CN110350126A - Graphite oxide alkyne film material and preparation method thereof and aqueous systems secondary cell - Google Patents
Graphite oxide alkyne film material and preparation method thereof and aqueous systems secondary cell Download PDFInfo
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- CN110350126A CN110350126A CN201810282517.2A CN201810282517A CN110350126A CN 110350126 A CN110350126 A CN 110350126A CN 201810282517 A CN201810282517 A CN 201810282517A CN 110350126 A CN110350126 A CN 110350126A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention proposes graphite oxide alkyne film materials and preparation method thereof and aqueous systems secondary cell.The method for preparing graphite oxide alkyne film material includes: that (1) prepares reaction solution, wherein reaction solution includes graphite alkene powder, potassium permanganate and water；(2) hydro-thermal reaction is carried out to reaction solution, to obtain graphite oxide alkynes solution；(3) graphite oxide alkynes solution is post-processed, to obtain graphite oxide alkyne film material.Preparation method proposed by the invention, graphite alkene is oxidized to graphite oxide alkynes by hydrothermal reaction at low temperature, the preparation method mild condition, it is easy to operate and be suitable for large scale preparation, and, the graphite oxide alkyne film prepared, a kind of new diaphragm material that can be used as aqueous systems secondary cell uses, and specific capacity, high rate performance and cycle performance of battery etc. can be made to increase significantly.
Description
Technical field
The present invention relates to nano material and preparation technical fields, specifically, the present invention relates to graphite oxide alkyne film materials
And preparation method thereof and aqueous systems secondary cell.
Background technique
At this stage, lithium ion battery energy density with higher, is widely used in various electronic equipments and energy is deposited
Storage field, occupies leading position in commercial cells.But lithium ion battery has at high cost, inflammable, lithium resource scarcity etc.
Disadvantage, seeking the new secondary cell system of one kind becomes particularly important.
Wherein, sodium-ion battery (Zhou, J.；Wang,L.；Yang,M.；Wu,J.；Chen,F.；Huang,W.；Han,
N.；Ye,H.；Zhao,F.；Li,Y.；Li,Y.,Hierarchical VS2Nanosheet Assemblies:A Universal
Host Material for the Reversible Storage of Alkali Metal
Ions.Adv.Mater.2017.), Magnesium ion battery (Li, W.；Li,C.；Zhou,C.；Ma,H.；Chen,J.,Metallic
magnesium nano/mesoscale structures:Their shape-controlled preparation and
Mg/air battery applications.Angew.Chem.Int.Ed.2006,45 (36), 6009-6012.), aluminium ion
Battery (Lee, S.；Cho,J.,Critical Requirements for Rapid Charging of Rechargeable
Al-and Li-Ion Batteries.Angew.Chem.Int.Ed.2015,54 (33), 9452-9455.), zinc battery (Xu,
C.；Li,B.；Du,H.；Kang,F.,Energetic zinc ion chemistry:the rechargeable zinc ion
battery.Angew.Chem.Int.Ed.2012,51(4),933-5；Sun,W.；Wang,F.；Hou,S.；Yang,C.；Fan,
X.；Ma,Z.；Gao,T.；Han,F.；Hu,R.；Zhu,M.；Wang,C.,Zn/MnO2Battery Chemistry With H+
and Zn2+Co-Insertion.J.Am.Chem.Soc.2017；Zhang,N.；Cheng,F.；Liu,Y.；Zhao,Q.；Lei,
K.；Chen,C.；Liu,X.；Chen,J.,Cation-Deficient Spinel ZnMn2O4Cathode in Zn
(CF3SO3)2Electrolyte for Rechargeable Aqueous Zn-Ion
Battery.J.Am.Chem.Soc.2016,138(39),12894-12901；Parker,J.F.；Chervin,C.N.；Pala,
I.R.；Machler,M.；Burz,M.F.；Long,J.W.；Rolison,D.R.,Rechargeable nickel-3D zinc
batteries:An energy-dense,safer alternative to lithium-ion.Science 2017,356
(6336), 415-418.) etc., these secondary cells have many advantages, such as that energy density is high and its is resourceful, are ground extensively
Study carefully.
Meanwhile relative to organic system secondary cell, aqueous systems secondary cell has at low cost, environmental-friendly, safety
The advantages that high, obtains the favor of numerous researchers.The elements such as positive and negative pole material, diaphragm and the electrolyte of aqueous systems secondary cell
It plays a decisive role to the performance of battery.But current diaphragm material generally uses polytetrafluoroethylene film, so that the ratio of battery
Capacity is relatively low.
Therefore, the diaphragm material of aqueous systems secondary cell at this stage still has much room for improvement.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
The present invention is the following discovery based on inventor and completes:
The present inventor has found in the course of the research, graphite alkene can be oxidized to graphite oxide alkynes by hydrothermal reaction at low temperature, should
Preparation method mild condition, easy to operate and be suitable for large scale preparation, also, the graphite oxide alkyne film prepared can be used as
A kind of new diaphragm material of aqueous systems secondary cell uses, and specific capacity, high rate performance and cycle performance of battery etc. can be made to have
It is significant to improve, so as to further promote the development of aqueous systems secondary cell, there is potential practical application value.
In view of this, simple an object of the present invention is to provide a kind of method and be easy to be mass produced prepares oxygen
The method of graphite alkyne film material.
In the first aspect of the present invention, the invention proposes a kind of methods for preparing graphite oxide alkyne film material.
According to an embodiment of the invention, the described method includes: (1) prepares reaction solution, wherein the reaction solution includes graphite
Alkynes powder, potassium permanganate and water；(2) hydro-thermal reaction is carried out to the reaction solution, to obtain graphite oxide alkynes solution；(3) to institute
It states graphite oxide alkynes solution to be post-processed, to obtain the graphite oxide alkyne film material.
Inventor has found that using the preparation method of the embodiment of the present invention, by hydrothermal reaction at low temperature by graphite alkene
It is oxidized to graphite oxide alkynes, it is the preparation method mild condition, easy to operate and be suitable for large scale preparation, also, the oxygen prepared
Graphite alkyne film, the diaphragm that can be used as aqueous systems secondary cell use, and can make specific capacity, high rate performance and the cyclicity of battery
Energy etc. increases significantly.
In addition, preparation method according to the above embodiment of the present invention, can also have the following additional technical features:
According to an embodiment of the invention, in the reaction solution, the weight ratio of graphite alkene powder, potassium permanganate and water is 1:
(1~6): (1~3).
According to an embodiment of the invention, the temperature of the hydro-thermal reaction is 120~200 degrees Celsius, the time is 1~5 hour.
According to an embodiment of the invention, the temperature of the hydro-thermal reaction is 180 degrees Celsius, the time is 3 hours.
According to an embodiment of the invention, the post-processing includes: that dense salt is added in (3-1) Xiang Suoshu graphite oxide alkynes solution
Immersion treatment after acid, and carry out suction filtration processing；(3-2) filters treated powder to described, then successively uses secondary water, ethyl alcohol
Carrying out washing treatment is carried out, to obtain the graphite oxide alkyne film material.
According to an embodiment of the invention, the concentrated hydrochloric acid of the addition is 5~15mL, time of the immersion treatment is 24~
72 hours.
According to an embodiment of the invention, the concentrated hydrochloric acid of the addition is 10mL, the time of the immersion treatment is 48 hours.
In the second aspect of the present invention, the invention proposes a kind of graphite oxide alkyne film materials.
According to an embodiment of the invention, the graphite oxide alkyne film material is prepared by above-mentioned method.
Inventor has found that the graphite oxide alkyne film material of the embodiment of the present invention, as the secondary electricity of aqueous systems
The diaphragm material that the one kind in pond is new uses, so as to have specific capacity, high rate performance and the cycle performance etc. of battery significantly
It improves.It will be appreciated to those of skill in the art that above for described in the method for preparing graphite oxide alkyne film material
Feature and advantage are still applied to the graphite oxide alkyne film material, and details are not described herein.
In the third aspect of the present invention, the invention proposes a kind of aqueous systems secondary cells.
According to an embodiment of the invention, the aqueous systems secondary cell includes diaphragm, and the diaphragm is by above-mentioned oxidation
Graphite alkyne film material is formed.
Inventor has found that the aqueous systems secondary cell of the embodiment of the present invention, diaphragm is by graphite oxide alkynes
What thin-film material was formed, specific capacity, high rate performance and the cycle performance etc. of the aqueous systems secondary cell can be made to have and significantly mentioned
It is high.It will be appreciated to those of skill in the art that above for feature and advantage described in graphite oxide alkyne film material, still
Suitable for the aqueous systems secondary cell, details are not described herein.
In addition, aqueous systems secondary cell according to the above embodiment of the present invention, can also have following additional technology special
Sign:
According to an embodiment of the invention, the aqueous systems secondary cell is selected from sode cell, magnesium cell, aluminum cell and zinc electricity
One of pond.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the method flow diagram for preparing graphite oxide alkyne film material of one embodiment of the invention；
Fig. 2 is the SEM photograph of the graphite oxide alkyne film material of one embodiment of the invention；
Fig. 3 is the TEM photo of the graphite oxide alkyne film material of one embodiment of the invention；
Fig. 4 is the XPS Analysis figure of the graphite oxide alkyne film material of one embodiment of the invention；
Fig. 5 is the photo of the graphite oxide alkyne film of one embodiment of the invention；
Fig. 6 is the battery high rate performance test chart of a comparative example of the invention；
Fig. 7 is the cycle performance test chart of one embodiment of the invention and comparative example；
Fig. 8 is the recycle ratio performance test figure of one embodiment of the invention；
Fig. 9 is the cyclic voltammetry figure of one embodiment of the invention and comparative example.
Specific embodiment
The embodiment of the present invention is described below in detail, those skilled in the art is it will be appreciated that following example is intended for solving
The present invention is released, and is not construed as limitation of the present invention.Unless stated otherwise, it is not expressly recited in embodiment below specific
Technology or conditions, those skilled in the art can be according to common technology or conditions in the art or according to product description
It carries out.Reagents or instruments used without specified manufacturer is the conventional products that can be bought by city.
In one aspect of the invention, the invention proposes a kind of methods for preparing graphite oxide alkyne film material.Reference
Preparation method of the invention is described in detail in Fig. 1.
According to an embodiment of the invention, referring to Fig.1, which includes:
S100: reaction solution is prepared.
In this step, reaction solution is prepared, wherein reaction solution includes graphite alkene powder, potassium permanganate and water.According to this hair
Bright embodiment, in reaction solution, the weight ratio of graphite alkene powder, potassium permanganate and water can be 1:(1~6): (1~3), such as
This, the graphite oxide alkynes formed after hydro-thermal reaction using the reaction solution that aforementioned proportion is formed is finer and close.It is according to the present invention
Embodiment, the specific method for forming reaction solution are not particularly limited, and specifically for example can first be dispersed graphite alkene powder ultrasonic in
After in aqueous solution, potassium permanganate and magnetic agitation are added, those skilled in the art can carry out according to the degree of scatter of reaction solution
Correspondingly adjust.
According to an embodiment of the invention, the specific type of water used in reaction solution is not particularly limited.In the present invention
Some embodiments in, secondary water can be used, in this way, influence of the impurities in water to hydro-thermal reaction can be further decreased, to make
The yield of the graphite oxide alkynes prepared is higher.It should be noted that all " secondary waters " specifically refers to incite somebody to action oneself herein
Water distill and collect 95-100 degrees Celsius of fraction repeat it is primary after, the fraction collected.
S200: hydro-thermal reaction is carried out to reaction solution, to obtain graphite oxide alkynes solution.
In this step, hydro-thermal reaction is carried out to the prepared reaction solution of step S100, to obtain graphite oxide alkynes solution.
According to an embodiment of the invention, the actual conditions of hydro-thermal reaction are not particularly limited, those skilled in the art can
It is correspondingly adjusted according to the specific ratio of graphite alkene powder in reaction solution and potassium permanganate.
In some embodiments of the invention, for being 1:(1~6 containing weight ratio): graphite alkene powder, the height of (1~3)
The reaction solution of potassium manganate and water, the temperature of hydro-thermal reaction can be 120~200 degrees Celsius, and the time is 1~5 hour.In this way, adopting
With above-mentioned hydrothermal condition prepare graphite oxide alkynes efficiency and yield it is all higher；Also, inventor also found by studying for a long period of time,
The consistency of the graphite oxide alkynes formed if hydrothermal temperature is higher than 200 degrees Celsius can reduce instead, if hydrothermal temperature is lower than 120
Degree Celsius ratio that then graphite alkene is oxidized is relatively low；If the time of hydro-thermal reaction is greater than 5 hours, the yield of graphite oxide alkynes is not yet
It can be promoted again, and the conversion ratio of graphite alkene is still relatively low if less than 1 hour.In some specific examples, the temperature of hydro-thermal reaction
Degree can be 180 degrees Celsius, and the time is 3 hours, in this way, the graphite oxide alkynes of high conversion can be obtained efficiently.
S300: post-processing graphite oxide alkynes solution, to obtain graphite oxide alkyne film material.
In this step, the step S200 graphite oxide alkynes solution obtained is post-processed, to obtain graphite oxide alkynes
Thin-film material.
In some embodiments of the invention, step S300 can further comprise: S310 adds into graphite oxide alkynes solution
Enter immersion treatment after concentrated hydrochloric acid, and carries out suction filtration processing；S320 is to filtering treated powder, then successively uses secondary water, second
Alcohol carries out carrying out washing treatment, to obtain graphite oxide alkyne film material.It should be noted that " concentrated hydrochloric acid " herein specifically refers to
Mass fraction is more than 20% aqueous hydrochloric acid solution.
According to an embodiment of the invention, the actual conditions that concentrated hydrochloric acid impregnates are not particularly limited, as long as can pass through dense salt
The step of acid soak, can remaining by-product manganese dioxide in cleared graphite oxide alkynes solution.In some implementations of the invention
In example, the concentrated hydrochloric acid of addition can be 5~15mL, and the time of corresponding immersion treatment can be 24~72 hours, in this way, can be fine
Manganese dioxide in the cleared graphite oxide alkynes solution in ground.In some specific examples, the concentrated hydrochloric acid of addition can be 10mL, at immersion
The time of reason can be 48 hours, in this way, graphite oxide alkynes can be purified efficiently.
In conclusion according to an embodiment of the invention, being incited somebody to action the invention proposes a kind of preparation method by hydrothermal reaction at low temperature
Graphite alkene is oxidized to graphite oxide alkynes, the preparation method mild condition, it is easy to operate and be suitable for large scale preparation, also, prepare
Graphite oxide alkyne film out, a kind of new diaphragm material that can be used as aqueous systems secondary cell use, can make battery specific capacity,
High rate performance and cycle performance etc. increase significantly.
In another aspect of the invention, the invention proposes a kind of graphite oxide alkyne film materials.It is according to the present invention
Embodiment, which prepared by above-mentioned method.
In conclusion according to an embodiment of the invention, can be used as the invention proposes a kind of graphite oxide alkyne film material
A kind of new diaphragm material of aqueous systems secondary cell uses, so as to specific capacity, high rate performance and the cycle performance etc. for making battery
Increase significantly.It will be appreciated to those of skill in the art that above for the side for preparing graphite oxide alkyne film material
Feature and advantage described in method are still applied to the graphite oxide alkyne film material, and details are not described herein.
In another aspect of the invention, the invention proposes a kind of aqueous systems secondary cells.Implementation according to the present invention
Example, which includes diaphragm, and diaphragm is formed by above-mentioned graphite oxide alkyne film material.
According to an embodiment of the invention, the concrete type of aqueous systems secondary cell is unlimited, and specifically such as zinc battery, ability
Field technique personnel can correspondingly be selected according to the specifically used requirement of the aqueous systems secondary cell.In some realities of the invention
It applies in example, aqueous systems secondary cell can be selected from one of sode cell, magnesium cell, aluminum cell and zinc battery, in this way, using upper
The cathode of material category is stated, the aqueous systems secondary cell of composition makes this since selective oxidation graphene is as diaphragm material
The specific capacity of battery, high rate performance and cycle performance are more preferable.
In conclusion according to an embodiment of the invention, the invention proposes a kind of aqueous systems secondary cell, diaphragm be by
What graphite oxide alkyne film material was formed, specific capacity, high rate performance and cycle performance of the aqueous systems secondary cell etc. can be made equal
It increases significantly.It will be appreciated to those of skill in the art that above for spy described in graphite oxide alkyne film material
It seeks peace advantage, is still applied to the aqueous systems secondary cell, details are not described herein.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only descriptive
, without limiting the invention in any way.The materials, reagents and the like used in the following examples unless otherwise specified can be from
Commercial sources obtain.Graphite alkene powder as used in the following examples can refer to following document synthesis: G.X.Li, Y.L.Li,
H.B.Liu,Y.B.Guo,Y.J.Li,D.B.Zhu,Chem.Commun.2010,46,3256-3258.。
Embodiment 1
In this embodiment, graphite oxide alkyne film material is prepared.
Specific method is to disperse 10mg graphite alkene powder ultrasonic in 30mL secondary water, and 20mg Gao Meng is then added
Sour potassium, (ratio of graphite alkene powder, secondary water and potassium permanganate is 1mg:3mL:2mg in reaction solution), magnetic agitation 10 minutes；
It is then transferred in 50mL reaction kettle, in 180 DEG C of reaction 3h, cooled to room temperature, it is molten that centrifugation obtains brown oxidation graphite alkene
Liquid；Then 10mL concentrated hydrochloric acid is added, 48h is impregnated, graphite oxide alkynes is filtered to polytetrafluoroethylene film, successively with secondary
Water, ethanol washing obtain uniform graphite oxide alkyne film material.
Embodiment 2
In this embodiment, according to method and condition substantially the same manner as Example 1, graphite oxide alkyne film material is prepared
Material.Difference is, in this embodiment, disperses 15mg graphite alkene powder ultrasonic in 30mL secondary water, 30mg is then added
Potassium permanganate, (ratio of graphite alkene powder, secondary water and potassium permanganate is 1mg:2mL:2mg).
Embodiment 3
In this embodiment, according to method and condition substantially the same manner as Example 1, graphite oxide alkyne film material is prepared
Material.Difference is, in this embodiment, disperses 30mg graphite alkene powder ultrasonic in 30mL secondary water, 60mg is then added
Potassium permanganate, (ratio of graphite alkene powder, secondary water and potassium permanganate is 1mg:1mL:2mg).
Then, to the graphite oxide alkyne film material of the embodiment, electron microscope (SEM), transmitted electron are scanned
Microscope (TEM) and XPS Analysis.SEM photograph, TEM photo and the energy spectrum analysis figure of the embodiment are respectively as schemed
Shown in 2~Fig. 4, show that the preparation method has successfully prepared graphite oxide alkyne film material.
Embodiment 4
In this embodiment, graphite oxide alkyne film material prepared by embodiment 3 is pressed into diaphragm first, which obtains
The graphite oxide alkyne film obtained can refer to Fig. 5.Then, then using zinc metal sheet as cathode, manganese dioxide nano-plates as anode, oxidation
Graphite alkyne film material is as diaphragm, 1M ZnSO4Aqueous solution and 0.2M MnSO4Aqueous solution is assembled into 2032 types as electrolyte
Button cell.
Comparative example 1
In the comparative example, using zinc metal sheet as cathode, manganese dioxide nano-plates as anode, polytetrafluoroethylene film as every
Film, 1M ZnSO4Aqueous solution and 0.2M MnSO4Aqueous solution is assembled into 2032 type button cells as electrolyte.
Embodiment 5
In this embodiment, to the button cell of the button cell of embodiment 4 and comparative example 1, electrochemistry is carried out respectively
It can test.It specifically includes, high rate performance test is carried out under different current densities, is recycled under 308mA/g current density
Performance test and cyclic voltammetry.Above-mentioned test result is shown:
With reference to Fig. 6, battery specific volume of the battery of comparative example 1 under 154,308,716,1540,3080mA/g current density
Amount is respectively 210,190,160,100,50mAh/g, and performance is general and needs to be further increased.
In the cycle performance test result of 308mA/g current density, with reference to Fig. 7, (the Without GDYO of comparative example 1
It membrane is respectively) 175mAh/g, 300mAh/ with the specific capacity of embodiment 4 (With GDYO membrane) assembled battery
g；Also, Fig. 8 is referred to, 4 assembled battery specific capacity performance of embodiment is relatively stable, and the battery performance that comparative example 1 assembles is instead
In attenuation trend.
In the case where sweeping speed is 0.05mV/s, the battery assembled to comparative example 1 and embodiment 4 carries out cyclic voltammetric respectively
Test, test result can refer to Fig. 9, it will be apparent that there is no to change electrode material for the introducing of graphite oxide alkynes diaphragm
Redox reaction current potential.
In addition to this, then to the battery of embodiment 4 cycle performance survey is individually carried out in high current density 3080mA/g (10C)
Examination, battery specific capacity is 100mAh/g, and can recycle 1950 circles.
It summarizes
Integrated embodiment 1~5 and comparative example 1 can show that preparation method proposed by the invention will by hydrothermal reaction at low temperature
Graphite alkene is oxidized to graphite oxide alkynes, the preparation method mild condition, it is easy to operate and be suitable for large scale preparation, also, prepare
Graphite oxide alkyne film out, the diaphragm that can be used as aqueous systems secondary cell use, and the specific capacity of battery can be made to double, again
Rate performance is effectively improved to 10C and recyclable 2000 circle left and right.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of method for preparing graphite oxide alkyne film material characterized by comprising
(1) reaction solution is prepared, wherein the reaction solution includes graphite alkene powder, potassium permanganate and water；
(2) hydro-thermal reaction is carried out to the reaction solution, to obtain graphite oxide alkynes solution；
(3) the graphite oxide alkynes solution is post-processed, to obtain the graphite oxide alkyne film material.
2. the method according to claim 1, wherein in the reaction solution, graphite alkene powder, potassium permanganate and
The weight ratio of water is 1:(1~6): (1~3).
3. the method according to claim 1, wherein the temperature of the hydro-thermal reaction be 120~200 degrees Celsius,
Time is 1~5 hour.
4. according to the method described in claim 3, the time is it is characterized in that, the temperature of the hydro-thermal reaction is 180 degrees Celsius
3 hours.
5. the method according to claim 1, wherein the post-processing includes:
Immersion treatment after addition concentrated hydrochloric acid in (3-1) Xiang Suoshu graphite oxide alkynes solution, and carry out suction filtration processing；
(3-2) filters treated powder to described, then successively carries out carrying out washing treatment using secondary water, ethyl alcohol, described in obtaining
Graphite oxide alkyne film material.
6. according to the method described in claim 5, it is characterized in that, the concentrated hydrochloric acid of the addition is 5~15mL, at the immersion
The time of reason is 24~72 hours.
7. according to the method described in claim 6, it is characterized in that, the concentrated hydrochloric acid of the addition is 10mL, the immersion treatment
Time be 48 hours.
8. a kind of graphite oxide alkyne film material, which is characterized in that pass through method system according to any one of claims 1 to 7
Standby.
9. a kind of aqueous systems secondary cell, which is characterized in that including diaphragm, and the diaphragm is by oxidation according to any one of claims 8
Graphite alkyne film material is formed.
10. aqueous systems secondary cell according to claim 9, which is characterized in that the aqueous systems secondary cell be selected from
One of sode cell, magnesium cell, aluminum cell and zinc battery.
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| CN111517318A (en) * | 2020-04-16 | 2020-08-11 | 中国科学院高能物理研究所 | Nano enzyme, preparation method and application thereof |
| CN113214829A (en) * | 2021-04-30 | 2021-08-06 | 南京师范大学 | Preparation method of graphite alkyne quantum dot, quantum dot prepared by preparation method and application of quantum dot |
| CN114094277A (en) * | 2021-11-19 | 2022-02-25 | 江苏厚生新能源科技有限公司 | Graphite alkyne coated diaphragm of lithium ion battery and preparation method thereof |
| CN114572960A (en) * | 2022-04-08 | 2022-06-03 | 西南科技大学 | Preparation method of graphite oxide alkyne membrane material for adsorbing and separating uranium |
| CN115367747A (en) * | 2022-07-22 | 2022-11-22 | 中国科学院化学研究所 | Application of graphite oxide alkyne in proton conductor |
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| CN106276857A (en) * | 2016-08-12 | 2017-01-04 | 上海交通大学 | A kind of method preparing functional carbon material |
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| CN111517318A (en) * | 2020-04-16 | 2020-08-11 | 中国科学院高能物理研究所 | Nano enzyme, preparation method and application thereof |
| CN113214829A (en) * | 2021-04-30 | 2021-08-06 | 南京师范大学 | Preparation method of graphite alkyne quantum dot, quantum dot prepared by preparation method and application of quantum dot |
| CN114094277A (en) * | 2021-11-19 | 2022-02-25 | 江苏厚生新能源科技有限公司 | Graphite alkyne coated diaphragm of lithium ion battery and preparation method thereof |
| CN114572960A (en) * | 2022-04-08 | 2022-06-03 | 西南科技大学 | Preparation method of graphite oxide alkyne membrane material for adsorbing and separating uranium |
| CN114572960B (en) * | 2022-04-08 | 2023-09-12 | 西南科技大学 | Preparation method of graphite oxide alkyne membrane material for adsorption separation of uranium |
| CN115367747A (en) * | 2022-07-22 | 2022-11-22 | 中国科学院化学研究所 | Application of graphite oxide alkyne in proton conductor |
| CN115367747B (en) * | 2022-07-22 | 2023-08-04 | 中国科学院化学研究所 | Application of graphite alkyne oxide in proton conductor |
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