CN110148725A - La for anode material of lithium-ion battery3+The preparation method of expanded support MXene - Google Patents

La for anode material of lithium-ion battery3+The preparation method of expanded support MXene Download PDF

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Publication number
CN110148725A
CN110148725A CN201910422155.7A CN201910422155A CN110148725A CN 110148725 A CN110148725 A CN 110148725A CN 201910422155 A CN201910422155 A CN 201910422155A CN 110148725 A CN110148725 A CN 110148725A
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CN
China
Prior art keywords
mxene
lithium
ion battery
expanded support
anode material
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
CN201910422155.7A
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Chinese (zh)
Inventor
牛棱渊
张斌梅
刘卯成
张小美
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Hangzhou Realistic New Materials Technology Co Ltd
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Hangzhou Realistic New Materials Technology Co Ltd
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Publication date
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Priority to CN201910422155.7A priority Critical patent/CN110148725A/en
Publication of CN110148725A publication Critical patent/CN110148725A/en
Pending 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
    • 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
    • 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
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • 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
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • 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 present invention relates to a kind of La for anode material of lithium-ion battery3+The preparation method of expanded support MXene belongs to field of material preparation, key step are as follows: single layer MXene ultrasonic disperse is obtained MXene dispersion liquid in deionized water；Lanthanum chloride is dissolved in water and obtains lanthanum chloride solution；Lanthanum chloride solution is added to MXene dispersion liquid under stiring, stirs 12 h at room temperature, the dry La that can be obtained for anode material of lithium-ion battery after centrifugation, washing3+Expanded support MXene.

Description

La for anode material of lithium-ion battery3+The preparation method of expanded support MXene
Technical field
The present invention relates to the La for anode material of lithium-ion battery3+The technology of preparing of expanded support MXene.
Background technique
Sodium-ion battery and lithium ion battery have similar working principle, but sodium element resource more horn of plenty, price are more To be cheap, therefore it is considered following and has broad application prospects in extensive energy storage field.MXene has two-dimensional layered structure It is ideal anode material of lithium-ion battery with high conductivity.But since sodium ion radius is larger, speed is spread in MXene Rate is more slow, limits the promotion of its high rate performance.Sodium material is stored up for two-dimensional layer, sodium ion diffusion rate is in very great Cheng Its interlamellar spacing size is depended on degree, expands the resistance that interlamellar spacing will greatly reduce sodium ion diffusion, effectively promotion sodium ion Diffusion rate and storage sodium high rate performance.Therefore La is designed and prepared3+Expanded support MXene increases interlamellar spacing, reduces the expansion of sodium ion Resistance is dissipated, sodium ion diffusion rate and storage sodium high rate performance will be effectively promoted.However, the ion insertion method reported at present is general It requires to be supported in advance using CTAB or the lesser cation of other radiuses, method is cumbersome, complex process.
La proposed by the present invention3+The preparation method of expanded support MXene is to pass through La3+Electrostatic between single layer MXene is made With the direct expanded support that attracts each other, the pre- pillared process of conventional method is avoided, the preparation of ion expanded support MXene is enormously simplified Journey is to the important innovation studied and effective supplement comprehensively.
Summary of the invention
The object of the present invention is to provide a kind of La for anode material of lithium-ion battery3+The preparation method of expanded support MXene.
The present invention is the La for anode material of lithium-ion battery3+The preparation method of expanded support MXene the steps include: list Layer MXene ultrasonic disperse obtains MXene dispersion liquid in deionized water；Lanthanum chloride is dissolved in deionized water and obtains lanthanum chloride solution； Lanthanum chloride solution is added to MXene dispersion liquid under stiring, stirs 12 h at room temperature, use can be obtained in drying after centrifugation, washing In the La of anode material of lithium-ion battery3+Expanded support MXene, concrete operation step:
(1) take 50 mg single layer MXene powder that 10 ml deionized waters are added, 1 h of ice-bath ultrasonic obtains MXene dispersion liquid；
(2) LaCl of 10 ml various concentrations is prepared3Solution is added into MXene dispersion liquid obtained by step (1), room temperature under stirring 12 h of lower stirring；
(3) step (2) acquired solution is centrifuged at 3000 r/min and washes away extra foreign ion, 5 min, obtains every time La3+The expanded support MXene of interlayer；
(4) lower sediment thing obtained by step (3) is taken out into drying, the La for sodium ion battery electrode material can be obtained3+Expand Support MXene.
Specific embodiment
The present invention is the La for anode material of lithium-ion battery3+The preparation method of expanded support MXene the steps include: list Layer MXene ultrasonic disperse obtains MXene dispersion liquid in deionized water；Lanthanum chloride is dissolved in deionized water and obtains lanthanum chloride solution； Lanthanum chloride solution is added to MXene dispersion liquid under stiring, stirs 12 h at room temperature, use can be obtained in drying after centrifugation, washing In the La of anode material of lithium-ion battery3+Expanded support MXene, concrete operation step are as follows:
(1) take 50 mg single layer MXene powder that 10 ml deionized waters are added, 1 h of ice-bath ultrasonic obtains MXene dispersion liquid；
(2) LaCl that 10ml concentration is 0.005mol/L is prepared3Solution is added into step (1) resulting MXene points under stirring Dispersion liquid stirs 12 h at room temperature；
(3) step (2) acquired solution is centrifuged at 3000 r/min and washes away extra foreign ion, 5 min, obtains every time La3+The expanded support MXene of interlayer；
(4) lower sediment thing obtained by step (3) is taken out into drying, the La for sodium ion battery electrode material can be obtained3+Expand Support MXene.
Embodiment 1
(1) take 50 mg single layer MXene powder that 10 ml deionized waters are added, 1 h of ice-bath ultrasonic obtains MXene dispersion liquid；
(2) LaCl that 10 ml concentration are 0.015mol/L is prepared3Solution is added into MXene obtained by step (1) points under stirring Dispersion liquid stirs 12 h at room temperature；
(3) step (2) acquired solution is centrifuged at 3000 r/min and washes away extra foreign ion, 5 min, obtains every time La3+The expanded support MXene of interlayer；
(4) lower sediment thing obtained by step (3) is taken out into drying, the La for sodium ion battery electrode material can be obtained3+Expand Support MXene.
Embodiment 2
(1) take 50 mg single layer MXene powder that 10 ml deionized waters are added, 1 h of ice-bath ultrasonic obtains MXene dispersion liquid；
(2) LaCl that 10 ml concentration are 0.025mol/L is prepared3Solution is added into MXene obtained by step (1) points under stirring Dispersion liquid stirs 12 h at room temperature；
(3) step (2) acquired solution is centrifuged at 3000 r/min and washes away extra foreign ion, 5 min, obtains every time La3+The expanded support MXene of interlayer；
(4) lower sediment thing obtained by step (3) is taken out into drying, the La for sodium ion battery electrode material can be obtained3+Expand Support MXene.
Embodiment 3
(1) take 50 mg single layer MXene powder that 10 ml deionized waters are added, 1 h of ice-bath ultrasonic obtains MXene dispersion liquid；
(2) LaCl that 10 ml concentration are 0.035mol/L is prepared3Solution is added into MXene obtained by step (1) points under stirring Dispersion liquid stirs 12 h at room temperature；
(3) step (2) acquired solution is centrifuged at 3000 r/min and washes away extra foreign ion, 5 min, obtains every time La3+The expanded support MXene of interlayer；
(4) lower sediment thing obtained by step (3) is taken out into drying, the La for sodium ion battery electrode material can be obtained3+Expand Support MXene.
The above is the embodiment of the present invention, is not intended to limit the scope of the invention, all to be said using the present invention Equivalent structure or equivalent flow shift made by bright book content is applied directly or indirectly in other relevant field technologies, It similarly include in the invention patent protection scope.

Claims (5)

1. provided by the present invention for the La of anode material of lithium-ion battery3+The preparation method of expanded support MXene, the steps include: by Single layer MXene ultrasonic disperse obtains MXene dispersion liquid in deionized water；Lanthanum chloride is dissolved in deionized water, and to obtain lanthanum chloride molten Liquid；Lanthanum chloride solution is added to MXene dispersion liquid under stiring, stirs 12 h at room temperature, drying can be obtained after centrifugation, washing La for anode material of lithium-ion battery3+Expanded support MXene, concrete operation step:
(1) take 50 mg single layer MXene powder that 10 ml deionized waters are added, 1 h of ice-bath ultrasonic obtains MXene dispersion liquid；
(2) LaCl of 10 ml various concentrations is prepared3Solution is added into MXene dispersion liquid obtained by step (1), room temperature under stirring 12 h of lower stirring；
(3) step (2) acquired solution is centrifuged at 3000 r/min and washes away extra foreign ion, 5 min, obtains La every time3 +The expanded support MXene of interlayer；
(4) lower sediment thing obtained by step (3) is taken out into drying, the La for sodium ion battery electrode material can be obtained3+Expand Support MXene.
2. the La according to claim 1 for anode material of lithium-ion battery3+The preparation method of expanded support MXene, it is special Sign is: described MXene is Ti3C2、Ti2C and Mo3C2。
3. the La according to claim 1 for anode material of lithium-ion battery3+The preparation method of expanded support MXene, it is special Sign is: described LaCl3The concentration of solution be 0.005mol/L, 0.015mol/L, 0.025mol/L, 0.035mol/L, 0.045mol/L、0.055mol/L。
4. the La according to claim 1 for anode material of lithium-ion battery3+The preparation method of expanded support MXene, it is special Sign is: described stirring is magnetic agitation.
5. the La according to claim 1 for anode material of lithium-ion battery3+The preparation method of expanded support MXene, it is special Sign is: described drying mode is freeze-drying.
CN201910422155.7A 2019-05-21 2019-05-21 La for anode material of lithium-ion battery3+The preparation method of expanded support MXene Pending CN110148725A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111710862A (en) * 2020-06-28 2020-09-25 山东大学 3D porous Sb/Ti for high-performance potassium ion battery3C2Preparation method of MXene composite material

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106099064A (en) * 2016-08-03 2016-11-09 常州大学 A kind of SnS2the preparation method of/CNTs composite nano materials and the application as anode material of lithium-ion battery thereof
CN106229488A (en) * 2016-08-26 2016-12-14 浙江工业大学 A kind of oxide pillared MXene composite and application thereof
US20180342730A1 (en) * 2017-05-23 2018-11-29 The Hong Kong Polytechnic University MnO2 ANODE FOR LI-ION AND NA-ION BATTERIES
CN109402662A (en) * 2018-12-14 2019-03-01 哈尔滨工业大学 A kind of preparation method of selenizing molybdenum two-dimensional layer carbonization titanium composite material

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106099064A (en) * 2016-08-03 2016-11-09 常州大学 A kind of SnS2the preparation method of/CNTs composite nano materials and the application as anode material of lithium-ion battery thereof
CN106229488A (en) * 2016-08-26 2016-12-14 浙江工业大学 A kind of oxide pillared MXene composite and application thereof
US20180342730A1 (en) * 2017-05-23 2018-11-29 The Hong Kong Polytechnic University MnO2 ANODE FOR LI-ION AND NA-ION BATTERIES
CN109402662A (en) * 2018-12-14 2019-03-01 哈尔滨工业大学 A kind of preparation method of selenizing molybdenum two-dimensional layer carbonization titanium composite material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111710862A (en) * 2020-06-28 2020-09-25 山东大学 3D porous Sb/Ti for high-performance potassium ion battery3C2Preparation method of MXene composite material
CN111710862B (en) * 2020-06-28 2022-04-15 山东大学 3D porous Sb/Ti for high-performance potassium ion battery3C2Preparation method of MXene composite material

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Application publication date: 20190820