CN108400329A - A kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material - Google Patents

A kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material Download PDF

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CN108400329A
CN108400329A CN201810091299.4A CN201810091299A CN108400329A CN 108400329 A CN108400329 A CN 108400329A CN 201810091299 A CN201810091299 A CN 201810091299A CN 108400329 A CN108400329 A CN 108400329A
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salt
simple substance
electrode material
precious metal
substrate
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方东
鲍瑞
易健宏
李秀娟
李才巨
游昕
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Kunming University of Science and Technology
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/5825Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • YGENERAL 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
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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The present invention relates to a kind of preparation methods of precious metal simple substance adulterated vanadate nano-electrode material, belong to nanometer material and electrochemical technology field.Metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are dissolved in deionized water by a certain percentage, ultrasonic dissolution obtains presoma, presoma is moved into the autoclave containing substrate and carries out hydro-thermal reaction, there is the substrate of vanadate nano wire to clean load after reaction, it is dry, there is the substrate of vanadate nano wire to be immersed in soluble precious-metal salting liquid at 10 100 DEG C load later, takes out, cleans, is dry, finally using H again2High temperature reduction method under atmosphere, the precious metal ion being inserted into vanadic acid salt deposit by ion exchange is reduced to precious metal simple substance, obtain a kind of precious metal simple substance adulterated vanadate nano-electrode material, preparation process of the present invention is simple, reaction condition is mild and the reaction time is short, overall process non-secondary pollution object generates, and the electrode material of preparation has excellent chemical property.

Description

A kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material
Technical field
The present invention relates to a kind of preparation methods of precious metal simple substance adulterated vanadate nano-electrode material, belong to nano material With electrochemical technology field
Technical background
In recent years, due to economic sustained and rapid development, market is greatly have stimulated to changes such as coal, oil, natural gases The demand of the stone energy.Up to now, more and more big environmental pollution and the energy weary pressure of hideing are increasingly prominent, find new replace It is increasingly urgent for the energy, development energy conservation and environmental protection tool.Therefore, development new energy is to realize sustainable economic development, is solved increasingly The effective way of serious environmental pollution.Wherein, lithium ion battery is especially noticeable due to unique superiority, such as ring The advantages that border close friend, high-energy density, operating temperature range be wide, memory-less effect, has gradually attracted the sight of world community.With Application the widening to the extensive energy storage field such as electric vehicle, intelligent grid of lithium ion battery, industry is to its cost and electricity Chemical property has higher requirement, wherein the exploitation of high performance electrode material of new generation is the key that break through to apply bottleneck.And Positive electrode is the key that lithium ion battery development, it is not only the restraining factors and lithium-ion electric of lithium ion battery price The important determinant of pond power density and energy density.Therefore, low cost, high power capacity, high-power lithium ion battery anode material The exploitation of material becomes the research hotspot of recent domestic academia.Vanadate intercalation materials of li ions is due to of low cost, synthetic method Simply, the features such as specific capacity is high becomes the hot spot of recent researches.Embedding lithium performance study shows vanadate lithium intercalation compound Cyclical stability is still to be improved, and storage lithium ability is low and high rate performance is insufficient, this is also that vanadium base intercalation materials of li ions field is general simultaneously All over an existing problem, to limit its commercial applications.For the limitation and challenge for solving above-mentioned.The doping of metal simple-substance The electric conductivity of electrode can be improved, therefore people begin one's study precious metal doping vanadate and its chemical property.Sodium-ion battery Because the price of sodium is cheap compared with lithium, also become the emphasis of research, electrode material is often similar in lithium electricity electrode material performance.
Shuquan Liang et al. (Hydrothermal synthesis of Ag/ β-AgVO3nanobelts with Enhanced performance as a cathode material for lithium batteries, CrystEngComm, 2013,15,9869-9873) simple hydro-thermal method is used, by by NH4VO3, AgNO3 and H2O2 conducts Nano silver grain load β-AgVO3 nanobelt compounds, the Ag/ has been made for 24 hours in original material hydro-thermal reaction under 190 degree β-AgVO3 nanobelts are demonstrated by very high capacitance, high rate performance and cyclical stability when as lithium-ion electric grade.But hydro-thermal Processing method needs hydrothermal reaction kettle, and hydrothermal conditions are long, and temperature is higher.
Invention content
The present invention is in view of the problems of the existing technology, and it is an object of the present invention to provide a kind of precious metal simple substance adulterated vanadate nanometer The preparation method of electrode material.
To achieve the goals above, the present invention uses following technical scheme:
A kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material, it is characterised in that:The preparation side Method refers to being dissolved in metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene in deionized water by a certain percentage, is surpassed Sound dissolves to obtain presoma, and presoma is moved into the autoclave containing substrate and carries out hydro-thermal reaction, after reaction will Load has the substrate cleaning, drying of vanadate nano wire, has the substrate of vanadate nano wire at 10-100 DEG C load later It is immersed in soluble precious-metal salting liquid, takes out, cleans, is dry, finally using H again2High temperature reduction method under atmosphere will pass through The metal ion that ion exchange is inserted into vanadic acid salt deposit is reduced to metal simple-substance, obtains a kind of precious metal simple substance doping vanadium Silicate nanometer electrode material, preparation method carry out according to the following steps:
Metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are add to deionized water by a, ultrasonic dissolution Obtain presoma, wherein a concentration of 0.2~1mol/L of ammonium metavanadate, the concentration ratio of ammonium metavanadate and metal salt is 1:6~1: 20, the concentration ratio of two oxalic acid hydrates and metal salt is 1:3~1:10, the concentration ratio of six four ammoniums of methylene and metal salt is 1:3 ~1:6;
B cleans substrate, and the substrate after cleaning is put into autoclave liner;
C by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with substrate, 90~ 150 DEG C of 40~120min of reaction, take out reaction kettle after room temperature natural cooling, and will react back loading has the base of vanadate nano wire Bottom is taken out, and is rinsed with deionized water, in an oven 30~100 DEG C of dryings;
D loads after step c drying of learning from else's experience have the substrate of vanadate nano wire, in 0.01-1mol/L soluble precious-metals In salting liquid at 10-100 DEG C impregnate 1~for 24 hours;
E takes in Step d the load after being impregnated in metal salt solution to have the substrate of metal vanadate nano wire, in tubular type H in stove2With the heating rate of 0.5~2 DEG C/min under atmosphere, 200~700 DEG C are heated to, 2~5h is kept the temperature, will be handed over by ion The precious metal ion inserted in vanadic acid salt deposit is reduced to precious metal simple substance, obtains a kind of precious metal simple substance doping vanadic acid Salt nano-electrode material.
The metal salt is one kind in sylvite, molysite, sodium salt, bismuth salt, zinc salt, cobalt salt, mantoquita, lithium salts.
The substrate is one kind in carbon cloth or cotton or titanium sheet or stainless steel steel wire or nickel foam.
The soluble precious-metal salt is one in gold salt, silver salt, platinum salt, ruthenium salt, rhodium salt, palladium salt, osmium salt, iridium salt Kind.
The precious metal simple substance adulterated vanadate nano material can be used for lithium ion, sodium-ion battery as electrode material In.
As a result of above technical scheme, a kind of synthesis side of precious metal simple substance adulterated vanadate nano-electrode material Method is first obtained vanadate nano wire, then vanadate nano wire is placed in precious metal salt solution and is impregnated, and will pass through ion exchange The precious metal ion being inserted into vanadic acid salt deposit is reduced to precious metal simple substance, obtains a kind of precious metal simple substance adulterated vanadate Nano-electrode material, reaction condition of the present invention is mild and the reaction time is short, and the product prepared is grown in lower-cost conductive base Simple for process on bottom, easy to operate, overall process non-secondary pollution object generates, and the precious metal simple substance adulterated in the present invention is inserted into vanadium In silicate layer, the doping of precious metal simple substance can increase the electric conductivity of electrode material.Therefore a kind of precious metal simple substance of the present invention is mixed Miscellaneous vanadate nano-electrode material has prodigious development prospect in lithium ion, sodium-ion battery material.
Specific implementation mode
The present invention is described in further detail with reference to embodiment.
Embodiment 1
A is by potassium chloride (KCl), ammonium metavanadate (NH4VO3), two oxalic acid hydrate (H2C2O4 2H2O), six four ammoniums of methylene (C6H12N4) be added in 17.5ml deionized waters, ultrasonic mixing is made into mixed liquor and obtains presoma, and wherein ammonium metavanadate is dense Degree is 0.2mol/L, a concentration of 1.2mol/L of potassium chloride, a concentration of 0.4mol/L of two oxalic acid hydrates, six four ammoniums of methylene A concentration of 0.4mol/L;
B cleans carbon cloth, and the carbon cloth after cleaning is put into 20ml autoclave liners;
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with carbon cloth, at 90 DEG C 40min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the carbon cloth of potassium vanadate nano wire to take out, and uses Deionized water is rinsed, 30 DEG C of dryings in an oven;
D loads after step c drying of learning from else's experience have the carbon cloth of potassium vanadate nano wire, 10 DEG C in 0.01mol/L gold salt solution Lower immersion 1h;
E takes in Step d the load after being impregnated in gold salt solution to have the carbon cloth of potassium vanadate nano wire, the H in tube furnace2 With the heating rate of 0.5 DEG C/min under atmosphere, 200 DEG C are heated to, 2h is kept the temperature, will be inserted into potassium vanadate layer by ion exchange Gold ion is reduced to elemental gold, obtains a kind of elemental gold doping potassium vanadate nano-electrode material.
Embodiment 2
A is by iron chloride (FeCl3 6H2O), ammonium metavanadate (NH4VO3), two oxalic acid hydrate (H2C2O4 2H2O), six methylenes Four ammonium (C of base6H12N4) be added in 17.5ml deionized waters, ultrasonic mixing is made into mixed liquor and obtains presoma, wherein metavanadic acid A concentration of 1mol/L of ammonium, a concentration of 20mol/L of molysite, a concentration of 2mol/L of two oxalic acid hydrates, six four ammoniums of methylene A concentration of 3mol/L;
B cleans cotton, and the cotton after cleaning is put into 20ml autoclave liners;
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with cotton, 150 DEG C reaction 120min, take out reaction kettle after room temperature natural cooling, by react back loading have ferric vandate cotton take out, spend from Sub- water rinses, 100 DEG C of dryings in an oven;
D loads after step c drying of learning from else's experience have the carbon cloth of vanadic acid Fe nanowire, in 1mol/L silver salt solutions at 100 DEG C Impregnate 1h;
E takes in Step d the load after being impregnated in silver salt solution to have the carbon cloth of vanadic acid Fe nanowire, the H in tube furnace2 With the heating rate of 2 DEG C/min under atmosphere, 700 DEG C are heated to, keeps the temperature 5h, the silver that will be inserted by ion exchange in vanadic acid iron layer Ion reduction is elemental silver, obtains a kind of simple substance Ag doping ferric vandate nano-electrode material.
Embodiment 3
A is by sodium chloride (NaCl), ammonium metavanadate (NH4VO3), two oxalic acid hydrate (H2C2O4 2H2O), six four ammoniums of methylene (C6H12N4) be added in 17.5ml deionized waters, ultrasonic mixing is made into mixed liquor and obtains presoma, and wherein ammonium metavanadate is dense Degree is 0.5mol/L, a concentration of 5mol/L of sodium salt, a concentration of 1mol/L of two oxalic acid hydrates, the concentration of six four ammoniums of methylene For 1mol/L;
B cleans titanium sheet, and the titanium sheet after cleaning is put into 20ml autoclave liners;
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with titanium sheet, at 90 DEG C 80min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the titanium sheet of sodium vanadate nano wire to take out, and uses Deionized water is rinsed, 80 DEG C of dryings in an oven;
D loads after step c drying of learning from else's experience have the carbon cloth of sodium vanadate nano wire, in 0.1mol/L platinum salt solution at 50 DEG C Impregnate 1h;
E takes in Step d the load after being impregnated in platinum salt solution to have the carbon cloth of sodium vanadate nano wire, the H in tube furnace2 With the heating rate of 1 DEG C/min under atmosphere, 500 DEG C are heated to, keeps the temperature 3h, the platinum that will be inserted by ion exchange in sodium vanadate layer Ion reduction is simple substance platinum, obtains a kind of simple substance platinum dopant sodium vanadate electrode material.
Embodiment 4
A is by bismuth nitrate (Bi (NO3)3 5H2O), ammonium metavanadate (NH4VO3), two oxalic acid hydrate (H2C2O42H2O), six Asias Four ammonium (C of methyl6H12N4) be added in 17.5ml deionized waters, ultrasonic mixing is made into mixed liquor and obtains presoma, wherein inclined vanadium A concentration of 0.2mol/L of sour ammonium, a concentration of 1.2mol/L of bismuth salt, a concentration of 0.4mol/L of two oxalic acid hydrates, six methylenes A concentration of 0.4mol/L of four ammonium of base;
B cleans stainless steel steel wire, and the stainless steel steel wire after cleaning is put into 20ml autoclave liners;
C will be transferred to through the prepared precursor solution of a steps in the autoclave liner equipped with stainless steel steel wire Afterwards, 40min is reacted at 90 DEG C, takes out reaction kettle after room temperature natural cooling, and reaction back loading is had into vanadic acid bismuth nano-wire not The steel steel wire that becomes rusty takes out, and is rinsed with deionized water, in an oven 30 DEG C of dryings;
D loads after step c drying of learning from else's experience have the carbon cloth of vanadic acid bismuth nano-wire, 10 DEG C in 0.01mol/L ruthenium salting liquids Lower immersion 1h;
E takes in Step d the load after being impregnated in ruthenium salting liquid to have the carbon cloth of vanadic acid bismuth nano-wire, the H in tube furnace2 With the heating rate of 1 DEG C/min under atmosphere, 250 DEG C are heated to, keeps the temperature 3h, the ruthenium that will be inserted by ion exchange in pucherite layer Ion reduction is simple substance ruthenium, obtains a kind of simple substance ruthenium doping pucherite nano-electrode material.
Embodiment 5
A is by zinc acetate (C4H6O4Zn), ammonium metavanadate (NH4VO3), two oxalic acid hydrates (H2C2O42H2O), six methylenes Four ammonium of base (C6H12N4) is added in 17.5ml deionized waters, and ultrasonic mixing is made into mixed liquor and obtains presoma, wherein metavanadic acid A concentration of 1mol/L of ammonium, a concentration of 20mol/L of zinc salt, a concentration of 2mol/L of two oxalic acid hydrates, six four ammoniums of methylene A concentration of 3mol/L;
B cleans nickel foam, and the nickel foam after cleaning is put into 20ml autoclave liners;
C by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with nickel foam, 150 DEG C of reaction 120min, take out reaction kettle after room temperature natural cooling, and will react back loading has the nickel foam of Zinc vanadate to take out, It is rinsed with deionized water, in an oven 100 DEG C of dryings;
D loads after step c drying of learning from else's experience have the nickel foam of Zinc vanadate nano wire, 100 DEG C in 1mol/L rhodium salting liquids Lower immersion 1h;
E takes in Step d the load after being impregnated in rhodium salting liquid to have the nickel foam of Zinc vanadate nano wire, in tube furnace H2With the heating rate of 2 DEG C/min under atmosphere, 300 DEG C are heated to, 5h is kept the temperature, will be inserted into vanadic acid zinc layers by ion exchange Rhodium ion is reduced to simple substance rhodium, obtains a kind of simple substance rhodium doping Zinc vanadate electrode material.
Embodiment 6
A is by cobalt chloride (CoCl3 6H2O), ammonium metavanadate (NH4VO3), two oxalic acid hydrate (H2C2O4 2H2O), six methylenes Four ammonium (C of base6H12N4) be added in 17.5ml deionized waters, ultrasonic mixing is made into mixed liquor and obtains presoma, wherein metavanadic acid A concentration of 0.2mol/L of ammonium, a concentration of 1.2mol/L of cobalt salt, a concentration of 0.4mol/L of two oxalic acid hydrates, six methylene A concentration of 0.4mol/L of four ammoniums;
B cleans carbon cloth, and the carbon cloth after cleaning is put into 20ml autoclave liners;
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with carbon cloth, at 90 DEG C 40min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the carbon cloth of vanadic acid cobalt nanowire to take out, and uses Deionized water is rinsed, 30 DEG C of dryings in an oven;
D loads after step c drying of learning from else's experience have the carbon cloth of vanadic acid cobalt nanowire, in 0.1mol/L palladium salt solution at 50 DEG C Impregnate 1h;
E takes in Step d the load after being impregnated in palladium salt solution to have the carbon cloth of vanadic acid cobalt nanowire, the H in tube furnace2 With the heating rate of 0.5 DEG C/min under atmosphere, 200 DEG C are heated to, 2h is kept the temperature, will be inserted into vanadic acid cobalt layers by ion exchange Palladium ion is reduced to simple substance palladium, obtains a kind of simple substance palladium doping vanadic acid cobalt electrode material.
Embodiment 7
A is by copper chloride (CuCl2 2H2O), ammonium metavanadate (NH4VO3), two oxalic acid hydrate (H2C2O4 2H2O), six methylenes Four ammonium (C of base6H12N4) be added in 17.5ml deionized waters, ultrasonic mixing is made into mixed liquor and obtains presoma, wherein metavanadic acid A concentration of 1mol/L of ammonium, a concentration of 20mol/L of mantoquita, a concentration of 2mol/L of two oxalic acid hydrates, six four ammoniums of methylene A concentration of 3mol/L;
B cleans cotton, and the cotton after cleaning is put into 20ml autoclave liners;
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with cotton, 150 DEG C reaction 120min, take out reaction kettle after room temperature natural cooling, by react back loading have copper vanadate cotton take out, spend from Sub- water rinses, 100 DEG C of dryings in an oven;
D loads after step c drying of learning from else's experience have the carbon cloth of vanadic acid copper nano-wire, 10 DEG C in 0.01mol/L osmium salting liquids Lower immersion 1h;
E takes in Step d the load after being impregnated in osmium salting liquid to have the carbon cloth of vanadic acid copper nano-wire, the H in tube furnace2 With the heating rate of 2 DEG C/min under atmosphere, 300 DEG C are heated to, keeps the temperature 5h, the osmium that will be inserted by ion exchange in vanadic acid layers of copper Ion reduction is simple substance osmium, obtains a kind of simple substance osmium doping copper vanadate nano-electrode material.
Embodiment 8
A is by lithium nitrate (LiNO3), ammonium metavanadate (NH4VO3), two oxalic acid hydrate (H2C2O4 2H2O), six methylene four Ammonium (C6H12N4) be added in 17.5ml ionized waters, ultrasonic mixing is made into mixed liquor and obtains presoma, wherein ammonium metavanadate A concentration of 0.5mol/L, a concentration of 5mol/L of lithium salts, a concentration of 1mol/L of two oxalic acid hydrates, six four ammoniums of methylene it is dense Degree is 1mol/L;
B cleans titanium sheet, and the titanium sheet after cleaning is put into 20ml autoclave liners;
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with titanium sheet, at 90 DEG C 80min is reacted, takes out reaction kettle after room temperature natural cooling, will react back loading has the titanium sheet of lithium vanadate nano wire to take out, and uses Deionized water is rinsed, 80 DEG C of dryings in an oven;
D loads after step c drying of learning from else's experience have the carbon cloth of lithium vanadate nano wire, in 1mol/L ytterbium salting liquids at 100 DEG C Impregnate 1h;
E takes in Step d the load after being impregnated in cerium solution to have the carbon cloth of lithium vanadate nano wire, the H in tube furnace2 With the heating rate of 1 DEG C/min under atmosphere, 500 DEG C are heated to, keeps the temperature 3h, the ytterbium that will be inserted by ion exchange in vanadic acid lithium layer Ion reduction is simple substance ytterbium, obtains a kind of simple substance ytterbium doping lithium vanadate electrode material.

Claims (5)

1. a kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material, it is characterised in that:The preparation method Refer to being dissolved in metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene in deionized water by a certain percentage, ultrasound Dissolving obtains presoma, and presoma is moved into the autoclave containing substrate and carries out hydro-thermal reaction, will be born after reaction The substrate cleaning, drying of vanadate nano wire are loaded with, have the substrate of vanadate nano wire to be soaked at 10-100 DEG C load later Bubble takes out, cleans, is dry, finally using H again in soluble precious-metal salting liquid2High temperature reduction method under atmosphere, will by from Son exchanges the metal ion being inserted into vanadic acid salt deposit and is reduced to metal simple-substance, obtains a kind of precious metal simple substance doping vanadic acid Salt nano-electrode material, preparation method carry out according to the following steps:
Metal salt, ammonium metavanadate, two oxalic acid hydrates, six four ammoniums of methylene are add to deionized water by a, and ultrasonic dissolution obtains The concentration ratio of presoma, wherein a concentration of 0.2~1mol/L of ammonium metavanadate, ammonium metavanadate and metal salt is 1:6~1:20, two The concentration ratio of oxalic acid hydrate and metal salt is 1:3~1:10, the concentration ratio of six four ammoniums of methylene and metal salt is 1:3~1:6;
B cleans substrate, and the substrate after cleaning is put into autoclave liner;
C is by after the prepared precursor solution of a steps is transferred in the autoclave liner equipped with substrate, 90~150 DEG C 40~120min of reaction, takes out reaction kettle after room temperature natural cooling, will react back loading has the substrate of vanadate nano wire It takes out, is rinsed with deionized water, in an oven 30~100 DEG C of dryings;
Load after step c is dried is had the substrate of vanadate nano wire by d, molten in 0.01-1mol/L soluble precious-metal salt In liquid at 10-100 DEG C impregnate 1~for 24 hours;
E takes in Step d the load after being impregnated in metal salt solution to have the substrate of metal vanadate nano wire, in tube furnace H2With the heating rate of 0.5~2 DEG C/min under atmosphere, 200~700 DEG C are heated to, 2~5h is kept the temperature, will be inserted by ion exchange The precious metal ion entered in vanadic acid salt deposit is reduced to precious metal simple substance, obtains a kind of precious metal simple substance adulterated vanadate and receives Rice electrode material.
2. a kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material according to claim 1, special Sign is:The metal salt is one kind in sylvite, molysite, sodium salt, bismuth salt, zinc salt, cobalt salt, mantoquita, lithium salts.
3. a kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material according to claim 1, special Sign is:The substrate is one kind in carbon cloth or cotton or titanium sheet or stainless steel steel wire or nickel foam.
4. a kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material according to claim 1, special Sign is:The soluble precious-metal salt is one kind in gold salt, silver salt, platinum salt, ruthenium salt, rhodium salt, palladium salt, osmium salt, iridium salt.
5. a kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material according to claim 1, special Sign is:The precious metal simple substance adulterated vanadate nano material can be used for lithium ion, sodium-ion battery as electrode material In.
CN201810091299.4A 2018-01-30 2018-01-30 A kind of preparation method of precious metal simple substance adulterated vanadate nano-electrode material Pending CN108400329A (en)

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CN111048778A (en) * 2019-10-28 2020-04-21 宁波职业技术学院 Doped modified lithium ion battery vanadate anode material and preparation method thereof
CN111410235A (en) * 2020-03-26 2020-07-14 厦门大学 Application of ultrathin ferric vanadate nanosheets in sodium ion battery and sodium ion capacitor
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109136621A (en) * 2018-07-16 2019-01-04 吉林长玉特陶新材料技术股份有限公司 A kind of preparation method of the Ni-based embedded metal oxide carbon onion array of foam
CN111048778A (en) * 2019-10-28 2020-04-21 宁波职业技术学院 Doped modified lithium ion battery vanadate anode material and preparation method thereof
CN111410235A (en) * 2020-03-26 2020-07-14 厦门大学 Application of ultrathin ferric vanadate nanosheets in sodium ion battery and sodium ion capacitor
CN111589444A (en) * 2020-04-30 2020-08-28 昆明理工大学 Noble metal quantum dot and preparation method and application thereof
CN114084905A (en) * 2021-10-10 2022-02-25 中国计量大学 Preparation method of oxygen-enriched defect potassium-embedded ammonium vanadate nanoarray cathode material
CN114084905B (en) * 2021-10-10 2024-01-05 中国计量大学 Preparation method of potassium-embedded ammonium vanadate nano-array positive electrode material with oxygen-enriched defect
CN114917917A (en) * 2022-06-07 2022-08-19 合肥工业大学 Cu for preparing acetophenone by oxidation method x Co 1-x V 2 O 6 Catalyst, preparation method and application
CN114917917B (en) * 2022-06-07 2023-10-13 合肥工业大学 Cu for preparing acetophenone by oxidation method x Co 1-x V 2 O 6 Catalyst, preparation method and application

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Application publication date: 20180814