CN107963621A - Three-dimensional porous carbon material, preparation thereof and application thereof in sodium-ion battery - Google Patents
Three-dimensional porous carbon material, preparation thereof and application thereof in sodium-ion battery Download PDFInfo
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- CN107963621A CN107963621A CN201711210219.4A CN201711210219A CN107963621A CN 107963621 A CN107963621 A CN 107963621A CN 201711210219 A CN201711210219 A CN 201711210219A CN 107963621 A CN107963621 A CN 107963621A
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
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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
Abstract
The invention belongs to the field of sodium ion battery materials, and particularly discloses a three-dimensional porous carbon material which is a three-dimensional porous material formed by carbon nanosheets and has a specific surface area of 100-2000 m2(ii)/g; the thickness of the carbon nano sheet is 10-100 nm. The invention also discloses a preparation method of the three-dimensional porous carbon material, which comprises the steps of placing dopamine and smectite in a solution, and carrying out polymerization reaction to obtain a precursor; carrying out heat treatment and washing on the precursor to obtain a layered carbon nanosheet material; and carrying out hydrothermal reaction on the layered carbon nanosheet material in a solution in which a positive surfactant is dissolved, and then carbonizing the hydrothermal reaction product to obtain the three-dimensional porous carbon material. The method has the advantages of easily available raw materials, simple preparation process and good repeatability; the prepared three-dimensional porous carbon material has the advantages of rich pores, high crosslinking degree, stable structure, large specific surface area, good conductivity and the like, and shows good battery performance when being used for a sodium ion battery.
Description
Technical field
The present invention relates to anode material of lithium-ion battery, more particularly to a kind of three-dimensional as anode material of lithium-ion battery
Porous carbon materials.
Background technology
Sodium-ion battery relies on sodium rich reserves, becomes the research hotspot of secondary cell system of new generation.With lithium-ion electric
Pond is compared, and sodium-ion battery has the problems such as cathode voltage height and big sodium ion radius, is given efficient sodium-ion battery to develop and is proposed
Many problems.Electrode material decides the important parameter such as capacity, operating voltage and the cycle life of battery.Although sodium ion
Reaction mechanism in battery is similar to lithium ion battery, however, sodium ion is bigger than lithium ion by 55% or so, sodium ion is in phase
With the insertion in structural material and diffusion often all relative difficulty, at the same after being embedded in material structure change can bigger, thus electricity
Specific capacity, dynamic performance and cycle performance of pole material etc. are all correspondingly deteriorated.Such as, graphite is excellent in lithium ion battery
Negative material, and sodium ion is difficult to be embedded into graphite linings, it can be seen that is using for reference lithium ion battery on going result at the same time
The material that sodium ion feature develops storage sodium excellent performance must be directed to.
Grapheme material gets most of the attention by electric conductivity and high carrier mobility in its excellent layer.But graphite
Alkene material for anode material of lithium-ion battery still remain some problem urgent need to resolve (Advanced Materials, 2015,
27(12)：2042-2048.), as manufacturing cost is high, lacks batch production technique, at the same time graphene is easily reunited and heap between layer by layer
It is folded, so as to reduce the performance of itself performance.Therefore simple, the of low cost carbon nanosheet material of preparation process is being commercialized
Carbon negative electrode material of sodium ion battery field has broad application prospects.But common carbon nanosheet material is still remained and tied
The problems such as structure stability is poor, therefore the carbon nanosheet material that construction structure is stablized is extremely urgent.
The content of the invention
Poor to solve the structural stability of carbon nanosheet, easily technical problem, an object of the present disclosure such as reunion and stacking exists
In, there is provided a kind of three-dimensional porous carbon material, it is intended to lift a kind of stable structure, porous carbon material.
It is a second object of the invention to provide the preparation method of the three-dimensional porous carbon material.
It is a third object of the invention to provide a kind of three-dimensional porous carbon material is as sodium-ion battery anode
The application process of material, it is intended to be obviously improved sodium-ion battery high rate performance and cycle performance.
A kind of three-dimensional porous carbon material (present invention is also referred to as carbon aerogels), for the three-dimensional porous material being made of carbon nanosheet
Material, specific surface area is 100~2000m2/g；The carbon nanosheet thickness is 10~100nm.
Three-dimensional porous carbon material of the present invention is made of the carbon nanosheet that thickness is 10~100nm；The three-dimensional
Porous carbon materials have high-crosslinking-degree and porosity, and interlamellar spacing is moderate, and specific surface area is big, good conductivity；The material is used as sodium
The negative material of ion battery, can obviously improve sodium-ion battery high rate performance and cycle performance.
Preferably, the specific surface area of the three-dimensional porous carbon material is 500~2000m2/g；More preferably
1000~2000m2/g。
The invention also discloses the preparation method of the three-dimensional porous carbon material, dopamine and Meng Tukuang are placed in solution
In, carry out polymerisation and obtain presoma；The presoma obtains layered carbon nano sheet material through Overheating Treatment, washing；By layer
Shape carbon nanosheet material carries out hydro-thermal reaction in the solution dissolved with positive surfactant, then again by hydro-thermal reaction product into
Row carbonization treatment, up to the three-dimensional porous carbon material.
Preparation method of the present invention, dopamine and Meng Tukuang are placed in solution, dopamine Meng Tukuang surfaces from
It is poly-, obtain presoma；Then layered carbon nano sheet material, gained layered carbon nano sheet material are obtained by low-temperature carbonization, removing template again
Material passes through hydro-thermal reaction and high temperature cabonization with positive surfactant, up to aerogel material.The method of the present invention, in the condition
Lower carbon nanosheet obtained in advance, then coordinates hydrothermal method and carbonization again, can be made that interlamellar spacing is moderate, specific surface area is big, reaction
Avtive spot enriches, three-dimensional porous carbon material.
Technical scheme, key be to prepare three-dimensional porous carbon material by chemical polymerization and hydro-thermal method, with
The illiteracy Tu Kuang being widely present is as template, the three-dimensional porous carbon material of gained, and porosity is high, and the duct degree of cross linking is high, and specific surface area is big,
Stable structure, the shortcomings that common carbon nanosheet can be overcome easily to cave in.In addition, the present invention is environmentally protective using raw material, it is cheap and easy to get,
Technique is simple, workable, good process repeatability, is adapted to industrialized production.The Carbon negative electrode material of sodium ion battery and electrolysis
Liquid wetability is good, and interlamellar spacing is moderate, has good sodium ion embedded and deviates from ability.
The illiteracy Tu Kuang is a kind of natural minerals of silicate.
Preferably, dopamine and Meng Tukuang are placed in solution, presoma obtained by polymerisation；Coordinate at follow-up heat
Reason, so obtained carbon nanosheet are more conducive to be made the three-dimensional porous carbon of excellent performance.
Technical solution of the present invention, can pass through the dense of the ratio and cationic surfactant of control illiteracy Tu Kuang and dopamine
Degree, can regulate and control the specific surface area of three-dimensional porous carbon material well, control the porosity of material；And then lift obtained three-dimensional
The electric property of porous carbon.
In the present invention, suitable dopamine and cover Tu Kuang mass ratio, be conducive to improve aeroge specific surface area.As
It is preferred that the dopamine and the native ore deposit mass ratio of illiteracy are 0.01-0.5.Under the preferable scope, the performance of obtained carbon nanosheet
Three-dimensional porous carbon more suitable for excellent performance is made.
Still more preferably, the dopamine and the native ore deposit mass ratio of illiteracy are 0.01-0.2.
Polymerisation carries out preferably in alkaline solution, for example, pH is carried out in 8~9.5 lye or buffer solution.
Preferably, polymeric reaction temperature is 10~90 DEG C.
Preferably, polymerization reaction time is 1-50h.
Obtained presoma is preferably heat-treated in a nitrogen atmosphere.
Preferably, heat treatment temperature is 400-600 DEG C.
Under the heat treatment temperature, preferable heat treatment time is 0.5~10h.
It is washed after heat treatment, remove the Meng Tukuang in heat-treated products and obtain the carbon nanosheet.
In the present invention, the cationic surfactant is cetyl trimethyl ammonium.
Research shows, it is anti-that obtained thin-walled carbon nanosheet is carried out in suitable cationic surfactant concentration to hydro-thermal
Should, be conducive to improve material porosity, and then, help to lift the electric property of obtained three-dimensional porous carbon；Preferably, water
In the starting soln of thermal response, the concentration of cationic surfactant is 0.01-10g/L.
Further preferably, in the starting soln of hydro-thermal reaction, the concentration of cationic surfactant is 0.5-1g/L.
Preferably, hydrothermal temperature is 100-220 DEG C.Be conducive to improve in the preferable hydrothermal temperature follow-up
The stability of three-dimensional porous carbon.
Further preferably, hydrothermal temperature is 160-200 DEG C.Under the further preferred hydrothermal temperature, obtain
The stability of three-dimensional porous carbon is more excellent.
Under the hydrothermal reaction condition, preferable the hydro-thermal reaction time is 1-50h.
Carbonisation carries out under protective atmosphere, and the protective atmosphere is nitrogen, inert gas.
Suitable carburizing temperature is conducive to further improve the electrical conductivity of material.Preferably, carburizing temperature is 500-
1200℃。
Further preferably, carburizing temperature is 1000-1100 DEG C.
Carbonization is kept the temperature under the carburizing temperature, preferable carbonization time is 0.5~10h.
A kind of preparation method of preferable three-dimensional porous carbon material of the present invention, specifically includes following steps：
Step (1)：Dopamine and Meng Tukuang are placed in buffer solution, presoma is obtained through mold cleaning plate after polymerisation；
Dopamine and the native ore deposit mass ratio of illiteracy are 0.01-0.5；Polymerization reaction time is 1-50h；Polymerization temperature is 10~90 DEG C.
Step (2)：Gained presoma passes through carbonization treatment, and 400-600 DEG C, the time is 0.5~10h；In an inert atmosphere
It is carbonized；
Step (3)：Layered carbon nano sheet material passes through hydro-thermal reaction and high temperature cabonization with surfactant-dispersed liquid.Surface
Surfactant concentration is 0.01-10g/L, and hydrothermal temperature is 100-220 DEG C, the hydro-thermal reaction time 1-50h, hydrothermal product warp
Cross after freeze-drying and obtain three-dimensional porous carbon material by high temperature cabonization, carburizing temperature is 500-1200 DEG C, the time for 0.5~
10h。
Present invention also offers the application of the three-dimensional porous carbon material, as anode material of lithium-ion battery, application
In the anode for preparing sodium-ion battery.
In the present invention, using the three-dimensional porous carbon material of institute as negative material, the sodium-ion battery prepared using existing method,
The high rate performance of obtained sodium-ion battery is excellent, good cycle.
Carbon negative pole material prepared by technical scheme is applied to sodium-ion battery, the three-dimensional porous carbon of sodium-ion battery
Crosslink material degree is high, porosity is high, specific surface area is big, can shorten sodium ion transmission range, have good sodium ion insertion and
Abjection ability, shrinks problem to volumetric expansion caused by sodium ion insertion deintercalation and provides cushioning effect, be sodium ion and electrolyte
Transmission provides good dynamics condition.
Three-dimensional porous carbon material layer spacing prepared by technical scheme is moderate, and reactivity site is enriched, conductance
Rate is high, and apart from short, specific surface area is big, realizes the preparation of three-dimensional porous carbon material, can make storage sodium performance for sodium ion insertion abjection
It is significantly improved.
In the present invention, existing method can be used, three-dimensional porous carbon material of the present invention is prepared into sodium-ion battery
Anode, and then be assembled into sodium-ion battery.For example, three-dimensional porous carbon material and conductive agent and binding agent that the present invention is obtained
Mixing, by rubbing method coated in copper foil current collector, is made sodium-ion battery anode.
Beneficial effect：
1st, the illiteracy Tu Kuang that technical scheme is widely present using nature polymerize as template by supermolecule
To presoma, on this basis through Overheating Treatment (low-temperature carbonization), wash away template and obtain ultra-thin carbon nanosheet material.By simple
Efficient hydro-thermal process obtains hole and enriches and constitutionally stable three-dimensional porous carbon material.This method is cheap and easy to get using template,
Technique is simple, favorable reproducibility, is adapted to industrialized production.
2nd, technical scheme obtains porosity height, and specific surface area is big, and the degree of cross linking is high, good conductivity, stable structure
Aerogel material.
3rd, aerogel material prepared by technical scheme overcomes the steady of existing carbon nanosheet material generally existing
The problem of qualitative difference and duct lack, three-dimensional porous carbon material possess abundant pore passage structure, and electric conductivity is high, and specific surface area is big,
Sodium ion transmission range can be shortened, increase sodium ion reactivity site, volumetric expansion caused by sodium ion insertion deintercalation is received
Contracting problem provides good alleviation；It is provided simultaneously with superpower structural stability, the three-dimensional porous carbon material storage sodium excellent performance of gained.
4th, three-dimensional porous carbon material of the invention is used for sodium-ion battery, can obtain specific capacity height, have extended cycle life, length is followed
The sodium-ion battery that ring performance is stablized.
Brief description of the drawings
【Fig. 1】For the scanning electron microscope (SEM) photograph (SEM) of three-dimensional porous carbon material made from embodiment 1.
【Fig. 2】It is three-dimensional porous carbon material made from embodiment 1 as sodium-ion battery sodium-ion battery carbon material used as anode,
Cyclic curve when current density is 50mA/g.
Embodiment
With reference to embodiment, the present invention is described in further detail, but these embodiments must not be construed to this
The limitation of invention protection domain.
Embodiment 1
Soil ore deposit 10g will be covered and be placed on ultrasonic disperse in the solution (aqueous solution of alkali) that pH is 8.5,1g dopamines are placed on above-mentioned
In solution, it is 30 DEG C to control polymerization temperature, and it is 40h to control polymerization time, and gained presoma passes through carbonization treatment, is passed through indifferent gas
Body is protected, and be carbonized 400 DEG C, time 1h of (heat treatment) treatment temperature, and products therefrom is obtained using the sodium hydroxide washing template of heat
To carbon nanosheet material.It is the molten of 1g/L that gained carbon nanosheet material is added to CTAB (cetyl trimethyl ammonium) concentration
In liquid, ultrasonic disperse, is placed in hydrothermal reaction kettle, and it is 200 DEG C to control hydrothermal temperature, the hydro-thermal reaction time 12h.Gained
Hydrothermal product is passed through inert gas shielding, carburizing temperature is 1000 DEG C, and the time obtains three-dimensional porous carbon materials for 2h through Overheating Treatment
Material.Carbon nanosheet thickness concentrates on 40nm or so, and the specific surface area of gained aerogel material is 1940m2/g。
Three-dimensional porous carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, is assembled into button cell,
Under the current density of 50mA/g, test capacity performance.Test result shows, sodium-ion battery sodium-ion battery prepared by this example
Anode has good chemical property：Under the current density of 50mA/g, after the circle of circulation 100 (cyclic curve is shown in Fig. 2), remain to protect
Hold the specific capacity (capacity retention ratio 99.5%) of 234mA/g.
Embodiment 2
Compare, differ only in embodiment 1, (heat treatment) temperature that is carbonized after hydro-thermal reaction is 500 DEG C.Gained carbon nanometer
Piece thickness concentrates on 60nm or so, and the specific surface area of gained aerogel material is 1540m2/g。
Three-dimensional porous carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, is assembled into button cell,
Under the current density of 50mA/g, test capacity performance.Test result shows, sodium-ion battery sodium-ion battery prepared by this example
Anode has good chemical property：Under the current density of 50mA/g, after the circle of circulation 100, remain to keep the specific volume of 202mA/g
Measure (capacity retention ratio 98%).
Embodiment 3
Soil ore deposit 20g will be covered and be placed on ultrasonic disperse in the solution that pH is 8.5,1g dopamines are placed in above-mentioned solution, are controlled
Polymerization temperature is 50 DEG C, and it is 20h to control polymerization time, and gained presoma passes through carbonization treatment, is passed through inert gas shielding, carbonization
500 DEG C, time 2h for the treatment of temperature, products therefrom obtain carbon nanosheet material using the sodium hydroxide washing template of heat.By institute
Obtain carbon nanosheet material to be added in the solution that CTAB concentration is 0.5g/L, ultrasonic disperse, is placed in hydrothermal reaction kettle, controls water
Thermal response temperature is 160 DEG C, the hydro-thermal reaction time 24h.Gained hydrothermal product is passed through inert gas shielding through Overheating Treatment,
Carburizing temperature is 1100 DEG C, and the time obtains three-dimensional porous carbon material for 4h.Carbon nanosheet thickness concentrates on 30nm or so, is brought about the desired sensation
The specific surface area of gel rubber material is 570m2/g。
Three-dimensional porous carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, is assembled into button cell,
Under the current density of 50mA/g, test capacity performance.Test result shows, sodium-ion battery sodium-ion battery prepared by this example
Anode has good chemical property：Under the current density of 50mA/g, after the circle of circulation 100, remain to keep the specific volume of 217mA/g
Measure (capacity retention ratio 99%).
Embodiment 4
Soil ore deposit 5g will be covered and be placed on ultrasonic disperse in the solution that pH is 8.5,1g dopamines are placed in above-mentioned solution, control is poly-
It is 80 DEG C to close temperature, and it is 10h to control polymerization time, and gained presoma passes through carbonization treatment, is passed through inert gas shielding, at carbonization
600 DEG C, time 10h of temperature is managed, products therefrom obtains carbon nanosheet material using the sodium hydroxide washing template of heat.By institute
Obtain carbon nanosheet material to be added in the solution that CTAB concentration is 0.8g/L, ultrasonic disperse, is placed in hydrothermal reaction kettle, controls water
Thermal response temperature is 200 DEG C, the hydro-thermal reaction time 30h.Gained hydrothermal product is passed through inert gas shielding through Overheating Treatment,
Carburizing temperature is 800 DEG C, and the time obtains aerogel material for 3h.Carbon nanosheet thickness concentrates on 70nm or so, and gained is three-dimensional more
The specific surface area of hole carbon material is 1580m2/g。
Three-dimensional porous carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, is assembled into button cell,
Under the current density of 50mA/g, test capacity performance.Test result shows, sodium-ion battery sodium-ion battery prepared by this example
Anode has good chemical property：Under the current density of 50mA/g, after the circle of circulation 100, remain to keep the specific volume of 225mA/g
Measure (capacity retention ratio 98%).
Embodiment 5
Compared with Example 4, it is 5g/L to differ only in CTAB concentration, and gained carbon nanosheet thickness concentrates on a 70nm left sides
The right side, the specific surface area of the three-dimensional porous carbon material of gained is 1690m2/g。
Three-dimensional porous carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, is assembled into button cell,
Under the current density of 50mA/g, test capacity performance.Test result shows, sodium-ion battery sodium-ion battery prepared by this example
Anode has good chemical property：Under the current density of 50mA/g, after the circle of circulation 100, remain to keep the specific volume of 241mA/g
Measure (capacity retention ratio 98%).
Embodiment 6
Compared with Example 4, soil ore deposit 50g will be covered by, which differing only in, is placed on ultrasonic disperse in the solution that pH is 8.5, and 1g is more
Bar amine is placed in above-mentioned solution, and gained carbon nanosheet thickness concentrates on 70nm or so, the ratio surface of the three-dimensional porous carbon material of gained
Product is 1874m2/g。
Three-dimensional porous carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, is assembled into button cell,
Under the current density of 50mA/g, test capacity performance.Test result shows, sodium-ion battery sodium-ion battery prepared by this example
Anode has good chemical property：Under the current density of 50mA/g, after the circle of circulation 100, remain to keep the specific volume of 248mA/g
Measure (capacity retention ratio 98%).
Comparative example 1
Soil ore deposit 10g will be covered and be placed on ultrasonic disperse in the solution that pH is 8.5,1g dopamines are placed in above-mentioned solution, are controlled
Polymerization temperature is 30 DEG C, and it is 40h to control polymerization time, and gained presoma passes through carbonization treatment, is passed through inert gas shielding, carbonization
400 DEG C, time 1h for the treatment of temperature, products therefrom obtain carbon nanosheet material using the sodium hydroxide washing template of heat.Carbon is received
Rice piece thickness concentrates on 40nm or so, and gained carbon nanosheet specific surface area is 910m2/g。
Carbon nanosheet material manufactured in the present embodiment is used as working electrode, sodium is to electrode, is assembled into button cell,
Under the current density of 50mA/g, test capacity performance.Test result shows that sodium-ion battery sodium-ion battery prepared by this example is born
Has good chemical property：Under the current density of 50mA/g, after the circle of circulation 100, specific capacity for 162mA/g, (protect by capacity
93%) holdup is.
Comparative example 2
Compared with Example 4, differ only in, do not add and cover Tu Kuang, gained carbon material specific surface area is 480m2/g。
Carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, button cell is assembled into, in 50mA/g
Current density under, test capacity performance.Test result shows that sodium-ion battery anode prepared by this example has good electrification
Learn performance：Under the current density of 50mA/g, after the circle of circulation 100, specific capacity is 183mA/g (capacity retention ratio 94%).
Comparative example 3
Compared with Example 1, differ only in and do not add cationic surfactant, the three-dimensional porous carbon material of gained compares table
Area is 950m2/g。
Carbon material manufactured in the present embodiment is used as working electrode, sodium is to electrode, button cell is assembled into, in 50mA/g
Current density under, test capacity performance.Test result shows that sodium-ion battery anode prepared by this example has good electrification
Learn performance：Under the current density of 50mA/g, after the circle of circulation 100, specific capacity is 201mA/g (capacity retention ratio 95%).
Claims (10)
1. a kind of three-dimensional porous carbon material, it is characterised in that for the three-dimensional porous material being made of carbon nanosheet, specific surface area is
100~2000m2/g；The carbon nanosheet thickness is 10~100nm.
2. the preparation method of the three-dimensional porous carbon material described in a kind of claim 1, it is characterised in that by dopamine and Meng Tukuang
It is placed in solution, carries out polymerisation and obtain presoma；The presoma obtains layered carbon nano piece through Overheating Treatment, washing
Material；Layered carbon nano sheet material is subjected to hydro-thermal reaction in the solution dissolved with positive surfactant, then again by hydro-thermal
Reaction product carries out carbonization treatment, up to the three-dimensional porous carbon material.
3. the preparation method of three-dimensional porous carbon material according to claim 2, it is characterised in that：The dopamine and illiteracy soil
Ore deposit mass ratio is 0.01-0.5.
4. the preparation method of three-dimensional porous carbon material according to claim 2, it is characterised in that：Polymerization reaction time is 1-
50h；Polymeric reaction temperature is 10~90 DEG C.
5. the preparation method of three-dimensional porous carbon material according to claim 2, it is characterised in that：Heat treatment temperature is 400-
600 DEG C, the time is 0.5~10h.
6. the preparation method of three-dimensional porous carbon material according to claim 2, it is characterised in that：Cationic surfactant
For cetyl trimethyl ammonium.
7. the preparation method of three-dimensional porous carbon material according to claim 2, it is characterised in that：The starting of hydro-thermal reaction is molten
In liquid, the concentration of cationic surfactant is 0.01-10g/L.
8. the preparation method of the three-dimensional porous carbon material according to claim 2,6 or 7, it is characterised in that：Hydro-thermal reaction temperature
Spend for 100-220 DEG C, the hydro-thermal reaction time 1-50h.
9. the preparation method of three-dimensional porous carbon material according to claim 2, it is characterised in that：Carburizing temperature is 500-
1200 DEG C, the time is 0.5~10h.
10. the three-dimensional porous carbon material described in a kind of claim 1, or the three of the preparation method preparation of any one of claim 2~9
Tie up the application of porous carbon materials, it is characterised in that：As anode material of lithium-ion battery, applied to preparing the negative of sodium-ion battery
Pole.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821279A (en) * | 2018-08-17 | 2018-11-16 | 中国人民解放军国防科技大学 | Preparation method of three-dimensional porous carbon |
| CN112499629A (en) * | 2020-12-25 | 2021-03-16 | 齐鲁工业大学 | Preparation and application of surfactant modified oat-based layered porous carbon material |
| CN115261890A (en) * | 2022-09-26 | 2022-11-01 | 苏州仕净科技股份有限公司 | Method for preparing porous carbon material by electrochemically reducing carbon dioxide |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140103741A (en) * | 2013-02-19 | 2014-08-27 | 전남대학교산학협력단 | Method for preparing controlled porous carbon nano sheet and porous carbon nano sheet made by the same |
| CN105776181A (en) * | 2016-04-29 | 2016-07-20 | 大连理工大学 | Preparation method of flaky nanoholes carbon and carbon nanotube composite |
| WO2016192111A1 (en) * | 2015-06-05 | 2016-12-08 | Robert Bosch Gmbh | Sulfur-carbon composite comprising micro-porous carbon nanosheets for lithium-sulfur batteries and process for preparing the same |
| CN106517179A (en) * | 2016-11-04 | 2017-03-22 | 中南大学 | Preparation method for carbon nano-sheet matrix material and application of carbon nano-sheet matrix material in sodium-ion battery |
| CN107331525A (en) * | 2017-07-10 | 2017-11-07 | 北京化工大学 | A kind of porous charcoal nanometer sheet electrode material of polyatom codope and its preparation method and application |
-
2017
- 2017-11-27 CN CN201711210219.4A patent/CN107963621B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140103741A (en) * | 2013-02-19 | 2014-08-27 | 전남대학교산학협력단 | Method for preparing controlled porous carbon nano sheet and porous carbon nano sheet made by the same |
| WO2016192111A1 (en) * | 2015-06-05 | 2016-12-08 | Robert Bosch Gmbh | Sulfur-carbon composite comprising micro-porous carbon nanosheets for lithium-sulfur batteries and process for preparing the same |
| CN105776181A (en) * | 2016-04-29 | 2016-07-20 | 大连理工大学 | Preparation method of flaky nanoholes carbon and carbon nanotube composite |
| CN106517179A (en) * | 2016-11-04 | 2017-03-22 | 中南大学 | Preparation method for carbon nano-sheet matrix material and application of carbon nano-sheet matrix material in sodium-ion battery |
| CN107331525A (en) * | 2017-07-10 | 2017-11-07 | 北京化工大学 | A kind of porous charcoal nanometer sheet electrode material of polyatom codope and its preparation method and application |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821279A (en) * | 2018-08-17 | 2018-11-16 | 中国人民解放军国防科技大学 | Preparation method of three-dimensional porous carbon |
| CN112499629A (en) * | 2020-12-25 | 2021-03-16 | 齐鲁工业大学 | Preparation and application of surfactant modified oat-based layered porous carbon material |
| CN115261890A (en) * | 2022-09-26 | 2022-11-01 | 苏州仕净科技股份有限公司 | Method for preparing porous carbon material by electrochemically reducing carbon dioxide |
| CN115261890B (en) * | 2022-09-26 | 2023-01-17 | 苏州仕净科技股份有限公司 | Method for preparing porous carbon material by electrochemically reducing carbon dioxide |
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Effective date of registration: 20220516 Address after: 415000 Nongken Avenue, West Dongting Biotechnology Park, Changde national high tech Industrial Development Zone, Changsha City, Hunan Province Patentee after: HUNAN CHENYU FUJI NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: Yuelu District City, Hunan province 410083 Changsha Lushan Road No. 932 Patentee before: CENTRAL SOUTH University |