LU601996B1 - Method of preparing an amorphous moo2-x@c composite material - Google Patents

Method of preparing an amorphous moo2-x@c composite material

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Publication number
LU601996B1
LU601996B1 LU601996A LU601996A LU601996B1 LU 601996 B1 LU601996 B1 LU 601996B1 LU 601996 A LU601996 A LU 601996A LU 601996 A LU601996 A LU 601996A LU 601996 B1 LU601996 B1 LU 601996B1
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LU
Luxembourg
Prior art keywords
amorphous
composite material
ethanol
preparing
precursor
Prior art date
Application number
LU601996A
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English (en)
Inventor
Zhenjiang Lu
Original Assignee
Univ Xinjiang
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 Xinjiang filed Critical Univ Xinjiang
Application granted granted Critical
Publication of LU601996B1 publication Critical patent/LU601996B1/en

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Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G39/00—Compounds of molybdenum
    • C01G39/02—Oxides; Hydroxides
    • 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
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • 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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Claims (7)

PATENTANSPRUCHE LU601996
1. Verfahren zur Herstellung eines amorphen MoO2,@C-Verbundmaterials, dadurch gekennzeichnet, dass Phosphomolybdänsäure als Molybdänquelle und Pyrrol als Kohlenstoffquelle verwendet werden, umfassend folgende Schritte: S1: Lösen von Phosphomolybdänsäure in Ethanol, um eine Phosphomolybdänsäure-Ethanollösung herzustellen; anschließend Lösen von 2-Methylimidazol in einem anderen Teil Ethanol, um eine 2-Methylimidazol-Ethanollösung zu bilden, und dann Hinzufügen zu der Phosphomolybdänsäure-Ethanollösung; dann Stehenlassen der gemischten Lösung und Sammeln des resultierenden Mo-MI-Vorläufers durch Zentrifugieren; S2: Dispergieren der in S1 erhaltenen Mo-MI-Vorläufer-Nanokugeln in entionisiertem Wasser, gefolgt von Rühren; dann tropfenweises Hinzufügen einer Pyrrol-Lôsung und kontinuierliches Rühren in einem Eiswasserbad; anschließend Durchführen einer Zentrifugation, um einen mit Polypyrrol beschichteten Mo-MI-Vorläufer (Mo-MI@PPy) zu erhalten, gefolgt von einer Vakuumtrocknung des Vorläufers bei 60°C für 24 Stunden; und S3: Unterziehen des getrockneten Mo-MI@PPy-Vorläufers einer Pyrolyse bei 450°C für 2 Stunden unter einer Stickstoffatmosphéare, wodurch ein amorphes MoO2x@C-Verbundmaterial erhalten wird.
2. Verfahren zur Herstellung des amorphen MoO2x@C-Verbundmaterials nach Anspruch 1, dadurch gekennzeichnet, dass in S1 ein Verhältnis von Phosphomolybdänsäure zu Ethanol 0,06 mmol: 100 mL beträgt.
3. Verfahren zur Herstellung des amorphen MoO2,@C-Verbundmaterials nach Anspruch 1, dadurch gekennzeichnet, dass in S1 ein Verhältnis von 2-Methylimidazol zu Ethanol 12,0 mml: 100 mL.
4. Verfahren zur Herstellung des amorphen MoO2x@C-Verbundmaterials nach 6041996 Anspruch 1, dadurch gekennzeichnet, dass in S1 eine Reinheit des Ethanols 99,7 % betragt.
5. Verfahren zur Herstellung des amorphen MoO2,@C-Verbundmaterials nach Anspruch 1, dadurch gekennzeichnet, dass in S2 ein Verhältnis von Mo-MI-Nanokugeln zu entionisiertem Wasser 50 mg: 50 mL.
6. Verfahren zur Herstellung des amorphen MoO2x@C-Verbundmaterials nach Anspruch 1, dadurch gekennzeichnet, dass in S2 eine Menge des verwendeten Pyrrols 100 pL beträgt.
7. Verfahren zur Herstellung des amorphen MoO2,@C-Verbundmaterials nach Anspruch 1, dadurch gekennzeichnet, dass in S2 die Mo-MI-Nanokugeln in entionisiertem Wasser dispergiert und 1 h lang gerührt werden, gefolgt von der tropfenweisen Zugabe von 100 pl Pyrrol-Lôsung und Rühren für 2 h in einem Eiswasserbad.
LU601996A 2024-11-14 2025-06-10 Method of preparing an amorphous moo2-x@c composite material LU601996B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411627840.0A CN119528219A (zh) 2024-11-14 2024-11-14 一种非晶态MoO2-x@C复合材料的制备方法

Publications (1)

Publication Number Publication Date
LU601996B1 true LU601996B1 (en) 2025-12-10

Family

ID=94704717

Family Applications (1)

Application Number Title Priority Date Filing Date
LU601996A LU601996B1 (en) 2024-11-14 2025-06-10 Method of preparing an amorphous moo2-x@c composite material

Country Status (2)

Country Link
CN (1) CN119528219A (de)
LU (1) LU601996B1 (de)

Also Published As

Publication number Publication date
CN119528219A (zh) 2025-02-28

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Effective date: 20251210