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WO2017036069A1 - Bille de fil micronique creuse de v2o5 avec structure d'enroulement tridimensionnelle de nanofil et son procédé de préparation ainsi que son utilisation - Google Patents

Bille de fil micronique creuse de v2o5 avec structure d'enroulement tridimensionnelle de nanofil et son procédé de préparation ainsi que son utilisation Download PDF

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Publication number
WO2017036069A1
WO2017036069A1 PCT/CN2016/070896 CN2016070896W WO2017036069A1 WO 2017036069 A1 WO2017036069 A1 WO 2017036069A1 CN 2016070896 W CN2016070896 W CN 2016070896W WO 2017036069 A1 WO2017036069 A1 WO 2017036069A1
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WO
WIPO (PCT)
Prior art keywords
nanowire
wire ball
hollow micron
winding structure
dimensional winding
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Ceased
Application number
PCT/CN2016/070896
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English (en)
Chinese (zh)
Inventor
麦立强
张鹏飞
赵露滋
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Publication of WO2017036069A1 publication Critical patent/WO2017036069A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M4/36—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
    • H01M4/13—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
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention belongs to the field of nano materials and electrochemical technology, and particularly relates to a V 2 O 5 hollow micron wire ball with a three-dimensional winding structure of nanowires and a preparation method thereof, and the material can be used as a positive active material of a high-rate lithium ion battery.
  • V 2 O 5 hollow micron wire ball having a three-dimensional winding structure of nanowires, which has a diameter of 4-10 micrometers, is wound by nanowires, and forms a hollow porous structure. It is prepared by the following method, including the following steps:
  • the preparation method of the V 2 O 5 hollow micron wire ball with the nanowire three-dimensional winding structure comprises the following steps:
  • step 4) The reactant obtained in the step 3) is transferred to a hydrothermal reaction in the reaction vessel, and the reaction vessel is taken out and naturally cooled to room temperature;
  • FIG. 7 is a cycle diagram of constant current charge and discharge of a V 2 O 5 hollow micron sphere having a nanowire three-dimensionally wound structure at a high current density (2000 mA g ⁇ 1 ) according to Embodiment 1 of the present invention;
  • Embodiment 8 is a magnification diagram of a V 2 O 5 hollow micron microsphere having a nanowire three-dimensional winding structure according to Embodiment 1 of the present invention, which is discharged at a low current density (100 mA g ⁇ 1 ) and discharged at different current densities.
  • step 2) In the solution obtained in step 2), 2.0 g of tris-hydroxymethylaminomethane was added and sonicated for 30 min;
  • the V 2 O 5 hollow micron ball which is formed by three-dimensional winding of nanowires, has excellent cycle performance and rate characteristics, and is a potential application material for high-power, long-life lithium ion batteries.
  • step 2) In the solution obtained in step 2), 2.0 g of tris-hydroxymethylaminomethane was added and sonicated for 30 min;
  • step 4) The product obtained in the step 4) is centrifugally filtered, washed with anhydrous ethanol for 3-5 times, and dried in an oven to obtain a blue precursor powder;
  • step 6) The product obtained in the step 5) was calcined in a muffle furnace at 425 ° C for 3 h to obtain a V 2 O 5 hollow micron sphere which was three-dimensionally wound by nanowires.
  • the constant current charge and discharge test is performed at a current density of 100 mA/g for the first time.
  • the capacity was 144.1 mAh/g, 132.3 mAh/g after 50 cycles, and the capacity retention rate was 91.8%.
  • step 4) The product obtained in the step 4) is centrifugally filtered, washed with anhydrous ethanol for 3-5 times, and dried in an oven to obtain a blue precursor powder;
  • a method for preparing a V 2 O 5 hollow micron wire ball having a three-dimensional winding structure of nanowires comprising the following steps:
  • step 2) In the solution obtained in step 2), 2.0 g of tris-hydroxymethylaminomethane was added and sonicated for 30 min;
  • step 6) The product obtained in the step 5) was calcined at 400 ° C for 5 h in a muffle furnace to obtain a V 2 O 5 hollow micron ball which was three-dimensionally wound by nanowires.

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

Abstract

La présente invention concerne une bille de fil micronique creuse de V2O5 avec une structure d'enroulement tridimensionnelle de nanofil et son procédé de préparation. La bille de fil micronique creuse de V2O5 est préparée en utilisant le procédé suivant, comprenant les étapes suivantes consistant à : (1) peser un sol de pentoxyde de vanadium, et diluer dans de l'eau désionisée pour obtenir une solution ; (2) ajouter une solution organique à la solution obtenue à l'étape (1) en tant que solvant ; (3) ajouter du trihydroxyméthylaminométhane à la solution obtenue à l'étape (2), et réaliser un traitement par ultrasons pendant une durée de 30 minutes à 2 heures ; (4) transférer les réactifs obtenus à l'étape (3) dans une bouilloire de réaction en vue d'une réaction hydrothermique, sortir les réactifs de la bouilloire de réaction, et refroidir naturellement à température ambiante ; (5) filtrer par centrifugation les produits obtenus à l'étape (4), laver avec de l'alcool éthylique absolu, et sécher dans un four pour obtenir une poudre de précurseur bleue ; et (6) mettre les produits obtenus à l'étape (5) dans un four à moufle en vue d'une calcination pour obtenir la bille de fil micronique creuse de V2O5. La présente invention a les effets bénéfiques de présenter une excellente stabilité de cycle et des caractéristiques de vitesse élevée, et la bille de fil micronique creuse de V2O5 est un matériau d'application de potentiel pour une batterie au lithium-ion de taux d'agrandissement élevé et d'une longue durée de vie.
PCT/CN2016/070896 2015-09-02 2016-01-14 Bille de fil micronique creuse de v2o5 avec structure d'enroulement tridimensionnelle de nanofil et son procédé de préparation ainsi que son utilisation Ceased WO2017036069A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201510558250.1 2015-09-02
CN201510558250.1A CN105118977B (zh) 2015-09-02 2015-09-02 具有纳米线三维缠绕结构的v2o5空心微米线球及其制备方法和应用

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WO2017036069A1 true WO2017036069A1 (fr) 2017-03-09

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Cited By (7)

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Publication number Priority date Publication date Assignee Title
CN111883365A (zh) * 2020-07-08 2020-11-03 中国航发北京航空材料研究院 一种多维组装复合薄膜电极及其制备方法和用途
CN113371758A (zh) * 2021-07-01 2021-09-10 陕西理工大学 一种短棒自组装成珊瑚状Cu11O2(VO4)6花球的制备方法
CN113618272A (zh) * 2021-09-23 2021-11-09 重庆大学 花状核壳结构复合含能材料及其制备方法
CN113955802A (zh) * 2021-09-22 2022-01-21 辽宁科技大学 三维多级结构锂离子电池v2o5@c正极材料的制备方法
CN114039044A (zh) * 2021-11-16 2022-02-11 安阳工学院 一种由碳包覆纳米片构成的三维电极材料及制备方法
CN114853065A (zh) * 2022-05-26 2022-08-05 三峡大学 一种w掺杂v2o5自组装纳米片球电极材料制备方法
CN119612500A (zh) * 2024-12-10 2025-03-14 烟台先进材料与绿色制造山东省实验室 一种用于低温锌离子电池的电极材料制备方法及其应用

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* Cited by examiner, † Cited by third party
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CN105118977B (zh) * 2015-09-02 2017-08-25 武汉理工大学 具有纳米线三维缠绕结构的v2o5空心微米线球及其制备方法和应用

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111883365A (zh) * 2020-07-08 2020-11-03 中国航发北京航空材料研究院 一种多维组装复合薄膜电极及其制备方法和用途
CN113371758A (zh) * 2021-07-01 2021-09-10 陕西理工大学 一种短棒自组装成珊瑚状Cu11O2(VO4)6花球的制备方法
CN113371758B (zh) * 2021-07-01 2023-02-17 陕西理工大学 一种短棒自组装成珊瑚状Cu11O2(VO4)6花球的制备方法
CN113955802A (zh) * 2021-09-22 2022-01-21 辽宁科技大学 三维多级结构锂离子电池v2o5@c正极材料的制备方法
CN113618272A (zh) * 2021-09-23 2021-11-09 重庆大学 花状核壳结构复合含能材料及其制备方法
CN113618272B (zh) * 2021-09-23 2024-04-30 重庆大学 花状核壳结构复合含能材料及其制备方法
CN114039044A (zh) * 2021-11-16 2022-02-11 安阳工学院 一种由碳包覆纳米片构成的三维电极材料及制备方法
CN114039044B (zh) * 2021-11-16 2023-11-17 安阳工学院 一种由碳包覆纳米片构成的三维电极材料的制备方法
CN114853065A (zh) * 2022-05-26 2022-08-05 三峡大学 一种w掺杂v2o5自组装纳米片球电极材料制备方法
CN119612500A (zh) * 2024-12-10 2025-03-14 烟台先进材料与绿色制造山东省实验室 一种用于低温锌离子电池的电极材料制备方法及其应用

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