CN109817967A - A kind of preparation method of high capacity aluminium ion cell positive material - Google Patents
A kind of preparation method of high capacity aluminium ion cell positive material Download PDFInfo
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- CN109817967A CN109817967A CN201910060562.8A CN201910060562A CN109817967A CN 109817967 A CN109817967 A CN 109817967A CN 201910060562 A CN201910060562 A CN 201910060562A CN 109817967 A CN109817967 A CN 109817967A
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- aluminium ion
- cell positive
- ion cell
- positive material
- high capacity
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 title claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 239000004411 aluminium Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 22
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000011888 foil Substances 0.000 claims abstract description 15
- 239000000047 product Substances 0.000 claims abstract description 14
- 239000006230 acetylene black Substances 0.000 claims abstract description 13
- YHBDIEWMOMLKOO-UHFFFAOYSA-I pentachloroniobium Chemical compound Cl[Nb](Cl)(Cl)(Cl)Cl YHBDIEWMOMLKOO-UHFFFAOYSA-I 0.000 claims abstract description 13
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 11
- 239000011733 molybdenum Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 238000001291 vacuum drying Methods 0.000 claims abstract description 11
- 239000012265 solid product Substances 0.000 claims abstract description 10
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000227 grinding Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims description 12
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical compound [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims description 9
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000002608 ionic liquid Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000013019 agitation Methods 0.000 claims description 3
- -1 1- ethyl Chemical group 0.000 claims description 2
- 239000010405 anode material Substances 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 239000000460 chlorine Substances 0.000 claims 1
- 229910052801 chlorine Inorganic materials 0.000 claims 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 1
- 150000002460 imidazoles Chemical class 0.000 claims 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 3
- 238000005229 chemical vapour deposition Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 26
- 235000010210 aluminium Nutrition 0.000 description 22
- 229910052744 lithium Inorganic materials 0.000 description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- SENYKMJURVCTMZ-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].O.[Al+3].[Nb+5] Chemical compound [O-2].[O-2].[O-2].[O-2].O.[Al+3].[Nb+5] SENYKMJURVCTMZ-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- WFYJISLZGVEJAE-UHFFFAOYSA-N [Cl].C(C)N1CN(C=C1)C Chemical compound [Cl].C(C)N1CN(C=C1)C WFYJISLZGVEJAE-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 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 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 150000004040 pyrrolidinones Chemical class 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 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)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of preparation method of high capacity aluminium ion cell positive material, include the following steps: for anhydrous columbium pentachloride powder to be placed in tube furnace, heat 3~5h, be cooled to room temperature, collects white solid product；By above-mentioned product and Kynoar and acetylene black mixed grinding；Then be added 1-Methyl-2-Pyrrolidone be stirred, be made slurry, slurry is coated on molybdenum foil, vacuum drying to get arrive the aluminium ion cell positive material.The present invention has synthesized niobium pentoxide nano pipe using very simple method, and using anhydrous niobium chloride as raw material, a step chemical vapor deposition is obtained in air atmosphere；As aluminium ion cell positive material, which has embodied non-good chemical property.
Description
Technical field
This application involves electrochemical energy storage technical fields, in particular to a kind of high capacity aluminium ion anode material
The preparation method of material.
Background technique
In in the past few decades, a large amount of discharges for using and consuming caused greenhouse gases of fossil fuel and air
Pollution problem arouses widespread concern.For this purpose, people start to explore sustainable clean energy resource, and such as: solar energy, wind
Energy, tide energy etc..But these energy are unevenly distributed over time and space, it is therefore desirable to the efficient energy stores of Development of Novel
Equipment is used cooperatively.Common novel energy-storing equipment mainly has lithium battery, sode cell, flow battery and supercapacitor etc..This
Chemistry can be reversibly changed into electric energy by electrochemical process by a little energy storage devices, thus the limit of break through and space
System, persistently provides clean energy resource incessantly.In recent years, various electrochemical energy storing devices have been widely used for portable electronic piece and set
Standby, electric car and the peak value storage of smart grid etc. can reduce the mankind and depend on journey unduly to non-renewable fossil energy
Degree reduces carbon dioxide and contaminants associated discharge, alleviates the pressure of the energy and environment.Therefore, find high-energy density with
Power density, safe, inexpensive energy storage device have become the common recognition of the mankind.
Since the last century 90's, using graphite as cathode, cobalt acid lithium or LiFePO4 are positive lithium-ion electric
Pond has obtained unprecedentedly developing, and occupies most of market in fields such as electronic equipment, electric cars rapidly.However practical application
Many defects of lithium battery are exposed, such as: 1. lithium metal properties are active, and chance water is inflammable, and the Li dendrite of circulating battery process is asked
Topic and common lithium battery electrolytes contain organic solvent mostly and cause lithium battery safety not high；2. lithium ore resources are relatively deficient
And be unevenly distributed result in lithium battery cost it is high, be very difficult to apply on the extensive energy storage device such as power grid；And lithium
The extensive use of battery has resulted in lithium ore resources price and rapidly goes up.It is rich using the earth's crust from the point of view of sustainable development
It is imperative to spend the stable and safe lithium battery substitute products of high element development low cost, high capacity, long circulating.
In recent years, because mineral resources are abundant, the research of non-lithium battery such as sodium, magnesium, aluminum cell gradually receives people's
Concern.Especially sode cell, because having many similar electrochemical properties with lithium, the successful experiences of many lithium batteries can be by
Reference is applied on sode cell.Therefore sode cell is placed high hopes by people, but it is worth noting that, whether sode cell at present
Or magnesium cell, charge/discharge capacity and cycle performance can not all be mentioned in the same breath with lithium battery.Relative to other batteries, aluminum cell has
More advantage, such as: 1. metallic aluminiums are the element that content third is high in the highest metallic element of natural abundance and the earth's crust, cost
It is cheap；2. the redox reaction of three electronics transfers makes aluminum cell have very high theoretical capacity (2980A h kg-1Or
8046A h L-1)；3. the property that metallic aluminium can be stabilized in air also ensures the superior security performance of aluminum cell.
However in past research, it has been found that in water system electrolyte, metallic aluminum surface easily forms dense oxidation film
And easily water decomposition etc., to limit the application of water system aluminum cell.Under ion liquid system, aluminum cell can also encounter positive material
The problems such as decomposition and poor cycle life of material.Hongjie Dai and partner report pyrolytic graphite and three-dimensional graphite conduct
Aluminum cell positive electrode constructs cycle performance and the excellent aluminium ion battery of high rate performance.Regrettably graphite or graphene
The specific capacity of base aluminum cell only has 60-120mAh g-1。
Summary of the invention
Aiming at the deficiencies in the prior art, this application provides a kind of systems of high capacity aluminium ion cell positive material
Preparation Method.
Specifically, including the following steps: for anhydrous columbium pentachloride powder to be placed in tube furnace, 3~5h is heated, room is cooled to
Temperature collects white solid product；By above-mentioned product and Kynoar and acetylene black mixed grinding；Then 1- methyl -2- is added
Pyrrolidones is stirred, be made slurry, slurry is coated on molybdenum foil, vacuum drying to get to the aluminium ion battery just
Pole material.
Further, include the following steps: for anhydrous columbium pentachloride powder to be placed in tube furnace, in 40~60sccm, 500
3~5h is heated in air stream at~700 DEG C, is cooled to room temperature, and white solid product is collected；By above-mentioned product and polyvinylidene fluoride
Alkene and acetylene black mixed grinding；Then 1-Methyl-2-Pyrrolidone is added to be stirred, slurry is made, slurry is coated in molybdenum foil
On, at 90~95 DEG C vacuum drying to get arrive the aluminium ion cell positive material.
Further, include the following steps: for anhydrous columbium pentachloride powder to be placed in tube furnace, in 50sccm, 600 DEG C
Under air stream in heat 4h, be cooled to room temperature, collect white solid product；By above-mentioned product and Kynoar and acetylene black
Mixed grinding half an hour；Then 1-Methyl-2-Pyrrolidone is added to be stirred, slurry is made, slurry is coated on molybdenum foil,
Vacuum drying 12 hours is at 95 DEG C to get arriving the aluminium ion cell positive material.
Specifically, the white solid product is niobium pentoxide nano pipe in above-mentioned steps.
Specifically, in above-mentioned steps, the niobium pentoxide nano pipe, Kynoar, acetylene black mass ratio be
8:1:1。
More specifically, the preparation method of the high capacity aluminium ion cell positive material, includes the following steps:
(1) anhydrous columbium pentachloride powder is taken out in argon atmospher glove box, is placed in clean quartz boat；
(2) quartz boat equipped with anhydrous columbium pentachloride powder is transferred to rapidly tube furnace；
(3) 600 DEG C of heating 4h in 50sccm air stream；
(4) it is cooled to room temperature, collects the white solid of generation, i.e. niobium pentoxide nano pipe；
(5) the niobium pentoxide nano pipe of preparation is mixed with Kynoar and acetylene black by the mass ratio of 8:1:1 and is ground
Grind half an hour；It is added 1-Methyl-2-Pyrrolidone magnetic agitation 12 hours, slurry is made；
(6) slurry is coated on molybdenum foil, 95 DEG C, 12 hours vacuum dryings to get.
The invention also discloses a kind of preparation methods of high capacity aluminium ion battery, specifically, with side described in claim 1
The product that method is prepared is anode, using high-purity aluminum foil as cathode, using glass fibre membrane as diaphragm, with anhydrous aluminum chloride and 1-
The mixed ionic liquid of ethyl-3-methylimidazole chlorine assembles aluminum cell as electrolyte.
The invention also discloses a kind of high capacity aluminium ion batteries, make positive electrode by raw material of niobium pentaoxide.
Specifically, the product being prepared using claim 1 the method is positive electrode.
The utility model has the advantages that the present invention has synthesized niobium pentoxide nano pipe using very simple method, with anhydrous niobium chloride work
For raw material, a step chemical vapor deposition is obtained in air atmosphere；As aluminium ion cell positive material, which has embodied non-
Good chemical property.
The present invention is for the common problem that existing aluminium ion secondary battery capacity is low, stability is poor, with air atmosphere chemistry gas
Phase deposition method successfully prepares the niobium pentoxide nano pipe of high-quality.The material shows height in terms of battery performance test
The performance of effect.Higher stability and battery specific capacity, 25mAh g can be still kept after circulation 100 times-1Current density
Lower specific discharge capacity is up to 555mAh g-1.Meanwhile the preparation cost of the material extremely cheap, for later practical popularization and
Using providing convenience.
Detailed description of the invention
Fig. 1 is the SEM picture of niobium pentoxide nano pipe.
Fig. 2 is niobium pentaoxide aluminum cell long circulating performance schematic diagram.
Fig. 3 is niobium pentaoxide aluminum cell specific capacity test chart.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.
Embodiment 1, prepares positive electrode
Anhydrous columbium pentachloride powder is placed in tube furnace, 3~5h is heated, is cooled to room temperature, collects white solid product；
By above-mentioned product and Kynoar and acetylene black 8:1:1 mixed grinding in mass ratio；Then 1-Methyl-2-Pyrrolidone is added
Be stirred, be made slurry, slurry is coated on molybdenum foil, 90~95 DEG C of vacuum dryings to get to the chloride ion battery just
Pole material.
Embodiment 2, prepares battery
The product being in the above way prepared is anode, using high-purity aluminum foil as cathode, using glass fibre membrane as diaphragm,
Using the mixed ionic liquid of anhydrous aluminum chloride and 1- ethyl-3-methylimidazole chlorine as electrolyte, aluminum cell is assembled.
Embodiment 3, electrochemical property test:
The electrochemical property test of niobium pentoxide nano pipe is assembling, blue electrical testing system in the glove box of anhydrous and oxygen-free
It is completed in system (LAND).Specific step is as follows:
Firstly, the niobium pentoxide nano pipe of preparation is mixed with Kynoar and acetylene black by the mass ratio of 8:1:1
Grind half an hour；It is added 1-Methyl-2-Pyrrolidone magnetic agitation 12 hours, slurry is made, slurry is coated on molybdenum foil, 95
DEG C, 12 hours vacuum dryings.
In glove box, using high-purity aluminum foil as cathode, glass fibre membrane is as diaphragm, and niobium pentoxide nano pipe is as just
The mixed ionic liquid of pole, anhydrous aluminum chloride and 1- ethyl-3-methylimidazole chlorine assembles aluminum cell as electrolyte.
Blue electrical measurement test system is opened, experiment parameter, starting test are set.
As shown in Figure 1, the niobium pentoxide nano pipe of synthesis has very uniform size.
As shown in Fig. 2, niobium pentoxide nano pipe has good chemical property.In 100mA g-1It can under current density
It is more than 100 circles to stablize cycle charge-discharge, remaining specific capacity is still above 120mAh g after 100 circles-1。
As shown in figure 3, in 25mA g-1Current density under, the reversible capacity of niobium pentaoxide aluminum cell is up to 555mAh
g-1。
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application.
Claims (9)
1. a kind of preparation method of high capacity aluminium ion cell positive material, which comprises the steps of: by anhydrous five
Chlorination niobium powder is placed in tube furnace, is heated 3~5h, is cooled to room temperature, and white solid product is collected；By above-mentioned product and gather inclined
Vinyl fluoride and acetylene black mixed grinding；Then 1-Methyl-2-Pyrrolidone is added to be stirred, slurry is made, slurry is coated in
On molybdenum foil, vacuum drying to get arrive the aluminium ion cell positive material.
2. the preparation method of high capacity aluminium ion cell positive material according to claim 1, which is characterized in that including such as
Lower step: anhydrous columbium pentachloride powder is placed in tube furnace, is heated in the air stream at 40~60sccm, 500~700 DEG C
3~5h is cooled to room temperature, and collects white solid product；By above-mentioned product and Kynoar and acetylene black mixed grinding；Then
1-Methyl-2-Pyrrolidone is added to be stirred, slurry is made, slurry is coated on molybdenum foil, the vacuum drying at 90~95 DEG C,
Obtain the aluminium ion cell positive material.
3. the preparation method of high capacity aluminium ion cell positive material according to claim 1, which is characterized in that including such as
Lower step: anhydrous columbium pentachloride powder is placed in tube furnace, is heated 4h in the air stream at 50sccm, 600 DEG C, is cooled to
Room temperature collects white solid product；By above-mentioned product and Kynoar and acetylene black mixed grinding half an hour；Then 1- is added
N-methyl-2-2-pyrrolidone N is stirred, and slurry is made, slurry is coated on molybdenum foil, at 95 DEG C vacuum drying 12 hours to get
To the aluminium ion cell positive material.
4. the preparation method of high capacity aluminium ion cell positive material according to claim 1, which is characterized in that described
White solid product is niobium pentoxide nano pipe.
5. the preparation method of high capacity aluminium ion cell positive material according to claim 4, which is characterized in that described
Niobium pentoxide nano pipe, Kynoar, acetylene black mass ratio be 8:1:1.
6. the preparation method of high capacity aluminium ion cell positive material according to claim 1, which is characterized in that including such as
Lower step:
(1) anhydrous columbium pentachloride powder is taken out in argon atmospher glove box, is placed in clean quartz boat；
(2) quartz boat equipped with anhydrous columbium pentachloride powder is transferred to rapidly tube furnace；
(3) 600 DEG C of heating 4h in 50sccm air stream；
(4) it is cooled to room temperature, collects the white solid of generation, i.e. niobium pentoxide nano pipe；
(5) the niobium pentoxide nano pipe of preparation and Kynoar and acetylene black are pressed to the quality of 8:1:1 than mixed grinding half
Hour；It is added 1-Methyl-2-Pyrrolidone magnetic agitation 12 hours, slurry is made；
(6) slurry is coated on molybdenum foil, 95 DEG C, 12 hours vacuum dryings to get.
7. a kind of preparation method of high capacity aluminium ion battery, which is characterized in that be prepared with claim 1 the method
Product is anode, using high-purity aluminum foil as cathode, using glass fibre membrane as diaphragm, with anhydrous aluminum chloride and 1- ethyl -3- methyl
The mixed ionic liquid of imidazoles chlorine assembles aluminum cell as electrolyte.
8. a kind of high capacity aluminium ion battery, which is characterized in that make positive electrode by raw material of niobium pentaoxide.
9. a kind of high capacity aluminium ion battery, which is characterized in that the product being prepared with claim 1 the method is anode
Material.
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| CN104852015A (en) * | 2015-02-11 | 2015-08-19 | 深圳新宙邦科技股份有限公司 | Niobium pentoxide nanosheet composite material, preparation method and application thereof |
| CN107834107A (en) * | 2017-11-14 | 2018-03-23 | 山东科技大学 | A kind of rechargeable aluminium-sulfur battery and preparation method thereof |
| CN108264087A (en) * | 2018-03-16 | 2018-07-10 | 中国科学院广州地球化学研究所 | A kind of single agents autoreaction, which prepares to have, aligns Nb2O5The method of nanometer rods |
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