CN107394118A - A kind of preparation method and applications of self-supporting flexible electrode - Google Patents

A kind of preparation method and applications of self-supporting flexible electrode Download PDF

Info

Publication number
CN107394118A
CN107394118A CN201710791978.8A CN201710791978A CN107394118A CN 107394118 A CN107394118 A CN 107394118A CN 201710791978 A CN201710791978 A CN 201710791978A CN 107394118 A CN107394118 A CN 107394118A
Authority
CN
China
Prior art keywords
flexible electrode
self
preparation
supporting
supporting flexible
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201710791978.8A
Other languages
Chinese (zh)
Inventor
丁燕怀
刘行
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiangtan University
Original Assignee
Xiangtan University
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 Xiangtan University filed Critical Xiangtan University
Priority to CN201710791978.8A priority Critical patent/CN107394118A/en
Publication of CN107394118A publication Critical patent/CN107394118A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C7/00—Heating or cooling textile fabrics
    • 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
    • H01M4/131—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
    • 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
    • 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
    • H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
    • 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

Abstract

The invention discloses a kind of preparation method and applications of self-supporting flexible electrode, the present invention has environment-friendly, and reaction condition is gentle, the advantages of without adding conductive agent and binding agent, film energy self-supporting and good mechanical performance.Compared to existing SnO2Flexible electrode; gained flexible electrode of the invention is made up of the nanofiber of carbon coating, and carbon coating layer energy protection activity material resists the corrosion of electrolyte, suppresses structure collapses caused by volumetric expansion in charge and discharge process; the porosity of flexible electrode is high, is advantageous to the infiltration of electrolyte.The bending that flexible electrode can bear repeatedly is not ruptured, and chemical property is held essentially constant.Flexible electrode can be directly cut out for assembling battery, be easy to the configuration design and assembling of battery.These features are all advantageous to further improve the chemical property of the material, are expected to the flexible lithium ion battery electrode material as excellent performance.

Description

A kind of preparation method and applications of self-supporting flexible electrode
Technical field
The present invention relates to electrode preparation field, more particularly to a kind of preparation method and applications of electrode.
Background technology
With the rapid advances of electronic technology, increasing electronic equipment towards lightening, flexibility and can be worn The direction worn is developed.The greatest difficulty that flexible electronic device faces at present is to find flexible energy storage device adaptable therewith.Pass The lithium ion battery of system easily causes electrode material and collector separation, influences chemical property, very when being bending or folding over To causing short circuit.Therefore in order to adapt to the development of flexible electronic devices of future generation, flexible energy storage device becomes grinding in recent years Study carefully focus.And the key of flexible energy storage device is the preparation of flexible electrode.
Tin oxide (SnO2) be used as a kind of lithium ion battery negative material that there is extraordinary application prospect, prepare simultaneously SnO2Abundant raw materials, preparation process is relatively easy.Based on SnO2Flexible electrode prepare mainly use carbon nanomaterial conduct Collector and structural support, wherein carbon nanomaterial be mainly carbon fiber, CNT and graphene etc. (Nano letters, 2008,9(1):72-75；Advanced Functional Materials,2007,17(15):2772-2778；ACS applied materials&interfaces,2012,4(10):5408-5415.).Deposited using carbon nanomaterial as carrier In some defects, such as active SnO2Efflorescence easily occurs to peel off, SnO2Caused Volume Changes easily cause in charge and discharge process The mechanical property of flexible electrode is deteriorated.
The content of the invention
It is an object of the invention to overcome existing SnO2The easy efflorescence of flexible electrode, need extra addition conductive carbon nanotube material The shortcomings that material and preparation technology are relative complex, there is provided one kind is by carbon coating SnO2The preparation side for the flexible electrode that nanofiber is formed Method.It is another object of the present invention to above-mentioned flexible electrode is applied into flexible lithium ion battery.
The technical scheme is that a kind of preparation method of self-supporting flexible electrode,
(1) 5%~10%Wt stannous chloride and 4%~20%Wt polyvinylpyrrolidones are dissolved in 70~91%Wt Dimethylformamide and the mass mixing such as ethanol solvent, be configured to " core " solution；
(2) 5%~20%Wt polyacrylonitrile is dissolved in 80~95%Wt solvent dimethylformamides, be configured to " shell " solution；
(3) it is 1 to take weight ratio:1 " core " and " shell " solution, nano-fiber film is prepared with coaxial electrostatic spinning technology；
(4) nano-fiber film is thermally treated resulting in flexible electrode presoma under inert gas shielding；
(5) flexible electrode presoma is thermally treated resulting in self-supporting flexible electrode under inert gas shielding.
Coaxial electrostatic spinning voltage range is 10kV~20kV, and collection distance range is 15cm~20cm；
The temperature range that nano-fiber film is heat-treated under inert gas shielding is 200 DEG C~300 DEG C, during heat treatment Between scope be 2 hours~4 hours；Obtain flexible electrode presoma.
By flexible electrode presoma, heat-treatment temperature range is 650 DEG C~700 DEG C under inert gas shielding；During heat treatment Between scope be 2 hours~4 hours.
A kind of application of self-supporting flexible electrode in lithium ion battery, self-supporting flexible electrode are used as lithium ion battery Electrode material.
The present invention has the following technical effect that, compared with existing technology of preparing, the present invention has environment-friendly, reaction Mild condition, the advantages of without adding conductive agent and binding agent, film energy self-supporting and good mechanical performance.Compared to existing SnO2Flexible electrode, present invention gained flexible electrode are made up of the nanofiber of carbon coating, carbon coating layer energy protection activity material The corrosion of electrolyte is resisted, suppresses structure collapses caused by volumetric expansion in charge and discharge process, the porosity of flexible electrode is high, has Beneficial to the infiltration of electrolyte.The bending that flexible electrode can bear repeatedly is not ruptured, and chemical property is kept substantially It is constant.Flexible electrode can be directly cut out for assembling battery, be easy to the configuration design and assembling of battery.These features are all favourable In the chemical property for further improving the material, the flexible lithium ion battery electrode material as excellent performance is expected to.
Brief description of the drawings
The sample photo of self-supporting flexible electrode prepared by Fig. 1 present invention.
The scanning electron microscope (SEM) photograph of self-supporting flexible electrode prepared by Fig. 2 present invention.
The X-ray diffractogram of self-supporting flexible electrode prepared by Fig. 3 present invention.
The cyclic voltammogram of self-supporting flexible electrode prepared by Fig. 4 present invention.
The charging and discharging curve figure of self-supporting flexible electrode prepared by Fig. 5 present invention.
Embodiment
The specific embodiment of the invention is explained below by specific embodiment.
Embodiment 1
Take 0.8 gram of stannous chloride (SnCl2·2H2O) it is dissolved in 0.5 gram of polyvinylpyrrolidone (PVP) by 5 grams of diformazans The in the mixed solvent of base formamide (DMF) and 5 grams of ethanol compositions is configured to ' core ' solution；Take 0.5 gram of polyacrylonitrile (PAN) dissolving ' shell ' solution is configured in 5 grams of dimethylformamides (DMF)；Enter respectively using above two solution as ' core ', ' shell ' solution Row coaxial electrostatic spinning, coaxial electrostatic spinning filament voltage are 15kV, collect 15 centimetres of distance.Obtained film is collected in high pure nitrogen 250 degree are heat-treated 2 hours under atmosphere, then heat to 650 degree and handle 2 hours, are cooled to room temperature and obtain the self-supporting flexibility of black Electrode.Self-supporting flexible electrode prepared by the present invention can bear flexural deformation repeatedly, can directly cut out processing.Outside it See shape and flexibility is as shown in Figure 1.
Embodiment 2
Take 1.0 grams of stannous chloride (SnCl2·2H2O) it is dissolved in 0.5 gram of polyvinylpyrrolidone (PVP) by 5 grams of diformazans The in the mixed solvent of base formamide (DMF) and 5 grams of ethanol compositions is configured to ' core ' solution；Take 0.5 gram of polyacrylonitrile (PAN) dissolving ' shell ' solution is configured in 4.5 grams of dimethylformamides (DMF)；Respectively using above two solution as ' core ', ' shell ' solution Coaxial electrostatic spinning is carried out, coaxial electrostatic spinning filament voltage is 15kV, collects 15 centimetres of distance.Obtained film is collected in High Purity Nitrogen Under atmosphere 250 degree be heat-treated 2 hours, then heat to 700 degree handle 2 hours, be cooled to room temperature obtain black self-supporting it is soft Property electrode.
Embodiment 3
Take 0.8 gram of stannous chloride (SnCl2·2H2O) it is dissolved in 0.5 gram of polyvinylpyrrolidone (PVP) by 5 grams of diformazans The in the mixed solvent of base formamide (DMF) and 5 grams of ethanol compositions is configured to ' core ' solution；Take 0.5 gram of polyacrylonitrile (PAN) dissolving ' shell ' solution is configured in 5 grams of dimethylformamides (DMF)；Enter respectively using above two solution as ' core ', ' shell ' solution Row coaxial electrostatic spinning, coaxial electrostatic spinning filament voltage are 15kV, collect 15 centimetres of distance.Obtained film is collected in high pure nitrogen 250 degree are heat-treated 2 hours under atmosphere, then heat to 650 degree and handle 3 hours, are cooled to room temperature and obtain the self-supporting flexibility of black Electrode.Self-supporting flexible electrode prepared by the present invention is made up of nanofiber completely, and microstructure is as shown in Figure 2.In fiber Portion is tin dioxide nano fiber, and outer layer is carbon coating layer.Internal tin ash fiber crystallization degree is high, as shown in Figure 3.
Embodiment 4
Take 0.8 gram of stannous chloride (SnCl2·2H2O) it is dissolved in 0.5 gram of polyvinylpyrrolidone (PVP) by 5 grams of diformazans The in the mixed solvent of base formamide (DMF) and 5 grams of ethanol compositions is configured to ' core ' solution；Take 0.5 gram of polyacrylonitrile (PAN) dissolving ' shell ' solution is configured in 5 grams of dimethylformamides (DMF)；Enter respectively using above two solution as ' core ', ' shell ' solution Row coaxial electrostatic spinning, electrostatic spinning voltage are
15kV, collect 15 centimetres of distance.Obtained film 250 degree heat treatment 2 hours under High Purity Nitrogen atmosphere are collected, then It is warming up to 700 degree to handle 3 hours, is cooled to room temperature and obtains the self-supporting flexible electrode of black.
Embodiment 5
Take 0.8 gram of stannous chloride (SnCl2·2H2O) it is dissolved in 0.5 gram of polyvinylpyrrolidone (PVP) by 5 grams of diformazans The in the mixed solvent of base formamide (DMF) and 5 grams of ethanol compositions is configured to ' core ' solution；Take 0.5 gram of polyacrylonitrile (PAN) dissolving ' shell ' solution is configured in 5 grams of dimethylformamides (DMF)；Enter respectively using above two solution as ' core ', ' shell ' solution Row coaxial electrostatic spinning, coaxial electrostatic spinning filament voltage are 18kV, collect 18 centimetres of distance.Obtained film is collected in high pure nitrogen 250 degree are heat-treated 2 hours under atmosphere, then heat to 650 degree and handle 2 hours, are cooled to room temperature and obtain the self-supporting flexibility of black Electrode.
Embodiment 6
Take 0.8 gram of stannous chloride (SnCl2·2H2O) it is dissolved in 0.5 gram of polyvinylpyrrolidone (PVP) by 5 grams of diformazans The in the mixed solvent of base formamide (DMF) and 5 grams of ethanol compositions is configured to ' core ' solution；Take 0.5 gram of polyacrylonitrile (PAN) dissolving ' shell ' solution is configured in 5 grams of dimethylformamides (DMF)；Enter respectively using above two solution as ' core ', ' shell ' solution Row coaxial electrostatic spinning, coaxial electrostatic spinning filament voltage are 20kV, collect 20 centimetres of distance.Obtained film is collected in high pure nitrogen 250 degree are heat-treated 2 hours under atmosphere, then heat to 650 degree and handle 2 hours, are cooled to room temperature and obtain the self-supporting flexibility of black Electrode.
Embodiment 7
With the self-supporting flexible electrode prepared by the present invention directly as working electrode, concentration is 1M LiPF6EC- DMC solution (volume ratio 1:1) electrolyte is used as, lithium metal is used as to electrode.In PARSTAT2273 electrochemical workstations and Tested on Land charge-discharge test instrument.Cyclic voltammetry shows that flexible electrode has good stability, discharge and recharge Without the obvious polarization of generation in journey.In the case of any conductive agent of no addition and binding agent, flexible electrode is 0.5C's The specific capacity of 650 every gram of MAHs can also be kept by being circulated under multiplying power by 100 times.Test result is as shown in Figure 4, Figure 5.

Claims (5)

  1. A kind of 1. preparation method of self-supporting flexible electrode, it is characterised in that：
    (1) 5%~10%Wt stannous chloride and 4%~20%Wt polyvinylpyrrolidones are dissolved in the two of 70~91%Wt The solvent of the mass mixing such as NMF and ethanol, it is configured to " core " solution；
    (2) 5%~20%Wt polyacrylonitrile is dissolved in 80~95%Wt solvent dimethylformamides, it is molten is configured to " shell " Liquid；
    (3) it is 1 to take weight ratio:1 " core " and " shell " solution, nano-fiber film is prepared with coaxial electrostatic spinning technology；
    (4) nano-fiber film is thermally treated resulting in flexible electrode presoma under inert gas shielding；
    (5) flexible electrode presoma is thermally treated resulting in self-supporting flexible electrode under inert gas shielding.
  2. A kind of 2. preparation method of self-supporting flexible electrode according to claim 1, it is characterised in that：
    Coaxial electrostatic spinning voltage range is 10kV~20kV, and collection distance range is 15cm~20cm.
  3. A kind of 3. preparation method of self-supporting flexible electrode according to claim 1, it is characterised in that：
    The temperature range that nano-fiber film is heat-treated under inert gas shielding is 200 DEG C~300 DEG C, heat treatment time model Enclose for 2 hours~4 hours；Obtain flexible electrode presoma.
  4. A kind of 4. preparation method of self-supporting flexible electrode according to claim 1, it is characterised in that：Before flexible electrode It is 650 DEG C~700 DEG C to drive body heat-treatment temperature range under inert gas shielding；Heat treatment time scope is 2 hours~4 small When.
  5. A kind of 5. application of self-supporting flexible electrode in lithium ion battery, it is characterised in that：Self-supporting flexible electrode is used as lithium The electrode material of ion battery.
CN201710791978.8A 2017-09-05 2017-09-05 A kind of preparation method and applications of self-supporting flexible electrode Pending CN107394118A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710791978.8A CN107394118A (en) 2017-09-05 2017-09-05 A kind of preparation method and applications of self-supporting flexible electrode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710791978.8A CN107394118A (en) 2017-09-05 2017-09-05 A kind of preparation method and applications of self-supporting flexible electrode

Publications (1)

Publication Number Publication Date
CN107394118A true CN107394118A (en) 2017-11-24

Family

ID=60351299

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710791978.8A Pending CN107394118A (en) 2017-09-05 2017-09-05 A kind of preparation method and applications of self-supporting flexible electrode

Country Status (1)

Country Link
CN (1) CN107394118A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109103439A (en) * 2018-08-30 2018-12-28 广东工业大学 A kind of flexible self-supporting lithium sulfur battery anode material, preparation method and its battery
CN109301201A (en) * 2018-09-19 2019-02-01 三峡大学 The compound Ga of the double carbon structures of self-supporting2O3Negative electrode of lithium ion battery preparation method
CN109930241A (en) * 2017-12-18 2019-06-25 中国科学院大连化学物理研究所 A kind of electrode material and its preparation and application with core-shell structure
CN112349896A (en) * 2020-10-30 2021-02-09 天津工业大学 Flexible hollow carbon nanofiber/tin disulfide composite electrode and preparation method thereof
JP2021536101A (en) * 2018-12-03 2021-12-23 エルジー エナジー ソリューション リミテッド Flexible electrode, secondary battery including it and flexible secondary battery
CN114927644A (en) * 2022-05-24 2022-08-19 湘潭大学 Preparation method of positive electrode material, preparation method of battery and battery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101763917A (en) * 2010-03-04 2010-06-30 长春理工大学 Method for preparing tin dioxide and titanium dioxide nano cable
CN104451942A (en) * 2014-11-14 2015-03-25 大连交通大学 Hollow-structure carbon-coated tin dioxide nanofiber material as well as preparation method and application of hollow-structure carbon-coated tin dioxide nanofiber material
CN106521705A (en) * 2016-11-11 2017-03-22 吉林师范大学 Preparation method of lithium battery anode material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101763917A (en) * 2010-03-04 2010-06-30 长春理工大学 Method for preparing tin dioxide and titanium dioxide nano cable
CN104451942A (en) * 2014-11-14 2015-03-25 大连交通大学 Hollow-structure carbon-coated tin dioxide nanofiber material as well as preparation method and application of hollow-structure carbon-coated tin dioxide nanofiber material
CN106521705A (en) * 2016-11-11 2017-03-22 吉林师范大学 Preparation method of lithium battery anode material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
韩笑梅等: ""碳包覆纳米SnO2中空纤维的制备及电容性能"", 《物理化学学报》 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109930241A (en) * 2017-12-18 2019-06-25 中国科学院大连化学物理研究所 A kind of electrode material and its preparation and application with core-shell structure
CN109103439A (en) * 2018-08-30 2018-12-28 广东工业大学 A kind of flexible self-supporting lithium sulfur battery anode material, preparation method and its battery
CN109103439B (en) * 2018-08-30 2021-09-03 广东工业大学 Flexible self-supporting lithium-sulfur battery positive electrode material, preparation method and battery thereof
CN109301201A (en) * 2018-09-19 2019-02-01 三峡大学 The compound Ga of the double carbon structures of self-supporting2O3Negative electrode of lithium ion battery preparation method
CN109301201B (en) * 2018-09-19 2021-06-18 三峡大学 Self-supporting double-carbon structure composite Ga2O3Preparation method of lithium ion battery cathode
JP2021536101A (en) * 2018-12-03 2021-12-23 エルジー エナジー ソリューション リミテッド Flexible electrode, secondary battery including it and flexible secondary battery
JP7127209B2 (en) 2018-12-03 2022-08-29 エルジー エナジー ソリューション リミテッド Flexible electrode, secondary battery containing same, and flexible secondary battery
CN112349896A (en) * 2020-10-30 2021-02-09 天津工业大学 Flexible hollow carbon nanofiber/tin disulfide composite electrode and preparation method thereof
CN114927644A (en) * 2022-05-24 2022-08-19 湘潭大学 Preparation method of positive electrode material, preparation method of battery and battery
CN114927644B (en) * 2022-05-24 2023-09-26 湘潭大学 Preparation method of positive electrode material, preparation method of battery and battery

Similar Documents

Publication Publication Date Title
CN107394118A (en) A kind of preparation method and applications of self-supporting flexible electrode
CN105098185B (en) Composite negative pole material and preparation method thereof, cathode pole piece of lithium ion secondary battery and lithium rechargeable battery
CN107681142B (en) Molybdenum disulfide coated carbon nanofiber used as lithium ion battery negative electrode material and preparation method thereof
Luo et al. High lithium electroactivity of electrospun CuFe2O4 nanofibers as anode material for lithium-ion batteries
CN108615865B (en) Lithium-sulfur battery positive electrode material and preparation method thereof
CN105355877B (en) A kind of graphene metal oxide composite cathode material and preparation method thereof
CN109103425A (en) Negative electrode material, cathode and the battery with the cathode
CN104157845B (en) A kind of method preparing Graphene complex ternary material
WO2015043359A1 (en) Lithium ion battery anode composite material and preparing method thereof
CN103337641A (en) Oxygen electrode composite catalyst used for lithium-air batteries and preparation method of the oxygen electrode composite catalyst
CN109037554A (en) A kind of Ni/C composite nano-fiber membrane applied to lithium-sulfur cell and preparation method thereof and lithium-sulfur cell
CN114420938A (en) Metal oxide amorphous carbon coated hard carbon composite material and preparation method and application thereof
CN109671946B (en) Zinc ion battery positive electrode active material, positive electrode material, zinc ion battery positive electrode, zinc ion battery, and preparation method and application thereof
You et al. Synthesis of homogeneous CaMoO 4 microspheres with nanopits for high-capacity anode material in Li-ion battery
CN114985723A (en) Antimony-bismuth alloy material, preparation method thereof and application thereof in sodium secondary battery cathode
CN113851710A (en) Sodium ion bifunctional gel polymer electrolyte, and preparation method and application thereof
CN107881600B (en) Preparation method and application of nano carbon fiber for lithium ion battery cathode
CN107611348B (en) flexible electrode material of aluminum ion battery, preparation method of flexible electrode material and aluminum ion battery
CN105958019A (en) Silicon monoxide/graphene composite material and preparation method thereof, negative plate and battery
Hu et al. Lithium-ion modified cellulose as a water-soluble binder for Li-O2 battery
CN114023924B (en) Preparation method of silicon-based negative electrode without current collector and fiber lithium ion battery
CN115863589A (en) Silicon composite material, material preparation method, electrode plate and battery
CN112086629B (en) Si @ C/ZnNb2O6Preparation method and application of negative electrode composite material
Qi et al. Nano-architectured nickel-cobalt-manganese based ternary materials as cathodes for sodium/potassium ion batteries
CN111276675A (en) Modified silicon-carbon material and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20171124