CN108439370A - A kind of preparation method and its usage of two dimension porous boron nitrogen codope carbon nanomaterial - Google Patents
A kind of preparation method and its usage of two dimension porous boron nitrogen codope carbon nanomaterial Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/24—Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosity; characterised by the structural features of powders or particles used therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Abstract
The invention belongs to modified Nano carbon material fields, disclose a kind of Preparation method and use of two-dimentional porous boron nitrogen codope carbon nano-electrode material.The present invention is using urea as stay in place form, and 1 butyl, 3 methyl imidazolium tetrafluoroborate is pore creating material and dopant, and glucose is carbon source, and product is obtained through calcining and water-heat process.The present invention is easy to operate, and synthesis cycle is shorter, and preferably, cost is relatively low for repeatability, is convenient for industrializing implementation.Porous boron nitrogen codope carbon nanosheet prepared by the present invention has uniform and porous laminate structure, large specific surface area.Meanwhile the introducing of boron atom is conducive to the enhancing of electric conductivity, the doping of nitrogen can enhance redox active, be conducive to the raising of faraday's capacitance.As the electrode material of ultracapacitor, higher electrochemical energy storage activity is shown, including high specific capacitance and preferably cyclical stability.When charging or discharging current density is 0.1A/g, specific capacitance reaches as high as 550F/g, and more most of carbon-based materials are high.
Description
Technical field
The invention belongs to modified Nano carbon material preparation field, more particularly to a kind of two-dimentional porous boron nitrogen codope carbon nanometer
The preparation method of electrode material for super capacitor.
Technical background
Ultracapacitor, it is a kind of that there are higher power density, faster charge/discharge rates and more excellent compared with traditional capacitor
Cyclical stability novel energy storage device.Although the power density of ultracapacitor is larger, its energy density compared with
Low, this limits its development for a certain extent.In order to not reduce power density and not shorten the same of cycle life
Shi Tisheng energy densities are explored and develop high performance electrode material for super capacitor as current most important research contents.It presses
The difference of principle is stored according to charge, it is super that ultracapacitor can be divided into electric double layer type ultracapacitor, Faraday pseudo-capacitance type
Capacitor and hybrid super capacitor.In the current three kinds of electrode material for super capacitor studied extensively, metal oxide
Higher price and poorly conductive, chemical property are not sufficiently stable can not only make the reduction of electrode material capacitance after decomposition, can also be to environment
It pollutes；For conducting polymer although having certain electric conductivity, there is also easy decomposition, cause cyclical stability bad
The problem of, these all largely limit their development and application in electrode material for super capacitor.Early start
The carbon material stability of research is good and derives from a wealth of sources, good conductivity, and energy transformation ratio is high, but since carbon material porous structure can
Control property is poor and does not have redox active, therefore specific capacitance is relatively low.Based on background above, high performance carbon base electrode material is prepared
Material generates fake capacitance effect, and make it have porous structure as excellent as possible it is necessary to attempt to make it have redox active
With big specific surface area..
Studies have shown that graded porous structure is conducive to the migration and storage of zwitterion in electrolyte.Meanwhile nitrogen-atoms is mixed
Miscellaneous carbon electrode material is compared with the carbon material not being doped, can show very strong redox active.Therefore, two-dimentional
The porous carbon electrode material of N doping is considered as the potential stocks in electrode material for super capacitor, and has obtained widely grinding
Study carefully.However, in actual mechanical process, the content and structure of of nitrogen-atoms is not easily controlled very much, to limit energy storage property
It increases substantially.Meanwhile a large amount of nitrogen-doping, although the redox active of carbon electrode material can be effectively improved,
It is that its electric conductivity can be made to be affected.And the introducing of boron atom then can be while improving redox active, enhancing is led
Electrically.Therefore, the boron nitrogen dual element doping carbon material with graded porous structure is expected to obtain big specific surface area, high conductivity
It is active to show excellent electrochemical energy storage with Strong oxdiative reduction activation.Currently, not there is also the two dimension of boron nitrogen codope more
Report in terms of the carbon nanomaterial of hole.
Invention content
The purpose of the present invention is to provide a kind of two-dimentional porous boron nitrogen codope carbon as electrode material for super capacitor
The preparation method of nano material.The present invention first using urea and ionic liquid as raw material, using ionic liquid pore-creating effect and
Abundant boron nitrogen in structure has obtained the presoma of two-dimentional porous boron nitrogen-doped carbon material by easy high-temperature process；
Glucose is coated on presoma surface by hydro-thermal reaction again and high-temperature calcination is carried out to it, obtains degree of graphitization higher two
Tie up porous boron nitrogen codope carbon nanomaterial.
The present invention is as follows using technical solution：
Present invention aims at a kind of preparation method of two-dimentional porous boron nitrogen codope carbon nano-electrode material is provided, use
Following technical solution：
(1) using a certain amount of urea as raw material, 1- butyl -3- methyl imidazolium tetrafluoroborates (BMIBF4) be dopant and
Pore creating material is fully ground after mixing the two, and will grind uniform reactant after grinding uniformly is put into crucible, in Muffle
Stove Program is warming up to calcination temperature, calcines 3-4h, obtains graphitization boron nitrogen codope carbon material B-g-CN550；
(2) graphitization boron nitrogen codope carbon material B-g-CN obtained in a certain amount of step (1) is taken550It is distributed to certain dense
In the glucose solution of degree, is poured into reaction kettle after ultrasound is uniform, 4-6h is reacted in constant temperature oven；Obtain glucose Bao Shi
Inkization boron nitrogen codope carbon material B-g-CN550/glu；
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN obtained in step (2)550/ glu) it is put into
In tube furnace, in high temperature argon atmosphere, 1h is calcined in temperature programming to calcination temperature, obtains the porous boron nitrogen codope of two dimension
Carbon nanosheet material B-g-CN800。
In step (1), the usage ratio of urea and 1- butyl -3- methyl imidazolium tetrafluoroborates is：10g：0.5~
1.5mL.Calcination temperature in Muffle furnace is 550 DEG C, and heating rate is 2 DEG C/min.
In step (2), the concentration of glucose solution is 0.01625~0.065g/mL；It is graphitized boron nitrogen-doped carbon material
Usage ratio with glucose solution is 0.1g：40mL；Reaction temperature in constant temperature oven is 170 DEG C.
In step (3), the calcination temperature in tube furnace is 700-900 DEG C, and heating rate is 3 DEG C/min.
Boron nitrogen codope carbon nanosheet shows the two-dimensional structure with graded porous structure in the product, can conduct
The electrode material of ultracapacitor.
Beneficial effects of the present invention：
(1) a large amount of nitrogens of the doping in material of the present invention have redox active, can effectively improve its counterfeit electricity
Hold；And the doping of boron element can ensure that the electric conductivity of product is not in significantly to decline；
(2) addition of intermediate ion liquid of the present invention is conducive to the formation of graded porous structure, and the presence of porous structure is not only
Electric double-layer capacitor can be promoted well, also increase the contact area of electrode material and electrolyte ion as far as possible, to
Fake capacitance can be effectively improved；
(3) two-dimentional porous boron nitrogen codope carbon nanosheet material prepared by the present invention has good electrochemical energy storage
Matter is ideal electrode material for super capacitor, studies and test its electrochemical properties, and experimental data shows that its material has
Very high specific capacitance characteristic and electrochemical stability get a good chance of being used widely with life in actual production.
(4) raw material of this programme are economical and easily available, and cost is not high, and operating procedure is simple, and synthesis cycle is short, wanted to equipment
It asks not high, is suitble to large-scale production.In addition, this method is environmentally protective, generated without exhaust gas and pollutant, it is real convenient for industrialization
It applies.
Description of the drawings
Fig. 1 is that the transmission electron microscope (TEM) of two-dimentional porous boron nitrogen codope carbon nanomaterial prepared by the embodiment of the present invention 1 shines
Piece.
Fig. 2 is the X-ray diffraction (XRD) of two-dimentional porous boron nitrogen codope carbon nanomaterial prepared by the embodiment of the present invention 1
Spectrogram.
Fig. 3 is the two-dimentional porous boron nitrogen codope carbon nanomaterial of the preparation of the embodiment of the present invention 1 in 1M H2SO4In solution not
With the specific capacitance value under charging or discharging current.
Specific implementation mode：
Below in conjunction with the accompanying drawings and specific embodiment the present invention will be further described in detail, but protection scope of the present invention
It is not limited to these embodiments.
Embodiment 1：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
4h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Fig. 1 is that the TEM of 1 sample of embodiment schemes, it can be seen that product is the carbon nanomaterial of two-dimentional porous flake.
Fig. 2 is the XRD diagram of 1 sample of embodiment, occurs two features of doping carbon material at 27.3 ° and 42 ° or so in figure
Peak corresponds respectively to the diffraction maximum of graphite (002) and (001) face.Show only to contain in the material that we synthesize graphited
Boron nitrogen codope carbon material.
Fig. 3 is electrode material of the two-dimentional porous boron nitrogen codope carbon nanomaterial of the preparation of embodiment 1 as ultracapacitor
When material, the specific capacitance curve obtained under different charging or discharging current density, when charging or discharging current is 0.1A/g, the specific capacitance of sample is high
Up to 550F/g, the specific capacitance of more general carbon-based material is high；Even if charging or discharging current is increased to 20A/g, the ratio of sample
Capacitance is still above 100F/g.
Embodiment 2：
(1) 10g urea and 0.5ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
4h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 3：
(1) 10g urea and 1.5ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
4h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 4：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.01625g/mL, poured into reaction kettle after ultrasound is uniform, it is anti-in 170 DEG C of constant temperature oven
Answer 4h.
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 5：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) it is scattered in a concentration of 0.065g/
In the 40mL glucose solutions of mL, is poured into reaction kettle after ultrasound is uniform, react 4h in 170 DEG C of constant temperature oven.
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 6：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 4h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
4h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 7：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
6h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 8：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
4h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 2h is calcined at 800 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 9：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
4h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 700 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
Embodiment 10：
(1) 10g urea and 1ml 1- butyl -3- methyl imidazolium tetrafluoroborates are mixed, is ground, is fully ground
Afterwards, uniform sample will be ground to be put into crucible in Muffle furnace, be warming up to 550 DEG C with the heating rate of 2 DEG C/min, and warm herein
Degree is lower to calcine 3h；
(2) by graphitization boron nitrogen-doped carbon material (B-g-CN obtained in step (1)550) be scattered in it is a concentration of
In the 40mL glucose solutions of 0.0325g/mL, pours into reaction kettle after ultrasound is uniform, reacted in 170 DEG C of constant temperature oven
4h。
(3) by glucose packet graphitization boron nitrogen codope carbon material (B-g-CN made from step (2)550/ glu) it is put into pipe
In formula stove, in high temperature argon atmosphere, 1h is calcined at 900 DEG C with the heating rate of 3 DEG C/min, it is double to obtain the porous boron nitrogen of two dimension
Adulterate carbon nanomaterial.
The embodiment is the preferred embodiments of the present invention, but present invention is not limited to the embodiments described above, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification all belongs to the scope of protection of the present invention.
Claims (8)
1. a kind of preparation method of two dimension porous boron nitrogen codope carbon nanomaterial, it is characterised in that：Include the following steps：
(1) using a certain amount of urea as raw material, 1- butyl -3- methyl imidazolium tetrafluoroborates BMIBF4For dopant and pore creating material,
It is fully ground after the two is mixed, puts it into crucible with cover after grinding uniformly, be warming up in Muffle furnace Program
Calcination temperature calcines 3-4h, obtains graphitization boron nitrogen codope carbon material B-g-CN550；
(2) graphitization boron nitrogen-doped carbon material B-g-CN obtained in a certain amount of step (1) is taken550It is scattered in certain density Portugal
In grape sugar aqueous solution, is poured into reaction kettle after ultrasound is uniform, 4-6h is reacted in constant temperature oven；Obtain glucose packet graphitization boron
Nitrogen codope carbon material B-g-CN550/glu；
(3) by glucose packet graphitization boron nitrogen codope carbon material B-g-CN obtained in step (2)550/ glu is put into tube furnace
In, in high temperature argon atmosphere, 1-2h is calcined in temperature programming to calcination temperature, is obtained the porous boron nitrogen codope carbon of two dimension and is received
Rice sheet material B-g-CN800。
2. the preparation method of two dimension porous boron nitrogen codope carbon nanomaterial as described in claim 1, it is characterised in that：Step
(1) in, the usage ratio of urea and 1- butyl -3- methyl imidazolium tetrafluoroborates is：10g：0.5~1.5mL.
3. the preparation method of two dimension porous boron nitrogen codope carbon nanomaterial as described in claim 1, it is characterised in that：Step
(1) in, the calcination temperature in Muffle furnace is 550 DEG C, and heating rate is 2 DEG C/min.
4. the preparation method of two dimension porous boron nitrogen codope carbon nanomaterial as described in claim 1, it is characterised in that：Step
(2) in, the concentration of glucose solution is 0.01625~0.065g/mL；It is graphitized boron nitrogen-doped carbon material and glucose is water-soluble
The usage ratio of liquid is 0.1g：40mL.
5. the preparation method of two dimension porous boron nitrogen codope carbon nanomaterial as described in claim 1, it is characterised in that：Step
(2) in, reaction temperature is 170 DEG C in constant temperature oven.
6. the preparation method of two dimension porous boron nitrogen codope carbon nanomaterial as described in claim 1, it is characterised in that：Step
(3) in, the calcination temperature in the tube furnace is 700-900 DEG C, and heating rate is 3 DEG C/min.
7. a kind of two dimension porous boron nitrogen codope carbon nanomaterial, it is characterised in that：It is by preparation described in claim 1~6
Made from method, for two-dimentional porous flake.
8. the purposes of two dimension porous boron nitrogen codope carbon nanomaterial as claimed in claim 7, which is characterized in that as
The electrode material of ultracapacitor.
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| CN110648854A (en) * | 2019-09-23 | 2020-01-03 | 东华大学 | Boron-nitrogen co-doped carbon/manganese oxide composite nanosheet material, and preparation method and application thereof |
| CN111740076A (en) * | 2020-06-22 | 2020-10-02 | 珠海冠宇电池股份有限公司 | Preparation method of nitrogen-doped, boron-doped or phosphorus-doped graphitized carbon nitride material |
| CN112201785A (en) * | 2019-07-08 | 2021-01-08 | 中国科学院上海硅酸盐研究所 | Lithium-philic and sulfur-philic co-doped two-dimensional layered graphitized porous carbon material and preparation method and application thereof |
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