CN108321370A - Carbon-based compound cyanamide iron material of one kind and preparation method thereof - Google Patents
Carbon-based compound cyanamide iron material of one kind and preparation method thereof Download PDFInfo
- Publication number
- CN108321370A CN108321370A CN201810014738.1A CN201810014738A CN108321370A CN 108321370 A CN108321370 A CN 108321370A CN 201810014738 A CN201810014738 A CN 201810014738A CN 108321370 A CN108321370 A CN 108321370A
- Authority
- CN
- China
- Prior art keywords
- iron
- carbon
- cyanamide
- based compound
- preparation
- 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.)
- Granted
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
- 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
- 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
- H01M4/60—Selection of substances as active materials, active masses, active liquids of organic compounds
-
- 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
-
- 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 present invention relates to a kind of carbon-based compound cyanamide iron materials and preparation method thereof.Carbon-based compound cyanamide iron material includes：Cyanamide iron and the carbon compound with the cyanamide iron.According to the present invention, by the way that cyanamide iron and carbon is compound, cyanamide iron volume expansion, while the compound reactivity for also further improving battery of two kinds of materials can be effectively solved the problems, such as, battery structure is set more to stablize, to improve the multiplying power and cycle performance of battery.
Description
Technical field
The invention belongs to composite materials to synthesize field, and in particular to the novel carbon-based compound cyanamide iron material of one kind and its system
Preparation Method.
Background technology
Since lithium ion battery has energy density high, service life is long, and advantages of environment protection, recent years become
Research hotspot, and it is successfully realized commercialization.But lithium resource is relatively low in the reserves of the earth, expensive become continues
Develop a bottleneck of lithium ion battery.Therefore there is an urgent need to find a kind of rich reserves, kin member usually replaces lithium
Element.Sodium and the element that lithium is same main group, and sodium is higher in the reserves of the earth, and it is widely distributed.Therefore big in recent years
The researcher of amount has put into a large amount of energy in the research of sodium-ion battery, and sodium-ion battery also achieves fast in recent years
The development of speed.However, sodium element differs larger with the radius of elemental lithium, therefore volume expansion becomes restriction sodium-ion battery development
A principal element.The oxide of iron have high power capacity, low cost, derive from a wealth of sources, it is nontoxic the advantages that, with existing graphite electricity
Pole is compared, and theoretical capacity is only 372mAhg-1, there is significant advantage.Cyanamide iron (FeCN2) it is a kind of there is high charge-discharge
The anode material of lithium-ion battery of capacity potentiality, however the material requires extremely harshness due to being synthetically prepared condition, it is more difficult to directly
Obtain the material, it is more difficult to obtain the composite construction of the material, thus significantly limit the application of the material.
Invention content
Inventors have realized that if high conductivity material can be constructed and cyanamide iron is compound, to improve its electric conductivity, and lead to
Surface cladding is crossed to alleviate the volume expansion occurred when embedded sodium ion and abjection, then is expected to promote the material in battery electrode material
Application in material field.
In view of the problems of the existing technology, the purpose of the present invention is to provide a kind of carbon-based compound cyanamide iron material and
Preparation method.
On the one hand, the present invention provides a kind of carbon-based compound cyanamide iron material, including：Cyanamide iron and with the cyanamide
Change the compound carbon of iron.
According to the present invention, by the way that cyanamide iron and carbon is compound, cyanamide iron volume expansion can be effectively solved the problems, such as, together
When two kinds of materials the compound reactivity for also further improving battery, make battery structure more stablize, to improve battery
Multiplying power and cycle performance.
Preferably, in the carbon-based compound cyanamide iron material, the mass ratio of cyanamide iron and carbon is 1：10~10：1.
Preferably, the microscopic appearance of the carbon-based compound cyanamide iron material includes：It carbon film and is grown on the carbon film
Cyanamide iron.
Preferably, the cyanamide iron is in polyhedral structure, size is 10nm~1 μm.The thickness of the carbon film be 1nm~
100nm。
On the other hand, the present invention provides a kind of preparation method of carbon-based compound cyanamide iron material, including：By source of iron and contain
Carbon nitrogen organic compound is uniformly mixed, and under protective atmosphere, is kept the temperature 10 minutes~5 hours at 400~850 DEG C, is obtained carbon-based multiple
Close cyanamide iron material.
According to the present invention, a step directly constructs high conductivity material carbon and cyanamide iron is compound, and synthesis material is cheap,
Preparation method is simple, can significantly reduce the manufacturing cost of cyanamide iron material.
Preferably, the source of iron is selected from ammonium ferric oxalate, ferric citrate, iron ammonium sulfate, iron chloride, ferric nitrate, sulphur
At least one of sour ferrous, ferrous oxalate.
Preferably, the carbon containing nitrogen organic compound is selected from urea, melamine, dicyandiamide, cyanamide, carbodiimide, three
At least one of paracyanogen acid.
Preferably, the mass ratio ranging from 5 of source of iron and carbon containing nitrogen organic compound:1~1:8.
Preferably, by source of iron and carbon containing nitrogen organic compound mixed grinding to be uniformly mixed.
Preferably, keeping the temperature 1 hour at 120~160 DEG C hereinafter, then keeping the temperature 10 minutes~5 hours at 400~850 DEG C；It is excellent
Selection of land is warming up to 120~160 DEG C with 3~30 DEG C/min of rate, then 400 are warming up to 1~30 DEG C/min of rate~
850℃。
The third aspect, the present invention also provides a kind of sodium-ion batteries, make containing above-mentioned carbon-based compound cyanamide iron material
For negative material.
Description of the drawings
Fig. 1 is the XRD diagram of product prepared by embodiment 1；
Fig. 2 a are the SEM figures of product prepared by embodiment 1；
Fig. 2 b are the TEM figures of product prepared by embodiment 1；
Fig. 2 c are the product that is prepared using embodiment 1 as the battery performance figure of the sodium-ion battery of negative electrode active material；
Fig. 3 is the XRD diagram of product prepared by embodiment 2；
Fig. 4 a are the SEM figures of product prepared by embodiment 2；
Fig. 4 b are the TEM figures of product prepared by embodiment 2；
Fig. 4 c are the product that is prepared using embodiment 2 as the battery performance figure of the sodium-ion battery of negative electrode active material；
Fig. 5 a are the XRD diagram of product prepared by embodiment 3；
Fig. 5 b are the SEM figures of product prepared by embodiment 3；
Fig. 5 c are the SEM figures of product prepared by embodiment 3；
Fig. 6 a are the XRD diagram of product prepared by embodiment 4；
Fig. 6 b are the SEM figures of product prepared by embodiment 4；
Fig. 6 c are the SEM figures of product prepared by embodiment 4.
Specific implementation mode
It is further illustrated the present invention below in conjunction with attached drawing and following embodiments, it should be appreciated that attached drawing and following embodiments
It is merely to illustrate the present invention, is not intended to limit the present invention.
An embodiment of the present invention provides a kind of carbon-based compound cyanamide iron material, contains carbon and cyanamide iron
(FeCN2).The cyanamide that the microscopic appearance of carbon-based compound cyanamide iron material may include carbon film and be grown on the carbon film
Iron.Cyanamide iron surface can be coated by carbon shell (carbon film).Specifically, carbon shell, which is coated on cyanamide iron surface, forms cladding
Grain, and granular grows are on carbon film structure surface.The thickness of carbon shell can be 1nm~100nm.The thickness of carbon film can be 1nm~
100nm.Cyanamide iron particle is in polyhedral structure, and average-size is 10nm~1 μm.In carbon-based compound cyanamide iron material,
The mass ratio of carbon and cyanamide iron can be 10：1~1：10.Composite material has preferable electric conductivity stable charge/discharge under the ratio
Property and circulation volume.
For cyanamide iron material synthesis step in the prior art is complicated, synthesis cost is higher, is difficult to obtain the material
The problems such as composite construction, the present invention also provides a kind of preparation methods of carbon-based compound cyanamide iron material.
In an embodiment of the present invention, source of iron and carbon containing nitrogen organic compound are uniformly mixed, under protective atmosphere, carried out
Heat treatment, obtains carbon-based compound cyanamide iron material.
Source of iron can be molysite, include the inorganic acid salt of the acylate of iron, iron, such as can be selected from ammonium ferric oxalate, lemon
At least one of sour iron ammonium, iron ammonium sulfate, iron chloride, ferric nitrate, ferrous sulfate, ferrous oxalate etc., preferably iron has
Machine hydrochlorate can form preferable reaction atmosphere in pyrolytic process.
Carbon containing nitrogen organic compound for example can be selected from urea, melamine, dicyandiamide, cyanamide, carbodiimide, cyanuric acid
At least one of Deng, preferably urea and cyanamide compound can form preferable pre-reaction material during heating.
Source of iron and carbon containing nitrogen organic compound are uniformly mixed, mixture A is obtained.In one example, the two is mixed and is ground
Mill is to be uniformly mixed.The mass ratio of source of iron and carbon containing nitrogen organic compound is preferably 5:1~1:8, it can be effectively obtained in this way
Target product.It is highly preferred that the mass ratio of source of iron and carbon containing nitrogen organic compound is 2:1~1:2.By adjusting source of iron and carbon containing
Mass ratio, reaction condition of nitrogen organic compound etc. can adjust in products therefrom the quality of cyanamide iron and carbon when product
Microscopic appearance.For example, when carbon containing nitrogen organic compound is more in reaction raw materials, the carbon film in product can be thicker.
Mixture A is heat-treated under protective atmosphere.Reaction vessel can be quartz or alumina crucible, and by crucible
It is placed in tube furnace.The protective atmosphere can be argon gas, nitrogen etc..Heat treatment temperature can be 400~850 DEG C, at such a temperature
Target product can effectively be obtained.Heat treatment temperature is preferably 500~550 DEG C, can preferably control cyanogen at such a temperature
The thickness of amination iron polyhedral growth population and carbon film.Heat treatment time can be 1 minute~5 hours, preferably 10 minutes~3
Hour.In one preferred example, first 120~160 DEG C are warming up to the first heating rate and keep the temperature 1 hour hereinafter, then proceeding to
It is warming up to 400~850 DEG C with the second heating rate and keeps the temperature 1 minute~5 hours.Gradient-heated makes carbon nitrogen source at a lower temperature
Liquid precursor, concurrent first portion pyrolysis and polycondensation reaction are formed, the CN that target product needs is generated2Group.The first heating speed
Rate can be 3~30 DEG C/min, preferably 20~25 DEG C/min.The first heating rate is preferably very fast, can shorten and heat up
Side reaction in journey influences.Second heating rate can be 1~30 DEG C/min, preferably 3~9 DEG C/min.Second heating rate
It is preferably relatively slow, reacting for carbon nitrogen source and source of iron can be sufficiently promoted.
The present invention also provides a kind of sodium-ion batteries, contain above-mentioned carbon-based compound cyanamide iron material as cathode material
Material.In the present invention, other ingredients, the component of the sodium-ion battery are not particularly limited, as long as not influencing the object of the invention i.e.
It can.
The present invention has the advantages that：
1) present invention prepares carbon-based compound cyanamide iron with carbon containing nitrogen organic compound and source of iron (such as molysite) for raw material
Material, the technology synthesis material is cheap, and preparation method is simple, can substantially reduce existing document
The preparation procedure of processing of the cyanamide iron material of (Angew.Chem.Int.Ed.2016,55,5090-5095) report, reduces material
Material synthesis difficulty, and reduce manufacturing cost；
2) the cyanamide iron material structure prepared by the present invention and carbon material are compound, can be obviously improved material in charge and discharge process
Electric conductivity and structural stability；
3) the carbon-based compound cyanamide iron material prepared by the present invention has high sodium ion storage performance, charge/discharge capacity high
And high rate performance is splendid, for example, being existed using the battery of carbon-based compound cyanamide iron material as the negative electrode active material of the present invention
The capacity that 700mAh/g is presented under the current density of 100mA/g still has 300mAh/g or more under the current density of 5A/g
Capacity.
Embodiment is enumerated further below so that the present invention will be described in detail.It will similarly be understood that following embodiment is served only for this
Invention is further described, and should not be understood as limiting the scope of the invention, those skilled in the art is according to this hair
Some nonessential modifications and adaptations that bright the above is made all belong to the scope of protection of the present invention.Following examples are specific
Technological parameter etc. is also only an example in OK range, i.e. those skilled in the art can be done properly by the explanation of this paper
In the range of select, and do not really want to be defined in hereafter exemplary concrete numerical value.
Embodiment 1：
1) by analytically pure ammonium ferric oxalate, urea is fully ground in glass mortar is formed uniformly mixture A, and mesoxalic acid is high
Iron ammonium 1.5g, urea 1.5g；
2) A is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, under an argon atmosphere, with 20 DEG C/
The rate of min is warming up to 150 DEG C, and keeps the temperature 1h, then proceedes to continue to keep with the heating rate of 3 DEG C/min to be warming up to 570 DEG C,
And 1h is kept the temperature, products therefrom is denoted as B.
Product B is analyzed using Rigaku D/max2000PCX- x ray diffractometer xs, the XRD of products therefrom is shown in Fig. 1.From Fig. 1
As can be seen that product is the FeCN of pure phase2Structure, crystallinity are good.Product B is seen under scanning electron microscope and transmission electron microscope
It examines, as can be seen that membranaceous carbon structure is presented in product from Fig. 2 a and Fig. 2 b, body structure surface has more polyhedral
FeCN2Structure.The size of polyhedral structure is 50nm~100nm, and the thickness of carbon film is 10nm~30nm.
The product B of gained is prepared into button-shaped lithium ion battery, specific encapsulation step is as follows：It is conductive by activity powder
Agent (Super P), bonding agent (carboxyl methyl cellulose) are 8 according to mass ratio:1:After 1 proportioning grinding uniformly, slurry is made
Slurry, is equably applied on copper foil, then in 80 DEG C of dry 12h of vacuum drying chamber by material with coating device.Later by electrode slice group
Sodium ion half-cell is dressed up, constant current charge-discharge test is carried out to battery using new prestige electrochemical workstation, test voltage is
Resulting materials are assembled into button cell and test its anode material of lithium-ion battery performance by 0.01V-3.0V, as shown in Figure 2 c,
Battery presents the capacity of 700mAh/g under the current density of 100mA/g, still has 300mAh/ under the current density of 5A/g
The capacity of g or more, it is seen that material has excellent high rate performance and charge/discharge capacity.
Embodiment 2：
1) by analytically pure ferric nitrate, melamine is fully ground in glass mortar is formed uniformly mixture A, wherein ferric nitrate
1g, melamine 1.67g；
2) A is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, under an argon atmosphere, with 30 DEG C/
The rate of min is warming up to 160 DEG C, and keeps the temperature 5min, then proceedes to continue to keep with the heating rate of 5 DEG C/min to be warming up to 600
DEG C, and 30min is kept the temperature, products therefrom is denoted as B.
Product B is analyzed using Rigaku D/max2000PCX- x ray diffractometer xs, the XRD of products therefrom is shown in Fig. 3.From Fig. 3
As can be seen that product is still pure phase FeCN2Structure, but crystallinity is weaker, may be smaller with particle size and there are clad structures
It is related.Product B is observed under scanning electron microscope and transmission electron microscope, as can be seen that product is presented from Fig. 4 a and Fig. 4 b
The polyhedral structure and polyhedron of accumulation are grown on the carbon film structure surface of thin layer, and polyhedral structure surface is coated with carbon shell.It is more
The size of face body structure is 100~300nm, and the thickness of carbon film is 10~20nm；The thickness of carbon shell is 10~20nm.With reference to implementation
Method in example 1 tests its anode material of lithium-ion battery performance, and as illustrated in fig. 4 c, product embodies high rate capability,
Show excellent sodium-ion battery storage performance.
Embodiment 3：
1) by analytically pure ferrous oxalate, cyanamide is fully ground in glass mortar is formed uniformly mixture A, wherein ferric nitrate
2g, cyanamide 0.4g；
2) A is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, under an argon atmosphere, with 30 DEG C/
The rate of min is warming up to 160 DEG C, and keeps the temperature 5min, then proceedes to continue to keep with the heating rate of 30 DEG C/min to be warming up to 850
DEG C, and 1min is kept the temperature, products therefrom is denoted as B.
Product B is analyzed using Rigaku D/max2000PCX- x ray diffractometer xs, the XRD of products therefrom is shown in Fig. 5 a.From figure
It is pure phase FeCN that 5a, which can be seen that product still,2Structure, crystallinity is good, and purity is higher.By product B under scanning electron microscope into
Row observation, as can be seen that the polyhedral structure of accumulation is presented in product from Fig. 5 b and Fig. 5 c, but carbon film structure disappears substantially.It is more
The size of face body structure is 300~500nm.
Embodiment 4：
1) by analytically pure ferrous sulfate, carbodiimide is fully ground in glass mortar is formed uniformly mixture A, wherein sulfuric acid
Ferrous 0.5g, carbodiimide 4g；
2) A is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, in a nitrogen atmosphere, with 10 DEG C/
The rate of min is warming up to 160 DEG C, and keeps the temperature 5min, then proceedes to continue to keep with the heating rate of 3 DEG C/min to be warming up to 400
DEG C, and 2h is kept the temperature, products therefrom is denoted as B.
Product B is analyzed using Rigaku D/max2000PCX- x ray diffractometer xs, the XRD of products therefrom is shown in Fig. 6 a.From figure
It is pure phase FeCN that 6a, which can be seen that product still,2Structure, but crystallinity is weaker, it may be smaller with particle size and in the presence of cladding knot
Structure is related.Product B is observed under scanning electron microscope, as can be seen that the more of accumulation are presented in product from Fig. 6 b and Fig. 6 c
Face body structure and polyhedron are grown on the carbon film structure surface compared with thick-layer.The size of polyhedral structure is 200nm~1 μm, carbon film
Thickness be 100nm.
Claims (10)
1. a kind of carbon-based compound cyanamide iron material, which is characterized in that including：Cyanamide iron and compound with the cyanamide iron
Carbon.
2. carbon-based compound cyanamide iron material according to claim 1, which is characterized in that the carbon-based compound cyanamide iron
In material, the mass ratio of cyanamide iron and carbon is 1：10~10：1.
3. carbon-based compound cyanamide iron material according to claim 1 or 2, which is characterized in that the carbon-based compound cyanamide
Changing iron material includes：Carbon film and the cyanamide iron being grown on the carbon film.
4. carbon-based compound cyanamide iron material according to claim 3, which is characterized in that the cyanamide iron is in polyhedron
Structure, size are 10 nm~1 μm, and the thickness of the carbon film is the nm of 1 nm~100.
5. a kind of preparation method of carbon-based compound cyanamide iron material any one of Claims 1-4, feature exist
In, including：Source of iron and carbon containing nitrogen organic compound are uniformly mixed, under protective atmosphere, 10 minutes are kept the temperature at 400~850 DEG C
~5 hours, obtain carbon-based compound cyanamide iron material.
6. preparation method according to claim 5, which is characterized in that the source of iron is selected from ammonium ferric oxalate, ironic citrate
At least one of ammonium, iron ammonium sulfate, iron chloride, ferric nitrate, ferrous sulfate, ferrous oxalate；The carbon containing nitrogen organic compound
Object is selected from least one of urea, melamine, dicyandiamide, cyanamide, carbodiimide, cyanuric acid.
7. preparation method according to claim 5 or 6, which is characterized in that the quality of source of iron and carbon containing nitrogen organic compound
Than ranging from 5:1~1:8.
8. preparation method according to any one of claims 5 to 7, which is characterized in that source of iron and carbon containing nitrogen organise
Object mixed grinding is closed to be uniformly mixed.
9. the preparation method according to any one of claim 5 to 8, which is characterized in that keep the temperature 1 hour at 120~160 DEG C
Hereinafter, then keeping the temperature 10 minutes~5 hours at 400~850 DEG C；Preferably, 120 are warming up to 3~30 DEG C/min of rate~
160 DEG C, then 400~850 DEG C are warming up to 1~30 DEG C/min of rate.
10. a kind of sodium-ion battery, which is characterized in that contain carbon-based compound cyanamide any one of Claims 1-4
Iron material is as negative material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014738.1A CN108321370B (en) | 2018-01-08 | 2018-01-08 | Carbon-based composite iron cyanamide material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810014738.1A CN108321370B (en) | 2018-01-08 | 2018-01-08 | Carbon-based composite iron cyanamide material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108321370A true CN108321370A (en) | 2018-07-24 |
| CN108321370B CN108321370B (en) | 2020-05-15 |
Family
ID=62893150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810014738.1A Active CN108321370B (en) | 2018-01-08 | 2018-01-08 | Carbon-based composite iron cyanamide material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321370B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817933A (en) * | 2019-01-29 | 2019-05-28 | 陕西科技大学 | A kind of carbon-based compound cyanamide iron material and preparation method thereof and use its sodium-ion battery as negative electrode material |
| CN110190263A (en) * | 2019-06-14 | 2019-08-30 | 陕西科技大学 | A kind of graphene oxide doped FeS composite nano materials and its preparation method and application |
| CN113023785A (en) * | 2021-02-25 | 2021-06-25 | 陕西科技大学 | Iron-carbon diimine nano material based on dense growth of carbon cloth and preparation method and application thereof |
| CN113130903A (en) * | 2021-04-14 | 2021-07-16 | 陕西科技大学 | Aluminum oxide coated iron cyanamide material prepared by sol-gel method and preparation method and application thereof |
| CN113224303A (en) * | 2021-05-08 | 2021-08-06 | 陕西科技大学 | Preparation method of iron cyanamide material for realizing graphitized carbon coating by in-situ autocatalysis |
| CN113224302A (en) * | 2021-05-08 | 2021-08-06 | 陕西科技大学 | Iron cyanamide material for realizing graphitized carbon coating by in-situ autocatalysis and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110070353A (en) * | 2009-12-18 | 2011-06-24 | 한국생산기술연구원 | Non-platinum cathode catalyst for polymer electrolyte membrane fuel cell and electrode manufacturing by cathode catalyst and membrane electrode assembly manufacturing by electrode |
| CN105294499A (en) * | 2015-04-29 | 2016-02-03 | 中国农业大学 | Preparation method for carbodiimide compounds |
| CN106145944A (en) * | 2015-04-01 | 2016-11-23 | 合肥杰事杰新材料股份有限公司 | A kind of high connductivity, heat conduction and high strength carbon material film and preparation method thereof |
| WO2016198550A1 (en) * | 2015-06-10 | 2016-12-15 | Centre National De La Recherche Scientifique | Metal carbodiimides and metal cyanamides as electrode materials |
| CN106587160A (en) * | 2016-03-28 | 2017-04-26 | 北京纳米能源与***研究所 | Carbodiimide compound, and preparation method and applications thereof |
| CN107001245A (en) * | 2014-11-04 | 2017-08-01 | 朗盛德国有限责任公司 | Novel carbodiimide, its production method and purposes |
-
2018
- 2018-01-08 CN CN201810014738.1A patent/CN108321370B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110070353A (en) * | 2009-12-18 | 2011-06-24 | 한국생산기술연구원 | Non-platinum cathode catalyst for polymer electrolyte membrane fuel cell and electrode manufacturing by cathode catalyst and membrane electrode assembly manufacturing by electrode |
| CN107001245A (en) * | 2014-11-04 | 2017-08-01 | 朗盛德国有限责任公司 | Novel carbodiimide, its production method and purposes |
| CN106145944A (en) * | 2015-04-01 | 2016-11-23 | 合肥杰事杰新材料股份有限公司 | A kind of high connductivity, heat conduction and high strength carbon material film and preparation method thereof |
| CN105294499A (en) * | 2015-04-29 | 2016-02-03 | 中国农业大学 | Preparation method for carbodiimide compounds |
| WO2016198550A1 (en) * | 2015-06-10 | 2016-12-15 | Centre National De La Recherche Scientifique | Metal carbodiimides and metal cyanamides as electrode materials |
| CN106587160A (en) * | 2016-03-28 | 2017-04-26 | 北京纳米能源与***研究所 | Carbodiimide compound, and preparation method and applications thereof |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109817933A (en) * | 2019-01-29 | 2019-05-28 | 陕西科技大学 | A kind of carbon-based compound cyanamide iron material and preparation method thereof and use its sodium-ion battery as negative electrode material |
| CN109817933B (en) * | 2019-01-29 | 2021-06-18 | 陕西科技大学 | Carbon-based composite iron cyanamide material, preparation method thereof and sodium ion battery adopting carbon-based composite iron cyanamide material as negative electrode material |
| CN110190263A (en) * | 2019-06-14 | 2019-08-30 | 陕西科技大学 | A kind of graphene oxide doped FeS composite nano materials and its preparation method and application |
| CN113023785A (en) * | 2021-02-25 | 2021-06-25 | 陕西科技大学 | Iron-carbon diimine nano material based on dense growth of carbon cloth and preparation method and application thereof |
| CN113130903A (en) * | 2021-04-14 | 2021-07-16 | 陕西科技大学 | Aluminum oxide coated iron cyanamide material prepared by sol-gel method and preparation method and application thereof |
| CN113130903B (en) * | 2021-04-14 | 2022-11-29 | 陕西科技大学 | Aluminum oxide coated iron cyanamide material prepared by sol-gel method and preparation method and application thereof |
| CN113224303A (en) * | 2021-05-08 | 2021-08-06 | 陕西科技大学 | Preparation method of iron cyanamide material for realizing graphitized carbon coating by in-situ autocatalysis |
| CN113224302A (en) * | 2021-05-08 | 2021-08-06 | 陕西科技大学 | Iron cyanamide material for realizing graphitized carbon coating by in-situ autocatalysis and application thereof |
| CN113224303B (en) * | 2021-05-08 | 2022-08-05 | 陕西科技大学 | Preparation method of iron cyanamide material for realizing graphitized carbon coating by in-situ autocatalysis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108321370B (en) | 2020-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108321370A (en) | Carbon-based compound cyanamide iron material of one kind and preparation method thereof | |
| Wang et al. | Gradient substitution: an intrinsic strategy towards high performance sodium storage in Prussian blue-based cathodes | |
| CN112349899B (en) | Silicon-based composite negative electrode material, preparation method thereof and lithium ion battery | |
| CN109817935B (en) | Composite iron-carbon diimine battery negative electrode material and preparation method thereof | |
| CN108565442B (en) | Preparation method of core-shell composite sulfide material | |
| CN105938904A (en) | Composite positive electrode material for sodium-ion battery and preparation method of composite positive electrode material | |
| CN108390032A (en) | A kind of preparation method of nitrogen-doped carbon composite transition metal carbodiimide | |
| CN110790322B (en) | Core-shell nickel ferrite and preparation method thereof, nickel ferrite @ C material and preparation method and application thereof | |
| CN109860593A (en) | A kind of Iron nickel sulphide and preparation method thereof and the sodium-ion battery that cathode is made of it | |
| CN103825019B (en) | A kind of ferroferric oxide/carbon composite and preparation method thereof and its application in lithium ion battery | |
| Wang et al. | Electrolytic silicon/graphite composite from SiO2/graphite porous electrode in molten salts as a negative electrode material for lithium-ion batteries | |
| CN110085847A (en) | Germanium/carbon composite cathode material of lithium ion battery and preparation method and application thereof | |
| CN108417795A (en) | A kind of preparation method of transition metal/transition metal carbodiimide composite material | |
| CN108428877A (en) | Nanometer Fe3O4@C In-situ reaction porous lithium ion cell negative materials and preparation method thereof | |
| CN114291796A (en) | Potassium ion battery negative electrode material and preparation method and application thereof | |
| CN106374102B (en) | A kind of preparation method of pyrophosphoric acid cobalt sodium and its application in sodium-ion battery | |
| CN108281627A (en) | A kind of lithium ion battery germanium carbon compound cathode materials and preparation method thereof | |
| CN115207344B (en) | Preparation of FexSey@CN composite material and electrochemical energy storage application thereof | |
| CN106920937A (en) | A kind of preparation method of electrode composite material | |
| CN114105117A (en) | Preparation method of precursor and nickel lithium iron phosphate cathode material | |
| CN110171828B (en) | FeS nano material based on carbon cloth directional growth and preparation method and application thereof | |
| CN105990566B (en) | Nickel oxide composite negative pole material and preparation method thereof | |
| CN102856547B (en) | Method for preparing reduction carbon nano tube coated lithium iron phosphate cathode material | |
| CN110061218A (en) | A kind of lithium phosphate cladding sulphur/carbon composite and its preparation method and application | |
| CN113896193B (en) | Surface modified exfoliated graphite as well as preparation method and application thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |