CN108589264A - Bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material and its preparation - Google Patents
Bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material and its preparation Download PDFInfo
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- CN108589264A CN108589264A CN201810414165.1A CN201810414165A CN108589264A CN 108589264 A CN108589264 A CN 108589264A CN 201810414165 A CN201810414165 A CN 201810414165A CN 108589264 A CN108589264 A CN 108589264A
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/51—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof
- D06M11/53—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with sulfur, selenium, tellurium, polonium or compounds thereof with hydrogen sulfide or its salts; with polysulfides
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- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
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- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/40—Fibres of carbon
Abstract
The present invention provides a kind of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material and its preparations.The preparation method of the bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material, which is characterized in that including：Using bismuth salt and sulfosalt as presoma, the growth in situ bismuth sulfide nano particle on nitrogen-doped carbon nano-fiber obtains bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material.Nitrogen-doped carbon nano-fiber obtained by the present invention, improves the specific capacity of carbon fiber, and greatly improves the conductivity of carbon fiber；It can be used as ideal high-performance energy storage material rich in defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material prepared by the present invention, can be used for ultracapacitor field.
Description
Technical field
The invention belongs to carbon fibre material technical fields, and in particular to be rich in defect bismuth sulfide nano particle/nitrogen-doped carbon
Hybridization material of Nano fiber and preparation method thereof.
Background technology
Ultracapacitor (Supercapacitor), be otherwise known as electrochemical capacitor (Electrochemical
Capacitor it) is mainly made of electrode material, electrolyte, diaphragm and collector, operation principle and performance are between conventional physical
It is a kind of new type of energy storage device between capacitor and electrochmical power source.Ultracapacitor has bigger capacity, compares conventional capacitance
Even thousands of times of big hundred times.In addition, the power density of ultracapacitor is very high, have compared with general chemistry battery very big
Advantage.At the same time, for traditional capacitor, high specific capacitance and than energy but also ultracapacitor have it is wide
Wealthy application prospect.Sulphur bismuth compounds of group (Bi2X3, wherein X=O, S, Se) and it is often used as electrode for capacitors, because it has
Environment friendly, the plurality of advantages of low cost and nature rich content.For example, bismuth sulfide (Bi2S3) narrowband with 1.3eV
Gap and high-k become the potential candidate of electrode of super capacitor.However, the energy-storage property of bismuth sulfide base electrode
By its conductivity is low and the limited limitation of electrochemical reaction bit number of points, this is because its electron transfer capacity difference and electrolyte
Adsorption site limited amount.Currently, being to realize to make it have more electrolyte by the way that vacancy/defect is introduced bismuth sulfide surface
The active site of absorption, the effective way of faster charge transport capability.
Carbon material is received as one of the active material for being applied to electrode of super capacitor earliest, including carbon nano-fiber, carbon
The various porous carbon materials such as mitron, activated carbon be used as electrode material for super capacitor research all have been reported that, carbon material have compared with
High specific capacitance, has extended cycle life, resourceful and various structures, at low cost, always is that ultracapacitor field is particularly living
The research direction of jump.Electrostatic spinning is another ripe and low cost technology, and nanofiber can be controlled and easily
It customizes (such as nanofiber diameter, configuration of surface).By using easily controllable carbonization technique, it is good that maintenance can be obtained
Three-dimensional carbon nanofiber networks, which are used as, is used for Bi2S3The evenly dispersed template of nano particle.It can assign Bi2S3Nanometer
The significant electrical interconnection and mechanical integrity of grain is used as novel hybride film, leads to the electric conductivity of enhancing and be used for can in ultracapacitor
Multiple active sites of the high-performance self-supporting electrode used.In addition, the miscellaneous original of doped chemical (such as nitrogen, sulphur, phosphorus and oxygen atom)
Son can adjust the atomic scale defect of sp3 carbon, to obtain better carbon nano-fiber and Bi2S3Interface between nano particle
Connection, to obtain higher interfacial charge transfer rate.
Invention content
The purpose of the present invention is to provide a kind of preparation process, and defect bismuth sulfide simple and environmentally-friendly, that manufacturing cost is cheap is received
Rice grain/nitrogen-doped carbon nano-fiber hybrid material and preparation method thereof.
In order to achieve the above object, the object of the present invention is to provide a kind of bismuth sulfide nano particle/nitrogen-doped carbon Nanowires
Tie up the preparation method of hybrid material, which is characterized in that including：Using bismuth salt and sulfosalt as presoma, in nitrogen-doped carbon nano-fiber
Upper growth in situ bismuth sulfide nano particle obtains bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material.
Preferably, the preparation method of the nitrogen-doped carbon nano-fiber includes：Forerunner is prepared by electrostatic spinning technique
Body N doping polyacrylonitrile nanofiber；N doping polyacrylonitrile nanofiber is pre-oxidized；By the N doping of pre-oxidation poly- third
Alkene nitrile nanofibre is carbonized, and obtains nitrogen-doped carbon nano-fiber.
Preferably, described using bismuth salt and sulfosalt as presoma, the growth in situ bismuth sulfide on nitrogen-doped carbon nano-fiber
The method of nano particle includes：Nitrogen-doped carbon nano-fiber, bismuth salt and sulfosalt are scattered in solvent, obtained containing nitrogen-doped carbon
The dispersion liquid of nanofiber, bismuth salt and sulfosalt carries out hydro-thermal or solvent thermal reaction, obtains bismuth sulfide nano particle/nitrogen-doped carbon
Hybridization material of Nano fiber obtains bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material.
It is highly preferred that described using bismuth salt and sulfosalt as presoma, growth in situ vulcanizes on nitrogen-doped carbon nano-fiber
The method of bismuth nano particle further includes：Annealing, obtains defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material.
Preferably, the step of carbonization includes：The N doping polyacrylonitrile nanofiber of pre-oxidation is put into tubular type
In stove, 0.5-2h is kept in 800-1400 DEG C under nitrogen atmosphere, obtains nitrogen-doped carbon nano-fiber.
Preferably, the hydro-thermal or solvent thermal reaction carry out at 180-220 DEG C, reaction time 12-24h.
Preferably, the bismuth salt is bismuth nitrate or bismuth oxide；The sulfosalt is thiocarbamide or vulcanized sodium.
It is highly preferred that the mass ratio of the nitrogen-doped carbon nano-fiber and bismuth salt is 2: 1~1: 12, it is preferably in a proportion of
(1-2): 9, the molar ratio of the bismuth salt and sulfosalt is 1: (1.3-1.7), preferred molar ratio 1: 1.5.
Preferably, the solvent is deionized water, ethyl alcohol, dimethylacetylamide, N-N, dimethylformamide and N- first
At least one of base pyrrolidones, preferably deionized water.
Preferably, the annealing temperature is 300-450 DEG C, preferably 340-380 DEG C, is carried out under nitrogen atmosphere,
Annealing time 5-10h.
Preferably, described nitrogen-doped carbon nano-fiber, bismuth salt and sulfosalt are scattered in the specific steps in solvent to include：
Nitrogen-doped carbon nano-fiber, bismuth salt and sulfosalt are put into solvent, ultrasonic disperse 0.5-2h.
Preferably, the nitrogen-doped carbon fiber has three-dimensional net structure.
The present invention also provides a kind of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid materials, which is characterized in that
Prepared by preparation method using above-mentioned bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material.
Preferably, the specific capacity of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material is 456A g-1。
The present invention also provides above-mentioned bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid materials as high-performance
The application of super capacitor material.
Compared with prior art, the present invention its remarkable advantage：
(1) nitrogen-doped carbon nano-fiber is stacked with the three-dimensional network to be formed and is provided for fast ionic diffusion and electron-transport
Effective way, provides more active sites, and can greatly promote the conductance of carbon fiber for the growth of inorganic particulate；
(2) it is evenly dispersed on nitrogen-doped carbon nano-fiber surface to be rich in defect bismuth sulfide nano particle, plays collaboration
Effect, causes specific surface area to increase, this can be such that the contact area of active material and electrolyte maximizes；
(3) preparation method is simple, and synthesis is simple, and synthesis material is cheap, is conveniently easy to get, i.e., it is at low cost, reaction is mild,
Small toxicity.
(4) nitrogen-doped carbon nano-fiber obtained by the present invention, improves the specific capacity of carbon fiber, and greatly improve
The conductivity of carbon fiber；It is rich in defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material prepared by the present invention
It can be used as ideal high-performance energy storage material, can be used for ultracapacitor field.
Description of the drawings
Fig. 1 is that defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material preparation process is rich in the present invention
Schematic diagram.
Fig. 2 is the SEM figures of nitrogen-doped carbon nano-fiber prepared in the present invention.
Fig. 3 is prepared in the present invention to be rich in defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material
SEM photograph.
Fig. 4 is X-ray diffraction (XRD) curve, and wherein A, B and C are respectively nitrogen-doped carbon nano-fiber, vulcanize rich in defect
Bismuth nano particle/nitrogen-doped carbon nano-fiber hybrid material and pure bismuth sulfide.
Fig. 5 is prepared in the present invention to be rich in defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material
Energy-storage property figure, wherein a, b, c, d correspond respectively to the charge and discharge under the different volt-ampere curves swept under speed, different current densities
Curve, multiplying power stability diagram, AC impedance figure.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.In addition, it should also be understood that, after reading the content taught by the present invention, people in the art
Member can make various changes or modifications the present invention, and such equivalent forms equally fall within the application the appended claims and limited
Range.
Embodiment 1
A kind of preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material, the specific steps are：
(1) presoma N doping polyacrylonitrile nanofiber is prepared by electrostatic spinning technique, 1g polyacrylonitrile is sliced
(molecular weight 130000) and 0.5g urea are added in 9g n,N-Dimethylformamide solvents, lasting to stir, and are prepared
One viscous solution.Obtained polyacrylonitrile solution is subjected to electrostatic spinning by reception device of aluminium foil, adjusts technological parameter
For：Spinning cathode voltage is set as 20kV, and cathode voltage is set as -1kV, and distance is 20cm between reception device and syringe needle, later
To its in air with 1 DEG C it is per minute be warming up to 250 DEG C and pre-oxidize, remembered by the nitrogen-doped nanometer fiber that the method is prepared
For u-PAN.
(2) the nitrogen-doped nanometer fiber prepared by step (1) is put into tube furnace and is carbonized, delayed under nitrogen atmosphere
Slowly it is raised to 800 DEG C (temperature-rise period 3h) from room temperature and keeps 2h, obtain the carbon nano-fiber of N doping, be denoted as NCNF.
(3) 10mg nitrogen-doped carbon nano-fibers, 0.97g bismuth nitrates and 0.23g thiocarbamides are weighed, the deionized water of 40mL is put into
In, ultrasonic disperse 0.5h.
(4) using bismuth salt and sulfosalt as presoma, the growth in situ bismuth sulfide nano particle on nitrogen-doped carbon nano-fiber：It will
Step (3) the prepared dispersion liquid containing nitrogen-doped carbon fiber, bismuth salt and sulfosalt be transferred in 80mL water heating kettles, in 180
Hydro-thermal reaction 12h at DEG C.The black precipitate of obtained bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material is spent
Ionized water is washed 3 times repeatedly, drying for standby, is obtained bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material, is denoted as df-
Bi2S3/NCNF。
Embodiment 2
A kind of preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material, the specific steps are：
(1) presoma N doping polyacrylonitrile nanofiber is prepared by electrostatic spinning technique, 1g polyacrylonitrile is sliced
(molecular weight 130000) and 0.5g urea are added in 9g n,N-Dimethylformamide solvents, lasting to stir, and are prepared
One viscous solution.Obtained polyacrylonitrile solution is subjected to electrostatic spinning by reception device of aluminium foil, adjusts technological parameter
For：Spinning cathode voltage is set as 20kV, and cathode voltage is set as -1kV, and distance is 20cm between reception device and syringe needle, later
And to its in air with 1 DEG C it is per minute be warming up to 250 DEG C and pre-oxidize, the nitrogen-doped nanometer fiber being prepared by the method
It is denoted as u-PAN.
(2) the nitrogen-doped nanometer fiber prepared by step (1) is put into tube furnace and is carbonized, under nitrogen atmosphere in
Slowly 800 DEG C (temperature-rise period 3h) is raised to from room temperature and keeps 2h, obtain the carbon nano-fiber of N doping, be denoted as NCNF.
(3) 10mg nitrogen-doped carbon nano-fibers, 0.97g bismuth nitrates and 0.23g thiocarbamides are weighed, the deionized water of 40mL is put into
In, ultrasonic disperse 0.5h.
(4) using bismuth salt and sulfosalt as presoma, the growth in situ bismuth sulfide nano particle on nitrogen-doped carbon nano-fiber：It will
Step (3) the prepared dispersion liquid containing nitrogen-doped carbon fiber, bismuth salt and sulfosalt be transferred in 80mL water heating kettles, in 180
Hydro-thermal reaction 12h at DEG C.The black precipitate of obtained bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material is spent
Ionized water washes 3 times repeatedly, drying for standby.
(5) bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material that step (4) is prepared is annealed
Processing, to prepare the crystal structure rich in defect bismuth sulfide nano particle, condition is：In nitrogen atmosphere, slowly from room temperature
It is raised to 450 DEG C (temperature-rise period 2h), then keeps the temperature 10h, you can obtains receiving rich in defect bismuth sulfide nano particle/nitrogen-doped carbon
Rice fiber hybrid material, is denoted as dr-Bi2S3/NCNF。
In electro-chemical test, using three electrode test systems, saturated calomel electrode is reference electrode, and platinum filament is to electricity
Pole, electrolyte used are the KOH solution of 6M.Before testing, electrolyte is led into nitrogen 30min to remove the sky wherein dissolved in advance
Gas.
Relevant technological parameter is as follows in above-mentioned electrochemical test method：
The pretreatment of glass-carbon electrode：Glass-carbon electrode is polished with 1.0,0.3,0.05 microns of alumina powder successively,
Grind off the oxide layer and impurity on surface.It is cleaned every time with deionized water and EtOH Sonicate after polishing, last time uses nitrogen after polishing
Air-blowing is done spare.
Attached drawing 1 is the preparation process schematic diagram rich in defect bismuth sulfide nano particle/nitrogen-doped carbon fiber hybrid material.
It is obtained using scanning electron microscope (SEM), X-ray diffractometer, electrochemical workstation to characterize the present invention
Structure, pattern and the energy storage as electrode material for super capacitor of bismuth sulfide nano particle/nitrogen-doped carbon fiber hybrid material
Performance, result are as follows：
(1) test result of SEM shows：The average diameter of electro spinning nano fiber is to 400-500nm, it is often more important that,
Thousands of nitrogen-doped carbon nano-fibers is interconnected so as to form the good three-dimensional network of connection.Referring to attached drawing 2；Prepared
It is equably covered in the surface of nitrogen-doped carbon fiber rich in defect bismuth sulfide nano particle, greatly reduces bismuth sulfide nano particle
The reunion of itself, referring to attached drawing 3.
(2) XRD test results show to exist rich in defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material
Four different characteristic peaks are shown at about 2 θ=13.2 °, 31.9 °, 38.1 ° and 46.2 °, are corresponded to (130) (211), (221)
(431) crystal face, it was demonstrated that the successful preparation of bismuth sulfide nano crystal.In addition, observed in XRD spectrum -30 ° of 2 θ=20 ° it
Between have broad peak, be attributed to amorphous carbon nanofiber.
(4) Electrochemical results show prepared to be rich in defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber
Hybrid material has excellent energy-storage property, and specific capacity is in 1A g-1Discharge current density under reach as high as 466F g-1.Together
When, even if in the case where sweeping speed or high current density greatly, the ultracapacitor of material assembling remains to keep excellent specific capacity, explanation
It possesses excellent multiplying power stability.What annealing was prepared later is rich in defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber
Hybrid material has lower resistance, and electric conductivity is more excellent, referring to attached drawing 5.
Claims (10)
1. a kind of preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material, which is characterized in that including：
Using bismuth salt and sulfosalt as presoma, the growth in situ bismuth sulfide nano particle on nitrogen-doped carbon nano-fiber obtains bismuth sulfide and receives
Rice grain/nitrogen-doped carbon nano-fiber hybrid material.
2. the preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material as described in claim 1, special
Sign is that the preparation method of the nitrogen-doped carbon nano-fiber includes：Presoma N doping is prepared by electrostatic spinning technique
Polyacrylonitrile nanofiber；N doping polyacrylonitrile nanofiber is pre-oxidized；By the N doping polyacrylonitrile nano of pre-oxidation
Fibers carbonization obtains nitrogen-doped carbon nano-fiber.
3. the preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material as claimed in claim 2, special
The step of sign is, the carbonization include：The N doping polyacrylonitrile nanofiber of pre-oxidation is put into tube furnace, in nitrogen
Atmosphere enclose under in 800-1400 DEG C keep 0.5-2h, obtain nitrogen-doped carbon nano-fiber.
4. the preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material as described in claim 1, special
Sign is, described using bismuth salt and sulfosalt as presoma, the growth in situ bismuth sulfide nano particle on nitrogen-doped carbon nano-fiber
Method include：Nitrogen-doped carbon nano-fiber, bismuth salt and sulfosalt are scattered in solvent, obtained containing nitrogen-doped carbon Nanowire
The dispersion liquid of dimension, bismuth salt and sulfosalt carries out hydro-thermal or solvent thermal reaction, obtains bismuth sulfide nano particle/nitrogen-doped carbon Nanowire
Hybrid material is tieed up, bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material is obtained.
5. the preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material as claimed in claim 4, special
Sign is, described using bismuth salt and sulfosalt as presoma, the growth in situ bismuth sulfide nano particle on nitrogen-doped carbon nano-fiber
Method include：Further include：Annealing, obtains defect bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material.
6. the preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material as described in claim 1, special
Sign is that the hydro-thermal or solvent thermal reaction carry out at 180-220 DEG C, reaction time 12-24h.
7. the preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material as described in claim 1, special
Sign is that the bismuth salt is bismuth nitrate or bismuth oxide；The sulfosalt is thiocarbamide or vulcanized sodium；Nitrogen-doped carbon nano-fiber with
The mass ratio of bismuth salt is 2: 1~1: 12, and the molar ratio of the bismuth salt and sulfosalt is 1: 1.3-1.7.
8. the preparation method of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material as described in claim 1, special
Sign is that the annealing temperature is 300-450 DEG C, is carried out under nitrogen atmosphere, annealing time 5-10h.
9. a kind of bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material, which is characterized in that use claim 1-8
Any one of described in bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material preparation method prepared by.
10. bismuth sulfide nano particle/nitrogen-doped carbon nano-fiber hybrid material described in claim 9 is as the super electricity of high-performance
The application of container material.
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| CN111939770A (en) * | 2020-08-03 | 2020-11-17 | 浙江大学 | Bismuth-based functional material for adsorbing gaseous iodine and preparation method and application thereof |
| CN112186161A (en) * | 2020-09-30 | 2021-01-05 | 青岛科技大学 | Semi-filled one-dimensional nano longitudinal hole composite fiber membrane flexible electrode material and preparation method thereof |
| CN112803004A (en) * | 2021-02-07 | 2021-05-14 | 吉林大学 | Preparation method and application of hierarchical bismuth nanosphere/nitrogen-doped carbon nano-network composite material |
| CN114695881A (en) * | 2022-04-22 | 2022-07-01 | 河北科技大学 | Bismuth sulfide negative electrode material and preparation method and application thereof |
| CN114695881B (en) * | 2022-04-22 | 2024-04-12 | 河北科技大学 | Bismuth sulfide anode material and preparation method and application thereof |
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