MA56293B1 - PURIFIED SILICA FROM INDUSTRIAL BY-PRODUCT AND ITS USE AS ANODE COMPONENT FOR LITHIUM-ION BATTERIES - Google Patents

PURIFIED SILICA FROM INDUSTRIAL BY-PRODUCT AND ITS USE AS ANODE COMPONENT FOR LITHIUM-ION BATTERIES

Info

Publication number
MA56293B1
MA56293B1 MA56293A MA56293A MA56293B1 MA 56293 B1 MA56293 B1 MA 56293B1 MA 56293 A MA56293 A MA 56293A MA 56293 A MA56293 A MA 56293A MA 56293 B1 MA56293 B1 MA 56293B1
Authority
MA
Morocco
Prior art keywords
lithium
ion batteries
industrial
anode component
product
Prior art date
Application number
MA56293A
Other languages
French (fr)
Other versions
MA56293A1 (en
Inventor
Mouad Dahbi
Loubna Hdidou
Jones Alami
Original Assignee
Univ Mohammed Vi Polytechnique
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Mohammed Vi Polytechnique filed Critical Univ Mohammed Vi Polytechnique
Priority to MA56293A priority Critical patent/MA56293B1/en
Priority to PCT/MA2023/050006 priority patent/WO2023200323A1/en
Publication of MA56293A1 publication Critical patent/MA56293A1/en
Publication of MA56293B1 publication Critical patent/MA56293B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/08—Compounds containing halogen
    • C01B33/10—Compounds containing silicon, fluorine, and other elements
    • C01B33/103—Fluosilicic acid; Salts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/36—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
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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
    • H01M4/36—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
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Silicon Compounds (AREA)

Abstract

L'invention consiste en un procédé de purification de silice récupérée à partir de déchets de catalyseurs d'acide sulfurique usés, comprenant les étapes de broyage, puis d'élimination des impuretés, et enfin de filtration et de séchage des particules de silice purifiées et l’utilisation de celles-ci dans la fabrication d'un composant d'anode destinée aux batteries lithium-ion, ou dans la préparation de l'acide hexafluoro-silicique.The invention consists of a process for purifying silica recovered from spent sulfuric acid catalyst waste, comprising the steps of grinding, then removing impurities, and finally filtering and drying the purified silica particles and the use of these in the manufacture of an anode component intended for lithium-ion batteries, or in the preparation of hexafluoro-silicic acid.

MA56293A 2022-04-12 2022-04-12 PURIFIED SILICA FROM INDUSTRIAL BY-PRODUCT AND ITS USE AS ANODE COMPONENT FOR LITHIUM-ION BATTERIES MA56293B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MA56293A MA56293B1 (en) 2022-04-12 2022-04-12 PURIFIED SILICA FROM INDUSTRIAL BY-PRODUCT AND ITS USE AS ANODE COMPONENT FOR LITHIUM-ION BATTERIES
PCT/MA2023/050006 WO2023200323A1 (en) 2022-04-12 2023-04-12 Purified silica from industrial by-products, and use of same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MA56293A MA56293B1 (en) 2022-04-12 2022-04-12 PURIFIED SILICA FROM INDUSTRIAL BY-PRODUCT AND ITS USE AS ANODE COMPONENT FOR LITHIUM-ION BATTERIES

Publications (2)

Publication Number Publication Date
MA56293A1 MA56293A1 (en) 2023-10-31
MA56293B1 true MA56293B1 (en) 2024-04-30

Family

ID=86469007

Family Applications (1)

Application Number Title Priority Date Filing Date
MA56293A MA56293B1 (en) 2022-04-12 2022-04-12 PURIFIED SILICA FROM INDUSTRIAL BY-PRODUCT AND ITS USE AS ANODE COMPONENT FOR LITHIUM-ION BATTERIES

Country Status (2)

Country Link
MA (1) MA56293B1 (en)
WO (1) WO2023200323A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3545610A1 (en) * 1985-12-21 1987-06-25 Bayer Ag METHOD FOR CLEANING SIO (DOWN ARROW) 2 (DOWN ARROW)
JP4576312B2 (en) 2005-10-03 2010-11-04 東北電力株式会社 Manufacturing method of silicon tetrafluoride and manufacturing apparatus used therefor
CN108751210B (en) * 2018-06-23 2020-10-09 新疆能源（集团）晶拓科技材料有限责任公司 Calcining method of high-purity quartz sand
CN110416524A (en) * 2019-08-07 2019-11-05 山东大学 Polythiophene/silicon/graphite composite material, negative electrode material and preparation method and application
CN113019682A (en) * 2019-12-24 2021-06-25 江苏康姆罗拉特种陶瓷有限公司 Processing and purifying process for high-purity fused quartz sand

Also Published As

Publication number Publication date
WO2023200323A1 (en) 2023-10-19
MA56293A1 (en) 2023-10-31

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