MA61728A1 - Méthode de préparation du tétraoxyde de cobalt dopé au tungstène et son utilisation - Google Patents

Méthode de préparation du tétraoxyde de cobalt dopé au tungstène et son utilisation

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Publication number
MA61728A1
MA61728A1 MA61728A MA61728A MA61728A1 MA 61728 A1 MA61728 A1 MA 61728A1 MA 61728 A MA61728 A MA 61728A MA 61728 A MA61728 A MA 61728A MA 61728 A1 MA61728 A1 MA 61728A1
Authority
MA
Morocco
Prior art keywords
tungsten
preparation
doped
solution
molybdenum
Prior art date
Application number
MA61728A
Other languages
English (en)
Inventor
Haijun YU
Yinghao XIE
Xuemei Zhang
Changdong LI
Aixia LI
Original Assignee
Guangdong Brunp Recycling Technology Co., Ltd.
Hunan Brunp Recycling Technology Co., Ltd.
Hunan Brunp Ev Recycling Co., Ltd.
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 Guangdong Brunp Recycling Technology Co., Ltd., Hunan Brunp Recycling Technology Co., Ltd., Hunan Brunp Ev Recycling Co., Ltd. filed Critical Guangdong Brunp Recycling Technology Co., Ltd.
Publication of MA61728A1 publication Critical patent/MA61728A1/fr

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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
    • 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
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/04—Oxides
    • C—CHEMISTRY; METALLURGY
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    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/40—Complex oxides containing cobalt and at least one other metal element
    • C01G51/42—Complex oxides containing cobalt and at least one other metal element containing alkali metals, e.g. LiCoO2
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • 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
    • 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
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
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    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
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    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
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    • H04N19/1883—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]
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    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
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    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C01P2002/54—Solid solutions containing elements as dopants one element only
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    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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  • Chemical & Material Sciences (AREA)
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  • Inorganic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

La présente invention concerne une méthode de préparation du tétraoxyde de cobalt dopé au tungstène et son utilisation. La méthode de préparation comprend les étapes suivantes : dissolution d'un composé contenant du tungstène et d'un composé contenant du molybdène dans un liquide alcalin pour obtenir une solution mixte ; alimentation simultanée de la solution mixte, d'une solution de sel de cobalt et d'un agent de complexation dans une solution de base pour permettre une réaction et obtenir un précipité ; calcination du précipité dans une atmosphère contenant de l'oxygène pour obtenir un matériau calciné ; et trempage du matériau calciné dans une solution de sulfure de sodium pour obtenir le tétraoxyde de cobalt dopé au tungstène. Dans la présente divulgation, le tungstène est dopé, et le tungstène a un grand rayon atomique, ce qui stabilise une structure interne du matériau, élargit le canal ionique et améliore les performances de cyclage du matériau ; et le molybdène est éliminé par un processus de trempage, ce qui crée des lacunes atomiques pour améliorer davantage la capacité spécifique du matériau.
MA61728A 2022-04-21 2023-02-20 Méthode de préparation du tétraoxyde de cobalt dopé au tungstène et son utilisation MA61728A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210421740.7A CN114671470B (zh) 2022-04-21 2022-04-21 掺杂钨的四氧化三钴的制备方法及其应用
PCT/CN2023/077220 WO2023202203A1 (fr) 2022-04-21 2023-02-20 Méthode de préparation et utilisation d'oxyde cobaltosique dopé au tungstène

Publications (1)

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MA61728A1 true MA61728A1 (fr) 2025-04-30

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MA61728A MA61728A1 (fr) 2022-04-21 2023-02-20 Méthode de préparation du tétraoxyde de cobalt dopé au tungstène et son utilisation

Country Status (8)

Country Link
US (1) US12606455B2 (fr)
CN (1) CN114671470B (fr)
DE (1) DE112023000017T5 (fr)
ES (1) ES2957119A2 (fr)
GB (1) GB2635886A (fr)
HU (1) HU231700B1 (fr)
MA (1) MA61728A1 (fr)
WO (1) WO2023202203A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114671470B (zh) * 2022-04-21 2023-06-13 广东邦普循环科技有限公司 掺杂钨的四氧化三钴的制备方法及其应用
CN115020698B (zh) * 2022-07-28 2023-05-09 广东邦普循环科技有限公司 一种改性钴酸锂正极材料及其制备方法与锂离子电池
GB2625613A (en) * 2022-09-27 2024-06-26 Guangdong Brunp Recycling Technology Co Ltd Modified lithium cobalt oxide positive electrode material and preperation methodtherefor, and lithium ion battery
CN118702160B (zh) * 2024-07-17 2025-09-23 格林美（江苏）钴业股份有限公司 一种高掺杂铝四氧化三钴及其制备方法

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JP2000117269A (ja) * 1998-10-09 2000-04-25 Kawasaki Kasei Chem Ltd 溶液中のモリブデンの除去方法
CN108217753A (zh) * 2016-12-14 2018-06-29 天津国安盟固利新材料科技股份有限公司 一种梯度掺杂四氧化三钴材料及其制备方法
CN108315556A (zh) * 2018-04-04 2018-07-24 江西铜鼓有色冶金化工有限责任公司 一种钨冶炼过程中硫化除钼的方法与系统
CN108455686A (zh) * 2018-05-21 2018-08-28 兰州金川新材料科技股份有限公司 一种掺铌钨钽四氧化三钴的制备方法
CN112645390A (zh) * 2020-12-22 2021-04-13 惠州亿纬锂能股份有限公司 一种具有包覆结构的钴酸锂前驱体、其制备方法及用途

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CN114671470B (zh) 2023-06-13
CN114671470A (zh) 2022-06-28
US20230382761A1 (en) 2023-11-30
DE112023000017T5 (de) 2023-12-28
US12606455B2 (en) 2026-04-21
GB2635886A (en) 2025-06-04
ES2957119A2 (es) 2024-01-11
GB202310919D0 (en) 2023-08-30
HU231700B1 (hu) 2025-09-28
HUP2400117A1 (hu) 2024-04-28
WO2023202203A1 (fr) 2023-10-26

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