CN104409694A - Preparation method of globular-flower-shaped Li4Ti5O12-TiO2 composite electrode material - Google Patents

Preparation method of globular-flower-shaped Li4Ti5O12-TiO2 composite electrode material Download PDF

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CN104409694A
CN104409694A CN201410662275.1A CN201410662275A CN104409694A CN 104409694 A CN104409694 A CN 104409694A CN 201410662275 A CN201410662275 A CN 201410662275A CN 104409694 A CN104409694 A CN 104409694A
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electrode material
tio
lithium
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solution
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刘光印
郑少龙
张瑞雪
毛武涛
马勤阁
谢海泉
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Nanyang Normal University
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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
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
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Abstract

The invention discloses a preparation method of a globular-flower-shaped Li4Ti5O12-TiO2 composite electrode material. The preparation method comprises steps as follows: cetyltrimethylammonium bromide is dissolved in an ethylene glycol solvent; titanium tetraisopropoxide is added to the solution to obtain a settled solution; lithium hydroxide is dissolved in deionized water to obtain a lithium hydroxide solution, the lithium hydroxide solution is slowly added to the settled solution to form a solution containing a titanium and lithium mixture, ammonium hydroxide is added dropwise to form a milk white suspension, the suspension is heated and reacts in a stainless steel reaction kettle, and obtained white precipitates are centrifugally separated and dried to obtain white amorphous Li4Ti5O12-TiO2 powder; and the powder is subjected to thermal insulation for 1-48 h at the temperature of 300-1,000 DEG C and is cooled to the room temperature to obtain the globular-flower-shaped Li4Ti5O12-TiO2 composite electrode material. The preparation method has the benefits as follows: the Li4Ti5O12-TiO2 composite electrode material has high specific discharge capacity and excellent multiplying power cycling performance.

Description

A kind of spherical flower-shaped Li 4ti 5o 12-TiO 2the preparation method of combination electrode material
Technical field
The invention belongs to novel energy resource material technology field, relate to a kind of spherical flower-shaped Li 4ti 5o 12-TiO 2the preparation method of combination electrode material.
Background technology
Along with increasingly sharpening and the continuous deterioration of earth environment of energy crisis, energy-conservation, green, low-carbon (LC) becomes the theme of human future sustainable development.Electric automobile relies on the advantage of its energy-saving and environmental protection to be day by day subject to favor and the attention of people, and the ideal power source of advantage the becomes electric automobile such as lithium ion battery is high with its operating voltage, energy density is high, long service life, environmental pollution are little.Battery material is the core of lithium ion battery, and it plays decisive influence to the performance of battery.Therefore, the key that obtain high power lithium ion cell is the battery material of exploitation excellent performance.
Spinel-type Li 4ti 5o 12with it, there is excellent cyclical stability, high fail safe becomes the power-type lithium ion battery negative material having very much development potentiality, be subject to the extensive concern of academia and industrial circle.But due to Li 4ti 5o 12lower (the <10 of electronic conductivity of material -13scm -1), make its under high current density during discharge and recharge electrochemical polarization large, capacity attenuation is very fast; And the reversible capacity of this material is generally 150 ~ 165mAhg -1(theoretical capacity is 175mAhg -1), compare low with commercial material with carbon element and non-carbon material (as tinbase, silica-based with 3d transition metal oxide etc.), therefore, constrain the application of its large-scale commercial to a certain extent.
TiO 2there is embedding/de-performance of lithium ion fast and higher theoretical capacity (336mAhg -1) and low cubical expansivity, therefore, by TiO 2introduce Li 4ti 5o 12in material, likely increase the capacity of material.Australia M.M.Rahman etc. adopts molten salt growth method to synthesize Li 4ti 5o 12-TiO 2nano particle, under 1C multiplying power, the discharge capacity after 100 circulations is 138mAhg -1(Rahman.M.M., Wang.J.Z., Hassan.M.F., Chou.S., Wexler.D., Liu.H.K..Basic molten salt process-A new route forsynthesis of nanocrystalline Li4Ti5O12-TiO2anode material for batteriesusing eutectic mixture of LiNO3-LiOH-Li2O2.J.Power Source., 2010,195 (13): 4297-4303).Central South University Li Xinhai etc. adopt a kind of synthetic method of simple and easy green to synthesize class petal Li 4ti 5o 12-TiO 2nanometer sheet, show excellent chemical property (Wu.F., Li.X., Wang.Z., Guo.H..Petal-like Li4Ti5O12-TiO2nanosheets ashigh-performance anode materials for Li-ion batteries.Nanoscale, 2013,5:6936-6943).In addition, we find Li in the research work of summing up a large amount of forefathers 4ti 5o 12-TiO 2the pattern, size etc. of composite material all have considerable influence to the performance of composite material.But up to the present, spherical flower-shaped Li 4ti 5o 12-TiO 2the synthesis of composite material yet there are no bibliographical information.
Summary of the invention
The object of the present invention is to provide a kind of spherical flower-shaped Li 4ti 5o 12-TiO 2the preparation method of combination electrode material, solves existing spinel-type Li 4ti 5o 12under high current density, during discharge and recharge, electrochemical polarization is large, and capacity attenuation is problem faster, and improves reversible capacity and the high rate performance of material.
The technical solution adopted in the present invention is carried out according to following steps:
A softex kw is dissolved in ethylene glycol solvent by ();
B titanium tetraisopropylate joins in above-mentioned solution by (), magnetic agitation 1-60 minute, obtains settled solution;
C () weighs lithium hydroxide according to the atomic ratio Li/Ti=0.8-1.5 of titanium tetraisopropylate and lithium hydroxide, be dissolved in deionized water when magnetic agitation and obtain lithium hydroxide solution, wherein the concentration of lithium hydroxide is 0.01-4.5mol/L;
D lithium hydroxide solution, under the condition of magnetic agitation, slowly joins in the settled solution of step (b) gained by (), form titaniferous lithium mixture solution;
E mass fraction is that the ammoniacal liquor of 25-28% is added drop-wise in titanium lithium mixture solution as pH value regulator by (), form milky suspension-turbid liquid, wherein the addition of ammoniacal liquor is 1-50ml/L;
F milky suspension-turbid liquid is transferred in teflon-lined stainless steel cauldron by (), be positioned in baking oven after sealing, hydro-thermal reaction 1-72 hour at 100-300 DEG C;
Be cooled to room temperature after (g) reaction, by the white depositions centrifugation of gained, use deionized water and absolute ethanol washing white depositions respectively for several times, then white depositions drying in 60-120 DEG C of baking oven is obtained white-amorphous Li 4ti 5o 12-TiO 2powder;
H () is by white-amorphous Li 4ti 5o 12-TiO 2powder is incubated 1-48 hour at 300-1000 DEG C, is cooled to room temperature and obtains spherical flower-shaped Li 4ti 5o 12-TiO 2combination electrode material.
Further, one or more in described softex kw alkylphenol-polyethenoxy (10) ether (OP-10), octyl phenol polyoxyethylene (9) ether (Triton X-100), NPE (TX-10), polyvinylpyrrolidone, lauryl sodium sulfate substitute.
Further, one or both in described lithium hydroxide lithium carbonate, lithium acetate, lithium oxalate, lithium nitrate, lithium phosphate substitute.
Further, one or both in described titanium tetraisopropylate butyl titanate, titanium sulfate, titanyl sulfate, titanium tetrachloride, titanium fluoride substitute.
Further, in described step (a), the concentration of softex kw is 0.0001-2.0mol/L.
Further, in described step (b), the concentration of titanium tetraisopropylate is 0.01-3.0mol/L.
Further, in described step (e), milky suspension-turbid liquid pH value is 7-14.
The invention has the beneficial effects as follows by preparing spherical flower-shaped Li 4ti 5o 12-TiO 2combination electrode material, has high specific discharge capacity and excellent circulation performance.
Accompanying drawing explanation
Fig. 1 is Li prepared by the embodiment of the present invention 1 4ti 5o 12-TiO 2the XRD figure of combination electrode material;
Fig. 2 is Li prepared by the embodiment of the present invention 1 4ti 5o 12-TiO 2combination electrode material FESEM schemes;
Fig. 3 is Li prepared by the embodiment of the present invention 1 4ti 5o 12-TiO 2the chemical property curve chart of combination electrode material.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The present invention carries out according to following steps:
A softex kw is dissolved in ethylene glycol solvent by ();
B titanium tetraisopropylate joins in above-mentioned solution by (), magnetic agitation 1-60 minute, obtains the solution clarified;
C () weighs lithium hydroxide according to the atomic ratio Li/Ti=0.8-1.5 of titanium tetraisopropylate and lithium hydroxide, be dissolved in when magnetic agitation in deionized water, wherein the concentration of lithium hydroxide is 0.01-4.5mol/L;
D step (c) gained lithium hydroxide solution, under the condition of magnetic agitation, slowly joins in the settled solution of step (b) gained by (), form titaniferous lithium mixture solution.
E quality is that the ammoniacal liquor of titanium lithium mixture solution 25-28% is added drop-wise in titanium lithium mixture solution as pH value regulator by (), form milky suspension-turbid liquid, wherein the addition of ammoniacal liquor is 1-50ml/L;
F milky suspension-turbid liquid is transferred in teflon-lined stainless steel cauldron by (), be positioned in baking oven after sealing, hydro-thermal reaction 1-72 hour at 100-300 DEG C.
Be cooled to room temperature after (g) reaction, by the white depositions centrifugation of gained, use deionized water and absolute ethanol washing white depositions respectively for several times, then white depositions drying in 60-120 DEG C of baking oven is obtained white-amorphous Li 4ti 5o 12-TiO 2powder.
H () is by white-amorphous Li 4ti 5o 12-TiO 2powder is incubated 1-48 hour at 300-1000 DEG C, is cooled to room temperature and obtains flower-like microsphere shape Li 4ti 5o 12-TiO 2combination electrode material.
In above step, one or more in softex kw Useful alkyls phenol polyethenoxy (10) ether (OP-10), octyl phenol polyoxyethylene (9) ether (Triton X-100), NPE (TX-10), polyvinylpyrrolidone, lauryl sodium sulfate substitute.Lithium hydroxide can use in lithium carbonate, lithium acetate, lithium oxalate, lithium nitrate, lithium phosphate one or both substitute.Titanium tetraisopropylate can use in butyl titanate, titanium sulfate, titanyl sulfate, titanium tetrachloride, titanium fluoride one or both substitute.In step (a), the concentration of softex kw is 0.0001-2.0mol/L.In step (b), the concentration of titanium tetraisopropylate is 0.01-3.0mol/L.In step (e), milky suspension-turbid liquid pH value is 7-15.
TiO 2mass percent in combination electrode material can control by regulating the concentration of softex kw, hydrothermal condition and Li/Ti ratio.The flower-like microsphere of gained of the present invention is of a size of tens nanometers to tens microns.
With lithium hydroxide and titanium tetraisopropylate for reaction raw materials, the mixed liquor of ethylene glycol and deionized water is reaction dissolvent, and softex kw is Morphological control agent, and ammoniacal liquor is pH value regulator, adopt hydro thermal method in conjunction with heat-treating methods, prepare flower-like microsphere shape Li 4ti 5o 12-TiO 2combination electrode material.Pattern and the size of sample can be regulated and controled by the concentration and hydrothermal condition regulating softex kw, in addition, can also TiO be regulated and controled 2at Li 4ti 5o 12-TiO 2relative amount in composite material.The features such as sample prepared by the present invention has regular appearance, is uniformly dispersed, the distribution of high specific area, multiple aperture and Stability Analysis of Structures, have excellent high rate charge-discharge performance and good cycle performance.This method has synthesis device and technique is simple, and thing phase constituent and appearance and size are easy to control, the features such as energy consumption is low.
The present invention also has the following advantages:
1) sample topography prepared of the present invention regular, be uniformly dispersed, there is high specific area and multiple aperture distribution, shorten the diffusion length of lithium ion, increase the contact area of electrode material and electrolyte, and then be conducive to the high rate performance of raising material.
2) the present invention can by regulating the concentration of softex kw, pH value, hydrothermal condition and Li/Ti ratio, controls TiO in the pattern of composite material and size and composite material 2and Li 4ti 5o 12ratio, obtain the electrode material of electrochemical performance.
3) to have synthesis device and technique simple in the present invention, and thing phase constituent, pattern, size are easy to control, the features such as energy consumption is low, can the preparation of its other inorganic functional composite material of extensive use.
The present invention will be described to enumerate specific embodiment below:
Embodiment 1:
A softex kw is dissolved in ethylene glycol solvent by (), wherein the concentration of softex kw is 1.6mol/L;
B titanium tetraisopropylate joins in above-mentioned solution by (), magnetic agitation 45 minutes, and obtain the solution clarified, wherein the concentration of titanium tetraisopropylate is 2.2mol/L;
C () weighs lithium hydroxide according to atomic ratio Li/Ti=1, be dissolved in when magnetic agitation in deionized water, wherein the concentration of lithium hydroxide is 3.5mol/L;
D lithium hydroxide solution, under the condition of magnetic agitation, slowly joins in settled solution by (), form the solution of titaniferous lithium mixture.
E quality is that the ammoniacal liquor of titanium lithium mixture solution 27% is added drop-wise in titanium lithium mixture solution as pH value regulator by (), form milky suspension-turbid liquid, wherein the addition of ammoniacal liquor is 28ml/L; F milky suspension-turbid liquid is transferred in teflon-lined stainless steel cauldron by (), be positioned in baking oven after sealing, hydro-thermal reaction 54 hours at 260 DEG C.
Be cooled to room temperature after (g) reaction, by the white depositions centrifugation of gained, use deionized water and absolute ethanol washing 3 times respectively, then sediment drying in 90 DEG C of baking ovens is obtained white-amorphous Li 4ti 5o 12-TiO 2powder.
H the powder of gained is incubated 38 hours by () at 700 DEG C, be cooled to room temperature and obtain spherical flower-shaped Li 4ti 5o 12-TiO 2combination electrode material.
As shown in Figure 1, be the Li of embodiment 1 preparation 4ti 5o 12-TiO 2the XRD figure of combination electrode material; Fig. 2 is Li prepared by embodiment 1 4ti 5o 12-TiO 2combination electrode material FESEM schemes; Fig. 3 is Li prepared by embodiment 1 4ti 5o 12-TiO 2the chemical property curve chart of combination electrode material.
Embodiment 2:
A polyvinylpyrrolidone is dissolved in ethylene glycol solvent by (), wherein the concentration of polyvinylpyrrolidone is 0.0001mol/L;
B titanium tetraisopropylate joins in above-mentioned solution by (), magnetic agitation 1 minute, and obtain the solution clarified, wherein the concentration of titanium tetraisopropylate is 0.01mol/L;
C () weighs lithium hydroxide according to atomic ratio Li/Ti=0.8, be dissolved in when magnetic agitation in deionized water, wherein the concentration of lithium hydroxide is 0.01mol/L;
D lithium hydroxide solution, under the condition of magnetic agitation, slowly joins in settled solution by (), form the solution of titaniferous lithium mixture.
E quality is that the ammoniacal liquor of titanium lithium mixture solution 25% is added drop-wise in titanium lithium mixture solution as pH value regulator by (), form milky suspension-turbid liquid, wherein the addition of ammoniacal liquor is 1ml/L;
F milky suspension-turbid liquid is transferred in teflon-lined stainless steel cauldron by (), be positioned in baking oven after sealing, hydro-thermal reaction 1 hour at 100 DEG C.
Be cooled to room temperature after (g) reaction, by the white depositions centrifugation of gained, use deionized water and absolute ethanol washing 2 times respectively, then sediment drying in 60 DEG C of baking ovens is obtained white-amorphous Li 4ti 5o 12-TiO 2powder.
H the powder of gained is incubated 1 hour by () at 400 DEG C, be cooled to room temperature and obtain spherical flower-shaped Li 4ti 5o 12-TiO 2combination electrode material.
Embodiment 3:
A lauryl sodium sulfate is dissolved in ethylene glycol solvent by (), wherein the concentration of lauryl sodium sulfate is 1.3mol/L;
B butyl titanate joins in above-mentioned solution by (), magnetic agitation 30 minutes, and obtain the solution clarified, wherein the concentration of butyl titanate is 2.2mol/L;
C () weighs lithium acetate according to atomic ratio Li/Ti=1.1, be dissolved in when magnetic agitation in deionized water, wherein the concentration of lithium acetate is 3.0mol/L;
D lithium acetate solution, under the condition of magnetic agitation, slowly joins in settled solution by (), form the solution of titaniferous lithium mixture.
E quality is that the ammoniacal liquor of titanium lithium mixture solution 28% is added drop-wise in titanium lithium mixture solution as pH value regulator by (), form milky suspension-turbid liquid, wherein the addition of ammoniacal liquor is 45ml/L;
F milky suspension-turbid liquid is transferred in teflon-lined stainless steel cauldron by (), be positioned in baking oven after sealing, hydro-thermal reaction 40 hours at 260 DEG C.
Be cooled to room temperature after (g) reaction, by the white depositions centrifugation of gained, use deionized water and absolute ethanol washing 4 times respectively, then sediment drying in 120 DEG C of baking ovens is obtained white-amorphous Li 4ti 5o 12-TiO 2powder.
H the powder of gained is incubated 36 hours by () at 950 DEG C, be cooled to room temperature and obtain spherical flower-shaped Li 4ti 5o 12-TiO 2combination electrode material.
The above is only to better embodiment of the present invention, not any pro forma restriction is done to the present invention, every any simple modification done above execution mode according to technical spirit of the present invention, equivalent variations and modification, all belong in the scope of technical solution of the present invention.

Claims (7)

1. a spherical flower-shaped Li 4ti 5o 12-TiO 2the preparation method of combination electrode material, is characterized in that carrying out according to following steps:
A softex kw is dissolved in ethylene glycol solvent by ();
B titanium tetraisopropylate joins in above-mentioned solution by (), magnetic agitation 1-60 minute, obtains settled solution;
C () weighs lithium hydroxide according to the atomic ratio Li/Ti=0.8-1.5 of titanium tetraisopropylate and lithium hydroxide, be dissolved in deionized water when magnetic agitation and obtain lithium hydroxide solution, wherein the concentration of lithium hydroxide is 0.01-4.5mol/L;
D lithium hydroxide solution, under the condition of magnetic agitation, slowly joins in the settled solution of step (b) gained by (), form titaniferous lithium mixture solution;
E quality is that the ammoniacal liquor of titanium lithium mixture solution 25-28% is added drop-wise in titanium lithium mixture solution as pH value regulator by (), form milky suspension-turbid liquid, wherein the addition of ammoniacal liquor is 1-50ml/L;
F milky suspension-turbid liquid is transferred in teflon-lined stainless steel cauldron by (), be positioned in baking oven after sealing, hydro-thermal reaction 1-72 hour at 100-300 DEG C;
Be cooled to room temperature after (g) reaction, by the white depositions centrifugation of gained, use deionized water and absolute ethanol washing white depositions respectively for several times, then white depositions drying in 60-120 DEG C of baking oven is obtained white-amorphous Li 4ti 5o 12-TiO 2powder;
H () is by white-amorphous Li 4ti 5o 12-TiO 2powder is incubated 1-48 hour at 300-1000 DEG C, is cooled to room temperature and obtains flower-like microsphere shape Li 4ti 5o 12-TiO 2combination electrode material.
2. according to spherical flower-shaped Li a kind of described in claim 1 4ti 5o 12-TiO 2the preparation method of combination electrode material, is characterized in that: one or more in described softex kw alkylphenol-polyethenoxy (10) ether (OP-10), octyl phenol polyoxyethylene (9) ether (Triton X-100), NPE (TX-10), polyvinylpyrrolidone, lauryl sodium sulfate substitute.
3. according to spherical flower-shaped Li a kind of described in claim 1 4ti 5o 12-TiO 2the preparation method of combination electrode material, is characterized in that: one or both in described lithium hydroxide lithium carbonate, lithium acetate, lithium oxalate, lithium nitrate, lithium phosphate substitute.
4. according to spherical flower-shaped Li a kind of described in claim 1 4ti 5o 12-TiO 2the preparation method of combination electrode material, is characterized in that: one or both in described titanium tetraisopropylate butyl titanate, titanium sulfate, titanyl sulfate, titanium tetrachloride, titanium fluoride substitute.
5. according to spherical flower-shaped Li a kind of described in claim 1 4ti 5o 12-TiO 2the preparation method of combination electrode material, is characterized in that: in described step (a), the concentration of softex kw is 0.0001-2.0mol/L.
6. according to spherical flower-shaped Li a kind of described in claim 1 4ti 5o 12-TiO 2the preparation method of combination electrode material, is characterized in that: in described step (b), the concentration of titanium tetraisopropylate is 0.01-3.0mol/L.
7. according to spherical flower-shaped Li a kind of described in claim 1 4ti 5o 12-TiO 2the preparation method of combination electrode material, is characterized in that: in described step (e), milky suspension-turbid liquid pH value is 7-15.
CN201410662275.1A 2014-11-18 2014-11-18 Preparation method of globular-flower-shaped Li4Ti5O12-TiO2 composite electrode material Pending CN104409694A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104724796A (en) * 2015-04-17 2015-06-24 北京师范大学 Method for preparing metal-oxide electrode by using microemulsion explosion method
CN105489858A (en) * 2015-12-09 2016-04-13 南阳师范学院 Preparation method of flower-like lithium titanate-titanium dioxide composite electrode material
CN109336169A (en) * 2018-09-29 2019-02-15 南京大学射阳高新技术研究院 A kind of controllable synthesis method of lithium titanate micron-size spherical secondary structure and its application
CN109546102A (en) * 2018-10-18 2019-03-29 北京航空航天大学 A kind of lithium titanate anode material and preparation method thereof

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CN103346298A (en) * 2013-06-06 2013-10-09 吉林大学 Preparation method for lithium titanate-titanium oxide composite electrode material

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CN103346298A (en) * 2013-06-06 2013-10-09 吉林大学 Preparation method for lithium titanate-titanium oxide composite electrode material

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104724796A (en) * 2015-04-17 2015-06-24 北京师范大学 Method for preparing metal-oxide electrode by using microemulsion explosion method
CN105489858A (en) * 2015-12-09 2016-04-13 南阳师范学院 Preparation method of flower-like lithium titanate-titanium dioxide composite electrode material
CN109336169A (en) * 2018-09-29 2019-02-15 南京大学射阳高新技术研究院 A kind of controllable synthesis method of lithium titanate micron-size spherical secondary structure and its application
CN109336169B (en) * 2018-09-29 2020-10-09 南京大学射阳高新技术研究院 Controllable synthesis method and application of lithium titanate micron-sized spherical secondary structure
CN109546102A (en) * 2018-10-18 2019-03-29 北京航空航天大学 A kind of lithium titanate anode material and preparation method thereof

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Application publication date: 20150311