CN108417795A - A kind of preparation method of transition metal/transition metal carbodiimide composite material - Google Patents

A kind of preparation method of transition metal/transition metal carbodiimide composite material Download PDF

Info

Publication number
CN108417795A
CN108417795A CN201810124117.9A CN201810124117A CN108417795A CN 108417795 A CN108417795 A CN 108417795A CN 201810124117 A CN201810124117 A CN 201810124117A CN 108417795 A CN108417795 A CN 108417795A
Authority
CN
China
Prior art keywords
transition metal
carbodiimide
composite material
salt
mixture
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
Application number
CN201810124117.9A
Other languages
Chinese (zh)
Other versions
CN108417795B (en
Inventor
李嘉胤
郭鹏辉
王蓉
齐慧
苏江明
曹丽云
杨飞
席乔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi University of Science and Technology
Original Assignee
Shaanxi University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shaanxi University of Science and Technology filed Critical Shaanxi University of Science and Technology
Priority to CN201810124117.9A priority Critical patent/CN108417795B/en
Publication of CN108417795A publication Critical patent/CN108417795A/en
Application granted granted Critical
Publication of CN108417795B publication Critical patent/CN108417795B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01M10/054—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
    • H01M4/362—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
    • H01M4/60—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
    • 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

Inorganic transition metal salt and carbon containing nitrogen organic compound are obtained mixture by a kind of preparation method of transition metal/transition metal carbodiimide composite material after grinding, the quality of inorganic transition metal salt and carbon containing nitrogen organic compound is 4 in mixture:1‑1:7；Under an argon atmosphere by mixture, 30 60min are kept the temperature in 100 170 DEG C, 1h 5h is then kept the temperature at 500 700 DEG C, obtain transition metal/transition metal carbodiimide composite material.Transition metal material structure and nitrogen-doped carbon prepared by the present invention is compound, can be obviously improved electric conductivity and structural stability of the material in charge and discharge process.Transition metal/transition metal carbodiimide composite material prepared by the present invention has high sodium ion storage performance, and charge/discharge capacity is high and high rate performance is splendid.

Description

A kind of preparation method of transition metal/transition metal carbodiimide composite material
Technical field
The invention belongs to composite materials to synthesize field, and in particular to a kind of transition metal/transition metal carbodiimide is compound The preparation method of material.
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.Because 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, has significant advantage.Transition metal nitride is because of its low and flat charge and discharge Potential plateau, high reversible response characteristic and capacity it is big the features such as, caused the extensive concern of scientific worker.Transition metal Nitride is a kind of negative material for causing extensive concern.Carbon material usually has good electric conductivity and structural stability, therefore It for other active materials frequently as one of composition of composite material through providing support.If can in the synthesis of FeN materials with carbon Synchronous material progress is compound, then is expected to solve the problems, such as set forth above.Therefore, how while synthesizing FeN materials formed with Its compound carbon material is an important research contents.Carbodiimide transition metal salt (MNCN, M are transition metal) is a kind of Anode material of lithium-ion battery with high charge-discharge capacity potentiality, however the material is extremely severe due to being synthetically prepared condition requirement It carves, 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. If can one step of inventive technique directly to construct high conductivity material compound with it, to improve its electric conductivity, and by surface cladding come Alleviate the volume expansion occurred when embedded sodium ion and abjection, is then expected to promote the material answering in battery electrode material field With.
Invention content
The present invention is complicated for transition metal in the prior art/transition metal carbodiimide composite material synthesis step, closes The problems such as higher at cost, it is therefore intended that propose a kind of preparation method of transition metal/transition metal carbodiimide composite material, By carbon coating, it can effectively solve transition metal/transition metal carbodiimide volume expansion, while two kinds of materials are compounded in The reactivity for also improving battery is further improved, battery structure is made more to stablize, to improve the multiplying power of battery and follow Ring performance.
To achieve the above object, technical scheme is as follows：
A kind of preparation method of transition metal/transition metal carbodiimide composite material, includes the following steps：
1) by inorganic transition metal salt and carbon containing nitrogen organic compound, mixture is obtained after grinding, it is inorganic in mixture The quality of transition metal salt and carbon containing nitrogen organic compound is 4:1-1:7；
2) 30-60min under an argon atmosphere by mixture, is kept the temperature in 100-170 DEG C, 1h- is then kept the temperature at 500-700 DEG C 5h obtains transition metal/transition metal carbodiimide composite material.
The present invention, which further improves, to be, inorganic transition metal salt is zinc salt, chromic salts, manganese salt or silver salt, wherein zinc salt For arbitrary two kinds in zinc oxalate, zinc chloride, zinc acetate, zinc sulfate, chromic salts is arbitrary in chromic acetate, chromic nitrate, chromium chloride Two kinds, manganese salt is arbitrary two kinds in manganese salicylate, manganese acetate, manganese oxalate, and silver salt is in silver formate, silver nitrate, silver acetate Arbitrary two kinds.
The present invention, which further improves, to be, carbon containing nitrogen organic compound is urea, melamine, dicyandiamide, cyanamide, carbon Diimine, cyanuric acid or trithiocyanuric acid.
The present invention, which further improves, to be, with the rate of 2-20 DEG C/min from room temperature to 100-170 DEG C.
The present invention, which further improves, to be, 500-700 is warming up to from 100-170 DEG C with the heating rate of 2-20 DEG C/min ℃。
The present invention, which further improves, to be, heat preservation carries out in tube furnace.
Compared with prior art, the device have the advantages that：
1) present invention is made using carbon containing nitrogen organic compound and transition metal organic acid, inorganic transition metal salt as raw material Standby transition metal/transition metal carbodiimide composite material, the technology synthesis material is cheap, and preparation method is simple, can show Writing reduces the manufacturing cost of transition metal/transition metal carbodiimide composite material in prior art.
2) the transition metal material structure prepared by the present invention and nitrogen-doped carbon are compound, can be obviously improved material in charge and discharge Electric conductivity in the process and structural stability.
3) there is transition metal/transition metal carbodiimide composite material prepared by the present invention high sodium ion to store Performance, charge/discharge capacity is high and high rate performance is splendid.
Description of the drawings
Fig. 1 is the XRD diagram of product prepared by embodiment 1.
Fig. 2 is the scanning electron microscope (SEM) photograph of product prepared by embodiment 1.
Fig. 3 is the transmission electron microscope picture of product prepared by embodiment 1.
Fig. 4 is assembled into button cell for 1 resulting materials of embodiment and tests its anode material of lithium-ion battery performance map.
Fig. 5 is the XRD diagram of product prepared by embodiment 2.
Fig. 6 is the scanning electron microscope (SEM) photograph of product prepared by embodiment 2.
Fig. 7 is the transmission electron microscope picture of product prepared by embodiment 2.
Specific implementation mode
Present invention will now be described in detail with reference to the accompanying drawings..
1) take certain mass analytically pure inorganic transition metal salt (can be zinc salt, chromic salts, manganese salt or silver salt, wherein Zinc salt is arbitrary two kinds in zinc oxalate, zinc chloride, zinc acetate, zinc sulfate, and chromic salts is in chromic acetate, chromic nitrate, chromium chloride Arbitrary two kinds, manganese salt is arbitrary two kinds in manganese salicylate, manganese acetate, manganese oxalate, and silver salt is silver formate, silver nitrate, silver acetate In arbitrary two kinds), organic compound raw material (can be urea, melamine, dicyandiamide, cyanamide, carbodiimide, trimerization Cyanic acid, trithiocyanuric acid etc.), obtain mixture after mixed grinding in glass mortar, in mixture transition metal source with it is organic The quality of compound is than range from 4:1-1:7, which is denoted as A；
2) product A is placed in quartz or alumina crucible, and crucible is placed in tube furnace, under an argon atmosphere, with -2- The rate of 20 DEG C/min keeps the temperature 30-60min from room temperature to 100-170 DEG C, then proceedes to the heating of 2-20 DEG C/min Rate continues to keep being warming up to 500-700 DEG C, and keeps the temperature 1h-5h, and products therefrom is transition metal/transition metal carbodiimide Composite material.
Embodiment 1
1) analytically pure zinc oxalate, zinc sulfate and urea are fully ground in glass mortar and are formed uniformly mixture A, Wherein zinc oxalate and zinc sulfate are respectively 2.0g, urea 2.0g；
2) mixture A from mortar is transferred to silica crucible, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 170 DEG C are warming up to the rate of 25 DEG C/min, and keep the temperature 1.5h, then proceed to continue to keep with the heating rate of 2 DEG C/min 600 DEG C are warming up to, and keeps the temperature 1.5h, obtains product B.
Product B is analyzed using Rigaku D/max2000PCX- x ray diffractometer xs, the XRD of products therefrom is shown in attached drawing 1.It will The sample is observed under scanning electron microscope and transmission electron microscope, as can be seen that shell-like structure, knot is presented in product from Fig. 2 and Fig. 3 Structure surface has more polyhedral structure.The product of gained is prepared into button-shaped lithium ion battery, specific encapsulation step It is as follows：By activity powder, conductive agent (Super P), bonding agent (carboxyl methyl cellulose) is 8 according to mass ratio:1:1 proportioning After grinding uniformly, slurry is made, equably slurry is applied on copper foil with coating device, then in 80 DEG C of dryings of vacuum drying chamber 12h.Electrode slice is assembled into sodium ion half-cell later, constant current charge-discharge survey is carried out to battery using new prestige electrochemical workstation Resulting materials are assembled into button cell and test its anode material of lithium-ion battery by examination, test voltage 0.01V-3.0V Can, as shown in figure 4, battery presents the capacity of 700mAh/g under the current density of 100mA/g, under the current density of 5A/g The still capacity with 300mAh/g or more, it is seen that material has excellent high rate performance and charge/discharge capacity.
Embodiment 2
1) analytically pure chromic acetate, chromium chloride and melamine are fully ground in glass mortar and are formed uniformly mixing Object A, wherein chromic acetate 1g, chromium chloride 1g, melamine 2g；
2) mixture A from mortar is transferred to silica crucible, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 200 DEG C are warming up to the rate of 25 DEG C/min, and keep the temperature 10min, then proceed to the heating rate with 3 DEG C/min after continuation of insurance It holds and is warming up to 700 DEG C, and keep the temperature 1h, obtain product B.
Product B is analyzed using Rigaku D/max2000PCX- x ray diffractometer xs, the XRD of products therefrom is shown in attached drawing 5.It will The sample is observed under scanning electron microscope and transmission electron microscope, it can be seen from figures 6 and 7 that the multi-panel of accumulation is presented in product Body structure and polyhedron are grown on the carbon shell structure surface of thin layer.
Embodiment 3
1) it by inorganic transition metal salt and carbon containing nitrogen organic compound, is fully ground uniformly, obtains in glass mortar Mixture, the quality of inorganic transition metal salt and carbon containing nitrogen organic compound is 4 in mixture:1；Wherein, inorganic transition metal Salt is the mixture of silver formate and silver nitrate.Carbon containing nitrogen organic compound is melamine.
2) mixture is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 60min to 100 DEG C and is kept the temperature from room temperature with the rate of 2 DEG C/min, then proceedes to the heating rate liter with 2 DEG C/min Temperature is to 500 DEG C and keeps the temperature 5h, obtains transition metal/transition metal carbodiimide composite material.
Embodiment 4
1) it by inorganic transition metal salt and carbon containing nitrogen organic compound, is fully ground uniformly, obtains in glass mortar Mixture, the quality of inorganic transition metal salt and carbon containing nitrogen organic compound is 1 in mixture:7；Wherein, inorganic transition metal Salt is the mixture of chromic acetate and chromic nitrate.Carbon containing nitrogen organic compound is dicyandiamide.
2) mixture is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 50min to 120 DEG C and is kept the temperature from room temperature with the rate of 5 DEG C/min, then proceedes to the heating rate liter with 5 DEG C/min Temperature is to 700 DEG C and keeps the temperature 1h, obtains transition metal/transition metal carbodiimide composite material.
Embodiment 5
1) it by inorganic transition metal salt and carbon containing nitrogen organic compound, is fully ground uniformly, obtains in glass mortar Mixture, the quality of inorganic transition metal salt and carbon containing nitrogen organic compound is 2 in mixture:1；Wherein, inorganic transition metal Salt is the mixture of manganese salicylate and manganese oxalate.Carbon containing nitrogen organic compound is carbodiimide.
2) mixture is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 40min to 160 DEG C and is kept the temperature from room temperature with the rate of 8 DEG C/min, then proceedes to the heating rate liter with 13 DEG C/min Temperature is to 600 DEG C and keeps the temperature 3h, obtains transition metal/transition metal carbodiimide composite material.
Embodiment 6
1) it by inorganic transition metal salt and carbon containing nitrogen organic compound, is fully ground uniformly, obtains in glass mortar Mixture, the quality of inorganic transition metal salt and carbon containing nitrogen organic compound is 20 in mixture:7；Wherein, inorganic transition metal Salt is the mixture of zinc sulfate and zinc acetate.Carbon containing nitrogen organic compound is cyanuric acid.
2) mixture is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 40min to 150 DEG C and is kept the temperature from room temperature with the rate of 10 DEG C/min, is then proceeded to the heating rate of 17 DEG C/min It is warming up to 550 DEG C and keeps the temperature 4h, obtain transition metal/transition metal carbodiimide composite material.
Embodiment 7
1) it by inorganic transition metal salt and carbon containing nitrogen organic compound, is fully ground uniformly, obtains in glass mortar Mixture, the quality of inorganic transition metal salt and carbon containing nitrogen organic compound is 5 in mixture:7；Wherein, inorganic transition metal Salt is the mixture of manganese acetate and manganese oxalate.Carbon containing nitrogen organic compound is trithiocyanuric acid.
2) mixture is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 45min to 140 DEG C and is kept the temperature from room temperature with the rate of 15 DEG C/min, is then proceeded to the heating rate of 20 DEG C/min It is warming up to 650 DEG C and keeps the temperature 2h, obtain transition metal/transition metal carbodiimide composite material.
Embodiment 8
1) it by inorganic transition metal salt and carbon containing nitrogen organic compound, is fully ground uniformly, obtains in glass mortar Mixture, the quality of inorganic transition metal salt and carbon containing nitrogen organic compound is 24 in mixture:7；Wherein, inorganic transition metal Salt is the mixture of silver formate and silver acetate.Carbon containing nitrogen organic compound is cyanamide.
2) mixture is transferred to silica crucible from mortar, and silica crucible is placed in tube furnace, in argon gas atmosphere Under, 30min to 170 DEG C and is kept the temperature from room temperature with the rate of 20 DEG C/min, is then proceeded to the heating rate of 10 DEG C/min It is warming up to 700 DEG C and keeps the temperature 1h, obtain transition metal/transition metal carbodiimide composite material.

Claims (6)

1. a kind of preparation method of transition metal/transition metal carbodiimide composite material, which is characterized in that including following step Suddenly：
1) by inorganic transition metal salt and carbon containing nitrogen organic compound, mixture is obtained after grinding, inorganic transition in mixture The quality of metal salt and carbon containing nitrogen organic compound is 4:1-1:7；
2) 30-60min under an argon atmosphere by mixture, is kept the temperature in 100-170 DEG C, 1h-5h is then kept the temperature at 500-700 DEG C, Obtain transition metal/transition metal carbodiimide composite material.
2. a kind of preparation method of transition metal according to claim 1/transition metal carbodiimide composite material, special Sign is, inorganic transition metal salt is zinc salt, chromic salts, manganese salt or silver salt, wherein zinc salt be zinc oxalate, zinc chloride, zinc acetate, Arbitrary two kinds in zinc sulfate, chromic salts is arbitrary two kinds in chromic acetate, chromic nitrate, chromium chloride, and manganese salt is manganese salicylate, acetic acid Arbitrary two kinds in manganese, manganese oxalate, silver salt is arbitrary two kinds in silver formate, silver nitrate, silver acetate.
3. a kind of preparation method of transition metal according to claim 1/transition metal carbodiimide composite material, special Sign is that carbon containing nitrogen organic compound is urea, melamine, dicyandiamide, cyanamide, carbodiimide, cyanuric acid or three polysulfides Cyanic acid.
4. a kind of preparation method of transition metal according to claim 1/transition metal carbodiimide composite material, special Sign is, with the rate of 2-20 DEG C/min from room temperature to 100-170 DEG C.
5. a kind of preparation method of transition metal according to claim 1/transition metal carbodiimide composite material, special Sign is, 500-700 DEG C is warming up to from 100-170 DEG C with the heating rate of 2-20 DEG C/min.
6. a kind of preparation method of transition metal according to claim 1/transition metal carbodiimide composite material, special Sign is that heat preservation carries out in tube furnace.
CN201810124117.9A 2018-02-07 2018-02-07 Preparation method of transition metal/transition metal carbodiimide composite material Active CN108417795B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810124117.9A CN108417795B (en) 2018-02-07 2018-02-07 Preparation method of transition metal/transition metal carbodiimide composite material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810124117.9A CN108417795B (en) 2018-02-07 2018-02-07 Preparation method of transition metal/transition metal carbodiimide composite material

Publications (2)

Publication Number Publication Date
CN108417795A true CN108417795A (en) 2018-08-17
CN108417795B CN108417795B (en) 2020-11-27

Family

ID=63127964

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810124117.9A Active CN108417795B (en) 2018-02-07 2018-02-07 Preparation method of transition metal/transition metal carbodiimide composite material

Country Status (1)

Country Link
CN (1) CN108417795B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817935A (en) * 2019-01-31 2019-05-28 陕西科技大学 A kind of compound iron carbodiimide cell negative electrode material and preparation method thereof
CN111129456A (en) * 2019-12-18 2020-05-08 西安工业大学 Co-doped FeNCN/C and preparation method and application thereof
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
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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045116A (en) * 2014-06-12 2014-09-17 江苏大学 Preparation method of nano porous metal oxide/carbon lithium ion battery cathode material
EP3104437A1 (en) * 2015-06-10 2016-12-14 Centre National De La Recherche Scientifique Metal carbodiimides and metal cyanamides as electrode materials
CN106587160A (en) * 2016-03-28 2017-04-26 北京纳米能源与系统研究所 Carbodiimide compound, and preparation method and applications thereof
CN106783236A (en) * 2017-02-20 2017-05-31 青岛科技大学 A kind of N doping graphitized carbon/transition metal oxide nano composite material and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104045116A (en) * 2014-06-12 2014-09-17 江苏大学 Preparation method of nano porous metal oxide/carbon lithium ion battery cathode material
EP3104437A1 (en) * 2015-06-10 2016-12-14 Centre National De La Recherche Scientifique Metal carbodiimides and metal cyanamides as electrode materials
CN106587160A (en) * 2016-03-28 2017-04-26 北京纳米能源与系统研究所 Carbodiimide compound, and preparation method and applications thereof
CN106783236A (en) * 2017-02-20 2017-05-31 青岛科技大学 A kind of N doping graphitized carbon/transition metal oxide nano composite material and preparation method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109817935A (en) * 2019-01-31 2019-05-28 陕西科技大学 A kind of compound iron carbodiimide cell negative electrode material and preparation method thereof
CN109817935B (en) * 2019-01-31 2021-10-29 陕西科技大学 Composite iron-carbon diimine battery negative electrode material and preparation method thereof
CN111129456A (en) * 2019-12-18 2020-05-08 西安工业大学 Co-doped FeNCN/C and preparation method and application thereof
CN111129456B (en) * 2019-12-18 2022-06-24 西安工业大学 Co-doped FeNCN/C and preparation method and application thereof
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
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

Also Published As

Publication number Publication date
CN108417795B (en) 2020-11-27

Similar Documents

Publication Publication Date Title
CN108390032A (en) A kind of preparation method of nitrogen-doped carbon composite transition metal carbodiimide
CN108417795A (en) A kind of preparation method of transition metal/transition metal carbodiimide composite material
CN103904321B (en) The high-temperature solid phase preparation method of lithium ion battery negative material LiMn2O4
CN107093739B (en) Potassium manganese oxide for potassium ion battery anode material and preparation method thereof
CN107452951A (en) XS2@YSe2The preparation method of the anode material of lithium-ion battery of core shell structure
CN108565442B (en) Preparation method of core-shell composite sulfide material
CN108321370A (en) Carbon-based compound cyanamide iron material of one kind and preparation method thereof
CN104241642B (en) Lithium molybdate negative material of lithium ion battery and preparation method thereof
CN111769272A (en) Bi @ C hollow nanosphere composite material and preparation method and application thereof
CN105742601A (en) Method for in-situ synthesis of carbon coated-hydrated V3O7 nanobelt and lithium ion battery
CN104393293A (en) Positive pole lithium iron phosphate/carbon composite material for low-temperature battery and preparation method of composite material
CN106629665A (en) Sulfur-doped hard carbon nanosheet prepared via molten salt method and application hereof in sodium ion batteries
CN104852019A (en) Lithium ion battery silicon metal composite negative electrode material and preparation method thereof
CN112038614B (en) Negative electrode material for sodium ion battery and preparation method thereof
CN108417803A (en) A kind of N doping hollow carbon sphere composite material and preparation method and application
CN107317013A (en) A kind of positive electrode of sodium-sulfur cell material and preparation method thereof
CN115763715A (en) Bi x Se y /C composite material, preparation method and application thereof, and method for regulating bismuth-selenium atomic ratio of composite material
CN105514375A (en) Carbon-coated Na0.55 Mn2O4.1.5H2O nanocomposite and preparation method thereof
CN103165890A (en) Method for preparing lithium vanadium phosphate through sol-gel self-propagating combustion method
CN106410180A (en) Lithium ion battery positive pole material, and preparation method and application thereof
CN103579599A (en) Preparation method of yttrium-containing lithium ion battery cathode material lithium titanate carbon-coated composite material
CN109768269B (en) Nitrogen-sulfur double-doped porous carbon-coated tin dioxide composite material, preparation method and application
CN114975984B (en) Preparation method of porous core-shell structure nickel-rich cathode material
CN114597370A (en) Sodium-ion battery positive electrode material with stable air, high voltage and long cycle life and preparation method thereof
CN113314711A (en) High-nickel ternary lithium ion battery positive electrode material and preparation method 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