CN110048099A - Electrode material of sodium-ion battery and its preparation method and application - Google Patents
Electrode material of sodium-ion battery and its preparation method and application Download PDFInfo
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- CN110048099A CN110048099A CN201910243610.7A CN201910243610A CN110048099A CN 110048099 A CN110048099 A CN 110048099A CN 201910243610 A CN201910243610 A CN 201910243610A CN 110048099 A CN110048099 A CN 110048099A
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- Prior art keywords
- sodium
- ion battery
- bismuth
- electrode material
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- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910001415 sodium ion Inorganic materials 0.000 title claims abstract description 26
- 239000007772 electrode material Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 32
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000002114 nanocomposite Substances 0.000 claims abstract description 14
- 238000001354 calcination Methods 0.000 claims abstract description 11
- KKMOSYLWYLMHAL-UHFFFAOYSA-N 2-bromo-6-nitroaniline Chemical compound NC1=C(Br)C=CC=C1[N+]([O-])=O KKMOSYLWYLMHAL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000011258 core-shell material Substances 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 6
- 239000011889 copper foil Substances 0.000 claims description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000006230 acetylene black Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 abstract description 7
- 239000002086 nanomaterial Substances 0.000 abstract description 6
- 230000002441 reversible effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 239000011734 sodium Substances 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 239000010405 anode material Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- OLDOGSBTACEZFS-UHFFFAOYSA-N [C].[Bi] Chemical compound [C].[Bi] OLDOGSBTACEZFS-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 125000000962 organic group Chemical group 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M4/362—Composites
- H01M4/366—Composites as layered products
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
-
- 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
-
- 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 field of batteries, and in particular to a kind of electrode material of sodium-ion battery and its preparation method and application.Preparation method includes the following steps: that using bismuth citrate as raw material, directly under an inert atmosphere 600-1000 DEG C calcining is prepared, and obtains the bismuth@carbon nano-composite material of core-shell structure.Bismuth@carbon composite nano-material of the invention has high dispersibility and stability, sodium-ion battery reversible capacity with higher and excellent cyclical stability, it is ideal sodium ion battery electrode material, can be widely applied to the fields such as various electric cars and aerospace.
Description
Technical field
The invention belongs to field of batteries, and in particular to a kind of electrode material of sodium-ion battery and preparation method thereof and answer
With.
Background technique
Since the 21th century, while global economy is grown rapidly, as the coke of main energy sources, petroleum and natural
The fossil fuels such as gas are increasingly depleted.Meanwhile traditional fossil energy can generate the nocuousness such as a large amount of nitrogen oxides in combustion
Substance, environmental pollution are constantly aggravating.Conservation of nature environment and resource realize human kind sustainable development, tap a new source of energy and can
Regeneration clean energy resource has become a top priority.The shadow by region and weather such as solar energy, wind energy, geothermal energy in new energy
It rings, cannot be widely used.In many new energy technologies, electrochmical power source with its cleaning, safety and it is convenient the advantages that in state
Increasingly important role is played in people's economy and daily life.In numerous electrochmical power sources, lithium ion battery is due to tool
Have the advantages that high-energy density, cost is relatively low, long circulation life, memory-less effect, high power density and high working voltage, always
It is the emphasis and hot spot of domestic and international scientist's research.However, demand of the lithium electricity industry to lithium resource is continuously increased, so that on ground
Reserves in shell are limited and the lithium resource aggravation that is unevenly distributed is reduced, and cause continuing to increase for cost, this, which will become, restricts
One bottleneck of lithium electricity industry development.Therefore, rich using reserves on earth from the point of view of energy development and the long-range demand utilized
Usually development cost is low, electrochmical power source system highly-safe and have extended cycle life is an important task for rich member.Sodium from
Sub- battery has many advantages, such as richer sodium resource, highly-safe, thus develops the sodium ion electricity for extensive stored energy application
Pool technology can alleviate the problem of lithium resource shortage, have great strategy and realistic meaning.
Currently, more and more nano materials are widely studied initially as sodium ion battery electrode material, wherein metal
Bismuth is increasingly becoming the research of novel anode material of lithium-ion battery due to theoretical capacity with higher and preferable security performance
One of hot spot.But as most of material, bismuth can generate biggish bulk effect, lead to electricity during removing sodium embedding sodium
It the dusting of pole material and falls off, so that its performance be made substantially to decay, it is suppressed that application of the bismuth as anode material of lithium-ion battery.
The method for improving bismuth negative electrode material chemical property mainly prepares carbon composite, nanosizing and alloying etc.
Method, wherein its cycle performance and high rate performance can be significantly improved by preparing carbon composite and nanosizing, with carbon it is compound after can be with
Enhance its electric conductivity, conductive network is formed, moreover, the bismuth material of nanosizing can effectively inhibit to cause due to embedding sodium removing sodium process
Bulk effect, effectively come into full contact with electrolyte, increase substantially its battery performance.The bismuth carbon of traditional nanosizing is compound
The preparation of object process is complicated, and low output limits large-scale application of the bismuth metal nano material on sodium-ion battery.
Summary of the invention
The purpose of the present invention is to provide electrode materials of a kind of sodium-ion battery and its preparation method and application.
The present invention to achieve the above object, using following technical scheme:
A kind of preparation method of the electrode material of sodium-ion battery, using bismuth citrate as raw material, directly in inert atmosphere
Lower 600-1000 DEG C of calcining is prepared, and obtains the bismuth@carbon nano-composite material of core-shell structure.
The invention also includes a kind of electrode materials of sodium-ion battery, are obtained by above-mentioned preparation method, the nucleocapsid
The diameter of the bismuth@carbon nano-composite material of structure is between 8-28nm.
The invention also includes the applications of the electrode material of the sodium-ion battery described in one kind, are applied to preparation work electrode,
Specific steps are as follows:
1) electrode material of sodium-ion battery, acetylene black and binder PVDF are mixed according to the ratio of mass ratio 8:1:1
Uniformly, NMP is added dropwise according to the concentration of 15mg/mL PVDF/NMP, uniform slurry is prepared in grinding；
2) above-mentioned slurry is uniformly coated on round copper foil, and is dried in vacuo 12h at 110 DEG C；
3) copper foil of above-mentioned drying is used as working electrode.
Compared with prior art, the beneficial effects of the present invention are:
1) present invention uses commercialization and low-cost sodium citrate is raw material；(2) simple heat-treating methods are used
The bismuth carbon nano-composite material with polymolecularity is prepared, the small feature of their low dimensional and size is conducive to react
Substance and active material come into full contact with and the progress of charge and discharge, and bismuth@carbon composite is highly stable in cyclic process；
(3) gained bismuth@carbon composite nano-material preparation method is very simple, is suitable for large scale preparation；(4) bismuth@carbon is compound obtained by receives
When rice material is used as the electrode material of sodium-ion battery, there is excellent circulation and high rate performance, in 0.8A g-1Electric current under,
After 3000 circle of circulation, capacity can respectively reach 277.7mA h g-1, capacity retention ratio is respectively 97%.
To sum up, bismuth@carbon composite nano-material of the invention has high dispersibility and stability, sodium ion with higher
Battery reversible capacity and excellent cyclical stability are ideal sodium ion battery electrode materials, be can be widely applied to each
The kind fields such as electric car and aerospace；In addition, the material can pass through repetition from low-cost bismuth citrate raw material
Property it is high, process is simple, time-consuming few technique prepares, be suitable for industrialized production.
Detailed description of the invention
Fig. 1 is the morphology characterization figure of the bismuth@carbon nano-composite material of the embodiment of the present invention 1；
Fig. 2 is the size distribution plot of embodiment 1；
The battery performance charging and discharging curve of Fig. 3 bismuth@carbon nano-composite material of the present invention；
Fig. 4 and Fig. 5 is the battery performance test result figure of bismuth@carbon nano-composite material of the present invention.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
Embodiment 1
A kind of electrode material of sodium-ion battery, is made by the steps to obtain:
(1) by commercialized bismuth citrate under the argon gas stream of 100-200cc/min, with the heating speed liter of 2 DEG C/min
For temperature to 900 DEG C, heat preservation 2h obtains product；
Gained bismuth@carbon nano-composite material pattern is characterized, as a result referring to Fig. 1-2.Bismuth@carbon nano-composite material
The diameter of particle is between 8-28nm.
Fig. 1 is the morphology characterization of the bismuth@carbon nano-composite material of the embodiment of the present invention 1 as a result, wherein (a) is the saturating of low power
Penetrate electron microscope (TEM), it was demonstrated that it is with good dispersibility, and size is between 8-28nm；It (b) is the nano combined material of bismuth@carbon
The high-resolution-ration transmission electric-lens figure (HRTEM) of material, it was demonstrated that it is the mono-crystalline structures of bismuth；
Fig. 2 is the size distribution plot of embodiment 1；
Acquired bismuth carbon nano-composite material is made into working electrode according to method provided by the present invention and is carried out corresponding
Electrochemical property test, specific steps are as follows:
1) electrode material of sodium-ion battery, acetylene black and binder PVDF are mixed according to the ratio of mass ratio 8:1:1
Uniformly, NMP is added dropwise according to the concentration of 15mg/mL (PVDF/NMP), uniform slurry is prepared in grinding；
2) above-mentioned slurry is uniformly coated on round copper foil, and 110 DEG C of dryings of vacuum, drying time 12h；
3) copper foil of above-mentioned drying is used as working electrode.
It is as follows to the test method of the chemical property of electrode material:
(1) it is tested using button CR2032 type system, wherein being metallic sodium piece to electrode, above-mentioned battery assembly is in hand
It is carried out in casing.
(2) test content includes the reversible capacity of electrode material, and stable circulation performance is tested using constant current charge-discharge
Analysis.Charging/discharging voltage window are as follows: 0.01-1.5V (vs.Na+/Na)。
As a result as follows: the bismuth@carbon composite nano-material that preparation is calcined at 900 DEG C is used as anode material of lithium-ion battery
When, there is most excellent cycle performance, in 0.8Ag-1Electric current under, circulation 3000 circle after, capacity reaches 277.7mA h g-1, capacity retention ratio 97%.
Embodiment 2: embodiment 2 and the difference of embodiment 1 are only that calcination temperature is different, and calcination temperature is 600 DEG C.
Embodiment 3: embodiment 3 and the difference of embodiment 1 are only that calcination temperature is different, and calcination temperature is 1000 DEG C.
Fig. 3 is the nano combined material of bismuth@carbon that the present invention is prepared under different calcination temperatures (600 DEG C, 900 DEG C and 1000 DEG C)
Charging and discharging curve when expecting as anode material of lithium-ion battery.
Fig. 4 is that the bismuth@carbon of the invention that preparation is calcined under 600 DEG C (embodiments 2) and 1000 DEG C (embodiment 3) is nano combined
The cycle performance test result of material.
Fig. 5 is that present invention cycle performance of the bismuth@carbon nano-composite material of (embodiment 1) calcining preparation at 900 DEG C is surveyed
Test result.
Under 600 DEG C of calcination temperature, organic group carbonization is insufficient in bismuth citrate, the not no quilt completely of active constituent bismuth
Reduction, causes capacity relatively low.Under 1000 DEG C of calcination temperature, organic group carbonization sufficiently causes very much outer layer carbon shell on the low side, no
The fully wrapped around bismuth nano particle of energy, in addition the fusing point of bismuth is lower (271 DEG C), and not wrapped bismuth particle can regelation after cooling
Blocky bismuth is formed, will cause biggish volume expansion when sodium ion insertion, so that cycle life is not grown.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (4)
1. a kind of preparation method of the electrode material of sodium-ion battery, which is characterized in that using bismuth citrate as raw material, directly exist
600-1000 DEG C of calcining is prepared under inert atmosphere, obtains the bismuth@carbon nano-composite material of core-shell structure.
2. a kind of electrode material for the sodium-ion battery that preparation method according to claim 1 obtains, which is characterized in that institute
The bismuth@carbon nano-composite material diameter for the core-shell structure stated is between 8-28nm.
3. a kind of application of the electrode material of sodium-ion battery as claimed in claim 2, which is characterized in that be applied to preparation work
Electrode, specific steps are as follows:
1) electrode material of sodium-ion battery, acetylene black and binder PVDF are uniformly mixed according to the ratio of mass ratio 8:1:1,
NMP is added dropwise according to the concentration of 15mg/mL PVDF/NMP, uniform slurry is prepared in grinding；
2) above-mentioned slurry is uniformly coated on round copper foil, and is dried in vacuo 12h at 110 DEG C；
3) copper foil of above-mentioned drying is used as working electrode.
4. the application of the electrode material of sodium-ion battery according to claim 3, which is characterized in that the work electricity
Pole, in 0.8A g-1Electric current under, circulation 3000 circle after, capacity reaches 277.7mA h g-1, capacity retention ratio 97%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910243610.7A CN110048099A (en) | 2019-03-28 | 2019-03-28 | Electrode material of sodium-ion battery and its preparation method and application |
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| CN201910243610.7A CN110048099A (en) | 2019-03-28 | 2019-03-28 | Electrode material of sodium-ion battery and its preparation method and application |
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| CN110048099A true CN110048099A (en) | 2019-07-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571682A (en) * | 2021-07-29 | 2021-10-29 | 广东工业大学 | Bismuth/carbon composite material and preparation method and application thereof |
| CN113839038A (en) * | 2021-08-12 | 2021-12-24 | 山东大学 | MOF-derived Bi @ C nano composite electrode material and preparation method thereof |
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| CN107887602A (en) * | 2017-09-27 | 2018-04-06 | 北京化工大学 | A kind of classifying porous charcoal nanometer sheet electrode material of nitrogen oxygen codope and its preparation method and application |
| CN108178157A (en) * | 2018-05-02 | 2018-06-19 | 中航锂电（江苏）有限公司 | A kind of sodium-ion battery negative material and its application and preparation method |
| CN108480623A (en) * | 2018-04-25 | 2018-09-04 | 北京化工大学 | A kind of magnanimity preparation method of ultra-thin carbon-coated metallic nano-particles |
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2019
- 2019-03-28 CN CN201910243610.7A patent/CN110048099A/en active Pending
Patent Citations (4)
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| CN107195894A (en) * | 2017-07-06 | 2017-09-22 | 北京化工大学 | A kind of metal carbon nano-fiber composite material and its preparation method and application |
| CN107887602A (en) * | 2017-09-27 | 2018-04-06 | 北京化工大学 | A kind of classifying porous charcoal nanometer sheet electrode material of nitrogen oxygen codope and its preparation method and application |
| CN108480623A (en) * | 2018-04-25 | 2018-09-04 | 北京化工大学 | A kind of magnanimity preparation method of ultra-thin carbon-coated metallic nano-particles |
| CN108178157A (en) * | 2018-05-02 | 2018-06-19 | 中航锂电（江苏）有限公司 | A kind of sodium-ion battery negative material and its application and preparation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571682A (en) * | 2021-07-29 | 2021-10-29 | 广东工业大学 | Bismuth/carbon composite material and preparation method and application thereof |
| CN113839038A (en) * | 2021-08-12 | 2021-12-24 | 山东大学 | MOF-derived Bi @ C nano composite electrode material and preparation method thereof |
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