080957B1 (en) | 2018-05-07 | 2020-07-10 | I-Ten | MESOPOROUS ELECTRODES FOR THIN FILM ELECTROCHEMICAL DEVICES |
FR3109672B1 (en) | 2020-04-28 | 2022-10-14 | I Ten | METHOD FOR MANUFACTURING A POROUS ELECTRODE, AND MICROBATTERY CONTAINING SUCH ELECTRODE |
FR3109670B1 (en) * | 2020-04-28 | 2022-10-14 | I Ten | METHOD FOR MANUFACTURING A POROUS ELECTRODE AND SEPARATOR ASSEMBLY, A POROUS ELECTRODE AND SEPARATOR ASSEMBLY, AND MICROBATTERY CONTAINING SUCH AN ASSEMBLY |
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2021
- 2021-12-23 FR FR2114453A patent/FR3131449B1/en active Active
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Publication number | Publication date |
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FR3131449A1 (en) | 2023-06-30 |
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