CN105244486A - Carbon-coated vanadium-containing composite and preparation method thereof - Google Patents
Carbon-coated vanadium-containing composite and preparation method thereof Download PDFInfo
- Publication number
- CN105244486A CN105244486A CN201510764804.3A CN201510764804A CN105244486A CN 105244486 A CN105244486 A CN 105244486A CN 201510764804 A CN201510764804 A CN 201510764804A CN 105244486 A CN105244486 A CN 105244486A
- Authority
- CN
- China
- Prior art keywords
- carbon
- composite material
- coated
- containing vanadium
- conductive agent
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to the field of material metallurgy, and particularly relates to a carbon-coated vanadium-containing composite and a preparation method thereof. The preparation method includes the steps that a, a liquid conductive agent is prepared, wherein a pre-added conductive agent is dissolved in solvent, stirring is conducted, the solution pH value is regulated, and the liquid conductive agent is obtained; b, a composite precursor is prepared, wherein the liquid conductive agent is added to a vanadium-containing solution, precipitator is added, the solution pH value is regulated, heating and precipitating are conducted, and the carbon-coated vanadium-containing composite precursor is prepared; c, the carbon-coated vanadium-containing composite is prepared, wherein the carbon-coated vanadium-containing composite precursor is baked for 1-2 h at the temperature of 300-400 DEG C and is then baked for 2-4 h at the temperature of 700-800 DEG C to obtain the carbon-coated vanadium-containing composite. The preparation method is simple, the problem that in the prior art, the mechanical grinding time is long is solved, and even mixing under the molecule scale is achieved.
Description
Technical field
The invention belongs to material field of metallurgy, it is coated containing vanadium composite material and preparation method thereof to be specifically related to a kind of carbon.
Background technology
Material is the basis of scientific technological advance, the large class new material that composite material gets up as latest development, creates great impetus to the development of science and technology.Particularly remarkable on the impact of Aero-Space cause.The development of composite material is very rapid in recent decades.From the macrocomposite occurred the earliest, as the concrete that cement and sandstone, reinforcing bar are composited, the microcomposite to growing up subsequently: Polymers, Metal Substrate and Inorganic Non-metallic Materials based composites.Occur as various advanced composite material (ACM) and technology of preparing thereof spring up like bamboo shoots after a spring rain, meanwhile, along with the development of science and technology, particularly the advancing by leaps and bounds of most advanced branches of science technology, more and more higher to the performance requirement of material, thus higher requirement be it is also proposed to composite material.
Wherein, in fields such as space flight, automobile, batteries, low cost, high performance composite material will more and more be paid attention to, and Future Development potentiality are also very huge, and current many new technologies are also just under development.Carbon is coated containing vanadium composite material, and the series of advantages such as conductivity is good owing to having, insertion type layer structure, good resistance to acids and bases, can be widely used in electrochemical energy storage field.After mixing high-temperature roasting mutually with lithium salts, as the positive electrode of lithium rechargeable battery, or directly as the negative material of battery, the electrode material of fake capacitance Faradic electricity container; Utilize its layer structure feature, can with various lithium salts, carry out doping vario-property process, prepare different composite materials; Can also be applied to desulphurization and denitration field, purposes is very extensive.
At present, the coated method containing vanadium composite material of carbon is produced in industrialization is high temperature process heat method.Take vanadic oxide as vanadium source, carbonaceous organic material is additive, after long-time mechanical lapping, carries out high temperature solid-state roasting, carbonaceous organic material is volatilized, thus completes the coated behavior to vanadic oxide particle, produces and obtains composite material.Said method, mixes the preparation of presoma, is to utilize that mechanical energy makes vanadium source, carbon source mixes.There is following shortcoming: mechanical polishing time is long; Under molecular scale, uniformity is difficult to ensure.
Summary of the invention
First technical problem to be solved by this invention is to provide one and prepares uniform particles, the coated method containing vanadium composite material of carbon of good performance.
The coated preparation method containing vanadium composite material of carbon of the present invention, comprises the following steps:
The preparation of a, liquid conductive agent: according to mass ratio 0.5 ~ 1.5:0.5 ~ 1.5, dissolving adding conductive agent in advance in a solvent, stirring, regulating solution ph to be 3 ~ 5, obtain liquid conductive agent;
Prepared by b, composite material precursor: according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:0.5 ~ 1.5 to containing in vanadium solution, subsequently according to weight ratio, add precipitation reagent: content of vanadium=0.5 ~ 1.5:0.5 ~ 1.5, solution ph is regulated to be 1 ~ 3, be heated to 90 ~ 95 DEG C, precipitation 50 ~ 70min, obtained carbon is coated containing vanadium composite material precursor;
C, carbon are coated containing the preparation of vanadium composite material: carbon b step prepared is coated containing vanadium composite material precursor, and at 300 ~ 400 DEG C, carry out first paragraph preroast, roasting time is 1 ~ 2h; Subsequently, at 700 ~ 800 DEG C, carry out second segment roasting, roasting time is 2 ~ 4h, obtains carbon coated containing vanadium composite material.
Further, as preferred technical scheme, the coated preparation method containing vanadium composite material of carbon described above, wherein in a step according to mass ratio, add conductive agent in advance: solvent=1:1.
The coated preparation method containing vanadium composite material of carbon described above, wherein adding conductive agent is in advance at least one in polypyrrole, carbon fiber, Graphene, acetylene black; Solvent is at least one in hydrogen peroxide, ethanol or glacial acetic acid.
Further, as preferred technical scheme, pre-interpolation conductive agent described above is preferably polypyrrole; Solvent is preferably glacial acetic acid.
The coated preparation method containing vanadium composite material of carbon described above, the concentration wherein containing vanadium solution is 0.14 ~ 0.22mol/L.
Further, as preferred technical scheme, the coated preparation method containing vanadium composite material of carbon described above, wherein in b step according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:1, subsequently according to weight ratio, add precipitation reagent: content of vanadium=1:1 to containing in vanadium solution, adjust ph is 2, thermal precipitation 60min.
The coated preparation method containing vanadium composite material of carbon described above, wherein precipitation reagent is at least one in ammonium sulfate, carbonic hydroammonium or ammonium carbonate.
Further, as preferred technical scheme, the coated preparation method containing vanadium composite material of carbon described above, wherein in step c, the first pre-calcination temperature is preferably 350 DEG C.
Second technical problem to be solved by this invention is to provide a kind of uniform particles, and carbon of good performance is coated containing vanadium composite material.
Carbon prepared by preparation method described above is coated containing vanadium composite material, is prepared from by following methods step:
The preparation of a, liquid conductive agent: according to mass ratio 0.5 ~ 1.5:0.5 ~ 1.5, dissolving adding conductive agent in advance in a solvent, stirring, regulating solution ph to be 3 ~ 5, obtain liquid conductive agent;
Prepared by b, composite material precursor: according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:0.5 ~ 1.5 to containing in vanadium solution, subsequently according to weight ratio, add precipitation reagent: content of vanadium=0.5 ~ 1.5:0.5 ~ 1.5, solution ph is regulated to be 1 ~ 3, be heated to 90 ~ 95 DEG C, precipitation 50 ~ 70min, obtained carbon is coated containing vanadium composite material precursor;
C, carbon are coated containing the preparation of vanadium composite material: carbon b step prepared is coated containing vanadium composite material precursor, and at 300 ~ 400 DEG C, carry out first paragraph preroast, roasting time is 1 ~ 2h; Subsequently, at 700 ~ 800 DEG C, carry out second segment roasting, roasting time is 2 ~ 4h, obtains carbon coated containing vanadium composite material.
Carbon described above is coated containing vanadium composite material, and wherein adding conductive agent is in advance at least one in polypyrrole, carbon fiber, Graphene, acetylene black; Solvent is at least one in hydrogen peroxide, ethanol or glacial acetic acid.
Carbon described above is coated containing vanadium composite material, and wherein said pre-interpolation conductive agent is preferably polypyrrole; Solvent is preferably glacial acetic acid.
Carbon described above is coated containing vanadium composite material, and wherein precipitation reagent is at least one in ammonium sulfate, carbonic hydroammonium or ammonium carbonate.
The present invention prepares carbon clad composite material, utilize liquid phase to mix and produce presoma, the method of the solid phase that continues roasting, the carbon of preparation is coated, and containing vanadium composite material, to have grain forming even, functional, it is for electrochemical energy storage field, has the series of advantages such as conductivity is good, insertion type layer structure, good resistance to acids and bases, also can be used as the positive electrode of lithium ion battery.Its preparation method is simple, avoids the problem that in prior art, mechanical polishing time is long, reaches the Homogeneous phase mixing under molecular scale.
Embodiment
The coated preparation method containing vanadium composite material of carbon of the present invention, comprises the following steps:
The preparation of a, liquid conductive agent: according to mass ratio 0.5 ~ 1.5:0.5 ~ 1.5, dissolving adding conductive agent in advance in a solvent, stirring, regulating solution ph to be 3 ~ 5, obtain liquid conductive agent;
Prepared by b, composite material precursor: according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:0.5 ~ 1.5 to containing in vanadium solution, subsequently according to weight ratio, add precipitation reagent: content of vanadium=0.5 ~ 1.5:0.5 ~ 1.5, solution ph is regulated to be 1 ~ 3, be heated to 90 ~ 95 DEG C, precipitation 50 ~ 70min, obtained carbon is coated containing vanadium composite material precursor;
C, carbon are coated containing the preparation of vanadium composite material: carbon b step prepared is coated containing vanadium composite material precursor, and at 300 ~ 400 DEG C, carry out first paragraph preroast, roasting time is 1 ~ 2h; Subsequently, at 700 ~ 800 DEG C, carry out second segment roasting, roasting time is 2 ~ 4h, obtains carbon coated containing vanadium composite material.
Further, as preferred technical scheme, the coated preparation method containing vanadium composite material of carbon described above, wherein in a step according to mass ratio, add conductive agent in advance: solvent=1:1.
The coated preparation method containing vanadium composite material of carbon described above, wherein adding conductive agent is in advance at least one in polypyrrole, carbon fiber, Graphene, acetylene black; Solvent is at least one in hydrogen peroxide, ethanol or glacial acetic acid.
Further, due to the good conductivity of polypyrrole, in the lithium ion battery course of work, to synthesized material, there is the effect of protection, so pre-interpolation conductive agent described above is preferably polypyrrole.
Further, because glacial acetic acid is good especially to the dissolubility of polypyrrole, its reaction afterproduct cleans, cheap, can not impact, so solvent is preferably glacial acetic acid to environment.
The coated preparation method containing vanadium composite material of carbon described above, the concentration wherein containing vanadium solution is 0.14 ~ 0.22mol/L.
Further, as preferred technical scheme, the coated preparation method containing vanadium composite material of carbon described above, wherein in b step according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:1, subsequently according to weight ratio, add precipitation reagent: content of vanadium=1:1 to containing in vanadium solution, adjust ph is 2, thermal precipitation 60min.
The coated preparation method containing vanadium composite material of carbon described above, wherein precipitation reagent is at least one in ammonium sulfate, carbonic hydroammonium or ammonium carbonate.
Further, as preferred technical scheme, the coated preparation method containing vanadium composite material of carbon described above, wherein in step c, the first pre-calcination temperature is preferably 350 DEG C.
Carbon prepared by preparation method described above is coated containing vanadium composite material, is prepared from by following methods step:
The preparation of a, liquid conductive agent: according to mass ratio 0.5 ~ 1.5:0.5 ~ 1.5, dissolving adding conductive agent in advance in a solvent, stirring, regulating solution ph to be 3 ~ 5, obtain liquid conductive agent;
Prepared by b, composite material precursor: according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:0.5 ~ 1.5 to containing in vanadium solution, subsequently according to weight ratio, add precipitation reagent: content of vanadium=0.5 ~ 1.5:0.5 ~ 1.5, solution ph is regulated to be 1 ~ 3, be heated to 90 ~ 95 DEG C, precipitation 50 ~ 70min, obtained carbon is coated containing vanadium composite material precursor;
C, carbon are coated containing the preparation of vanadium composite material: carbon b step prepared is coated containing vanadium composite material precursor, and at 300 ~ 400 DEG C, carry out first paragraph preroast, roasting time is 1 ~ 2h; Subsequently, at 700 ~ 800 DEG C, carry out second segment roasting, roasting time is 2 ~ 4h, obtains carbon coated containing vanadium composite material.
Carbon described above is coated containing vanadium composite material, and wherein adding conductive agent is in advance at least one in polypyrrole, carbon fiber, Graphene, acetylene black; Solvent is at least one in hydrogen peroxide, ethanol or glacial acetic acid.
Carbon described above is coated containing vanadium composite material, and wherein said pre-interpolation conductive agent is preferably polypyrrole; Solvent is preferably glacial acetic acid.
Carbon described above is coated containing vanadium composite material, and wherein precipitation reagent is at least one in ammonium sulfate, carbonic hydroammonium or ammonium carbonate.
Roasting of the present invention does not need particular surroundings, just passable in air atmosphere; Wherein the object of first paragraph roasting removes the coated gas contained in vanadium composite material precursor of carbon, so the roasting time used is relatively short; The object of second segment roasting, is that the organic phase in presoma is volatilized, completes the coated behavior of the carbon of vanadic oxide ion.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
Embodiment 1
Normal temperature 25 DEG C, under stirring condition, 5g polypyrrole is dissolved in 5g hydrogen peroxide, stirs 1h, use sulfuric acid solution to regulate its pH value to be 3.The solution of TV concentration 30g/L, adds liquid conductive additive, adds 30g, ammonium sulfate, regulates solution ph to be 2, heated solution to 95 degree Celsius, reaction 60min, Separation of Solid and Liquid, produces that to obtain carbon coated containing vanadium composite material precursor, this presoma is put into baking furnace, under air atmosphere condition, 350 DEG C of roasting 1h, are warming up to 700 DEG C subsequently, roasting 4h, preparation draws the coated vanadium based composites of carbon.
Embodiment 2
Normal temperature 25 DEG C, under stirring condition, 8g polypyrrole is dissolved in 8g hydrogen peroxide, stirs 1h, use sulfuric acid solution to regulate its pH value to be 3.The solution of TV concentration 30g/L, adds liquid conductive additive, adds 30g, ammonium sulfate, regulates solution ph to be 2, heated solution to 95 degree Celsius, reaction 60min, Separation of Solid and Liquid, produces that to obtain carbon coated containing vanadium composite material precursor, this presoma is put into baking furnace, under air atmosphere condition, 350 DEG C of roasting 1h, are warming up to 750 DEG C subsequently, roasting 3h, preparation draws the coated vanadium based composites of carbon.
Embodiment 3
Normal temperature 25 DEG C, under stirring condition, 10g polypyrrole is dissolved in 10g hydrogen peroxide, stirs 1.5h, use sulfuric acid solution to regulate its pH value to be 3.The solution of TV concentration 30g/L, adds liquid conductive additive, adds 30g, ammonium sulfate, regulates solution ph to be 2, heated solution to 95 degree Celsius, reaction 60min, Separation of Solid and Liquid, produces that to obtain carbon coated containing vanadium composite material precursor, this presoma is put into baking furnace, under air atmosphere condition, 350 DEG C of roasting 1h, are warming up to 800 DEG C subsequently, roasting 2h, preparation draws the coated vanadium based composites of carbon.
Claims (10)
1. the coated preparation method containing vanadium composite material of carbon, is characterized in that: comprise the following steps:
The preparation of a, liquid conductive agent: according to mass ratio 0.5 ~ 1.5:0.5 ~ 1.5, dissolving adding conductive agent in advance in a solvent, stirring, regulating solution ph to be 3 ~ 5, obtain liquid conductive agent;
Prepared by b, composite material precursor: according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:0.5 ~ 1.5 to containing in vanadium solution, subsequently according to weight ratio, add precipitation reagent: content of vanadium=0.5 ~ 1.5:0.5 ~ 1.5, solution ph is regulated to be 1 ~ 3, be heated to 90 ~ 95 DEG C, precipitation 50 ~ 70min, obtained carbon is coated containing vanadium composite material precursor;
C, carbon are coated containing the preparation of vanadium composite material: carbon b step prepared is coated containing vanadium composite material precursor, and at 300 ~ 400 DEG C, carry out first paragraph preroast, roasting time is 1 ~ 2h; Subsequently, at 700 ~ 800 DEG C, carry out second segment roasting, roasting time is 2 ~ 4h, obtains carbon coated containing vanadium composite material.
2. the coated preparation method containing vanadium composite material of carbon according to claim 1, is characterized in that: according to mass ratio in a step, add conductive agent in advance: solvent=1:1.
3. the coated preparation method containing vanadium composite material of carbon according to claim 1 or 2, is characterized in that: pre-interpolation conductive agent is at least one in polypyrrole, carbon fiber, Graphene, acetylene black, is preferably polypyrrole; Solvent is at least one in hydrogen peroxide, ethanol or glacial acetic acid, is preferably glacial acetic acid.
4. the coated preparation method containing vanadium composite material of carbon according to claim 1, is characterized in that: the concentration containing vanadium solution is 0.14 ~ 0.22mol/L.
5. the coated preparation method containing vanadium composite material of carbon according to claim 1, it is characterized in that: according to volume ratio in b step, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:1 to containing in vanadium solution, subsequently according to weight ratio, add precipitation reagent: content of vanadium=1:1, adjust ph is 2, thermal precipitation 60min.
6. the coated preparation method containing vanadium composite material of carbon according to claim 5, is characterized in that: precipitation reagent is at least one in ammonium sulfate, carbonic hydroammonium or ammonium carbonate.
7. the coated preparation method containing vanadium composite material of carbon according to claim 1, is characterized in that: in step c, the first pre-calcination temperature is 350 DEG C.
8. the carbon that described in any one of claim 1 ~ 7 prepared by preparation method is coated containing vanadium composite material, it is characterized in that: be prepared from by following methods step:
The preparation of a, liquid conductive agent: according to mass ratio 0.5 ~ 1.5:0.5 ~ 1.5, dissolving adding conductive agent in advance in a solvent, stirring, regulating solution ph to be 3 ~ 5, obtain liquid conductive agent;
Prepared by b, composite material precursor: according to volume ratio, the liquid conductive agent obtained in step a is added: containing vanadium solution=0.1:0.5 ~ 1.5 to containing in vanadium solution, subsequently according to weight ratio, add precipitation reagent: content of vanadium=0.5 ~ 1.5:0.5 ~ 1.5, solution ph is regulated to be 1 ~ 3, be heated to 90 ~ 95 DEG C, precipitation 50 ~ 70min, obtained carbon is coated containing vanadium composite material precursor;
C, carbon are coated containing the preparation of vanadium composite material: carbon b step prepared is coated containing vanadium composite material precursor, and at 300 ~ 400 DEG C, carry out first paragraph preroast, roasting time is 1 ~ 2h; Subsequently, at 700 ~ 800 DEG C, carry out second segment roasting, roasting time is 2 ~ 4h, obtains carbon coated containing vanadium composite material.
9. carbon is coated containing vanadium composite material according to claim 8, it is characterized in that: pre-interpolation conductive agent is at least one in polypyrrole, carbon fiber, Graphene, acetylene black, is preferably polypyrrole; Solvent is at least one in hydrogen peroxide, ethanol or glacial acetic acid, is preferably glacial acetic acid.
10. carbon is coated containing vanadium composite material according to claim 8, it is characterized in that: precipitation reagent is at least one in ammonium sulfate, carbonic hydroammonium or ammonium carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764804.3A CN105244486B (en) | 2015-11-11 | 2015-11-11 | Carbon coating composite containing vanadium and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764804.3A CN105244486B (en) | 2015-11-11 | 2015-11-11 | Carbon coating composite containing vanadium and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105244486A true CN105244486A (en) | 2016-01-13 |
| CN105244486B CN105244486B (en) | 2017-12-15 |
Family
ID=55042045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510764804.3A Active CN105244486B (en) | 2015-11-11 | 2015-11-11 | Carbon coating composite containing vanadium and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105244486B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822415A (en) * | 2006-01-19 | 2006-08-23 | 同济大学 | Nano composite lithium ion cell cathode material and its preparing method |
| CN102517639A (en) * | 2011-11-18 | 2012-06-27 | 武汉大学 | Preparation method of ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material |
| JP2013077377A (en) * | 2011-09-29 | 2013-04-25 | Fuji Heavy Ind Ltd | Modified phosphoric acid vanadium lithium carbon complex, method of manufacturing the same, lithium secondary battery positive electrode active material and lithium secondary battery |
| CN103553131A (en) * | 2013-10-29 | 2014-02-05 | 黑龙江大学 | Preparation method of lithium ion battery negative electrode spherical V2O3/C composite material with multilevel structure |
-
2015
- 2015-11-11 CN CN201510764804.3A patent/CN105244486B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1822415A (en) * | 2006-01-19 | 2006-08-23 | 同济大学 | Nano composite lithium ion cell cathode material and its preparing method |
| JP2013077377A (en) * | 2011-09-29 | 2013-04-25 | Fuji Heavy Ind Ltd | Modified phosphoric acid vanadium lithium carbon complex, method of manufacturing the same, lithium secondary battery positive electrode active material and lithium secondary battery |
| CN102517639A (en) * | 2011-11-18 | 2012-06-27 | 武汉大学 | Preparation method of ribbon carbon-enwrapped V2O3, VO2 and VC core-shell material |
| CN103553131A (en) * | 2013-10-29 | 2014-02-05 | 黑龙江大学 | Preparation method of lithium ion battery negative electrode spherical V2O3/C composite material with multilevel structure |
Non-Patent Citations (1)
| Title |
|---|
| 任祥忠等: "复合方式对V2O5/PPy的结构及电化学性能的影响", 《高分子材料科学与工程》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105244486B (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Zhang et al. | Sustainable and facile method for the selective recovery of lithium from cathode scrap of spent LiFePO4 batteries | |
| Zhou et al. | Pyrometallurgical technology in the recycling of a spent lithium ion battery: evolution and the challenge | |
| CN103109399B (en) | A kind of containing lithium salts-graphene composite material and preparation method thereof | |
| CN103730638B (en) | A kind of preparation method of nitrogen-doped carbon material | |
| CN103413924B (en) | A kind of La 1-xca xcoO 3coated lithium ion battery LiNi 1/3co 1/3mn 1/3o 2positive electrode and preparation method thereof | |
| CN105118967A (en) | Metallic oxide-coated modified doped ternary anode material and preparation method thereof | |
| KR101684082B1 (en) | Lithium cathode active materials, anode active materials coated with polymer and lithiumsecondary battery using the same, and preparation method thereof | |
| CN102820461A (en) | Method for preparing carbon-coated nano-lithium titanate by ethylene diamine tetraacetic acid-citric acid (EDTA-CA) joint complexation | |
| CN103682244B (en) | A kind of surface coating method of lithium ion battery electrode material | |
| CN102208610A (en) | Preparation method of carbon coated MnO cathode material | |
| CN104752693A (en) | Preparation method for lithium ion battery anode material lithium iron phosphate/graphene compound | |
| CN102769138A (en) | Method for synthesizing manganese phosphate lithium sol-gel doped with other metal ions | |
| CN107464924A (en) | A kind of sheet oxygen defect lithium vanadate anode material and preparation method thereof | |
| CN107611374A (en) | A kind of preparation method of new lithium sulfur battery anode material | |
| CN105742629A (en) | In-situ preparation method of positive electrode material lithium iron phosphate/graphene compound for lithium-ion battery | |
| CN105470468A (en) | Fluorine-doped lithium ferric manganese phosphate cathode material and preparation method thereof | |
| CN106602023A (en) | Method for in-situ synthesis of graphite phase carbon nitride-copper oxide composite material | |
| CN102916168A (en) | Modification method of artificial graphite | |
| CN102931407A (en) | Method for modifying natural graphite | |
| CN102244244A (en) | Method for improving tap density of composite anode material xLiFePO4.yLi3V2(PO4)3 of lithium ion battery | |
| CN105304882A (en) | Preparation method of lithium-sulfur battery cathode material, lithium-sulfur battery cathode material and battery | |
| CN105244503A (en) | Method for preparing graphene-grading-modification spherical sodium-ion battery electrode material | |
| CN112447971B (en) | Positive electrode material additive, active material, positive electrode material, preparation of positive electrode material and application of positive electrode material in lithium ion battery | |
| CN105322161A (en) | Carbon-supported lithium vanadate and preparation method and application thereof | |
| CN102683702B (en) | Preparation method of lithium iron phosphate with surface being uniformly coated by carbon |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |