CN109119636A - A kind of titanium vanadium nitrogen nano fiber collector and preparation method thereof - Google Patents
A kind of titanium vanadium nitrogen nano fiber collector and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of titanium vanadium nitrogen nano fiber collectors and its preparation method and application.The titanium vanadium nitrogen nano fiber collector is prepared using following steps: S1. configures precursor solution；S2. the precursor solution spinning in step S1 is obtained into presoma nanofiber using electrostatic spinning apparatus；S3. presoma nanofiber is nitrogenized under the conditions of 600 DEG C~800 DEG C, the titanium vanadium nitrogen nano fiber collector can be obtained.The characteristics of titanium vanadium nitrogen nano fiber collector of the invention combines titanium nitride, vanadium nitride and self-supporting nanostructure, and without containing nonpolar carbon；Collaboration has played titanium nitride, vanadium nitride, the superiority without nonpolar carbon and self-supporting nanostructure, when than titanium nitride or vanadium nitride is used alone, the electric conductivity of lithium sulphur battery electrode is more excellent, shuttle effect is lower, there is improvement result more outstanding for the performance of lithium-sulfur cell, be of great significance to lithium-sulfur cell performance is promoted.
Description
Technical field
The invention belongs to electric storage material collector preparation technical fields, more particularly, to a kind of titanium vanadium nitrogen Nanowire
Tie up collector and preparation method thereof.
Background technique
As non-renewable oil-fired lasting consumption and the new era mankind are for the strong need of the advanced energy
It asks, people is promoted constantly to explore new rechargeable energy source storage facilities.Due at low cost, rich reserves, environment friendly and its
High theoretical capacity, lithium-sulfur cell are considered as excellent next-generation energy demand prediction.But its performance is by sulphur low conductivity and more sulphur
The influence of compound shuttle effect, it is difficult to meet actual extensive use.Therefore, seek a kind of material, promote its electric conductivity, inhibit
Its polysulfide shuttle effect is of great significance to lithium-sulfur cell performance is promoted.
Carbon-based material is since its conductivity is paid high attention to, but nonpolar carbon is unfavorable for the absorption to the more lithium sulfides of polarity
Conversion.Studies have shown that metal nitride has excellent performance, such as high conductivity promotes utilization efficiency；Chemical corrosion resistance is true
Electrode integrality etc. during guarantor's circulating battery.Wherein, vanadium nitride has goes back with catalytic performance as precious metal, promotion oxidation
Motive power and to more lithium sulfide high adsorptions, inhibits its shuttle effect；TiN phase is higher than vanadium nitride conductivity, can
Electric conductivity is further promoted, furthermore titanium nitride is capable of providing more adsorption sites, and it is high to more lithium sulfides to enhance vanadium nitride with this
This superiority of adsorptivity, and vanadium nitride is promoted further to play its catalytic action.
Titanium nitride or vanadium nitride have certain improvement to the electric conductivity or shuttle effect of lithium-sulphur cell positive electrode, but
There are still biggish improvement spaces, up for further improving the electric conductivity of lithium sulphur battery electrode and reducing shuttle effect.
Summary of the invention
The purpose of the present invention is to provide a kind of titanium vanadium nitrogen nano fiber collectors.Present invention combination titanium nitride, vanadium nitride
The characteristics of with self-supporting nanostructure, is prepared for a kind of titanium vanadium nitrogen nano fiber collector, and without containing nonpolar carbon.It adopts simultaneously
It is carried out preparing titanium vanadium nitrogen nano fiber collector with titanium nitride and vanadium nitride, synergistic function is played therebetween, than independent
When using titanium nitride or vanadium nitride, the electric conductivity of lithium sulphur battery electrode is more excellent, and shuttle effect is lower, for the property of lithium-sulfur cell
There can be improvement result more outstanding.
Another object of the present invention is to provide the applications of titanium vanadium nitrogen nano fiber collector.
Above-mentioned purpose of the invention is achieved by following scheme:
A kind of titanium vanadium nitrogen nano fiber collector, is prepared using following steps:
S1. configure precursor solution: solute includes titanium-containing compound, vanadium-containing compound and polyvinylpyrrolidone in solution；It is molten
Agent is Organic Alcohol；
S2. the precursor solution spinning in step S1 is obtained into presoma nanofiber using electrostatic spinning apparatus；
S3. presoma nanofiber is nitrogenized under the conditions of 600 DEG C~800 DEG C, the titanium vanadium nitrogen nano fiber collection can be obtained
Fluid；
Wherein, the molar ratio of titanium elements and vanadium is 1~5:1 in precursor solution.
The molar ratio of titanium elements and vanadium in the titanium vanadium nitrogen nano fiber collector is 1~5:1.Vanadium nitride has
With catalytic performance as precious metal, promotes dynamics of oxidation reduction and to more lithium sulfide high adsorptions, inhibit its effect that shuttles
It answers；TiN phase is higher than vanadium nitride conductivity, can further promote electric conductivity, and furthermore titanium nitride is capable of providing more suctions
Attached site enhances vanadium nitride to more this superiority of lithium sulfide high adsorption with this, and promotes vanadium nitride further to play it and urge
Change effect；Both the present invention, which combines titanium nitride and vanadium nitride, prepares titanium vanadium nitrogen nano fiber collector, be not only utilized
The advantages of, and synergistic function is played therebetween, when than titanium nitride or vanadium nitride is used alone, lithium sulphur battery electrode is led
Electrical property is more excellent, and shuttle effect is lower, has improvement result more outstanding for the performance of lithium-sulfur cell.
When the nitridation very few collector electric conductivity that will lead to of Ti content is excessively poor, content can excessively inhibit the performances such as vanadium nitride catalysis
Performance, thus be unfavorable for play both synergistic effect.
Since nonpolar carbon is unfavorable for the conversion of the absorption to the more lithium sulfides of polarity, the present invention uses electrostatic spinning skill
Art eliminates the nonpolar carbon in fibre spinning in conjunction with high-temperature ammonolysis processing technique, and reducing nonpolar carbon can only be by weak
The more lithium sulfides of physical absorption and bring adversely affect；And obtained nanofiber has self supporting structure, makes when using it
When standby lithium-sulfur cell, the use of binder and additive is avoided, conducive to the transport of ion and electronics in the electrolytic solution.The titanium
The collaboration of vanadium nitrogen nano fiber collector has played titanium nitride, vanadium nitride, the superiority without nonpolar carbon and self-supporting nanostructure,
It is of great significance to lithium-sulfur cell performance is promoted.
Preferably, the molar ratio of titanium elements and vanadium is 4:1 in the precursor solution.
Preferably, the nitriding temperature in step S3 is 800 DEG C, and nitridation time is 2h~8h.
Preferably, the titanium-containing compound is Ti (OC2H5)4, TiO2, Ti4O7, TiCl3, TiCl4Or TiH4；It is described to contain vanadium
Compound is VO (OC2H5)3, V (OC2H5)3, NH4VO3, Na3VO4, VCl2Or V2O5。
Preferably, the titanium-containing compound is Ti (OC2H5)4(i.e. butyl titanate)；The vanadium-containing compound is V
(OC2H5)3(i.e. vanadium acetylacetonate).
Preferably, in the precursor solution mass-volume concentration of polyvinylpyrrolidone and solvent be 0.083~
0.167g/mL。
Preferably, the mass-volume concentration of polyvinylpyrrolidone and solvent is 0.15g/mL in the precursor solution.
Preferably, the condition of electrostatic spinning apparatus are as follows: voltage is 15~25kV, receives 15~20cm of distance, fltting speed
0.01~0.05mL/min.
Application of the titanium vanadium nitrogen nano fiber collector in preparation lithium sulphur battery electrode is also in protection model of the invention
In enclosing.
Compared with prior art, the invention has the following advantages:
The characteristics of present invention combination titanium nitride, vanadium nitride and self-supporting nanostructure, is prepared for a kind of titanium vanadium nitrogen nano fiber collection
Fluid, and without containing nonpolar carbon；Which employs electrostatic spinnings and high-temperature ammonolysis technology to be handled, so that titanium vanadium nitrogen Nanowire
It ties up in collector there is no nonpolar carbon and with self supporting structure characteristic.The titanium vanadium nitrogen nano fiber collector, collaboration hair
Titanium nitride, vanadium nitride, the superiority without nonpolar carbon and self-supporting nanostructure are waved, than titanium nitride or vanadium nitride is used alone
When, the electric conductivity of lithium sulphur battery electrode is more excellent, and shuttle effect is lower, has more outstanding change for the performance of lithium-sulfur cell
Kind effect is of great significance to lithium-sulfur cell performance is promoted.
Detailed description of the invention
Fig. 1 is in embodiment 1 using the perseverance of titanium vanadium nitrogen nano fiber collector and the lithium-sulfur cell of traditional aluminum foil current collector
Flow charge-discharge performance comparison diagram.
Fig. 2 is in embodiment 1 using times of titanium vanadium nitrogen nano fiber collector and the lithium-sulfur cell of traditional aluminum foil current collector
Rate performance comparison diagram.
Fig. 3 is leading using titanium vanadium nitrogen nano fiber collector and the lithium-sulfur cell of traditional aluminum foil current collector in embodiment 1
Electrical property comparison diagram.
Fig. 4 is that titanium vanadium nitrogen nano fiber collector and simple titanium nitride collector, simple vanadium nitride collection are used in embodiment 1
The high rate performance comparison diagram of the lithium-sulfur cell of fluid.
Specific embodiment
The present invention is made combined with specific embodiments below and further being elaborated, the embodiment is served only for explaining this
Invention, is not intended to limit the scope of the present invention.Test method as used in the following examples is normal unless otherwise specified
Rule method；Used material, reagent etc., unless otherwise specified, for the reagent and material commercially obtained.
Embodiment 1
A kind of titanium vanadium nitrogen nano fiber collector, preparation process are as follows:
(1) prepare precursor solution: solute is 3mL butyl titanate in precursor solution, and 0.75g vanadium acetylacetonate and 1.8g are poly-
Vinylpyrrolidone, solvent are 12mL dehydrated alcohol；
(2) precursor solution in (1) is prepared into nanofiber using uniaxial spining technology, voltage 17.5kV receives distance
20cm, fltting speed 0.03mL/min；
(3) by 800 DEG C of calcining nitridations of nanofiber in (2), self-supporting, carbon-free, titanium vanadium nitrogen nano fiber collector are obtained.
Embodiment 2
A kind of titanium vanadium nitrogen nano fiber collector, preparation process is with embodiment 1, the difference is that levulinic in step (1)
The dosage of ketone vanadium is 0.6g.
Embodiment 3
A kind of titanium vanadium nitrogen nano fiber collector, preparation process is with embodiment 1, the difference is that levulinic in step (1)
The dosage of ketone vanadium is 1.0g.
Embodiment 4
A kind of titanium vanadium nitrogen nano fiber collector, preparation process is with embodiment 1, the difference is that levulinic in step (1)
The dosage of ketone vanadium is 0.5g.
Embodiment 5
A kind of titanium vanadium nitrogen nano fiber collector, preparation process is with embodiment 1, the difference is that levulinic in step (1)
The dosage of ketone vanadium is 1.5g.
Embodiment 6
A kind of titanium vanadium nitrogen nano fiber collector, preparation process is with embodiment 1, the difference is that levulinic in step (1)
The dosage of ketone vanadium is 3.0g.
Comparative example 1
Using the common aluminum foil current collector of tradition as comparative example 1.
Comparative example 2
A kind of nitrogen nano fiber collector of Doped with Titanium, preparation process is with embodiment 1, the difference is that before step (1)
It drives and there was only butyl titanate in liquid solution, do not add vanadium acetylacetonate.
Comparative example 3
A kind of nitrogen nano fiber collector of Doped with Titanium, preparation process is with embodiment 1, the difference is that before step (1)
It drives and there was only vanadium acetylacetonate in liquid solution, do not add butyl titanate.
Application Example
The collector that above-described embodiment 1 and comparative example 1~3 obtain is applied in lithium-sulfur cell and is tested for the property.
All collectors are all cut into the disk of diameter 12mm, and test battery size is 2016 type coin batteries.Test
Shown in the result is shown in Figure 1~Fig. 3.
Fig. 1 is to use conventional aluminum in the lithium-sulfur cell and comparative example 1 for use in embodiment 1 titanium vanadium nitrogen nano fiber collector
The long circulating performance comparison figure of the lithium-sulfur cell of foil collector.As shown, using the lithium sulphur of titanium vanadium nitrogen nano fiber collector
Battery shows more excellent in long circulating performance, and charge/discharge capacity is all much higher than using traditional aluminum foil current collector under the conditions of 0.2C
Lithium-sulfur cell.
Fig. 2 is to use traditional aluminium foil using the lithium-sulfur cell of titanium vanadium nitrogen nano fiber collector and comparative example 1 in embodiment 1
The high rate performance comparison diagram of the lithium-sulfur cell of collector.As shown, using the lithium-sulfur cell of titanium vanadium nitrogen nano fiber collector
Showed in multiplying power ring performance it is also more excellent, from 0.1A g-1To 1.5A g-1Return 0.1A g-1Charge/discharge capacity is all remote high
In the lithium-sulfur cell using traditional aluminum foil current collector.
Fig. 3 is to use traditional aluminium foil using the lithium-sulfur cell of titanium vanadium nitrogen nano fiber collector and comparative example 1 in embodiment 1
The electric conductivity comparison diagram of the lithium-sulfur cell of collector.As shown, will become apparent from leading using titanium vanadium nitrogen nano fiber collector
Electrical property is more preferable.
Fig. 4 is the collector prepared in embodiment 1 using titanium vanadium nitrogen nano fiber collector and comparative example 2 and comparative example 3
Lithium-sulfur cell high rate performance comparison diagram.As shown, titanium nitride, compared with vanadium nitride, titanium nitride good conductivity is shown
Multiplying power is more preferable, and vanadium nitride charge/discharge capacity is higher.Three compares, and titanium vanadium nitrogen is higher than titanium nitride charge/discharge capacity, more steady than vanadium nitride
It is qualitative good.From the obtained effect of detection it is found that in titanium vanadium nitrogen nano fiber collector prepared by the present invention, titanium nitride and nitridation
Synergistic function has been played between vanadium.
In addition, inventor has also investigated in titanium vanadium nitrogen nano fiber collector the ratio of titanium nitride and vanadium nitride for afflux
The influence of body performance.It is found by test of many times, when the molar ratio of titanium nitride and vanadium nitride in titanium vanadium nitrogen nano fiber collector
Example has therebetween good synergistic function in the range of 1~5:1, when the ratio of the two is 4:1, the two
Synergistic function is best, and the performance for the collector being prepared is best.And when the nitridation very few collector that will lead to of Ti content is led
Electrically excessively poor, content can excessively inhibit the performance of the performances such as vanadium nitride catalysis, to be unfavorable for playing the synergistic effect of the two, system
The performance of standby collector is poor.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of shield range can also be made on the basis of above description and thinking for those of ordinary skill in the art
Other various forms of variations or variation, there is no necessity and possibility to exhaust all the enbodiments.It is all of the invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the protection of the claims in the present invention within spirit and principle
Within the scope of.
Claims (9)
1. a kind of titanium vanadium nitrogen nano fiber collector, which is characterized in that be prepared using following steps:
S1. configure precursor solution: solute includes titanium-containing compound, vanadium-containing compound and polyvinylpyrrolidone in solution；It is molten
Agent is Organic Alcohol；
S2. the precursor solution spinning in step S1 is obtained into presoma nanofiber using electrostatic spinning apparatus；
S3. presoma nanofiber is nitrogenized under the conditions of 600 DEG C~800 DEG C, the titanium vanadium nitrogen nano fiber collection can be obtained
Fluid；
Wherein, the molar ratio of titanium elements and vanadium is 1~5:1 in precursor solution.
2. titanium vanadium nitrogen nano fiber collector according to claim 1, which is characterized in that titanium elements in the precursor solution
Molar ratio with vanadium is 4:1.
3. titanium vanadium nitrogen nano fiber collector according to claim 1, which is characterized in that the nitriding temperature in step S3 is
800 DEG C, nitridation time is 2h~8h.
4. titanium vanadium nitrogen nano fiber collector according to claim 1, which is characterized in that the titanium-containing compound is Ti
(OC2H5)4, TiO2, Ti4O7, TiCl3, TiCl4Or TiH4；The vanadium-containing compound is VO (OC2H5)2, V (OC2H5)3, NH4VO3,
Na3VO4, VCl2Or V2O5。
5. titanium vanadium nitrogen nano fiber collector according to claim 4, which is characterized in that the titanium-containing compound is Ti
(OC2H5)4；The vanadium-containing compound is V (OC2H5)3。
6. titanium vanadium nitrogen nano fiber collector according to claim 1, which is characterized in that polyethylene in the precursor solution
The mass-volume concentration of pyrrolidones and solvent is 0.083~0.167g/mL.
7. titanium vanadium nitrogen nano fiber collector according to claim 6, which is characterized in that polyethylene in the precursor solution
The mass-volume concentration of pyrrolidones and solvent is 0.15g/mL.
8. titanium vanadium nitrogen nano fiber collector according to claim 3, which is characterized in that the condition of electrostatic spinning apparatus are as follows:
Voltage is 15~25kV, receives 15~20cm of distance, 0.01~0.05mL/min of fltting speed.
9. application of any titanium vanadium nitrogen nano fiber collector of claim 1~8 in preparation lithium sulphur battery electrode.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778352A (en) * | 2019-01-22 | 2019-05-21 | 四川大学 | A kind of Ti of electrostatic spinning in-situ reducing preparation4O7Nanofiber and its method |
| CN111477894A (en) * | 2020-05-11 | 2020-07-31 | 辽宁大学 | High-activity hydrogen evolution inhibition type carbon nanofiber electrode material, preparation method thereof and application thereof in vanadium battery |
| CN111900372A (en) * | 2020-07-28 | 2020-11-06 | 肇庆市华师大光电产业研究院 | Lithium-sulfur battery positive electrode material and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094261A (en) * | 2009-12-09 | 2011-06-15 | 中国科学院兰州化学物理研究所 | Method for preparing titanium nitride nano fibers |
| CN102255098A (en) * | 2010-05-20 | 2011-11-23 | 索尼公司 | Biofule cell |
| CN103140971A (en) * | 2010-06-25 | 2013-06-05 | 日本硅电子技术株式会社 | Electrode collector material and production method for same |
| CN104532404A (en) * | 2014-12-18 | 2015-04-22 | 长春理工大学 | Vanadium nitride (VN) nano-fiber and preparation method thereof |
| US20170141382A1 (en) * | 2015-11-18 | 2017-05-18 | GM Global Technology Operations LLC | Forming sulfur-based positive electrode active materials |
| CN107256956A (en) * | 2017-06-28 | 2017-10-17 | 山东大学 | A kind of nitrogen-doped carbon cladding vanadium nitride electrode material and preparation method and application |
-
2018
- 2018-07-10 CN CN201810752094.6A patent/CN109119636B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094261A (en) * | 2009-12-09 | 2011-06-15 | 中国科学院兰州化学物理研究所 | Method for preparing titanium nitride nano fibers |
| CN102255098A (en) * | 2010-05-20 | 2011-11-23 | 索尼公司 | Biofule cell |
| CN103140971A (en) * | 2010-06-25 | 2013-06-05 | 日本硅电子技术株式会社 | Electrode collector material and production method for same |
| CN104532404A (en) * | 2014-12-18 | 2015-04-22 | 长春理工大学 | Vanadium nitride (VN) nano-fiber and preparation method thereof |
| US20170141382A1 (en) * | 2015-11-18 | 2017-05-18 | GM Global Technology Operations LLC | Forming sulfur-based positive electrode active materials |
| CN107256956A (en) * | 2017-06-28 | 2017-10-17 | 山东大学 | A kind of nitrogen-doped carbon cladding vanadium nitride electrode material and preparation method and application |
Non-Patent Citations (2)
| Title |
|---|
| 商超群: "同轴静电纺丝制备芯壳结构高能电容器电极材料及研究", 《中国优秀硕士学位论文全文数据库》 * |
| 王进贤，董相廷: "《静电纺丝技术与无机纳米材料合成》", 31 August 2012 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778352A (en) * | 2019-01-22 | 2019-05-21 | 四川大学 | A kind of Ti of electrostatic spinning in-situ reducing preparation4O7Nanofiber and its method |
| CN111477894A (en) * | 2020-05-11 | 2020-07-31 | 辽宁大学 | High-activity hydrogen evolution inhibition type carbon nanofiber electrode material, preparation method thereof and application thereof in vanadium battery |
| CN111900372A (en) * | 2020-07-28 | 2020-11-06 | 肇庆市华师大光电产业研究院 | Lithium-sulfur battery positive electrode material and preparation method thereof |
| CN111900372B (en) * | 2020-07-28 | 2022-11-11 | 肇庆市华师大光电产业研究院 | Lithium-sulfur battery positive electrode material and preparation method thereof |
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