CN108314037A - A kind of porous carbon materials and the preparation method and application thereof with cell cytoskeleton structure - Google Patents
A kind of porous carbon materials and the preparation method and application thereof with cell cytoskeleton structure Download PDFInfo
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Abstract
The invention belongs to the preparing technical fields of porous carbon materials, and in particular to a kind of porous carbon materials and the preparation method and application thereof with cell cytoskeleton structure.This method prepares porous carbon materials, flow is simple, is conducive to waste utilization using underground plant bulbs exocuticle as carbon source by low temperature and high temperature double carburization technique.Thus obtained porous carbon materials have cell cytoskeleton structure, and specific surface area is up to 1971~3210m2/ g, pore diameter range is 0.35~4nm, and degree of graphitization is high, has higher chemical stability and electric conductivity.The porous carbon materials are used as to the electrode material of ultracapacitor, it can get the superelevation specific capacitance of 528F/g under the current density of 0.5A/g, capacity retention is 73% when current density increases to 50A/g from 1A/g, with good high rate performance, 40000 capacitances of cycle operation have super good cyclical stability almost without decaying.The porous carbon materials are used as hydrogen storage material, at 196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount can reach 2.03~3.1wt%.
Description
Technical field
The invention belongs to the preparing technical fields of porous carbon materials, and in particular to a kind of porous with cell cytoskeleton structure
Carbon material and the preparation method and application thereof.
Background technology
Porous carbon materials are used as due to many advantages, such as with large specific surface area, chemical stability is high, good conductivity
Hydrogen storage material and electrode material etc..
People are made to be faced with traditional fossil energy withered since social development exacerbates the consumption of the energy hydrogen storage material
The crisis exhausted, therefore no pollution, renewable and Hydrogen Energy big combustion heat value have been increasingly becoming fuel cell, aerospace and daily
The key of the numerous areas such as function.However, hydrogen is storing and still suffering from many problems in transportational process, for example hydrogen storage is set
Standby pressure is high and quality is big, and storage capacity is small, and waits insecurity there are inflammable and explosive, and it is solution to develop advanced hydrogen storage material
The certainly key of this series of problems.Porous carbon is considered as having huge due to its higher specific surface area and good stability
The hydrogen storage material of potentiality.
For electrode material, since electrode material is lithium ion battery, lithium-sulfur cell, sodium-ion battery and super capacitor
The core component of device device, therefore advanced electrode material is synthesized as the most important thing of energy storage device application problem is captured.It is more
Hole carbon material due to resourceful, many advantages, such as chemical stability is high, large specific surface area, good conductivity and be considered as best
One of electrode material.
Currently, the synthesis of porous carbon materials has all multi-methods.Wherein, using biomass carbon material abundant in nature as carbon source
It is at low cost to prepare porous carbon materials, it is easily-synthesized, and can solve the problems, such as waste utilization, it has also become research hotspot.In existing work
In work, with bagasse, cocoanut shell, tealeaves, sludge, the seedpod of the lotus, husk, pollen, pine nut ball, a series of biomass such as Cortex Cunninghamiae Lanceolatae are original
The porous carbon materials of material synthesis show preferable performance.However these porous carbon materials are applied to hydrogen storage material or electrode material
When material, there are still problems with：(1) specific surface area of porous carbon materials is low, and pore-size distribution is unordered；(2) degree of graphitization is low, no
It can guarantee higher chemical stability and electric conductivity.
Invention content
The shortcomings that overcome the prior art and deficiency, primary and foremost purpose of the invention are to provide a kind of with cell cytoskeleton structure
Porous carbon materials preparation method.This method is provided using the exclusive cell wall frame microstructure of plant roots and stems exocuticle
Primary template, further chemical activation method regenerate a large amount of micropore and mesoporous, cell cytoskeleton knot of the synthesis with 3D structures
Structure porous carbon materials.The exclusive cell wall frame structure of plant roots and stems exocuticle has broken away from traditional structure carbon materials as template
Dependence of the material synthesis to template, it is both economically and environmentally beneficial.
There is the porous of cell cytoskeleton structure by what the above method was prepared it is a further object of the present invention to provide a kind of
Carbon material.
Another object of the present invention is to provide a kind of application of the above-mentioned porous carbon materials with cell cytoskeleton structure.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of preparation method of the porous carbon materials with cell cytoskeleton structure, includes the following steps：
(1) low-temperature carbonization
By fresh underground plant bulbs exocuticle cleaning, drying, low-temperature carbonization is carried out under inert gas protection, is obtained
Product A；
(2) it activates
Product A is mixed with alkali, grinding is uniform, obtains product B；
(3) high temperature cabonization
Product B is subjected to high temperature cabonization under inert gas protection, product is impregnated with diluted acid then, is washed with water into
Property, it is dry, obtain the porous carbon materials with cell cytoskeleton structure.
Preferably, underground plant bulbs described in step (1) are in taro, Chinese yam, yam bean, yacon, sweet potato and potato
One or more.
Preferably, the drying temperature described in step (1) is 60~105 DEG C, drying time 8~for 24 hours.
Preferably, the temperature of low-temperature carbonization described in step (1) is 300~400 DEG C, and heating rate is 5~10 DEG C/min,
The carburizing reagent time is 1~5h.
Preferably, the alkali described in step (2) is one or more of KOH and NaOH.
Preferably, the mass ratio of product A and alkali described in step (2) is 2:1~1:5.
Preferably, the temperature of high temperature cabonization described in step (3) be 600~1200 DEG C, heating rate be 2~10 DEG C/
Min, carburizing reagent time are 1~4h.
Preferably, diluted acid described in step (3) is one kind in hydrochloric acid, nitric acid, sulfuric acid, acetic acid or phosphoric acid, dilute acid concentration
For 0.5~3mol/L.
Preferably, inert gas described in step (1) and (3) is one kind in nitrogen, helium, argon gas or neon, inertia
The flow of gas is 5~50ml/min.
The present invention further provides a kind of porous carbon materials with cell cytoskeleton structure, and the porous carbon materials are by above-mentioned
Method is prepared, and specific surface area is 1971~3210m2/ g, pore volume are 1.1~2.5cm3/ g, pore diameter range be 0.35~
4nm, degree of graphitization are higher.
The present invention further provides a kind of applications of the above-mentioned porous carbon materials with cell cytoskeleton structure, will be described porous
Carbon material is used as electrode material or hydrogen storage material.
Compared with prior art, the present invention having the following advantages that and advantageous effect：
(1) present invention prepares porous carbon materials using underground plant bulbs exocuticle as carbon source, makes porous carbon materials
Has cell cytoskeleton structure, specific surface area is up to 1971~3210m2/ g, pore diameter range are 0.35~4nm.
(2) present invention uses simple low temperature and high temperature double carburization technique, and flow is simple, the porous carbon work stone of preparation
Blackization degree is high, has higher chemical stability and electric conductivity, is suitble to large-scale industrial production.
(3) present invention not only increases the specific surface area of porous carbon materials using alkali as activator, and provides big
Effective absorption point of amount, is suitable for its application as hydrogen storage material and electrode material.
(4) present invention draws materials using underground plant bulbs exocuticle as raw material as agriculture waste biomass, is conducive to waste profit
With, while the cell cytoskeleton of epidermis itself provides self-template for the formation of porous carbon materials, does not have to that template, Efficient Ring is added
It protects.
(5) porous carbon materials for obtaining the present invention are used as the electrode material of ultracapacitor, close in the electric current of 0.5A/g
The superelevation specific capacitance of the lower available 312.5~528F/g of degree, capacity retention is when current density increases to 50A/g from 1A/g
73%, there is good high rate performance, cycle operation 40000 times, capacitance to have super good cyclical stability almost without decaying.
The porous carbon materials that the present invention is obtained are used as hydrogen storage material, and at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.03~3.1wt%.
Description of the drawings
Fig. 1 is scanning electron microscope (SEM) figure of the cell cytoskeleton porous carbon prepared in embodiment 1.
Fig. 2 is high resolution electron microscope (HR-TEM) figure of the cell cytoskeleton porous carbon prepared in embodiment 1.
Fig. 3 is specific surface area (BET) adsorption desorption curve of the cell cytoskeleton porous carbon prepared in embodiment 1.
Fig. 4 is X-ray diffraction (XRD) collection of illustrative plates of the cell cytoskeleton porous carbon prepared in embodiment 1.
Fig. 5 is that the Raman of the cell cytoskeleton porous carbon prepared in embodiment 1 tests (Raman) curve.
Fig. 6 is the cyclic voltammetry test curve of the cell cytoskeleton porous carbon prepared in embodiment 1.
Fig. 7 is the constant current charge-discharge empirical curve of the cell cytoskeleton porous carbon prepared in embodiment 1.
Fig. 8 is cyclical stability test and the coulombic efficiency curve of the cell cytoskeleton porous carbon prepared in embodiment 1.
Fig. 9 is the hydrogen adsorption desorption empirical curve of the cell cytoskeleton porous carbon prepared in embodiment 1.
Figure 10 is X-ray diffraction (XRD) collection of illustrative plates of the cell cytoskeleton porous carbon prepared in embodiment 2.
Figure 11 is that the Raman of the cell cytoskeleton porous carbon prepared in embodiment 2 tests (Raman) curve.
Specific implementation mode
With reference to embodiment and attached drawing, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.For not specifically specified technological parameter, routine techniques progress can refer to.
Embodiment 1
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) take fresh taro exocuticle, clean, in an oven at a temperature of 105 DEG C it is dry for 24 hours, will dry taro appearance
Skin is placed in tube furnace, under nitrogen protection, is heated to 400 DEG C with 2 DEG C/min and is kept the temperature 2h, rear cooled to room temperature obtains
To taro skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 1:3 mix and grind uniformly, are placed in tube furnace, in nitrogen
Under protection, two hours is kept the temperature after being heated to 700 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
As seen from Figure 1, in the porous carbon materials of acquisition, intact cell cytoskeleton structure is retained, and is formed
Cross interconnected channel design.
By Fig. 2 it can be seen that the structure of the abundant micropore and shortrange order in porous carbon materials surface.
As shown in figure 3, nitrogen adsorption desorption test result shows that the specific surface of porous carbon materials is up to 3210m2/ g, pore volume
For 1.1~2.5cm3/ g, pore diameter range are 0.35~4nm.
As shown in figure 4, the correspondence graphite (002) that occurs in the XRD spectral lines of porous carbon materials and (101) diffraction maximum go out
It is existing, it was demonstrated that porous carbon materials have certain graphitization.
As shown in figure 5, G peak intensities are apparently higher than the peaks D (I in the Raman spectrum of porous carbon materialsD/IG=0.85), explanation
Product higher degree of graphitization.
As shown in Fig. 6, Fig. 7 and Fig. 8, which is used for two electrode tests, in the electrolyte system of 6M KOH
In, the superelevation specific capacitance of 528F/g is can get when current density is 0.5A/g.When current density increases to 50A/g from 1A/g
Capacity retention is 73%.It is 5A g by 40,000 primary current density-1Cycle charge-discharge, capacity retention 101%.
As shown in figure 9, gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen
Adsorbance can reach 3.1wt%.
Embodiment 2
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) take fresh taro exocuticle, clean, in an oven at a temperature of 105 DEG C it is dry for 24 hours, will dry taro appearance
Skin is placed in tube furnace, under nitrogen protection, is heated to 400 DEG C with 2 DEG C/min and is kept the temperature 2h, rear cooled to room temperature obtains
To taro skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 1:3 mix and grind uniformly, are placed in tube furnace, in nitrogen
Under protection, two hours is kept the temperature after being heated to 600 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
The porous carbon materials specific surface area that the present embodiment 2 obtains has 1996m2/g。
As shown in Figure 10, the correspondence graphite (002) that occurs in the XRD spectral lines of porous carbon materials and (101) diffraction maximum go out
It is existing, it was demonstrated that porous carbon materials have certain graphitization.
As shown in Figure 11, G peak intensities are apparently higher than the peaks D (I in Raman spectrumD/IG=0.79), illustrate degree of graphitization
It is higher.
Gained porous carbon materials are used for the electrode material of ultracapacitor, can get under the current density of 0.5A/g
441.8F/g superelevation specific capacitance.
Gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.59wt%.
Embodiment 3
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) take fresh taro exocuticle, clean, in an oven at a temperature of 105 DEG C it is dry for 24 hours, will dry taro appearance
Skin is placed in tube furnace, under nitrogen protection, is heated to 400 DEG C with 2 DEG C/min and is kept the temperature 2h, rear cooled to room temperature obtains
To taro skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 1:3 mix and grind uniformly, are placed in tube furnace, in nitrogen
Under protection, two hours is kept the temperature after being heated to 800 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
The porous carbon materials specific surface area that the present embodiment 3 obtains has 3105m2/g。
Gained porous carbon materials are used for the electrode material of ultracapacitor, can get under the current density of 0.5A/g
379.4F/g superelevation specific capacitance.
Gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.83wt%.
Embodiment 4
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) take fresh Chinese yam exocuticle, clean, in an oven at a temperature of 105 DEG C it is dry for 24 hours, will dry Chinese yam appearance
Skin is placed in tube furnace, under nitrogen protection, is heated to 400 DEG C with 2 DEG C/min and is kept the temperature 2h, rear cooled to room temperature obtains
To yam skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 1:3 mix and grind uniformly, are placed in tube furnace, in nitrogen
Under protection, two hours is kept the temperature after being heated to 800 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
The porous carbon materials specific surface area that the present embodiment 4 obtains has 2756m2/g。
Gained porous carbon materials are used for the electrode material of ultracapacitor, can get under the current density of 0.5A/g
383.3F/g superelevation specific capacitance.
Gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.60wt%.
Embodiment 5
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) take fresh Chinese yam exocuticle, clean, in an oven at a temperature of 105 DEG C it is dry for 24 hours, will dry Chinese yam appearance
Skin is placed in tube furnace, under nitrogen protection, is heated to 400 DEG C with 2 DEG C/min and is kept the temperature 2h, rear cooled to room temperature obtains
To yam skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 1:1 mixes and grinds uniformly, is placed in tube furnace, in nitrogen
Under protection, two hours is kept the temperature after being heated to 800 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
The porous carbon materials specific surface area that the present embodiment 5 obtains has 1971m2/g。
Gained porous carbon materials are used for the electrode material of ultracapacitor, can get under the current density of 0.5A/g
397.4F/g superelevation specific capacitance.
Gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.43wt%.
Embodiment 6
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) take fresh Chinese yam exocuticle, clean, in an oven at a temperature of 105 DEG C it is dry for 24 hours, will dry Chinese yam appearance
Skin is placed in tube furnace, under nitrogen protection, is heated to 400 DEG C with 2 DEG C/min and is kept the temperature 2h, rear cooled to room temperature obtains
To yam skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 1:2 mix and grind uniformly, are placed in tube furnace, in nitrogen
Under protection, two hours is kept the temperature after being heated to 800 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
The porous carbon materials specific surface area that the present embodiment 6 obtains has 2802m2/g。
Gained porous carbon materials are used for the electrode material of ultracapacitor, can get under the current density of 0.5A/g
424.4F/g superelevation specific capacitance.
Gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.78wt%.
Embodiment 7
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) take fresh Chinese yam exocuticle, clean, in an oven at a temperature of 80 DEG C it is dry for 24 hours, will dry Chinese yam exocuticle
It is placed in tube furnace, under nitrogen protection, is heated to 300 DEG C with 5 DEG C/min and keeps the temperature 5h, rear cooled to room temperature obtains
Yam skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 2:1 mixes and grinds uniformly, is placed in tube furnace, in nitrogen
Under protection, one hour is kept the temperature after being heated to 1200 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
The porous carbon materials specific surface area that the present embodiment 7 obtains has 2031m2/g。
Gained porous carbon materials are used for the electrode material of ultracapacitor, can get under the current density of 0.5A/g
312.5F/g superelevation specific capacitance.
Gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.03wt%.
Embodiment 8
The present embodiment provides a kind of preparations of the porous carbon materials with cell cytoskeleton structure：
(1) fresh Chinese yam exocuticle is taken, is cleaned, in an oven dry 12h at a temperature of 105 DEG C, it will dry Chinese yam appearance
Skin is placed in tube furnace, under nitrogen protection, is heated to 600 DEG C with 10 DEG C/min and is kept the temperature 1h, rear cooled to room temperature obtains
To yam skin carbonized samples；
(2) by carbonized samples and potassium hydroxide in mass ratio 1:5 mix and grind uniformly, are placed in tube furnace, in nitrogen
Under protection, four hours is kept the temperature after being heated to 900 DEG C with 5 DEG C/min, then Temperature fall, obtain black reaction product；
(3) reaction product is ground, is filtered after fully being impregnated with 2mol/L hydrochloric acid, be used in combination pure water to neutrality, it is dry
Obtain the porous carbon materials with cell cytoskeleton structure afterwards.
The porous carbon materials specific surface area that the present embodiment 8 obtains has 2786m2/g。
Gained porous carbon materials are used for the electrode material of ultracapacitor, can get under the current density of 0.5A/g
387.6F/g superelevation specific capacitance.
Gained porous carbon materials are used for hydrogen storage material, at -196 DEG C of temperature, 1 atmospheric pressure, hydrogen adsorption amount is reachable
To 2.45wt%.
Above-described embodiment is preferrred embodiment of the present invention, but embodiments of the present invention are not limited to above-mentioned implementation
Example, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is answered, is included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of the porous carbon materials with cell cytoskeleton structure, which is characterized in that include the following steps：
(1) low-temperature carbonization
By fresh underground plant bulbs exocuticle cleaning, drying, low-temperature carbonization is carried out under inert gas protection, obtains product
A；
(2) it activates
Product A is mixed with alkali, grinding is uniform, obtains product B；
(3) high temperature cabonization
Product B is subjected to high temperature cabonization under inert gas protection, then impregnates product with diluted acid, is washed with water to neutrality,
It is dry, obtain the porous carbon materials with cell cytoskeleton structure.
2. the preparation method of the porous carbon materials with cell cytoskeleton structure according to claim 1, it is characterised in that：Step
(1) underground plant bulbs described in is one or more of taro, Chinese yam, yam bean, yacon, sweet potato and potato.
3. the preparation method of the porous carbon materials with cell cytoskeleton structure according to claim 1, it is characterised in that：Step
(1) temperature of low-temperature carbonization described in be 300~400 DEG C, heating rate be 5~10 DEG C/min, the carburizing reagent time be 1~
5h。
4. the preparation method of the porous carbon materials with cell cytoskeleton structure according to claim 1, it is characterised in that：Step
(3) temperature of high temperature cabonization described in be 600~1200 DEG C, heating rate be 5~10 DEG C/min, the carburizing reagent time be 1~
4h。
5. the preparation method of the porous carbon materials with cell cytoskeleton structure according to claim 1, it is characterised in that：Step
(2) alkali described in is one or more of KOH and NaOH.
6. the preparation method of the porous carbon materials with cell cytoskeleton structure according to claim 1, it is characterised in that：Step
(2) mass ratio of product A described in and alkali is 2:1~1:5.
7. according to the preparation method of the porous carbon materials with cell cytoskeleton structure described in any one of claim 1~6, feature
It is：Drying temperature described in step (1) is 60~105 DEG C, drying time 8~for 24 hours.
8. according to the preparation method of the porous carbon materials with cell cytoskeleton structure described in any one of claim 1~6, feature
It is：Diluted acid described in step (3) be hydrochloric acid, nitric acid, sulfuric acid, acetic acid or phosphoric acid in one kind, dilute acid concentration be 0.5~
3mol/L。
9. a kind of porous carbon materials with cell cytoskeleton structure, it is characterised in that：The porous carbon materials by claim 1~
Any one of 8 the methods are prepared, and specific surface area is 1971~3210m2/ g, pore volume are 1.1~2.5cm3/ g, aperture
Ranging from 0.35~4nm.
10. the application of the porous carbon materials with cell cytoskeleton structure described in a kind of claim 9, it is characterised in that：It will be described
Porous carbon materials are used as electrode material or hydrogen storage material.
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| CN109004199A (en) * | 2018-08-01 | 2018-12-14 | 北京理工大学 | A kind of preparation method of sodium-ion battery cathode biomass hard carbon material |
| CN109004199B (en) * | 2018-08-01 | 2021-05-14 | 北京理工大学 | Preparation method of biomass hard carbon material for negative electrode of sodium-ion battery |
| CN109319762A (en) * | 2018-11-15 | 2019-02-12 | 西北师范大学 | The preparation of biomass porous carbon material with superhigh specific surface area and application as electrode material |
| CN109319762B (en) * | 2018-11-15 | 2022-02-22 | 西北师范大学 | Preparation of biomass porous carbon material with ultrahigh specific surface area and application of biomass porous carbon material as electrode material |
| CN110182806A (en) * | 2019-06-17 | 2019-08-30 | 哈尔滨理工大学 | A kind of preparation based on multiporous biological matter carbon electrode material derived from Viburnum opulus Linn. var. calvescens (Rehd.) Hara f. calvescens |
| CN110182806B (en) * | 2019-06-17 | 2022-03-15 | 哈尔滨理工大学 | Preparation of porous biomass charcoal electrode material derived from chicken twigs |
| CN110683845A (en) * | 2019-11-18 | 2020-01-14 | 青岛瀚博电子科技有限公司 | Preparation method of carbon graphite product with superfine structure |
| CN114709430A (en) * | 2022-03-07 | 2022-07-05 | 哈尔滨理工大学 | Application of sweet potato three-dimensional electrode in microbial fuel cell |
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