CN107134569A - A kind of battery, battery electrode material and preparation method thereof - Google Patents
A kind of battery, battery electrode material and preparation method thereof Download PDFInfo
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- CN107134569A CN107134569A CN201710327610.6A CN201710327610A CN107134569A CN 107134569 A CN107134569 A CN 107134569A CN 201710327610 A CN201710327610 A CN 201710327610A CN 107134569 A CN107134569 A CN 107134569A
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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
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
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- 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 provides a kind of battery, battery electrode material and preparation method thereof.The preparation method of battery electrode material is：Tetra-n-butyl titanate is dissolved in absolute ethyl alcohol and obtains the first solution；Organic acid is added into the first solution and obtains the second solution；Lithium acetate solution is slowly dropped into the second solution under agitation, while adjusting pH to 3~4；Presoma is obtained after standing, drying；Presoma is heated under oxygen-free environment；Tetra-n-butyl titanate, organic acid, the ratio of the amount of the material of lithium acetate are：4~6:5~12.5:4~5.Battery electrode material, is made up of above-mentioned preparation method.Battery, is made up of above-mentioned battery electrode material.The preparation method is simple and easy to apply, and the battery electrode material and battery prepared has the characteristics of discharge and recharge reaction good reversibility, cycle performance are excellent, chemical reactivity is high.
Description
Technical field
The present invention relates to the preparing technical field of lithium ion battery electrode material, and more particularly to a kind of battery, battery electricity
Pole material and preparation method thereof.
Background technology
Lithium titanate (Li4Ti5O12) as lithium ion battery negative material have that current potential is high, do not react with electrolyte,
The advantages of zero strain and fast chemical diffusion, be potential power-type lithium ion battery negative material, but high rate capability is poor
It is to influence one of key factor of its commercial applications.Li is improved at present4Ti5O12The method of high rate performance mainly has reduction grain
Footpath, high electricity price ion doping and introduce height and lead equal, but these methods can cause Li4Ti5O12Material at low temperature high magnification environment
Under the defect such as chemical property is good, cyclicity and security difference.Therefore based on Li4Ti5O12Composite is prepared to improve
Its high rate performance is necessary.
Titanium dioxide (TiO2) Stability Analysis of Structures, there are excellent multiplying power and cycle performance when being used as electrode material, in addition
TiO2With Li4Ti5O12Ti is directed in removal lithium embedded reaction3+/Ti4+Electricity to reaction, voltage platform matching preferably, therefore
Composite prepared by titania additive lithium titanate is expected to obtain good chemical property.
However, during sol-gel process prepares lithium titanate, the performance of the electrode material often prepared is not
It is good.
The content of the invention
The first object of the present invention is to provide a kind of preparation method of battery electrode material, and the preparation method science is closed
Reason, it is simple and easy to apply.
The second object of the present invention is to provide a kind of battery electrode material, and this battery electrode material has discharge and recharge reaction
The characteristics of good reversibility, cycle performance are excellent, chemical reactivity is high.
The third object of the present invention is to provide a kind of battery, and this battery has discharge and recharge reaction good reversibility, cyclicity
The characteristics of energy is excellent, chemical reactivity is high.
The present invention is solved its technical problem and realized using following technical scheme.
The present invention proposes a kind of preparation method of battery electrode material, and tetra-n-butyl titanate is dissolved in into absolute ethyl alcohol obtains the
One solution；Organic acid is added into the first solution and obtains the second solution；Under agitation, lithium acetate solution is slowly dropped into second
In solution, while adjusting pH to 3~4；Presoma is obtained after standing, drying；Presoma is heated under oxygen-free environment；Metatitanic acid four
N-butyl, organic acid, the ratio of the amount of the material of lithium acetate are：4~6:5~12.5:4~5.
The present invention proposes a kind of battery electrode material, is made up of above-mentioned preparation method.
The present invention proposes a kind of battery, is made up of above-mentioned battery electrode material.
A kind of beneficial effect of battery electrode material proposed by the present invention and preparation method thereof is：
Titanium dioxide self structure is stable, has good multiplying power and cycle performance, is doped to lithium titanate (Li4Ti5O12) in, can
To improve Li4Ti5O12Multiplying power and cycle performance.The preparation method is being prepared by controlling rationally and strictly parameters
During lithium titanate, the titanium dioxide (anatase titanium dioxide) of single ore deposit phase can be had to.The battery prepared
Electrode material and battery have the characteristics of discharge and recharge reaction good reversibility, cycle performance are excellent, chemical reactivity is high.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of embodiment of the present invention, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the Li obtained by the embodiment of the present invention 64Ti5O12/A-TiO2The x-ray diffraction pattern of/C battery electrode materials；
Fig. 2 is the Li obtained by the embodiment of the present invention 64Ti5O12/A-TiO2The hot weightless picture of/C battery electrode materials；
Fig. 3 is the Li obtained by the embodiment of the present invention 64Ti5O12/A-TiO2First visual angle of/C battery electrode materials it is saturating
Penetrate electron microscope；
Fig. 4 is the Li obtained by the embodiment of the present invention 64Ti5O12/A-TiO2Second visual angle of/C battery electrode materials it is saturating
Penetrate electron microscope；
Fig. 5 is the Li obtained by the embodiment of the present invention 64Ti5O12/A-TiO2/ C battery electrode materials are under the conditions of 0.1A/g
Discharge curve curve；
Fig. 6 is the Li obtained by the embodiment of the present invention 64Ti5O12/A-TiO2/ C battery electrode materials are under the conditions of 0.1A/g
Coulombic efficiency curve.
Embodiment
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, are the conventional production that can be obtained by commercially available purchase
Product.
A kind of battery proposed by the present invention, battery electrode material and preparation method thereof are specifically described below.
A kind of preparation method of battery electrode material provided in an embodiment of the present invention, is Li specifically4Ti5O12/A-TiO2/
The preparation method of C composite lithium ion battery materials.
In the present embodiment, battery electrode material is mainly prepared by sol-gel process.
Tetra-n-butyl titanate is dissolved in absolute ethyl alcohol and obtains the first solution；Organic acid is added into the first solution and obtains second
Solution；In the present embodiment, organic acid is any of acetic acid, citric acid.
Preferably, organic acid is citric acid.Citric acid one is to adjust solution ph, and two be to do chelating agent control product shape
Looks, the carbon that part is formed after burning can also make conductive materials.
Lithium acetate solution is slowly dropped into the second solution under agitation, while adjusting pH to 3~4, to obtain the 3rd molten
Liquid.In this step, it is emphasized that, it is to carry out simultaneously to adjust pH and lithium acetate solution is slowly dropped into the second solution
's.
Preferably, vinegar acid for adjusting pH to 3~4 is utilized.Using vinegar acid for adjusting pH, one side acetic acid can be effective as weak acid
Adjust the pH of solution；On the other hand, due in the present embodiment, being lithium source from lithium acetate, not interfered with vinegar acid for adjusting pH
Proportioning between each material.It should be noted that in other embodiments, other weak acid (such as salicylic acid, benzoic acid) can be used
To adjust pH.
By the research of inventor, pH to 3~4 is kept, during lithium titanate is prepared, single ore deposit phase can be had to
Anatase titanium dioxide.
Titanium dioxide self structure is stable, has good multiplying power and cycle performance, if being doped to lithium titanate Li4Ti5O12In,
Li can be improved4Ti5O12Multiplying power and cycle performance.The common crystal formation of titanium dioxide has two kinds：Detitanium-ore-type (Anatase) dioxy
Change titanium and rutile-type (Rutile) titanium dioxide.Wherein, anatase titanium dioxide doping is better than rutile titanium dioxide,
Because Detitanium-ore-type TiO2The passage along a, b axle is there is on crystal structure, is easy to Li at room temperature+Insertion and abjection；And golden red
Stone-type TiO2The pore channel extended along c-axis direction is only 4nm, is unfavorable for the Li that radius is about 6nm+Embedded abjection.
Wherein, tetra-n-butyl titanate, organic acid, the ratio of the amount of the material of lithium acetate are：4~6:5~12.5:4~5.It is excellent
Selection of land, tetra-n-butyl titanate, organic acid, the ratio of the amount of the material of lithium acetate are 5:5:4.2.
Preferably, obtaining the method for lithium acetate solution includes：4~5mmol lithium acetate is dissolved in 10ml water.
3rd 20~24h of solution left standstill is obtained into gel, gel is dried to obtain presoma at 60~90 DEG C.Preferably,
300 DEG C of roasting presoma 2h, are cooled to after room temperature, obtain primiparity powder under air conditionses.Further, the present invention compared with
In good embodiment, primiparity powder is increased to 600~700 DEG C from room temperature in a nitrogen atmosphere and 2~3.5h is incubated, after cooling
Obtain Li4Ti5O12/A-TiO2/ C battery electrode materials.
The present embodiment proposes a kind of battery electrode material, is made up of above-mentioned preparation method.
Preferably, the battery electrode material is Li4Ti5O12/A-TiO2/ C battery electrode materials, the Li4Ti5O12/A-
TiO2Club shaped structure is presented in/C battery electrode materials under transmission electron microscope, and this club shaped structure is conducive to its surface-active site
It is scattered, be conducive to increase and the contact area of electrolyte.Club shaped structure provides suitable path for the diffusion of lithium ion, in addition
The duct that rod accumulation is produced is conducive to the diffusion and migration of lithium ion, lithium ion is easier deintercalation in charge and discharge process,
The electron conductivity of the battery electrode material can be significantly improved.
The present embodiment proposes a kind of electrode, is made up of above-mentioned battery electrode material.
The feature and performance to the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of preparation method of battery electrode material is present embodiments provided, including：
Tetra-n-butyl titanate is dissolved in absolute ethyl alcohol and obtains the first solution；Organic acid is added into the first solution and obtains second
Solution；Under agitation, lithium acetate solution is slowly dropped into the second solution, while adjusting pH to 3；Obtained after standing, drying
Presoma；Presoma is calcined under air conditionses, cool down after obtain primiparity powder；By primiparity powder in a nitrogen atmosphere
700 DEG C are increased to from room temperature and 3h is incubated, and are cooled to after room temperature and are taken out, then pulverize.Wherein, tetra-n-butyl titanate, organic
Acid, the ratio of the amount of the material of lithium acetate are：4:5:4.
A kind of battery electrode material, is made up of above-mentioned preparation method.
A kind of battery, is made up of above-mentioned battery electrode material.
Embodiment 2
A kind of preparation method of battery electrode material is present embodiments provided, including：
The absolute ethyl alcohol that 5mmol tetra-n-butyl titanates are dissolved in 40ml is obtained into the first solution, added into the first solution
5mmol citric acids and stir obtain the second solution；The water that 4.2mmol lithium acetates are dissolved in 10ml is obtained into lithium acetate solution；Strong
Under power stirring, lithium acetate solution is slowly dropped into the second solution, while the pH value for adding vinegar acid-conditioning solution is 3, stirring
It is extremely transparent, homogeneous；Gained clear solution standing 24h is obtained into gel；Obtained gel is dried into 24h at 80 DEG C again to obtain
Presoma；Presoma 300 DEG C of roasting 2h under air conditionses, are cooled to room temperature and obtain head product powder.
A kind of battery electrode material, is made up of above-mentioned preparation method.
A kind of battery, is made up of above-mentioned battery electrode material.
Embodiment 3
A kind of preparation method of battery electrode material is present embodiments provided, including：
The absolute ethyl alcohol that 5mmol tetra-n-butyl titanates are dissolved in 40ml is obtained into the first solution, added into the first solution
7.5mmol citric acids and stir obtain the second solution；4.2mmol lithium acetate is dissolved in 10ml water and obtains lithium acetate solution；
Under strong stirring, lithium acetate solution is slowly dropped into the second solution, while the pH value for adding vinegar acid-conditioning solution is 3, stirred
Mix to transparent, homogeneous；Gained clear solution standing 24h is obtained into gel；Obtained gel is dried into 24h at 80 DEG C again to obtain
Obtain presoma；Presoma 300 DEG C of roasting 2h under air conditionses, are cooled to room temperature and obtain head product powder；By head product powder
Body is increased to 700 DEG C from room temperature in a nitrogen atmosphere and is incubated 3h, is then cooled to after room temperature and takes out.
A kind of battery electrode material, is made up of above-mentioned preparation method.
A kind of battery, is made up of above-mentioned battery electrode material.
Embodiment 4
A kind of preparation method of battery electrode material is present embodiments provided, including：
The absolute ethyl alcohol that 5mmol tetra-n-butyl titanates are dissolved in 40ml is obtained into the first solution, added into this first solution
10mmol citric acids and stir obtain the second solution；The water that 4.2mmol lithium acetate is dissolved in 10ml is obtained into lithium acetate solution；
Under strong stirring, lithium acetate solution is slowly dropped into the second solution, while the pH value for adding vinegar acid-conditioning solution is 3.2,
Stir to transparent, homogeneous；Gained clear solution standing 24h is obtained into gel；Obtained gel is dried into 24h i.e. at 80 DEG C again
Obtain presoma；Presoma 300 DEG C of roasting 2h under air conditionses, are cooled to room temperature and obtain head product powder；By head product
Powder is increased to 700 DEG C from room temperature in a nitrogen atmosphere and is incubated 3h, is then cooled to after room temperature and takes out.
A kind of battery electrode material, is made up of above-mentioned preparation method.
A kind of battery, is made up of above-mentioned battery electrode material.
Embodiment 5
A kind of preparation method of battery electrode material is present embodiments provided, including：
The absolute ethyl alcohol that 6mmol tetra-n-butyl titanates are dissolved in 42ml is obtained into the first solution, added into this solution
12.5mmol acetic acid and stir obtain the second solution；The water that 5mmol lithium acetate is dissolved in 10ml is obtained into solution lithium acetate solution；
Under strong stirring, lithium acetate solution is slowly dropped into the second solution, while it is 3~4 to adjust pH value, stirring is obtained
Bright, homogeneous solution；Gained clear solution standing 24h is obtained into gel；Obtained gel is dried into 24h at 80 DEG C again to obtain
Obtain presoma；Presoma 280~320 DEG C of roasting 2h under air conditionses, are cooled to room temperature and obtain head product powder；By primiparity
Powder is increased to 600~750 DEG C from room temperature in a nitrogen atmosphere and is incubated 2~3.5h, is then cooled to after room temperature and takes out, then
Product is manually pulverized.
A kind of battery electrode material, is made up of above-mentioned preparation method.
A kind of battery, is made up of above-mentioned battery electrode material.
Embodiment 6
A kind of preparation method of battery electrode material is present embodiments provided, including：
S1：The absolute ethyl alcohol that 5mmol tetra-n-butyl titanates are dissolved in 40ml is obtained into the first solution；Added into the first solution
5mmol citric acids and stir obtain the second solution；
S2：The water that 4.2mmol lithium acetates are dissolved in 10ml is obtained into lithium acetate solution；
S3：Under strong stirring, lithium acetate solution is slowly dropped into the second solution, while adding vinegar acid-conditioning solution
PH value be 3, stirring is to transparent, homogeneous；
S4：Gained clear solution in S3 is stood into 24h and obtains gel；
S5：The gel obtained in S4 is dried into 24h at 80 DEG C again and obtains presoma；
S6：300 DEG C of roasting presoma 2h, are cooled to room temperature and obtain head product powder under air conditionses；
S7：Primiparity powder is increased to 700 DEG C from room temperature in a nitrogen atmosphere and obtained after being incubated 3h, cooling
Li4Ti5O12/A-TiO2/ C battery electrode materials.
A kind of battery electrode material, is made up of above-mentioned preparation method.
A kind of battery, is made up of above-mentioned battery electrode material.
Test example 1
1st, test method
Half-cell is made in sample made from embodiment 1-6 and carries out chemical property measure, half-cell assembly method is such as
Under：By testing sample, Super P Li conductive blacks (Te Migao), PVDF (A Kema Kynoar binding agent HSV900 types)
It is 85% in mass ratio：10%：5% mixing, is mixed well with 1-METHYLPYRROLIDONE, stirs into thick, be coated on copper foil,
Dried 6 hours at 60 DEG C of vacuum (- 0.1MPa), diameter about 1cm circular film is cut into after cooling.
Half-cell is assembled in glove box using CR2016 types button cell, and barrier film is Celgard2400 polypropylene diaphragms,
Electrolyte for the LiPF6 containing 1M ethylene carbonate (EC) and diethyl carbonate (DEC) mixed electrolytic solution (EC in mixed electrolytic solution,
DEC volume ratio is 1:1), negative pole is the circular lithium piece (diameter 1.5cm) of commercialization, and electrochemical property test is in blue electricity CT2001A
Carried out on type battery test system (Wuhan Land Electronic Co., Ltd.'s production).
2. result of the test
This test example provides the corresponding result of the test of embodiment 6, as a result sees Fig. 1-Fig. 6.
Fig. 1 is the x-ray diffraction pattern for the battery electrode material that embodiment 6 is provided, and be can be seen that by XRD spectrum, characteristic peak point
Not in 2 θ=18.55 °, 35.80 °, 43.45 °, 63.02 ° and 75.52 °, Li correspond to4Ti5O12(111), (311),
(400), (440) and (622) crystal face, crystal structure characteristic peak and the cube spinel-type Li of material4Ti5O12Standard diagram
(JCPDS Card No.49-0207) coincide substantially, shows Li in product4Ti5O12It has been synthesized that, and with Fd3m structures；
In addition in 2 θ=25.14 °, 2 θ=37.97 °, 2 θ=47.91 °, 2 θ=53.99 °, 2 θ=57.24 ° and 2 θ=65.99 ° equipotentials
Put, by standard of comparison spectrogram (JCPDS Card No.21-1276), above-mentioned diffraction maximum is respectively Detitanium-ore-type TiO2's
(110), (101), (103), (400), (105) and (333) crystal face.
Fig. 2 is the hot weightless picture for the battery electrode material that embodiment 6 is provided.Li4Ti5O12/ NC materials have few before 300 DEG C
Mass loss caused by amount absorption water volatilization, it is weightless more between 350 DEG C~700 DEG C, because being coated on Li4Ti5O12
The carbon nitrogen on surface there occurs oxidation reaction at this temperature, and burning generates oxycarbide and nitrogen oxides, can according to weight loss
Release Li4Ti5O12Carbon nitrogen content is respectively 9.3% in/NC.
Fig. 3 and Fig. 4 is the transmission electron microscope picture for the battery electrode material that embodiment 6 is provided.As can be seen from Fig., the sample of preparation
Club shaped structure is presented in product, and the length of rod is about 100nm, and draw ratio is 5, and this club shaped structure is conducive to its surface-active site
It is scattered, be conducive to increase and the contact area of electrolyte, club shaped structure provides suitable path for the diffusion of lithium ion, in addition
The duct that rod accumulation is produced is conducive to the diffusion and migration of lithium ion, lithium ion is easier deintercalation in charge and discharge process,
It is very beneficial for the electron conductivity of the material.
Fig. 5 and Fig. 6 are the cycle charge-discharge and high rate performance test result of battery electrode material respectively.From Fig. 5 and Fig. 6
It can be seen that, the specific capacity discharged first of battery electrode material can reach 171mAh/g, and the specific capacity of charging can reach 164mAh/
G, closely Li4Ti5O12Theoretical charging and discharging capacity (175mAh/g), under 1C multiplying power, material decay is not clear
It is aobvious, still there is certain capacity conservation rate, the specific capacity of material is substantially unchanged after 80 circulations, while material fills after 80 circulations
Specific discharge capacity is 153mAh/g, and specific discharge capacity conservation rate is 88%, and charge specific capacity conservation rate is 92%, and coulombic efficiency
Start to reach 95% during electric discharge, more than 99% is up to all the time after 20 circulations.
In summary, a kind of battery of the invention provided, battery electrode material and preparation method thereof, the battery prepared
Electrode material and battery have the characteristics of discharge and recharge reaction good reversibility, cycle performance are excellent, chemical reactivity is high.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
For technical staff, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of preparation method of battery electrode material, it is characterised in that including：Tetra-n-butyl titanate is dissolved in into absolute ethyl alcohol to obtain
To the first solution；Organic acid is added into first solution and obtains the second solution；Lithium acetate solution is slowly dripped under agitation
Enter into second solution, while adjusting pH to 3~4；Presoma is obtained after standing, drying；By the presoma in anaerobic
It is heated under environment；The tetra-n-butyl titanate, the organic acid, the ratio of the amount of the material of the lithium acetate are：4~6:5~
12.5:4~5.
2. the preparation method of battery electrode material according to claim 1, it is characterised in that the tetra-n-butyl titanate
The amount of material and the volume ratio of the absolute ethyl alcohol are 4~6mmol:35~42ml.
3. the preparation method of battery electrode material according to claim 2, it is characterised in that obtain the lithium acetate solution
Method include：4~5mmol lithium acetate is dissolved in 10ml water.
4. the preparation method of battery electrode material according to claim 1, it is characterised in that obtain the presoma it
Afterwards, before the presoma is heated under oxygen-free environment, in addition to：By the presoma 280~320 DEG C under air conditionses
It is calcined 1.5~3h.
5. the preparation method of battery electrode material according to claim 1, it is characterised in that the presoma is in anaerobic ring
It is by hot mode under border：Under a nitrogen atmosphere, 600~750 DEG C are warming up to, and is incubated 2~3.5h.
6. the preparation method of battery electrode material according to claim 1, it is characterised in that the organic acid is lemon
Acid.
7. the preparation method of battery electrode material according to claim 1, it is characterised in that delay the lithium acetate solution
Slowly it is added dropwise in second solution, while utilizing vinegar acid for adjusting pH to 3~4.
8. a kind of battery electrode material, it is characterised in that as the preparation of the battery electrode material described in claim any one of 1-7
Method is made.
9. battery electrode material according to claim 8, it is characterised in that the battery electrode material is club shaped structure.
10. a kind of battery, it is characterised in that be made up of the battery electrode material described in claim 8.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386385A (en) * | 2011-10-09 | 2012-03-21 | 北京科技大学 | Preparation method of Li4Ti5O12-TiO2 composite electrode material |
| CN102881882A (en) * | 2012-10-15 | 2013-01-16 | 浙江大学 | Preparation method and application of thin-wall capsule-shaped lithium titanate electrode material |
| CN102903900A (en) * | 2012-09-28 | 2013-01-30 | 彩虹集团公司 | Preparing method of lithium titanate cathode material for lithium ion battery |
| CN103400977A (en) * | 2013-08-19 | 2013-11-20 | 攀枝花学院 | Sol-gel method for preparing lithium titanate |
-
2017
- 2017-05-11 CN CN201710327610.6A patent/CN107134569A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386385A (en) * | 2011-10-09 | 2012-03-21 | 北京科技大学 | Preparation method of Li4Ti5O12-TiO2 composite electrode material |
| CN102903900A (en) * | 2012-09-28 | 2013-01-30 | 彩虹集团公司 | Preparing method of lithium titanate cathode material for lithium ion battery |
| CN102881882A (en) * | 2012-10-15 | 2013-01-16 | 浙江大学 | Preparation method and application of thin-wall capsule-shaped lithium titanate electrode material |
| CN103400977A (en) * | 2013-08-19 | 2013-11-20 | 攀枝花学院 | Sol-gel method for preparing lithium titanate |
Non-Patent Citations (2)
| Title |
|---|
| I.A. STENINAA 等: ""High grain boundary density Li4Ti5O12/anatase-TiO2 nanocomposites as anode material for Li-ion batteries"", 《MATERIALS RESEARCH BULLETIN》 * |
| WENJUN ZHU 等: ""Synthesis and electrochemical performance of Li4Ti5O12/TiO2/C nanocrystallines for high-rate lithium ion batteries"", 《RSC ADVANCES》 * |
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Application publication date: 20170905 |