CN107611420A - lithium battery nano electrode material L iNaV2O6And method for preparing the same - Google Patents
lithium battery nano electrode material L iNaV2O6And method for preparing the same Download PDFInfo
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- CN107611420A CN107611420A CN201710756556.7A CN201710756556A CN107611420A CN 107611420 A CN107611420 A CN 107611420A CN 201710756556 A CN201710756556 A CN 201710756556A CN 107611420 A CN107611420 A CN 107611420A
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- lithium battery
- lithium
- electrode material
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- 239000007772 electrode material Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 239000007864 aqueous solution Substances 0.000 claims abstract description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 11
- 239000011734 sodium Substances 0.000 claims abstract description 7
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002253 acid Substances 0.000 claims abstract description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 5
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 239000011858 nanopowder Substances 0.000 claims abstract description 3
- 239000000243 solution Substances 0.000 claims description 13
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- CMZUMMUJMWNLFH-UHFFFAOYSA-N sodium metavanadate Chemical compound [Na+].[O-][V](=O)=O CMZUMMUJMWNLFH-UHFFFAOYSA-N 0.000 claims description 10
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 claims description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- 229910001456 vanadium ion Inorganic materials 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 6
- XIXADJRWDQXREU-UHFFFAOYSA-M lithium acetate Chemical compound [Li+].CC([O-])=O XIXADJRWDQXREU-UHFFFAOYSA-M 0.000 claims description 6
- IIPYXGDZVMZOAP-UHFFFAOYSA-N lithium nitrate Chemical compound [Li+].[O-][N+]([O-])=O IIPYXGDZVMZOAP-UHFFFAOYSA-N 0.000 claims description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 5
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 claims description 5
- 229910000166 zirconium phosphate Inorganic materials 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 4
- 239000001632 sodium acetate Substances 0.000 claims description 4
- 235000017281 sodium acetate Nutrition 0.000 claims description 4
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 239000004317 sodium nitrate Substances 0.000 claims description 3
- 235000010344 sodium nitrate Nutrition 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 2
- 235000015165 citric acid Nutrition 0.000 claims description 2
- 235000011167 hydrochloric acid Nutrition 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 235000017550 sodium carbonate Nutrition 0.000 claims description 2
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 10
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 10
- 239000002245 particle Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 238000012719 thermal polymerization Methods 0.000 abstract description 3
- 150000002500 ions Chemical class 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000010405 anode material Substances 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010668 complexation reaction Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 6
- 229910012985 LiVO3 Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000037427 ion transport Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910012970 LiV3O8 Inorganic materials 0.000 description 1
- 229910019501 NaVO3 Inorganic materials 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
the invention discloses a lithium battery nano electrode material L iNaV2O6adding a lithium source, a sodium source and a vanadium source into an aqueous solution of acrylic acid according to the molar ratio of elements in a molecular formula, adding acid to adjust the pH value to form a stable aqueous solution, performing thermal polymerization to form gel dry powder, grinding and performing heat treatment on the obtained dry powder to obtain a nano powder material L iNaV2O6. According to the invention, a wet chemical method is adopted to realize the full mixing of different raw materials, the V element is stabilized through an acrylic acid complexation reaction, a xerogel is formed by utilizing the thermal polymerization of acrylic acid to inhibit the particle growth in the heat treatment process, and the nanometer material is simply and effectively prepared; na having a larger ion radius+introduced into a layered structure to realize the L iNaV2O6The lithium ion transmission rate and the structural stability of the material are improved; when the material is used as a lithium battery anode material, the gram volume is high, and the cycle performance and the rate performance are good; meanwhile, the method has the advantages of simple preparation process, short preparation period, high efficiency and the like.
Description
Technical field
The present invention relates to lithium battery material field, specifically a kind of lithium battery nano-electrode material LiNaV2O6And its prepare
Method.
Background technology
With the continuous growth of energy demand, explore the new energy energy storage device for possessing premium properties and energy storage material into
One of focus for current development in science and technology.Wherein, lithium battery is because it is with higher energy density, longer cycle life, nothing
The advantages such as memory effect, security are higher and the feature of environmental protection is good, obtain extensive concern and fast development.In the numerous of lithium battery
During key is formed, positive electrode is to influence battery energy density, power density, cycle life and an important factor for security performance,
It is the part of lithium battery most critical.Wherein, possess the positive electrode of layer structure because of its good structural stability and compared with
High lithium ion transport speed and as conventional positive electrode, such as widely used stratiform cobalt acid lithium and ternary material.But
In such material, generally existing gram volume is relatively low to cause that energy density is high, scarcity of resources causes the shortcomings of with high costs.
Compared with currently used layered cathode material, layer structure vanadium system positive electrode such as V2O5、LiVO3And LiV3O8
The advantages that vanadium resource is abundant, synthesis technique is simple, cost is low, gram volume is high, energy density is high is also equipped with, is ideal lithium
Cell positive material.But as the increase of Lithium-ion embeding amount, the layer structure of such material can produce in charge and discharge process
Disordering and irreversible transition, the reduction and cycle performance decay of material gram volume are caused, limits the application of such material.
The content of the invention
It is an object of the invention to provide a kind of lithium battery nano-electrode material LiNaV2O6And preparation method thereof, the material
Structural stability and lithium ion conductivity it is higher, preparation technology is simple, short preparation period, efficiency high.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of lithium battery nano-electrode material LiNaV2O6Preparation method, comprise the following steps:
(1) LiNaV is pressed2O6Elemental mole ratios in molecular formula, lithium source, sodium source, vanadium source are added in the aqueous solution of acrylic acid,
And add acid for adjusting pH value and form stable, aqueous solution;
(2) aqueous solution obtained in step (1) is warming up to T1 and be incubated, the aqueous solution is formed gel and be dried to fluffy
Dry powder;
(3) the dry powder milled processed that will be obtained in step (2), be warming up to temperature T2 carry out be heat-treated reaction obtain nano powder
Body material LiNaV2O6。
Preferably, one or more of the lithium source in the step (1) in lithium acetate, lithium nitrate, lithium hydroxide.
Preferably, the sodium source in the step (1) be selected from sodium acetate, sodium nitrate, sodium carbonate, sodium hydroxide, sodium metavanadate,
One or more in sodium vanadate.
Preferably, the vanadium source in the step (1) is in ammonium metavanadate, vanadic anhydride, sodium metavanadate, sodium vanadate
It is one or more.
Preferably, the pH value regulation acid in the step (1) is in nitric acid, hydrochloric acid, oxalic acid, citric acid, tartaric acid
One or more.
Preferably, vanadium ion molar concentration is not higher than 0.3 mol/L in the aqueous solution in the step (1), vanadium ion with
Acrylic acid molar ratio is not higher than 1, and pH value of water solution is not higher than 2.5.
Preferably, holding temperature T1 is 80-200 DEG C in the step (2), soaking time 1.5-48h.
Preferably, sintered heat insulating temperature T2 is 300-600 DEG C in the step (3), heat treatment time 6-24h.
It is another object of the present invention to provide the lithium battery nano-electrode material that a kind of above method is prepared
LiNaV2O6。
Beneficial effects of the present invention:The present invention passes through the larger Na of ionic radius+The less Li of substitution ion radius+, can expand
The lithium ion transport passage in layer structure is opened, is advantageous to be lifted the lithium ion transport speed of material;Na elements are with Li elements
Same main group adjacent element, LiVO3With NaVO3Belong to monoclinic system together, space group is all C2/c, can form stable solid solution, knot
Structure stability is lifted;By the stable V element of acrylic acid complex reaction, xerogel is formed using acrylic acid thermal polymerization, is suppressed at heat
Nano particle is grown up during reason, can obtain nanometer sized materials.Nanometer LiNaV of the present invention2O6Materials application is in lithium
During cell positive material, the advantages of keeping high gram volume, and lithium ion transport speed is high, can be lifted material cycle performance and
High rate performance;And preparation technology is simple, short preparation period, efficiency high.
Embodiment
The present invention is described in further detail with reference to specific embodiment.
Comparative example:Example 1 in molar ratio:1 weighs raw material lithium acetate and vanadic anhydride, after dry mixed is uniform, under air
450 DEG C are warming up to, insulation 12h can obtain LiVO3Material.
Embodiment 1:Example 1 in molar ratio:1:2:4 are added to the water lithium nitrate, sodium nitrate, ammonium metavanadate and acrylic acid,
It is added dropwise 1:3 nitric acid form the aqueous solution, and pH value of water solution 1.5, vanadium ion molar concentration is 0.15 mol/L.By this solution liter
Temperature obtains fluffy dry powder to 150 DEG C of insulation 15h, is heat-treated 10h at 350 DEG C after ground and mixed, you can obtain nanometer
LiNaV2O6Material.
Embodiment 2:Example 1 in molar ratio:1:1:Lithium acetate, sodium acetate, vanadic anhydride and acrylic acid are added to water by 3
In, it is added dropwise 1:2 hydrochloric acid form the aqueous solution, and pH value of water solution 1, vanadium ion molar concentration is 0.1 mol/L.By this solution liter
Temperature obtains fluffy dry powder to 180 DEG C of insulation 6h, is heat-treated 8h at 450 DEG C after ground and mixed, you can obtain a nanometer LiNaV2O6
Material.
Embodiment 3:Example 1 in molar ratio:1:0.5:2.5 add lithium acetate, sodium metavanadate, vanadic anhydride and acrylic acid
Into water, add oxalic acid and form the aqueous solution, pH value of water solution 2, vanadium ion molar concentration is 0.15 mol/L.By this solution
It is warming up to 100 DEG C of insulation 15h and obtains fluffy dry powder, is heat-treated 24h at 300 DEG C after ground and mixed, you can obtain nanometer
LiNaV2O6Material.
Embodiment 4:Example 3 in molar ratio:1:5:Lithium hydroxide, sodium vanadate, ammonium metavanadate and acrylic acid are added to water by 6
In, add 1:1 nitric acid forms the aqueous solution, and pH value of water solution 1.5, vanadium ion molar concentration is 0.3 mol/L.By this solution
It is warming up to 80 DEG C of insulation 48h and obtains fluffy dry powder, is heat-treated 12h at 500 DEG C after ground and mixed, you can obtain nanometer
LiNaV2O6Material.
Embodiment 5:Example 1 in molar ratio:1:2:Lithium acetate, sodium acetate, ammonium metavanadate and acrylic acid are added to water by 3.5
In, add tartaric acid and form the aqueous solution, pH value of water solution 2.5, vanadium ion molar concentration is 0.05 mol/L.By this solution
It is warming up to 200 DEG C of insulation 1.5h and obtains fluffy dry powder, is heat-treated 6h at 600 DEG C after ground and mixed, you can obtain nanometer
LiNaV2O6Material.
The particle diameter of material is characterized by electronic scanner microscope prepared by comparative example and embodiment, lithium ion mobility speed
Rate is characterized by constant current Intermittent Titration method (GITT), and chemical property is characterized by the test of 2016 button cells.
Button cell makes and method of testing is:Pole piece proportioning is active material:Conductive agent acetylene black:Binding agent Kynoar PVDF
=8:1:1, lithium piece is to electrode, and 2016 button half-cells are prepared in the glove box full of argon gas.Half-cell discharge and recharge section is
After 1.5-4.0V, 0.1C charge and discharge cycles 3 times, then carry out the cycle performance test under 1C.
Following table is that the physical and chemical performance of material in each embodiment characterizes contrast.As can be seen that LiVO prepared by comparative example3Material
Particle diameter is micron level, and average grain diameter is maximum, and aids in the LiNaV of preparation in embodiment by acrylic acid2O6Material granule is averaged
Particle diameter is both less than 500nm.The lithium ion mobility speed of various materials is tested by constant current Intermittent Titration method (GITT), can be seen
Go out, nanoscale LiNaV2O6The lithium ion mobility speed of material is far above micron order LiVO3Material.Electrochemical results also table
It is bright, nanoscale LiNaV2O60.1C and 1C specific discharge capacities, the cycle performance of material are better than micron order LiVO3Material.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously can easily make various modifications to case study on implementation, and described herein one
As principle be applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to implementation case here
Example, for those skilled in the art according to the announcement of the present invention, not departing from improvement that scope made and modification all should be
Within protection scope of the present invention.
Claims (9)
- A kind of 1. lithium battery nano-electrode material LiNaV2O6Preparation method, it is characterised in that comprise the following steps:(1)By LiNaV2O6Elemental mole ratios in molecular formula, lithium source, sodium source, vanadium source are added in the aqueous solution of acrylic acid, and added Enter acid for adjusting pH value and form stable, aqueous solution;(2)By step(1)In the obtained aqueous solution be warming up to T1 and be incubated, the aqueous solution is formed gel and be dried to fluffy dry Powder;(3)By step(2)In obtained dry powder milled processed, be warming up to temperature T2 and carry out being heat-treated reaction and obtain nano-powder material Expect LiNaV2O6。
- 2. lithium battery nano-electrode material LiNaV according to claim 12O6Preparation method, it is characterised in that it is described Step(1)In one or more of the lithium source in lithium acetate, lithium nitrate, lithium hydroxide.
- 3. lithium battery nano-electrode material LiNaV according to claim 12O6Preparation method, it is characterised in that it is described Step(1)In one kind or more in sodium acetate, sodium nitrate, sodium carbonate, sodium hydroxide, sodium metavanadate, sodium vanadate of sodium source Kind.
- 4. lithium battery nano-electrode material LiNaV according to claim 12O6Preparation method, it is characterised in that it is described Step(1)In one or more of the vanadium source in ammonium metavanadate, vanadic anhydride, sodium metavanadate, sodium vanadate.
- 5. lithium battery nano-electrode material LiNaV according to claim 12O6Preparation method, it is characterised in that it is described Step(1)In one or more of the pH value regulation acid in nitric acid, hydrochloric acid, oxalic acid, citric acid, tartaric acid.
- 6. lithium battery nano-electrode material LiNaV according to claim 12O6Preparation method, it is characterised in that it is described Step(1)In the aqueous solution in vanadium ion molar concentration be not higher than 0.3 mol/L, vanadium ion is not high with acrylic acid molar ratio In 1, pH value of water solution is not higher than 2.5.
- 7. lithium battery nano-electrode material LiNaV according to claim 12O6Preparation method, it is characterised in that it is described Step(2)Middle holding temperature T1 is 80-200 DEG C, soaking time 1.5-48h.
- 8. lithium battery nano-electrode material LiNaV according to claim 12O6Preparation method, it is characterised in that it is described Step(3)Middle sintered heat insulating temperature T2 is 300-600 DEG C, heat treatment time 6-24h.
- 9. the lithium battery nano-electrode material LiNaV that claim 1 method is prepared2O6。
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Cited By (2)
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CN111952580A (en) * | 2020-08-28 | 2020-11-17 | 天津工业大学 | Preparation method of vanadium-based nano material for anode of water-based zinc ion battery |
WO2024000101A1 (en) * | 2022-06-27 | 2024-01-04 | 宁德时代新能源科技股份有限公司 | Secondary battery, battery module, battery pack, and electrical device |
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