CN109244435A - A kind of lithium sulfur battery anode material, preparation method and application - Google Patents
A kind of lithium sulfur battery anode material, preparation method and application Download PDFInfo
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- CN109244435A CN109244435A CN201811377146.2A CN201811377146A CN109244435A CN 109244435 A CN109244435 A CN 109244435A CN 201811377146 A CN201811377146 A CN 201811377146A CN 109244435 A CN109244435 A CN 109244435A
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- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
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Abstract
Technical solution of the present invention is related to preparing the technical field of electrode material, specifically a kind of lithium sulfur battery anode material, preparation method and application.The preparation method is a kind of to prepare Fe using simple electrodeposition process3O4The technique of-Fe@C/TiC nano wire is a kind of preparation method of lithium sulfur battery anode material for having the features such as high yield and commercial viability.The present invention is in preparation Fe3O4It is synthesizing mean the easiest and high yield that-Fe@C/TiC nano wire, which does electrodeposition process employed in positive electrode, and this strategy is easy, effectively, it is easy to accomplish Fe3O4The extensive and low-cost industrial of-Fe@C/TiC nano wire preparation.
Description
Technical field
Technical solution of the present invention is related to preparing the technical field of electrode material, specifically a kind of lithium-sulphur cell positive electrode
Material, preparation method and application.
Background technique
Lithium ion battery is since Sony company of Japan takes the lead in realizing industrialization since 1991, because its energy density is high, puts certainly
The advantages that electric rate is low, the service life is long and memory-less effect, oneself is occupied leading market status, is widely used in all kinds of portable electrics
On sub- electrical equipment.Automobile is the important source of traditional energy consumption and environmental pollution all the time, High-performance green environmental protection
The exploitation and use of electric car are imperative.However as the fast development of electric car, conventional lithium ion battery is meeting
It is more shown in its high energy demand out of strength.It therefore, is the research emphasis of energy field for the research and development of high-energy energy storage system
One of.For lithium-sulfur cell because of its high high 2600Wh/kg of theoretical energy density, it is excellent that elemental sulfur is cheap, less toxic, environmental-friendly etc.
Point, it is considered to be the next-generation high energy battery system of great potential becomes global research hotspot.
Although lithium-sulfur cell has the huge advantage of high-energy density etc., there are still some critical problems to restrict
Its scale practical application, concentrated expression are as follows: 1) electrolyte of lithium-sulfur cell generally use material of organic ethers electrolyte, boiling point compared with
It is low, it is unfavorable for hot operation, and electrolytic salt is easy to decompose in air to generate corrosive substance.Meanwhile using gold in battery
Belong to cathode of lithium, be easy to generate Li dendrite in charge and discharge process, cause battery coulombic efficiency decline, or even occur internal short-circuit,
Battery thermal failure explodes；2) the electronic and ionic insulating properties of active material.Sulphur is a kind of common insulating properties substance, electricity
Electron conductivity is only 5 × 10-30S/cm, and its discharging product Li2The conductivityization of S is poor, and only 3.6 × 10-7S/cm.Together
Shi Danzhi S and Li2S is the very poor weak ion conductor of lithium ion conductivity.The deficiency of electric conductivity is difficult to electronics and ion
Effectively transmitting participates in reaction, and it is poor for mechanics that reaction is moved, and causes active material to be difficult to react completely, utilization efficiency is low；3) charge and discharge
Process electrode volume changes very greatly.The density of simple substance coloured glaze is 2.03 g/cm-3, and its discharging product Li2The density of S is 1.67 g/
cm-3, therefore in entire reaction process, active material experiencings nearly 76% volume change, and so big volume change can be led
Electrode structure is caused to be destroyed；4) solubility and adjoint " shuttle effect of charge and discharge intermediate product polysulfide ion in the electrolytic solution
It answers ".During the charging process, it migrates in the poly- lithium sulfide of long-chain that positive electrode surface is formed by electrochemical oxidation to negative terminal surface, quilt
It is reduced into the poly- lithium sulfide of short chain.And the poly- lithium sulfide of short chain migrates back anode again and is oxidized to long-chain.Such polysulfide ion
Continuous increase, the poly- lithium sulfide of short chain commute between positive and negative anodes, form " shuttle effect " exclusive in lithium-sulfur cell, significantly
Reduce the coulombic efficiency of battery and the utilization rate of active material.
Summary of the invention
The present invention above-mentioned lithium-sulfur cell there are aiming at the problem that, provide a kind of lithium sulfur battery anode material, preparation method and
It is a kind of to prepare Fe using simple electrodeposition process using, the preparation method3O4The technique of-Fe@C/TiC nano wire is a kind of
The preparation method for having the lithium sulfur battery anode material of the features such as high yield and commercial viability.The present invention is in preparation Fe3O4-Fe@
C/TiC nano wire does the synthesizing mean that electrodeposition process employed in positive electrode is simplicity and high yield the most, and this plan
It is slightly easy, effectively, it is easy to accomplish Fe3O4The extensive and low-cost industrial of-Fe@C/TiC nano wire preparation.
The technical solution adopted by the present invention is that:
A kind of lithium sulfur battery anode material, which is characterized in that the positive electrode be by metal oxide, metal simple-substance, carbon with
And the composite material of four part of titanium carbide composition, the composite material are nanowire array structure, the nano-wire array is metal
Oxide-metal simple substance is grown in be formed on C/TiC substrate, which can be used as support flexible electrode material, electrode
The synergistic effect of these four components of material makes the self-supporting flexible electrode material show high capacity and high rate capability.
Further preferably, lithium sulfur battery anode material, metal oxide Fe3O4, metal simple-substance is iron, the nano wire
Array is Fe3O4- Fe is grown in what formation on C/TiC substrate was received, i.e. Fe3O4- Fe@C/TiC nano wire.
Further preferably, lithium sulfur battery anode material of the invention, which is characterized in that the Fe3O4- Fe@C/TiC receives
Rice noodles are prepared using electrodeposition process, the specific steps are as follows:
The first step, the preparation of C/TiC nanofiber array:
Degreasing successively is carried out to Ti6Al4V foil in acetone, ethyl alcohol and double distilled water, the Ti6Al4V foil after cleaning is packed into porcelain
Boat is placed in tube furnace, is then passed to argon gas and is removed oxygen and moisture, then acetone is introduced into pipe with argon gas, flow velocity 150-
300 SCCM, are then heated to 850-1000 DEG C, after the reaction of 1.5-4h duration, form C/TiC nanometers in titanium alloy surface
Fiber array；
Second step, the preparation of Fe@C/TiC composite material:
By the FeSO of 70-100g/L4·7H2O, which is dissolved in the triethanolamine of 70mL, is configured to deposition solution, then with C/TiC
Nanofiber array be working electrode, with platinum foil to electrode, using saturated calomel reference electrode, in 10mAcm-2Constant current
Under, it is deposited in PGSTAT302 potentiostat to obtain Fe@C/TiC composite material；
Third step, Fe3O4The preparation of-Fe@C/TiC nano wire:
The Fe@C/TiC composite material of acquisition is immersed in the oxalic acid ethanol solution of 0.3-1mol/L, then by it at 45-60 DEG C
At a temperature of stir 3-6h, then with ethyl alcohol by its washes clean, be placed in Muffle furnace 400-600 DEG C at a temperature of heat
120-180min can be obtained Fe3O4- Fe@C/TiC nano wire.
The features of the present invention in addition,
In second step, FeSO4·7H2O is 70-100g/L in the mass concentration range of triethanolamine, can be in titanium alloy surface
It obtains biggish deposition coverage rate and covers uniform.
As further preferred, in second step, FeSO4·7H2The mass concentration range of O is 70-80g/L.
It is another object of the present invention to provide lithium sulfur battery anode materials of the present invention as lithium sulfur battery anode material
Using.
In aforementioned present invention, related raw material are commercially available.
Beneficial effects of the present invention are as follows:
Compared with prior art, the method for the present invention has following substantive distinguishing features outstanding:
(1) it in design process of the invention, has innovatively been prepared using simple electrodeposition process and has been grown directly upon collector
On self-supporting nanowire array structure, i.e. Fe3O4- Fe@C/TiC nano wire, this structure make the sky between adjacent nanowires
Gap can discharge strain caused by volume change, alleviate Volumetric expansion, and electrolyte is allowed easily to be diffused into electricity
It is extremely internal, to improve cyclical stability and high rate capability.
(2) in design process of the invention, C/TiC substrate plays the diffusion for hindering polysulfide, adsorbs polysulfide
The effect of dissolution restrained effectively " shuttle effect ", improve the utilization rate of active material, increases the capacity of battery.
(3) Fe prepared by the method for the present invention3O4The lithium-sulfur cell of-Fe@C/TiC nano wire composition, the battery at 0.1C
First charge-discharge specific capacity reaches 1110mAh/g, with high discharge capacity and brilliant cyclical stability.
(4) present invention is a kind of lithium sulfur battery anode material preparation method for having high yield Yu commercial viability feature.
In short, Fe of the invention3O4- Fe@C/TiC nano wire, each nano wire can connect with the C/TiC substrate of bottom
Touching, it can be ensured that each nano wire participates in electrochemical reaction, increases reaction power, alleviates volume expansion, and it is steady to improve circulation
Qualitative and high rate capability has high discharge capacity, improves the overall performance of lithium-sulfur cell.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is Fe obtained by embodiment 13O4The charge discharge of-Fe@C/TiC nano wire lithium sulfur battery anode material
Curve.
Fig. 2 is Fe obtained by embodiment 13O4The high rate performance figure of-Fe@C/TiC nano wire lithium sulfur battery anode material.
Fig. 3 is Fe obtained by comparative example 13O4The charge discharge curve of the lithium-sulfur cell of@C microballoon composition.
Specific embodiment
Below in conjunction with specific embodiments of the present invention, apparent and completion is carried out to technical solution of the present invention and is explained
It states.Described embodiment is only a part of the embodiments of the present invention, and is not whole, all in spirit and original of the invention
Within then, any modification, equivalent substitution, improvement and etc. done be should all be included in the protection scope of the present invention.
Embodiment 1:
Fe of the invention3O4- Fe@C/TiC nano wire, is prepared using electrodeposition process, the specific steps are as follows:
The first step, the preparation of C/TiC nanofiber array:
Degreasing successively is carried out to Ti6Al4V foil in acetone, ethyl alcohol and double distilled water, the Ti6Al4V foil after cleaning is packed into porcelain
Boat is placed in tube furnace, is then passed to pure argon and is removed oxygen and moisture, then acetone is introduced into pipe with argon gas, flow velocity is
150 SCCM are then heated to 850 DEG C, after the reaction of 1.5h duration, form tool C/TiC nanofiber battle array in titanium alloy surface
Column.
Second step, the preparation of Fe@C/TiC composite material:
By the FeSO of 70g/L4·7H2O, which is dissolved in the triethanolamine of 70mL, is configured to deposition solution, then with 10mAcm-2's
Constant current is electric to electrode and saturated calomel reference electrode standard three with C/TiC nanofiber array working electrode, platinum foil
The PGSTAT302 potentiostat of pole electrochemical cell is deposited to obtain Fe@C/TiC composite material.
Third step, Fe3O4The preparation of-Fe@C/TiC nano wire:
The Fe@C/TiC composite material of acquisition is immersed in the oxalic acid ethanol solution of 0.3mol/L, then by its temperature at 45 DEG C
Lower stirring 3h, then with ethyl alcohol by its washes clean, being placed on the at a temperature of heating 120min in Muffle furnace at 400 DEG C can be obtained
Fe3O4- Fe@C/TiC nano wire.
Fig. 1 is Fe obtained by the present embodiment3O4The charge discharge of the lithium-sulfur cell of-Fe@C/TiC nano wire production
Curve.By the Fig. 1 as it can be seen that under 0.1C current density, the discharge capacity for the first time of the material is up to 1115mAh/g.
Fig. 2 is Fe obtained by the present embodiment3O4The cycle performance figure of the lithium-sulfur cell of-Fe@C/TiC nano wire production.By
The Fig. 2 is as it can be seen that still keep the capacity of 860mAh/g after 50 circle of circulation.
Use Fe3O4Anode of-Fe@C/TiC the nano wire as lithium-sulfur cell, the method for making lithium-sulfur cell are that industry is conventional
Technology.
Embodiment 2:
Fe of the invention3O4- Fe@C/TiC nano wire, is prepared using electrodeposition process, the specific steps are as follows:
The first step, the preparation of C/TiC nanofiber array:
Degreasing successively is carried out to Ti6Al4V foil in acetone, ethyl alcohol and double distilled water, the Ti6Al4V foil after cleaning is packed into porcelain
Boat is placed in tube furnace, is then passed to pure argon and is removed oxygen and moisture, then acetone is introduced into pipe with argon gas, flow velocity is
200 SCCM are then heated to 950 DEG C, after the reaction of 2.5h duration, form C/TiC nanofiber battle array in titanium alloy surface
Column.
Second step, the preparation of Fe@C/TiC composite material:
By the FeSO of 80g/L4·7H2O, which is dissolved in the triethanolamine of 70mL, is configured to deposition solution, then with 10mAcm-2's
Constant current is electric to electrode and saturated calomel reference electrode standard three with C/TiC nanofiber array working electrode, platinum foil
The PGSTAT302 potentiostat of pole electrochemical cell is deposited to obtain Fe@C/TiC composite material.
Third step, Fe3O4The preparation of-Fe@C/TiC nano wire:
The Fe@C/TiC composite material of acquisition is immersed in the oxalic acid ethanol solution of 0.5mol/L, then by its temperature at 60 DEG C
Lower stirring 5h, then with ethyl alcohol by its washes clean, being placed on the at a temperature of heating 160min in Muffle furnace at 500 DEG C can be obtained
Fe3O4- Fe@C/TiC nano wire.
Comparative example 1:
The first step, Fe3O4The preparation of microballoon:
By stirring 2.7 μ gFeCl3·6H2O is dissolved in 80 μm of L polyvinyl alcohol, forms uniform solution.Then will
7.2gCH3COONa and 2.0g polyethylene glycol is dissolved in said mixture, continuously stirs 30min, then that said mixture is molten
Liquid is transferred in 100ml autoclave, heats 12h at 200 DEG C.Then it is repeatedly washed with ethyl alcohol and deionized water, at 60 DEG C
Dry 12h, obtains Fe3O4Microballoon.
Step 2: Fe3O4The preparation of@C microballoon:
2.5g glucose is dissolved in ultrasound 30min in 75ml deionized water first, then by the 0.15gFe of preparation3O4Powder
It is added in above-mentioned solution, is continuously vigorously stirred 1h, then transfer the solution into 100ml autoclave, heat 14h at 180 DEG C,
It is repeatedly washed with ethyl alcohol and deionized water, dry 12h, finally obtains Fe at 60 DEG C3O4@C microballoon.
Fig. 3 is Fe obtained by comparative example3O4The charge discharge curve of the lithium-sulfur cell of@C microballoon composition.By the Fig. 3
As it can be seen that the discharge capacity for the first time of the material is 860mAh/g under 0.1C current density, it is far below Fe3O4C/TiC nanometers of-Fe@
The discharge capacity for the first time of wire material.
Claims (5)
1. a kind of lithium sulfur battery anode material, which is characterized in that the positive electrode is by metal oxide, metal simple-substance, carbon
And the composite material of four part of titanium carbide composition, the composite material are nanowire array structure, the nano-wire array is gold
Belong to oxide-metal simple substance and be grown in and is formed on C/TiC substrate.
2. lithium sulfur battery anode material according to claim 1, which is characterized in that metal oxide Fe3O4, metal list
Matter is iron, and the nano-wire array is Fe3O4- Fe is grown in what formation on C/TiC substrate was received, i.e. Fe3O4C/TiC nanometers of-Fe@
Line.
3. lithium sulfur battery anode material as claimed in claim 2, which is characterized in that the Fe3O4- Fe@C/TiC nano wire,
It is prepared using electrodeposition process, the specific steps are as follows:
The first step, the preparation of C/TiC nanofiber array:
Degreasing successively is carried out to Ti6Al4V foil in acetone, ethyl alcohol and double distilled water, the Ti6Al4V foil after cleaning is packed into porcelain
Boat is placed in tube furnace, is then passed to argon gas and is removed oxygen and moisture, then acetone is introduced into pipe with argon gas, flow velocity 150-
300 SCCM, are then heated to 850-1000 DEG C, after the reaction of 1.5-4h duration, form C/TiC nanometers in titanium alloy surface
Fiber array；
Second step, the preparation of Fe@C/TiC composite material:
By the FeSO of 70-100g/L4·7H2O, which is dissolved in the triethanolamine of 70mL, is configured to deposition solution, is then received with C/TiC
Rice fiber array be working electrode, with platinum foil to electrode, using saturated calomel reference electrode, in 10mAcm-2Constant current under,
It is deposited in PGSTAT302 potentiostat to obtain Fe@C/TiC composite material；
Third step, Fe3O4The preparation of-Fe@C/TiC nano wire:
The Fe@C/TiC composite material of acquisition is immersed in the oxalic acid ethanol solution of 0.3-1mol/L, then by it at 45-60 DEG C
At a temperature of stir 3-6h, then with ethyl alcohol by its washes clean, be placed in Muffle furnace 400-600 DEG C at a temperature of heat
120-180min can be obtained Fe3O4- Fe@C/TiC nano wire.
4. lithium sulfur battery anode material according to claim 3, which is characterized in that in second step, FeSO4·7H2The matter of O
Amount concentration range is 70-80g/L.
5. application of the lithium sulfur battery anode material as described in above-mentioned 1-4 any claim as lithium sulfur battery anode material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740078A (en) * | 2019-10-21 | 2020-10-02 | 中国科学院深圳先进技术研究院 | Manufacturing method of lithium ion battery cathode structure and lithium ion battery cathode structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103579614A (en) * | 2013-11-14 | 2014-02-12 | 哈尔滨工程大学 | Preparation method of lithium ion battery cathode material composited by in-situ synthesis Fe-Fe3O4 |
-
2018
- 2018-11-19 CN CN201811377146.2A patent/CN109244435A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103579614A (en) * | 2013-11-14 | 2014-02-12 | 哈尔滨工程大学 | Preparation method of lithium ion battery cathode material composited by in-situ synthesis Fe-Fe3O4 |
Non-Patent Citations (2)
| Title |
|---|
| HUI HUANG等: ""Supercritical fluid assisted synthesis of titanium carbide particles embedded in mesoporous carbon for advanced Li-S batteries"", 《JOURNAL OF ALLOYS AND COMPOUNDS》 * |
| KUI CHENG等: ""Highly porous Fe3O4—Fe nanowires grown on C/TiC nanofiber arrays as the high performance anode of lithium-ion batteries"", 《JOURNAL OF POWER SOURCES》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740078A (en) * | 2019-10-21 | 2020-10-02 | 中国科学院深圳先进技术研究院 | Manufacturing method of lithium ion battery cathode structure and lithium ion battery cathode structure |
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Application publication date: 20190118 |