CN106684376A - Method for preparing zinc ferrite nanosheet assembled hollow microsphere by utilizing hydrothermal and calcination methods, and application - Google Patents

Method for preparing zinc ferrite nanosheet assembled hollow microsphere by utilizing hydrothermal and calcination methods, and application Download PDF

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Publication number
CN106684376A
CN106684376A CN201611237945.0A CN201611237945A CN106684376A CN 106684376 A CN106684376 A CN 106684376A CN 201611237945 A CN201611237945 A CN 201611237945A CN 106684376 A CN106684376 A CN 106684376A
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nanometer sheet
zinc ferrite
micron ball
zinc
isopropanol
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王刚
王惠
马菁瑶
李渭龙
李飞
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Northwest University
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Northwest University
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/523Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron for non-aqueous cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Compounds Of Iron (AREA)

Abstract

The invention relates to a method for preparing a zinc ferrite nanosheet assembled hollow microsphere by utilizing hydrothermal and calcination methods, and application, and relates to a preparation method and application of a hollow microsphere. The invention aims to solve the problems that the specific capacity of an electrode material is severely attenuated and the cyclic stability is decreased due to the fact that the electrode material is powdered when the existing zinc ferrite electrode material generates enormous volume expansion and shrinkage in a Li<+> embedding and releasing process. The preparation method comprises the following steps of: (1), preparing a propyl alcohol iron and propyl alcohol zinc nanosheet assembled solid microsphere precursor by using a hydrothermal method; and (2), preparing the zinc ferrite nanosheet assembled hollow microsphere by using a calcination method. The first discharge capacity of a lithium ion battery prepared by taking the zinc ferrite nanosheet assembled hollow microsphere prepared by the invention as the anode material of the lithium ion battery can be up to 2295.6 mAh/g; and the first charge capacity of the lithium ion battery can be up to 1179.7 mAh/g. The method disclosed by the invention is suitable for preparing the zinc ferrite nanosheet assembled hollow microsphere.

Description

A kind of utilization hydro-thermal and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Methods and applications
Technical field
The present invention relates to a kind of preparation method and application of hollow micron ball.
Background technology
At present, zinc ferrite electrode material, is a kind of lithium ion battery negative material of great application prospect, because of itself and tradition Negative material compare, possess more excellent chemical property, and its preparation process is simple, possess specific surface area higher, can To provide more embedding lithium positions.However, in Li+During embedded and abjection, they can produce huge volumetric expansion and receipts Contracting, causes electrode material powdered, so as to the special capacity fade of material can be caused acutely, stable circulation performance declines.Made It is standby into hollow-core construction be a kind of more effective and simple method.Because hollow-core construction can provide larger specific surface area and interior Chamber free space, is conducive to infiltration, the Li of electrolyte+Diffusion and Volume Changes alleviation, and and then improve material circulation Energy.The present invention mainly uses simple and effective hydro-thermal and zinc ferrite nanometer sheet obtained in calcination method to assemble hollow micron ball, due to Its preparation method is simple, green, with low cost, possesses specific surface area higher than traditional material, it is adaptable to industrialized production, makees For lithium ion battery negative material when, possess high power charging-discharging characteristic and cyclical stability.
The content of the invention
The invention aims to solve existing zinc ferrite electrode material in Li+During embedded and abjection, produce huge Volumetric expansion and contraction, cause electrode material powdered, so as to the special capacity fade of electrode material can be caused acutely, circulation is steady Determine the problem of hydraulic performance decline, and provide a kind of utilization hydro-thermal and calcination method prepares the side that zinc ferrite nanometer sheet assembles hollow micron ball Method and application.
A kind of utilization hydro-thermal and calcination method prepare the method that zinc ferrite nanometer sheet assembles hollow micron ball, specifically by following What step was completed:
First, zinc acetate, nine water ferric nitrates, isopropanol and glycerine are well mixed, in transferring to hydrothermal reaction kettle, then Hydro-thermal reaction 10h~14h at being 170 DEG C~190 DEG C in temperature, obtains the solid micron of propyl alcohol iron and the assembling of propanol zinc nanometer sheet Ball presoma;
The quality of the zinc acetate described in step one is (0.1g~0.3g) with the volume ratio of isopropanol:30mL;
The quality of nine water ferric nitrates described in step one is (0.3g~0.6g) with the volume ratio of isopropanol:30mL;
Glycerine and the volume ratio of isopropanol described in step one are (5~10):30;
2nd, in air atmosphere, the solid micron ball presoma for propyl alcohol iron and propanol zinc nanometer sheet being assembled is with 1 DEG C/min The heating rate of~4 DEG C/min is warming up to 380 DEG C~420 DEG C, then is calcined in the case where air atmosphere and temperature are for 380 DEG C~420 DEG C 1h~3h, obtains zinc ferrite nanometer sheet and assembles hollow micron ball.
Principle of the invention:
Zn2++Fe3++C3H8O3→Zn3(C3H5O3)2+FeC3H5O3+H2
Zn3(C3H5O3)2+FeC3H5O3→ZnFe2O4+CO2+H2O。
Advantages of the present invention:
First, the present invention prepares zinc ferrite nanometer sheet and assembles hollow micron ball, the raw material vinegar for using using hydro-thermal and calcination method Sour zinc, nine water ferric nitrates, isopropanol and glycerine abundance, and whole experiment process is simple to operate, with low cost, product is gathered around There are high power charging-discharging characteristic and cyclical stability, can be used as commercial Li-ion battery negative material;
2nd, hollow micron ball is assembled using zinc ferrite nanometer sheet prepared by the present invention to be prepared as lithium ion battery negative material The discharge capacity first of lithium ion battery can reach more than 2295.6mAh/g, initial charge capacity be 1179.7mAh/g with On, discharge capacity keeps more than 640mAh/g after 100 times circulate.
The present invention assembles hollow micron ball suitable for preparing zinc ferrite nanometer sheet.
Brief description of the drawings
The solid micron ball presoma that Fig. 1 is assembled for the propyl alcohol iron and propanol zinc nanometer sheet that are obtained in the step one of embodiment one SEM figure;
Fig. 2 assembles the SEM figures of hollow micron ball for the zinc ferrite nanometer sheet obtained in the step 2 of embodiment one;
Fig. 3 is XRD, and 1 is ZnFe in Fig. 32O4Standard x RD curves, 2 is the ferrous acid that obtains in the step 2 of embodiment one Zinc nanometer sheet assembles the XRD curves of hollow micron ball;
Fig. 4 is that the zinc ferrite nanometer sheet obtained using in the step 2 of embodiment one assembles hollow micron ball as lithium ion battery First three the circle charging and discharging curve figure of lithium ion battery prepared by negative material under the conditions of current density 100mA/g;1 is in Fig. 4 First lap charging and discharging curve, 2 is the second circle charging and discharging curve, and 3 is the 3rd circle charging and discharging curve;
Fig. 5 is that the zinc ferrite nanometer sheet obtained using in the step 2 of embodiment one assembles hollow micron ball as lithium ion battery The lithium electricity cycle performance figure of lithium ion battery prepared by negative material under the conditions of current density 100mA/g, 1 to charge in Fig. 5, 2 is electric discharge;
Fig. 6 is that the zinc ferrite nanometer sheet obtained using in the step 2 of embodiment one assembles hollow micron ball as lithium ion battery The lithium electricity high rate performance figure of lithium ion battery prepared by negative material under different current densities;A is current density difference in Fig. 6 It is the high rate performance curve under 100mA/g, B is respectively the high rate performance curve under 200mA/g for current density, and C is that electric current is close Degree is respectively the high rate performance curve under 400mA/g, and D is respectively the high rate performance curve under 800mA/g for current density, and E is Current density is respectively the high rate performance curve under 1600mA/g.
Specific embodiment
Specific embodiment one:Present embodiment is a kind of using hydro-thermal and calcination method to prepare the assembling of zinc ferrite nanometer sheet The method of empty micron ball, is specifically realized by the following steps:
First, zinc acetate, nine water ferric nitrates, isopropanol and glycerine are well mixed, in transferring to hydrothermal reaction kettle, then Hydro-thermal reaction 10h~14h at being 170 DEG C~190 DEG C in temperature, obtains the solid micron of propyl alcohol iron and the assembling of propanol zinc nanometer sheet Ball presoma;
The quality of the zinc acetate described in step one is (0.1g~0.3g) with the volume ratio of isopropanol:30mL;
The quality of nine water ferric nitrates described in step one is (0.3g~0.6g) with the volume ratio of isopropanol:30mL;
Glycerine and the volume ratio of isopropanol described in step one are (5~10):30;
2nd, in air atmosphere, the solid micron ball presoma for propyl alcohol iron and propanol zinc nanometer sheet being assembled is with 1 DEG C/min The heating rate of~4 DEG C/min is warming up to 380 DEG C~420 DEG C, then is calcined in the case where air atmosphere and temperature are for 380 DEG C~420 DEG C 1h~3h, obtains zinc ferrite nanometer sheet and assembles hollow micron ball.
The principle of present embodiment:
Zn2++Fe3++C3H8O3→Zn3(C3H5O3)2+FeC3H5O3+H2
Zn3(C3H5O3)2+FeC3H5O3→ZnFe2O4+CO2+H2O。
The advantage of present embodiment:
First, present embodiment prepares zinc ferrite nanometer sheet and assembles hollow micron ball, the original for using using hydro-thermal and calcination method Material zinc acetate, nine water ferric nitrates, isopropanol and glycerine abundance, and whole experiment process is simple to operate, it is with low cost, produce Thing possesses high power charging-discharging characteristic and cyclical stability, can be used as commercial Li-ion battery negative material;
2nd, hollow micron ball as lithium ion battery negative material is assembled using zinc ferrite nanometer sheet prepared by present embodiment The discharge capacity first of the lithium ion battery of preparation can reach more than 2295.6mAh/g, and initial charge capacity is 1179.7mAh/g More than, discharge capacity keeps more than 640mAh/g after 100 times circulate.
Present embodiment assembles hollow micron ball suitable for preparing zinc ferrite nanometer sheet.
Specific embodiment two:Present embodiment is with the difference of specific embodiment one:By zinc acetate, nine in step one Water ferric nitrate, isopropanol and glycerine are well mixed, and hydro-thermal is anti-in transferring to hydrothermal reaction kettle, then at being 180 DEG C in temperature 12h is answered, the solid micron ball presoma of propyl alcohol iron and the assembling of propanol zinc nanometer sheet is obtained.Other steps and specific embodiment one It is identical.
Specific embodiment three:One of present embodiment and specific embodiment one or two difference is:Institute in step one The quality of the zinc acetate stated is (0.1g~0.2g) with the volume ratio of isopropanol:30mL.Other steps and specific embodiment one Or two is identical.
Specific embodiment four:One of present embodiment and specific embodiment one to three difference is:Institute in step one The quality of the zinc acetate stated is (0.2g~0.3g) with the volume ratio of isopropanol:30mL.Other steps and specific embodiment one It is identical to three.
Specific embodiment five:One of present embodiment and specific embodiment one to four difference is:Institute in step one The quality of the nine water ferric nitrates stated is (0.3g~0.45g) with the volume ratio of isopropanol:30mL.Other steps and specific embodiment party Formula one to four is identical.
Specific embodiment six:One of present embodiment and specific embodiment one to five difference is:Institute in step one The quality of the nine water ferric nitrates stated is (0.45g~0.6g) with the volume ratio of isopropanol:30mL.Other steps and specific embodiment party Formula one to five is identical.
Specific embodiment seven:One of present embodiment and specific embodiment one to six difference is:Institute in step one The glycerine stated is (5~8) with the volume ratio of isopropanol:30.Other steps are identical with specific embodiment one to six.
Specific embodiment eight:One of present embodiment and specific embodiment one to seven difference is:Institute in step one The glycerine stated is (8~10) with the volume ratio of isopropanol:30.Other steps are identical with specific embodiment one to seven.
Specific embodiment nine:One of present embodiment and specific embodiment one to eight difference is:In step 2 Under air atmosphere, the intensification of 1 DEG C/min~2 DEG C of solid micron ball presoma/min that propyl alcohol iron and propanol zinc nanometer sheet are assembled Speed is warming up to 380 DEG C~400 DEG C, then calcines 1h~2h in the case where air atmosphere and temperature are for 380 DEG C~400 DEG C, obtains ferrous acid Zinc nanometer sheet assembles hollow micron ball.Other steps are identical with specific embodiment one to eight.
Specific embodiment ten:Present embodiment is that the zinc ferrite nanometer sheet hollow micron ball of assembling is negative as lithium ion battery Pole materials application.
Embodiment one:A kind of utilization hydro-thermal and calcination method prepare the method that zinc ferrite nanometer sheet assembles hollow micron ball, tool Body is completed according to the following steps:
First, 0.109g zinc acetates, the water ferric nitrates of 0.404g nine, 30mL isopropanols and 8mL glycerine are well mixed, then are turned In moving to 40mL hydrothermal reaction kettles, then hydro-thermal reaction 12h at being 180 DEG C in temperature, obtain propyl alcohol iron and propanol zinc nanometer sheet group The solid micron ball presoma of dress;
2nd, in air atmosphere, zinc ferrite nanometer sheet is assembled into hollow micron ball presoma with the heating rate of 2 DEG C/min 400 DEG C are warming up to, then 2h is calcined in the case where air atmosphere and temperature are for 400 DEG C, obtained zinc ferrite nanometer sheet and assemble hollow micron ball.
The solid micron ball presoma that Fig. 1 is assembled for the propyl alcohol iron and propanol zinc nanometer sheet that are obtained in the step one of embodiment one SEM figure;
From fig. 1, it can be seen that water-heat process resulting materials are the solid spherical assembled with nanometer sheet, size is 1 μm~1.5 μm。
Fig. 2 assembles the SEM figures of hollow micron ball for the zinc ferrite nanometer sheet obtained in the step 2 of embodiment one;
As can be seen from Figure 2, after calcining, material is still assembled by nanometer sheet and formed, but solid sphere has been converted to hollow ball, Size is at 1 μm~1.5 μm.
Fig. 3 is XRD, and 1 is ZnFe in Fig. 32O4Standard x RD curves, 2 is the ferrous acid that obtains in the step 2 of embodiment one Zinc nanometer sheet assembles the XRD curves of hollow micron ball;
As can be seen from Figure 3, ZnFe2O4At 2 θ=29.9 °, 35.3 °, 36.9 °, 42.8 °, 53.1 °, 56.6 ° and 62.2 °, There is the diffraction maximum corresponding with standard card PDF#22-1012, it was demonstrated that it is the ZnFe of spinel structure2O4
Hollow micron ball is assembled using zinc ferrite nanometer sheet prepared by embodiment one to be prepared as lithium ion battery negative material Lithium ion battery manufacturing process it is as follows:
(1) the zinc ferrite nanometer sheet for, obtaining the step 2 of embodiment one assembles hollow micron ball, acetylene black and polytetrafluoroethyl-ne Dilute emulsion is 80 according to mass ratio:10:10 mixing, obtain mixture I;To METHYLPYRROLIDONE is added dropwise in mixture I, Obtain mixture II;Solid concentration is 60% in described polytetrafluoroethyl-ne dilute emulsion;The quality of described mixture I and N- first The volume ratio of base -2-Pyrrolidone is 0.25g:1mL;
(2), mixture II is uniformly coated on the foam mirror weighed of a diameter of 14mm, pole piece is obtained;Exist again Temperature is 80 DEG C of vacuum drying 10h, is re-weighed, and ZnFe in the pole piece is obtained using difference assay2O4Quality;
(3), dry pole piece is transferred in vacuum glove box the assembling for completing button cell, wherein, polypropylene high score Sub- film is battery diaphragm, and lithium piece is counter electrode of battery, electrolyte be ethylene carbonate, dimethyl carbonate, methyl ethyl carbonate and The LiPF of 1mol/L6Solution is according to 1:1:1:1 mixes;Pad is the stainless steel substrates of 16.2mm × 1mm (diameter × thickness); By dry pole piece, pad, electrolyte, barrier film, button cell that CR2025 is assembled into electrode and battery case in glove box Afterwards, button cell is sealed using sealing machine, the button cell of preparation is finally stood into 12h at normal temperatures, obtain battery To activation, the electrical property of material gives full play to, that is, the zinc ferrite nanometer sheet for obtaining being prepared with embodiment one assembles hollow micron ball As lithium ion battery prepared by lithium ion battery negative material.
In current density 100mA/g, under conditions of charging/discharging voltage scope is 0-3V, to the ferrous acid prepared with embodiment one Zinc nanometer sheet assembles hollow micron ball and carries out charge-discharge performance survey as lithium ion battery prepared by lithium ion battery negative material Examination, as shown in Figure 4 and Figure 5;
Fig. 4 is that the zinc ferrite nanometer sheet obtained using in the step 2 of embodiment one assembles hollow micron ball as lithium ion battery First three the circle charging and discharging curve figure of lithium ion battery prepared by negative material under the conditions of current density 100mA/g;1 is in Fig. 4 First lap charging and discharging curve, 2 is the second circle charging and discharging curve, and 3 is the 3rd circle charging and discharging curve;
As can be seen from Figure 4, using the zinc ferrite nanometer sheet that obtains in the step 2 of embodiment one assemble hollow micron ball as lithium from After 100 times circulate, its capacity is up to 640mAh/g to lithium ion battery prepared by sub- cell negative electrode material.
Fig. 5 is that the zinc ferrite nanometer sheet obtained using in the step 2 of embodiment one assembles hollow micron ball as lithium ion battery The lithium electricity cycle performance figure of lithium ion battery prepared by negative material under the conditions of current density 100mA/g, 1 to charge in Fig. 5, 2 is electric discharge;
As can be seen from Figure 5, using the zinc ferrite nanometer sheet that obtains in the step 2 of embodiment one assemble hollow micron ball as lithium from Lithium ion battery prepared by sub- cell negative electrode material has excellent cycle performance.
Fig. 6 is that the zinc ferrite nanometer sheet obtained using in the step 2 of embodiment one assembles hollow micron ball as lithium ion battery The lithium electricity high rate performance figure of lithium ion battery prepared by negative material under different current densities;A is current density difference in Fig. 6 It is the high rate performance curve under 100mA/g, B is respectively the high rate performance curve under 200mA/g for current density, and C is that electric current is close Degree is respectively the high rate performance curve under 400mA/g, and D is respectively the high rate performance curve under 800mA/g for current density, and E is Current density is respectively the high rate performance curve under 1600mA/g.
As can be seen from Figure 6, using the zinc ferrite nanometer sheet that obtains in the step 2 of embodiment one assemble hollow micron ball as lithium from Lithium ion battery prepared by sub- cell negative electrode material has excellent high rate performance.

Claims (10)

1. a kind of utilization hydro-thermal and calcination method prepare the method that zinc ferrite nanometer sheet assembles hollow micron ball, it is characterised in that the party What method was specifically realized by the following steps:
First, zinc acetate, nine water ferric nitrates, isopropanol and glycerine are well mixed, in transferring to hydrothermal reaction kettle, then in temperature It is hydro-thermal reaction 10h~14h at 170 DEG C~190 DEG C to spend, before obtaining the solid micron ball of propyl alcohol iron and the assembling of propanol zinc nanometer sheet Drive body;
The quality of the zinc acetate described in step one is (0.1g~0.3g) with the volume ratio of isopropanol:30mL;
The quality of nine water ferric nitrates described in step one is (0.3g~0.6g) with the volume ratio of isopropanol:30mL;
Glycerine and the volume ratio of isopropanol described in step one are (5~10):30;
2nd, in air atmosphere, the solid micron ball presoma for propyl alcohol iron and propanol zinc nanometer sheet being assembled is with 1 DEG C/min~4 DEG C/heating rate of min is warming up to 380 DEG C~420 DEG C, then calcine at being 380 DEG C~420 DEG C in air atmosphere and temperature 1h~ 3h, obtains zinc ferrite nanometer sheet and assembles hollow micron ball.
2. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that zinc acetate, nine water ferric nitrates, isopropanol and glycerine are well mixed in step one, transfer to water In thermal response kettle, then temperature be 180 DEG C at hydro-thermal reaction 12h, obtain propyl alcohol iron and propanol zinc nanometer sheet assembling it is solid micro- Rice ball presoma.
3. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that the quality of the zinc acetate described in step one is (0.1g~0.2g) with the volume ratio of isopropanol:30mL.
4. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that the quality of the zinc acetate described in step one is (0.2g~0.3g) with the volume ratio of isopropanol:30mL.
5. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that the quality of nine water ferric nitrates described in step one is (0.3g~0.45g) with the volume ratio of isopropanol: 30mL。
6. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that the quality of nine water ferric nitrates described in step one is (0.45g~0.6g) with the volume ratio of isopropanol: 30mL。
7. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that glycerine and the volume ratio of isopropanol described in step one are (5~8):30.
8. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that glycerine and the volume ratio of isopropanol described in step one are (8~10):30.
9. a kind of utilization hydro-thermal according to claim 1 and calcination method prepare zinc ferrite nanometer sheet and assemble hollow micron ball Method, it is characterised in that in step 2 in air atmosphere, before the solid micron ball that propyl alcohol iron and propanol zinc nanometer sheet are assembled The heating rate for driving body 1 DEG C/min~2 DEG C/min is warming up to 380 DEG C~400 DEG C, then air atmosphere and temperature be 380 DEG C~ 1h~2h is calcined at 400 DEG C, zinc ferrite nanometer sheet is obtained and is assembled hollow micron ball.
10. it is as claimed in claim 1 to prepare the method that zinc ferrite nanometer sheet assembles hollow micron ball using hydro-thermal and calcination method The zinc ferrite nanometer sheet of preparation assembles the application of hollow micron ball, it is characterised in that zinc ferrite nanometer sheet assembles hollow micron ball and makees It is lithium ion battery negative material application.
CN201611237945.0A 2016-12-28 2016-12-28 Method for preparing zinc ferrite nanosheet assembled hollow microsphere by utilizing hydrothermal and calcination methods, and application Pending CN106684376A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111453774A (en) * 2020-04-08 2020-07-28 安徽乐橙信息科技有限公司 Preparation method, product and application of zinc ferrite nano flower-shaped negative electrode material
CN111484084A (en) * 2020-04-02 2020-08-04 扬州大学 Acetone gas-sensitive material and preparation method thereof
CN111675243A (en) * 2020-06-11 2020-09-18 上海纳米技术及应用国家工程研究中心有限公司 Preparation method, product and application of zinc ferrite nanosheet negative electrode material
CN113135586A (en) * 2021-04-21 2021-07-20 内蒙古大学 Zinc oxide micron ball, electrode and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104569080A (en) * 2015-01-30 2015-04-29 吉林大学 Acetone gas sensor based on hollow spherical ZnFe2O4 nano material and preparation method thereof
CN105161701A (en) * 2015-09-23 2015-12-16 西北工业大学 Preparing method for polyaniline/hollow ZnFe2O4 composite negative electrode materials of lithium battery
CN106025271A (en) * 2016-05-31 2016-10-12 山东玉皇新能源科技有限公司 Preparation method of negative electrode material zinc ferrite

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104569080A (en) * 2015-01-30 2015-04-29 吉林大学 Acetone gas sensor based on hollow spherical ZnFe2O4 nano material and preparation method thereof
CN105161701A (en) * 2015-09-23 2015-12-16 西北工业大学 Preparing method for polyaniline/hollow ZnFe2O4 composite negative electrode materials of lithium battery
CN106025271A (en) * 2016-05-31 2016-10-12 山东玉皇新能源科技有限公司 Preparation method of negative electrode material zinc ferrite

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111484084A (en) * 2020-04-02 2020-08-04 扬州大学 Acetone gas-sensitive material and preparation method thereof
CN111453774A (en) * 2020-04-08 2020-07-28 安徽乐橙信息科技有限公司 Preparation method, product and application of zinc ferrite nano flower-shaped negative electrode material
CN111675243A (en) * 2020-06-11 2020-09-18 上海纳米技术及应用国家工程研究中心有限公司 Preparation method, product and application of zinc ferrite nanosheet negative electrode material
CN111675243B (en) * 2020-06-11 2022-11-01 上海纳米技术及应用国家工程研究中心有限公司 Preparation method of zinc ferrite nanosheet negative electrode material, product and application
CN113135586A (en) * 2021-04-21 2021-07-20 内蒙古大学 Zinc oxide micron ball, electrode and preparation method thereof

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Application publication date: 20170517