CN108695498A - A kind of porous carbon embeds the cell negative electrode material and preparation method thereof of kamash alloy - Google Patents
A kind of porous carbon embeds the cell negative electrode material and preparation method thereof of kamash alloy Download PDFInfo
- Publication number
- CN108695498A CN108695498A CN201810465818.9A CN201810465818A CN108695498A CN 108695498 A CN108695498 A CN 108695498A CN 201810465818 A CN201810465818 A CN 201810465818A CN 108695498 A CN108695498 A CN 108695498A
- Authority
- CN
- China
- Prior art keywords
- carbon
- alloy
- kamash alloy
- preparation
- embeds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M4/36—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
- H01M4/387—Tin or alloys based on tin
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- 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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/628—Inhibitors, e.g. gassing inhibitors, corrosion inhibitors
-
- 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 discloses the cell negative electrode material and preparation method thereof that a kind of porous carbon embeds kamash alloy, which is uniformly embedded on three-dimensional netted carbon structure by three-dimensional netted porous carbon-coated nanoscale kamash alloy and is constituted, and preparation process includes:Using NaCl as template, by itself and carbon source, tin source and other dissolving metal salts, it is uniformly mixed, then freeze-drying is to keep NaCl cube structures, it is heat-treated under certain temperature during inertia or reducing atmosphere are enclosed in tube furnace after grinding, washing removes NaCl templates, and the composite material that three-dimensional porous reticulated carbon embeds kamash alloy is obtained after drying.The material prepared is used for lithium ion battery and sodium-ion battery cathode, has the features such as capacity is high, good cycle and excellent high rate performance.And preparation process is simple, and environmentally friendly, performance is controllable, has universality and can amplification.
Description
Technical field
The invention belongs to cell negative electrode material technical field, it is related to a kind of lithium, anode material of lithium-ion battery technology, specifically
The cell negative electrode material and preparation method thereof of kamash alloy is embedded for a kind of porous carbon.
Background technology
Lithium ion battery because its have than energy it is high, operating temperature range is wide, storage life is long, non-environmental-pollution, use
The advantages that safe, is widely used in various miniaturized electronics, such as mobile phone, laptop, camera, electric tool
Deng, and also occupied an important position in the fields such as electric vehicle and extensive energy storage.
The performance of lithium ion battery depends primarily on the performance of positive and negative pole material.Current lithium ion battery negative material master
To be carbon materials, but its theoretical specific capacity only has 372mAh/g, current development high energy density lithium ion electricity cannot be met
The requirement in pond.Metallic tin has obtained extensive concern, but simple substance tin in recent years because it is up to the theoretical specific capacity of 992mAh/g
During lithium ion deintercalation, due to huge volume expansion, structural stability is subject to destroy, and causes material cracks, powder
Change, to seriously affect cycle performance.Meanwhile there is also first charge-discharge irreversible capacity height, complete lithiums for simple substance tin material
The problems such as electric conductivity is deteriorated and influences high rate performance when alloying.For the method for modifying of tin cathode, mainly from following side
Face considers:One, basic framework that is metallic tin and carbon is compound, being stablized using carbon is alleviated volume expansion, it is made to have both the excellent of carbon
Cycle performance and tin high theoretical capacity;Two, metallic tin and other metals are formed into alloy, wherein active poor metal
Buffering matrix can be served as, cycle performance is improved;Three, nanoscale tin is prepared, is shortened certain while the diffusion path of lithium ion
Weaken volume change of material during removal lithium embedded in degree.Above-mentioned three kinds of method of modifying have to improving tin base cathode performance
Certain effect, but single method cannot be fully solved the above-mentioned critical issue of tin base cathode material.
Using sodium chloride, as template, this three-dimensional porous reticulated carbon is prepared by being freeze-dried, being pyrolyzed in the present invention
Embedded nanoscale kamash alloy composite negative pole material, the rare report of structure, preparation process is simple, safety, and production cost is low
It is honest and clean, the stable structure of formation, and there are excellent properties as lithium ion battery negative material.
Invention content
The present invention is intended to provide a kind of porous carbon embeds the cell negative electrode material and preparation method thereof of kamash alloy.The material
It is uniformly to be embedded on three-dimensional porous three-dimensional netted porous carbon to constitute by carbon-coated nanometer kamash alloy particle, the composite material
As negative electrode of lithium ion battery, there is the features such as capacity is high, good cycling stability, high rate performance is excellent.
In order to reach techniques discussed above effect, the present invention is realized especially by following technical scheme:
A kind of porous carbon embeds the cell negative electrode material of kamash alloy, and the negative material is carbon-coated nanoscale tin
Based alloy particle is uniformly embedded on three-dimensional porous netted carbon structure and is formed, and the kamash alloy is Sn and Cu, Ni, Co or Fe
At least one of composition alloy.
The kamash alloy particle diameter is 5nm~30nm, and carbon coating layer thickness is 1nm~5nm.
Above-mentioned three-dimensional netted porous carbon embeds the preparation method of the cell negative electrode material of kamash alloy, includes the following steps:
1) by NaCl, carbon source, tin source and the soluble-salt deionized water dissolving that alloy can be formed with tin, magnetic agitation
12h;
2) solution made from step (1) is placed in refrigerator and is freezed, freeze drier progress low temperature is put into after freezing reality completely
Vacuum drying;
3) the material grind into powder after being freeze-dried step (2) is heat-treated, with 5 DEG C/min~20 DEG C/min's
Heating rate keeps the temperature 2h~8h, is cooled to room temperature under mixed gas protected to 550 DEG C~800 DEG C;
4) powder made from step (3) washed repeatedly with deionized water, filtered, until thoroughly NaCl is in removing product
Only, then by the powder of washes clean it dries, grinds in 60~80 DEG C of baking oven, you can it is three-dimensional porous to obtain embedded kamash alloy
Carbon lithium ion battery composite cathode material.
The carbon source is one or more of citric acid, sucrose, glucose, starch, Victoria C;The tin source is chlorine
Change stannous.
The molar percentage of kamash alloy and sodium chloride is 1 in step (1):100~1:500.
The molar percentage of kamash alloy and carbon material is 1 in step (1):10~1:80.
The soluble-salt that alloy can be formed with tin described in step (1) is mantoquita, nickel salt, cobalt salt or molysite.
Heating condition in step (3) is:Using one or more of nitrogen, argon gas or helium as inert gas source,
It is passed through inert gas 30-60min to exclude air with flow 200-500ml/min, using hydrogen as carrier gas, wherein hydrogen and inertia
Gas flow ratio is 4:1~1:2.
Beneficial effects of the present invention are:
Carbon coating binary tin base alloy structure prepared by the present invention has buffered body of tin negative pole material during embedding de- lithium
Product variation.Double activated component keeps lithium embedding de- in different potentials, improves embedding de- efficiency, introduces inactive ingredients, reduces embedding de-
Cubical expansivity during lithium;The three-dimensional netted porous carbon layer uniformly coated can not only inhibit alloying pellet in heat treatment process
In grow up and the volume change of removal lithium embedded process also can play a buffer role in.In addition, three-dimensional netted porous carbon
Material has excellent electric conductivity and lithium storage function, its flexible volume change for also effectively buffering alloy in substrate.
Meanwhile preparation method is simply easily implemented, obtained three-dimensional netted carbon structure embeds kamash alloy lithium ion battery
Composite negative pole material, alloying pellet is uniform, good dispersion, large specific surface area, stable structure, and specific capacity is high, good cycle, and
High rate performance is excellent.
Description of the drawings
The three-dimensional netted carbon structure of 1 gained of Fig. 1 embodiments embeds Cu6Sn5The SEM of alloy composite materials schemes;
Fig. 2 is that the three-dimensional netted carbon structure of 1 gained of embodiment embeds Cu6Sn5The XRD spectrum of alloy composite materials;
Fig. 3 is that the three-dimensional netted carbon structure that embodiment 1 obtains embeds Cu6Sn5Lithium ion battery made from alloy composite materials
The charge-discharge performance figure of cathode;
Fig. 4 is that the three-dimensional netted carbon structure of 2 gained of embodiment embeds Ni3Sn2The SEM of alloy composite materials schemes;
Fig. 5 is that the three-dimensional netted carbon structure of 2 gained of embodiment embeds Ni3Sn2The XRD spectrum of alloy composite materials;
Fig. 6 is that the three-dimensional netted carbon structure that embodiment 2 obtains embeds Ni3Sn2Lithium ion battery made from alloy composite materials
The charge-discharge performance figure of cathode;
Fig. 7 is that the three-dimensional netted carbon structure of 3 gained of embodiment embeds Ni3Sn4The SEM of alloy composite materials schemes;
Fig. 8 is that the three-dimensional netted carbon structure of 3 gained of embodiment embeds Ni3Sn4The XRD spectrum of alloy composite materials;
Fig. 9 is that the three-dimensional netted carbon structure that embodiment 3 obtains embeds Ni3Sn4Lithium ion battery made from alloy composite materials
The charge-discharge performance figure of cathode;
Figure 10 is that the three-dimensional netted carbon structure of 4 gained of embodiment embeds the SEM figures of CoSn alloy composite materials;
Figure 11 is that the three-dimensional netted carbon structure of 4 gained of embodiment embeds the XRD spectrum of CoSn alloy composite materials;
Figure 12 is that the three-dimensional netted carbon structure that embodiment 4 obtains embeds lithium ion battery made from CoSn alloy composite materials
The charge-discharge performance figure of cathode;
Figure 13 is that the three-dimensional netted carbon structure of 5 gained of embodiment embeds the SEM figures of FeSn alloy composite materials;
Figure 14 is that the three-dimensional netted carbon structure of 5 gained of embodiment embeds the XRD spectrum of FeSn alloy composite materials;
Figure 15 is that the three-dimensional netted carbon structure that embodiment 5 obtains embeds lithium ion battery made from FeSn alloy composite materials
The charge-discharge performance figure of cathode.
Specific implementation mode
Below in conjunction with specific embodiment of the present invention, real technical solution of the invention is clearly and completely described, is shown
So, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
Weigh the C of 2.5g6H8O7·H2Cu (the NO of the NaCl of O, 20.7g, 0.2339g3)2·3H2O, 0.1849g's
SnCl2·2H2O is dissolved in 75mL water, magnetic agitation 12h.Solution after stirring evenly moves into surface plate, is put into refrigerator
The material for freezing real is put into freeze drier by middle freezing after for 24 hours, is freeze-dried at -50 DEG C to being completely dried.It takes out
Powder after drying is put into Noah's ark after grinding, is heat-treated in tube furnace.Gas condition when heat treatment is:H2:Ar
=250:100, with the heating rate of 20 DEG C/min to 750 DEG C, after keeping the temperature 2h, cool to room temperature with the furnace.Obtained powder is used
Deionized water is washed, is filtered repeatedly, until NaCl is completely removed.Powder after washing is put into baking oven and is dried at 80 DEG C, is ground
Mill can obtain three-dimensional netted carbon structure and embed Cu6Sn5The composite cathode material for lithium ion cell of alloy, embedded Cu6Sn5Diameter
Size is 30nm or so, and the length of side of each mesh is about 700nm.
Cu as shown in Figure 16Sn5The SEM of alloy composite materials schemes, can be seen that from the figure carbon three-dimensional net structure and
The nanoscale Cu uniformly inlayed6Sn5Alloying pellet, Cu as shown in Figure 26Sn5The XRD spectrum of alloy composite materials, it is known that gained closes
Golden is really Cu6Sn5.Cu as shown in Figure 36Sn5The charge-discharge performance of negative electrode of lithium ion battery made from alloy composite materials
Figure, it can be seen that in 1Ag-1Current density under for the first time reversible capacity be 396.8mAh g-1And after 200 circle cycles still
There are 366.4mAh g-1Capacity (capacity retention ratio 92.3%).
Embodiment 2
Weigh the C of 2.5g6H8O7·H2Ni (the NO of the NaCl of O, 20.7g, 0.2258g3)2·6H2O, 0.2324g's
SnCl2·2H2O is dissolved in 75mL water, magnetic agitation 12h.Solution after stirring evenly moves into surface plate, is put into refrigerator
Middle freezing, for 24 hours after, the material for freezing real is put into freeze drier, is freeze-dried at -50 DEG C to being completely dried.It takes out dry
Powder after dry, is put into Noah's ark, is heat-treated in tube furnace.Heat treatment condition is:H2:Ar=50:100, with 5 DEG C/
The heating rate of min after keeping the temperature 2h, takes out to 750 DEG C after cooling to room temperature with the furnace.Resulting materials are washed repeatedly with deionized water
It washs, filter, until NaCl is completely removed.Powder after washing is put into baking oven and is dried at 80 DEG C, being ground after drying can obtain
Three-dimensional netted carbon structure embeds Ni3Sn4Carbon lithium ion battery composite cathode material, embedded Ni3Sn2Diameter is 30nm
Left and right, the length of side of each mesh is about 600nm.
Ni as shown in Figure 43Sn2The SEM of alloy composite materials schemes, can be seen that from the figure carbon three-dimensional net structure and
The nanoscale Ni uniformly inlayed3Sn2Alloying pellet, Ni as shown in Figure 53Sn2The XRD spectrum of alloy composite materials, it is known that gained closes
Golden is really Ni3Sn2.Ni as shown in Figure 63Sn2The charge-discharge magnification performance of negative electrode of lithium ion battery made from alloy composite materials
Figure, when current density is 100,200,600,500,1000,2000 and 5000mAg-1When, corresponding specific capacity is respectively
493.3,465.4,510.9,479.2,395.3,283.3mAhg-1.Even if in 5Ag-1Current density under still have 283.3mAhg-1High power capacity.
Embodiment 3
Weigh the C of 2.5g6H8O7·H2The NaCl of O, 20.7g, 0.3662 Ni (NO3)2·6H2O, 0.1627g's
SnCl2·2H2O is dissolved in 75mL water, magnetic agitation 12h.Solution after stirring evenly moves into surface plate, is put into refrigerator
The material for freezing real is put into freeze drier by middle freezing 12h, is freeze-dried at -50 DEG C to being completely dried.After drying
Powder is put into Noah's ark, is heat-treated in tube furnace.Heat treatment condition is:H2:Ar=250:100, with 10 DEG C/min's
Heating rate keeps the temperature 2h, cools to room temperature with the furnace to 750 DEG C.Obtained powder is washed repeatedly with deionized water, is filtered, until
NaCl is completely removed.Powder after washing is put into baking oven and is dried at 80 DEG C, grinding can obtain in three-dimensional carbon reticular structure
Embedding Ni3Sn4Composite cathode material for lithium ion cell, embedded Ni3Sn4Diameter is 30nm or so, the length of side of each mesh
About 600nm.It is Ni that XRD spectrum, which shows embedded alloy really,3Sn4。
Ni as shown in Figure 73Sn4The SEM of alloy composite materials schemes, can be seen that from the figure carbon three-dimensional net structure and
The nanoscale Ni uniformly inlayed3Sn4Alloying pellet;Ni shown in Fig. 83Sn4The XRD spectrum of alloy composite materials, it is known that gained closes
Golden is really Ni3Sn4;Ni shown in Fig. 93Sn4The charge-discharge magnification performance of negative electrode of lithium ion battery made from alloy composite materials
Figure, when current density is 100,200,600,500,1000,2000 and 5000mAg-1When, corresponding specific capacity is respectively
734.3,636.6,636.7,598,493,384.3mAhg-1.Even if in 5Ag-1Current density under still have 384.3mAhg-1It is high
Capacity.
Embodiment 4
Weigh the C of 2.5g6H8O7·H2The NaCl of O, 20.7g, 0.3131 Co (NO3)2·6H2O, 0.1843g's
SnCl2·2H2O is dissolved in 75mL water, magnetic agitation 12h.Solution after stirring evenly moves into surface plate, is put into refrigerator
The material for freezing real is put into freeze drier by middle freezing 12h, is freeze-dried at -50 DEG C to being completely dried.After drying
Powder is put into Noah's ark, is heat-treated in tube furnace.Heat treatment condition is:H2:Ar=400:100, with 15 DEG C/min's
Heating rate keeps the temperature 2h to 750 DEG C, with stove to being cooled to room temperature.Obtained powder is washed repeatedly with deionized water, is filtered,
It is completely removed to NaCl.The powder of washes clean is put into baking oven and is dried at 80 DEG C, grinding can obtain three-dimensional netted carbon knot
Structure embeds CoSn composite cathode material for lithium ion cell, and embedded CoSn diameters are 30nm or so, the length of side of each mesh
About 400-700nm.It is CoSn that XRD spectrum, which shows embedded alloy really,.
The SEM figures of CoSn alloy composite materials as shown in Figure 10, can be seen that from the figure carbon three-dimensional net structure and
The nanoscale CoSn alloying pellets uniformly inlayed;The XRD spectrum of CoSn alloy composite materials shown in Figure 11, it is known that gained alloy is true
For CoSn;The charge-discharge performance figure of negative electrode of lithium ion battery made from CoSn alloy composite materials, it can be seen that
0.1Ag-1Current density under for the first time reversible capacity be 1030.8mAh g-1And still there are 1019mAh g after 100 circle cycles-1Capacity (capacity retention ratio 98.8%).
Embodiment 5
Weigh the C of 2.5g6H8O7·H2The NaCl of O, 20.7g, 0.0594 FeCl2·4H2The SnCl of O, 0.3388g2·
2H2O is dissolved in 75mL water, magnetic agitation 12h.Solution after stirring evenly moves into surface plate, is put into refrigerator and freezes
For 24 hours, real material will be frozen to be put into freeze drier, is freeze-dried at -50 DEG C to being completely dried.Take out the powder after drying
Body is put into Noah's ark, is heat-treated in tube furnace.Heat treatment condition is:H2:Ar=250:100, with the liter of 10 DEG C/min
Warm rate keeps the temperature 2h, is taken out after cooling to room temperature with the furnace to 750 DEG C.Obtained powder is washed repeatedly with deionized water, mistake
Filter, until NaCl is completely removed.Powder after washing is put into baking oven and is dried at 80 DEG C, grinding can obtain three-dimensional netted carbon knot
Structure embeds the composite cathode material for lithium ion cell of FeSn, and embedded FeSn diameters are 100nm or so, the side of each mesh
Long is about 500nm.It is FeSn that XRD spectrum, which shows embedded alloy really,.
The SEM figures of FeSn alloy composite materials as shown in figure 13, can be seen that from the figure carbon three-dimensional net structure and
The nanoscale FeSn uniformly inlayed2Alloying pellet;The XRD spectrum of FeSn alloy composite materials as shown in figure 14.Understand that gained closes
Golden is really FeSn;Figure 15 is the charge-discharge performance figure of negative electrode of lithium ion battery made from FeSn alloy composite materials, can be with
Find out in 0.1A g-1Current density under for the first time reversible capacity be 849.8mAh g-1And capacity goes out after 100 circle cycles
Now slight go up is 967mAh g-1。
Claims (8)
1. a kind of porous carbon embeds the cell negative electrode material of kamash alloy, which is characterized in that the negative material is carbon coating
Nanoscale kamash alloy particle be uniformly embedded on three-dimensional porous netted carbon structure and formed, the kamash alloy be Sn with
The alloy of at least one of Cu, Ni, Co or Fe composition.
2. a kind of porous carbon according to claim 1 embeds the cell negative electrode material of kamash alloy, which is characterized in that described
Kamash alloy particle diameter be 5nm~30nm, carbon coating layer thickness be 1nm~5nm.
3. three-dimensional netted porous carbon described in claim 1 embeds the preparation method of the cell negative electrode material of kamash alloy, special
Sign is, includes the following steps:
1) by NaCl, carbon source, tin source and the soluble-salt deionized water dissolving that alloy can be formed with tin, magnetic agitation 12h;
2) solution made from step (1) is placed in refrigerator and is freezed, freeze drier progress cryogenic vacuum is put into after freezing reality completely
It is dry;
3) the material grind into powder after being freeze-dried step (2) is heat-treated, with the heating of 5 DEG C/min~20 DEG C/min
Rate keeps the temperature 2h~8h, is cooled to room temperature under mixed gas protected to 600 DEG C~800 DEG C;
4) powder made from step (3) washed repeatedly with deionized water, filtered, until NaCl in thoroughly removing product,
The powder of washes clean is dried in 60~80 DEG C of baking oven again, is ground, you can obtains the three-dimensional porous carbon of embedded kamash alloy
Composite cathode material for lithium ion cell.
4. preparation method according to claim 3, which is characterized in that the carbon source be citric acid, sucrose, glucose,
One or more of starch, Victoria C;The tin source is stannous chloride.
5. preparation method according to claim 3, which is characterized in that mole of kamash alloy and sodium chloride in step (1)
Percentage is 1:100~1:500.
6. preparation method according to claim 3, which is characterized in that mole of kamash alloy and carbon material in step (1)
Percentage is 1:10~1:80.
7. preparation method according to claim 3, which is characterized in that alloy can be formed with tin described in step (1)
Soluble-salt is mantoquita, nickel salt, cobalt salt or molysite.
8. preparation method according to claim 3, which is characterized in that the heating condition in step (3) is:With nitrogen, argon
One or more of gas or helium are used as inert gas source, and inert gas 30-60min is passed through with flow 200-400ml/min
To exclude air, using hydrogen as carrier gas, wherein hydrogen and inert gas flow ratio are 4:1~1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465818.9A CN108695498A (en) | 2018-05-16 | 2018-05-16 | A kind of porous carbon embeds the cell negative electrode material and preparation method thereof of kamash alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810465818.9A CN108695498A (en) | 2018-05-16 | 2018-05-16 | A kind of porous carbon embeds the cell negative electrode material and preparation method thereof of kamash alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108695498A true CN108695498A (en) | 2018-10-23 |
Family
ID=63847418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810465818.9A Pending CN108695498A (en) | 2018-05-16 | 2018-05-16 | A kind of porous carbon embeds the cell negative electrode material and preparation method thereof of kamash alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108695498A (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616650A (en) * | 2018-12-10 | 2019-04-12 | 清华-伯克利深圳学院筹备办公室 | A kind of negative electrode material, preparation method and sodium-ion battery and its application using it |
| CN109817932A (en) * | 2019-01-29 | 2019-05-28 | 西安航空学院 | One-step method prepares N- and adulterates porous carbon coating SnO2-Co3O4The method and its application of composite material |
| CN110280255A (en) * | 2019-07-24 | 2019-09-27 | 东北大学秦皇岛分校 | A kind of nanometer of high-entropy alloy elctro-catalyst and preparation method thereof |
| CN110391408A (en) * | 2019-07-24 | 2019-10-29 | 东北大学秦皇岛分校 | A kind of pyrolytic carbon cell negative electrode material of embedded tin-based oxide and preparation method thereof |
| CN110391412A (en) * | 2019-08-22 | 2019-10-29 | 广东工业大学 | A kind of negative electrode material and preparation method thereof and lithium ion battery |
| CN110534724A (en) * | 2019-09-17 | 2019-12-03 | 广东工业大学 | A kind of preparation method and battery of negative electrode material |
| CN111477860A (en) * | 2020-05-11 | 2020-07-31 | 广西师范大学 | Preparation method of GaSn/NC composite material |
| CN112038626A (en) * | 2020-08-25 | 2020-12-04 | 哈尔滨工业大学（深圳） | Tin-carbon composite material for lithium ion battery cathode and preparation method thereof |
| CN112599738A (en) * | 2020-12-14 | 2021-04-02 | 大连海事大学 | Tin-carbon composite material for lithium ion battery cathode and preparation method and application thereof |
| CN112928273A (en) * | 2021-01-29 | 2021-06-08 | 华南师范大学 | Lithium ion battery cathode material and preparation method and application thereof |
| CN114141989A (en) * | 2021-11-22 | 2022-03-04 | 吉林大学 | Preparation method of sodium ion battery electrode with SbZn alloy wrapped in 3D porous carbon |
| CN115415537A (en) * | 2022-08-22 | 2022-12-02 | 哈尔滨工业大学（深圳） | Preparation method and application of alloy type nano material adopting high-temperature thermal radiation |
| WO2023155540A1 (en) * | 2022-02-21 | 2023-08-24 | 广东邦普循环科技有限公司 | Dealloyed sodium ion battery negative electrode material and preparation method therefor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715430A (en) * | 2013-12-23 | 2014-04-09 | 天津大学 | Three-dimensional graphene reticular structure loaded carbon-coated tin nanometer material as well as preparation method and application thereof |
| CN107026261A (en) * | 2017-01-12 | 2017-08-08 | 天津大学 | A kind of tin-cobalt alloy is embedded in the preparation and application of carbon nano-composite material |
-
2018
- 2018-05-16 CN CN201810465818.9A patent/CN108695498A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715430A (en) * | 2013-12-23 | 2014-04-09 | 天津大学 | Three-dimensional graphene reticular structure loaded carbon-coated tin nanometer material as well as preparation method and application thereof |
| CN107026261A (en) * | 2017-01-12 | 2017-08-08 | 天津大学 | A kind of tin-cobalt alloy is embedded in the preparation and application of carbon nano-composite material |
Non-Patent Citations (1)
| Title |
|---|
| ZHIYUAN WANG 等: "Three-dimensional porous bowl-shaped carbon cages interspersed with carbon coated Ni-Sn alloy nanoparticles as anode materials for high-performance lithium-ion batteries", 《NEW.J.CHEM》 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616650A (en) * | 2018-12-10 | 2019-04-12 | 清华-伯克利深圳学院筹备办公室 | A kind of negative electrode material, preparation method and sodium-ion battery and its application using it |
| CN109817932A (en) * | 2019-01-29 | 2019-05-28 | 西安航空学院 | One-step method prepares N- and adulterates porous carbon coating SnO2-Co3O4The method and its application of composite material |
| CN110391408B (en) * | 2019-07-24 | 2021-03-16 | 东北大学秦皇岛分校 | Tin-based oxide embedded pyrolytic carbon battery negative electrode material and preparation method thereof |
| CN110280255A (en) * | 2019-07-24 | 2019-09-27 | 东北大学秦皇岛分校 | A kind of nanometer of high-entropy alloy elctro-catalyst and preparation method thereof |
| CN110391408A (en) * | 2019-07-24 | 2019-10-29 | 东北大学秦皇岛分校 | A kind of pyrolytic carbon cell negative electrode material of embedded tin-based oxide and preparation method thereof |
| CN110391412A (en) * | 2019-08-22 | 2019-10-29 | 广东工业大学 | A kind of negative electrode material and preparation method thereof and lithium ion battery |
| CN110534724A (en) * | 2019-09-17 | 2019-12-03 | 广东工业大学 | A kind of preparation method and battery of negative electrode material |
| CN111477860A (en) * | 2020-05-11 | 2020-07-31 | 广西师范大学 | Preparation method of GaSn/NC composite material |
| CN112038626A (en) * | 2020-08-25 | 2020-12-04 | 哈尔滨工业大学（深圳） | Tin-carbon composite material for lithium ion battery cathode and preparation method thereof |
| CN112599738A (en) * | 2020-12-14 | 2021-04-02 | 大连海事大学 | Tin-carbon composite material for lithium ion battery cathode and preparation method and application thereof |
| CN112928273A (en) * | 2021-01-29 | 2021-06-08 | 华南师范大学 | Lithium ion battery cathode material and preparation method and application thereof |
| CN112928273B (en) * | 2021-01-29 | 2022-07-26 | 华南师范大学 | Lithium ion battery cathode material and preparation method and application thereof |
| CN114141989A (en) * | 2021-11-22 | 2022-03-04 | 吉林大学 | Preparation method of sodium ion battery electrode with SbZn alloy wrapped in 3D porous carbon |
| WO2023155540A1 (en) * | 2022-02-21 | 2023-08-24 | 广东邦普循环科技有限公司 | Dealloyed sodium ion battery negative electrode material and preparation method therefor |
| GB2619644A (en) * | 2022-02-21 | 2023-12-13 | Guangdong Brunp Recycling Technology Co Ltd | Dealloyed sodium ion battery negative electrode material and preparation method therefor |
| CN115415537A (en) * | 2022-08-22 | 2022-12-02 | 哈尔滨工业大学（深圳） | Preparation method and application of alloy type nano material adopting high-temperature thermal radiation |
| CN115415537B (en) * | 2022-08-22 | 2023-10-13 | 哈尔滨工业大学（深圳） | Preparation method and application of alloy type nano material adopting high-temperature heat radiation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108695498A (en) | A kind of porous carbon embeds the cell negative electrode material and preparation method thereof of kamash alloy | |
| Wu et al. | Recent progress in metal–organic polymers as promising electrodes for lithium/sodium rechargeable batteries | |
| JP7181218B2 (en) | Method of preparing graphene/ternary material composites for use in lithium-ion batteries and products thereof | |
| CN108550840A (en) | Three-dimensional netted carbon embeds antimony-containing alloy kalium ion battery negative material and preparation method | |
| CN107732168B (en) | Preparation method of cobweb-shaped graphene-coated β -FeOOH nanorod aggregate lithium ion battery negative electrode material | |
| CN107069001B (en) | Honeycomb zinc sulfide/carbon composite negative electrode material and preparation method thereof | |
| CN108807919B (en) | Preparation method of three-dimensional carbon skeleton | |
| CN106654192B (en) | Tin sulfide/graphene sodium-ion battery composite negative electrode material and preparation method thereof | |
| CN107785552B (en) | Nitrogen-doped flower-like hierarchical structure porous carbon-selenium composite positive electrode material and preparation method and application thereof | |
| CN107910506B (en) | Preparation method of NaCl modified graphene net coated β -FeOOH lithium ion battery negative electrode material | |
| CN102332572A (en) | Anode material and manufacturing method thereof as well as lithium ion battery and negative plate thereof | |
| CN110391408B (en) | Tin-based oxide embedded pyrolytic carbon battery negative electrode material and preparation method thereof | |
| CN103490047B (en) | A kind of preparation method of three-dimensional hole carbon/nano NiO composite | |
| CN103682266A (en) | Li and Mn codoped manganese phosphate/carbon composite material and preparation method thereof | |
| CN110380038A (en) | Embed the pyrolysis carbon composite and preparation method of more shell antimony oxide-antimony alloys | |
| CN105470511B (en) | The preparation method of tin-cobalt alloy situ catalytic three-dimensional grapheme/tin/carbon nanometer pipe composite material | |
| CN103346297A (en) | Preparation method for carbon coated composite metal oxide electrode material | |
| CN104538585B (en) | Hollow porous micron order silicon ball, silicon based anode material and preparation method of lithium ion battery | |
| CN104993118A (en) | Synthesizing method for lithium-ion negative electrode material of Li4Ti5O12/C | |
| CN105428618A (en) | Preparation method for shell-core type carbon-coated metal sulfide nano-composite particles and application of particles | |
| WO2022021642A1 (en) | Sodium ion battery negative electrode material and preparation method therefor | |
| CN110416501B (en) | Electrostatic self-assembly three-dimensional flower-shaped cobalt disulfide/rGO composite material and preparation method and application thereof | |
| Ding et al. | Enhanced electrochemical performance of silicon monoxide anode materials prompted by germanium | |
| CN108987704A (en) | A kind of preparation method and applications of the silicon-carbon composite cathode material of lithium ion battery with porous structure | |
| CN107026261B (en) | Preparation and application of tin-cobalt alloy embedded carbon nano composite material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181023 |