CN110227493A - The preparation method of one type round pie vanadium disulfide elctro-catalyst - Google Patents
The preparation method of one type round pie vanadium disulfide elctro-catalyst Download PDFInfo
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- CN110227493A CN110227493A CN201910603813.2A CN201910603813A CN110227493A CN 110227493 A CN110227493 A CN 110227493A CN 201910603813 A CN201910603813 A CN 201910603813A CN 110227493 A CN110227493 A CN 110227493A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- NGTSQWJVGHUNSS-UHFFFAOYSA-N bis(sulfanylidene)vanadium Chemical compound S=[V]=S NGTSQWJVGHUNSS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 53
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 235000019441 ethanol Nutrition 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 20
- 239000008367 deionised water Substances 0.000 claims abstract description 19
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 19
- 239000013256 coordination polymer Substances 0.000 claims abstract description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000001291 vacuum drying Methods 0.000 claims abstract description 12
- 229910019501 NaVO3 Inorganic materials 0.000 claims abstract description 8
- 238000013019 agitation Methods 0.000 claims description 9
- 229910052720 vanadium Inorganic materials 0.000 claims description 9
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 2
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 239000007772 electrode material Substances 0.000 abstract description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- 239000001257 hydrogen Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000002604 ultrasonography Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004502 linear sweep voltammetry Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 239000002057 nanoflower Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/04—Sulfides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/33—Electric or magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
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- 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
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
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Abstract
Carbon paper is successively immersed in pure acetone and hydrochloric acid after being cleaned by ultrasonic and rinses the vacuum drying carbon paper that obtains that treated well by the preparation method of one type round pie vanadium disulfide elctro-catalyst;By NaVO3And C2H5NS is added in ethyl alcohol obtains clear solution A simultaneously;The carbon paper handled well is poured into react in liner with solution A and is sealed, reaction liner is subjected to hydro-thermal reaction loaded on fixed be placed in homogeneous reaction instrument in outer kettle;Reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out after carbon paper is alternately cleaned up with deionized water and ethyl alcohol respectively and is dried in vacuo to obtain class round pie VS2/CP.Product chemistry composition prepared by the present invention is uniform, and purity is high, pattern is uniform, excellent chemical property can be shown when as electrolysis water electrode material, in 100mA/cm2Current density under, overpotential is about 365mV.
Description
Technical field
The invention belongs to electrolysis water catalyst technical fields, and in particular to the system of a type round pie vanadium disulfide elctro-catalyst
Preparation Method.
Background technique
With the generation of outburst and the environmental pollution of energy crisis, exploitation is very urgent with clean energy resource is developed.Hydrogen
(H2) as one of clean reproducible energy, because it is with highdensity energy and environment friendly, have become fossil fuel
Ideal substitute.Electro-catalysis is a kind of important channel of clean energy resource conversion, it is of great significance to sustainable development.Analysis
Hydrogen reaction (HER) is just being widely used as a kind of high efficiency and environmentally friendly technology.
Electrocatalytic decomposition water technology is one of most promising approach of hydrogen manufacturing, is one and develops sustainable clean energy resource most
Potential technology.So far, for electrolysis water, most effective elctro-catalyst is noble metal, such as platinum (Pt), and valuableness
/ toxic OER oxide, such as yttrium oxide (IrO2) and ruthenium-oxide (RuO2).However, their scarcity and high cost make
Their electrochemical applications are restricted.Therefore, developing high activity elctro-catalyst abundant is numerous researcher's concerns at present
Emphasis.
Studies have shown that vanadium disulfide has unique layer structure, be conducive to the absorption and dissociation of ion, and the valence of vanadium
State flexibly (+3 ,+4 ,+5), has good reactivity, in addition, can effectively promote by catalyst in conjunction with conductive substrates
It is transmitted into charge, and can significantly enhance its catalytic activity and stability.
Summary of the invention
It is an object of the invention to propose a kind of class round pie vanadium disulfide elctro-catalyst (VS grown on carbon paper2/
CP preparation method), this method is easy to operate, and reaction condition is mild, short, the VS of preparation of time-consuming2/ CP product purity is high, pattern
And size uniformity, and electrocatalysis characteristic is excellent.
To achieve the goals above, the invention adopts the following technical scheme:
1) carbon paper is immersed in pure acetone solution after being cleaned by ultrasonic, then carbon paper is immersed in hydrochloric acid and is cleaned by ultrasonic, finally divided
The vacuum drying carbon paper that obtains that treated is not replaced after rinsing well with deionized water with ethyl alcohol;
2) NaVO is pressed3: C2H5The molar ratio of NS is (1~5): (5~25) are by NaVO3And C2H5NS is added to 15 simultaneously~
Magnetic agitation at room temperature in 25ml ethyl alcohol obtains the clear solution A that vanadium source concentration is (0.05~0.125) mol/L;
3) carbon paper that step 1) is handled well is poured into react with solution A and is sealed in liner, by reaction liner loaded in outer kettle
Fixed be placed in homogeneous reaction instrument carries out hydro-thermal reaction;
4) reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out carbon paper and deionized water and ethyl alcohol is used to hand over respectively
For being dried in vacuo to obtain class round pie VS after cleaning up2/CP。
5~15min of ultrasonic cleaning of the step 1).
The concentration of hydrochloric acid of the step 1) is 2~4mol/L.
The step 1) replaces flushing 3~5 times with deionized water with ethyl alcohol respectively.
Step 1) the vacuum drying temperature is 25~40 DEG C, and drying time is 10~15h.
30~50min of the step 2) magnetic agitation.
The hydro-thermal reaction of the step 3) is 18~20h of reaction at 160~180 DEG C.
The step 4) is replaced 3 times with deionized water and ethyl alcohol respectively.
Step 4) the vacuum drying temperature is 40~70 DEG C, and drying time is 5~10h.
This patent uses efficient, simple and inexpensive one step hydro thermal method, and class round pie curing is prepared on carbon paper
Electrolysis water Hydrogen Evolution Performance is effectively promoted in vanadium elctro-catalyst.
The beneficial effects of the present invention are embodied in:
1) this method is since it using a step hydro-thermal reaction directly synthesizes final product, thus has low synthesis temperature
Degree, simple synthesis path do not need large scale equipment and harsh reaction condition, and raw material is cheap and easy to get, at low cost, and yield is high,
It is environmentally friendly without post-processing, it can be suitble to be mass produced.
2) VS of this method preparation2It is grown in carbon paper substrate, forms class round pie VS2/CP.This structure is conducive to
Electrolyte and VS2/ CP's comes into full contact with, and is also beneficial to the free entry and exit of ion, can then greatly enhance its chemical property.
3) the product chemistry composition of this method preparation is uniform, and purity is high, pattern is uniform, when being used as electrolysis water electrode material
Excellent chemical property can be shown, in 100mA/cm2Current density under, overpotential is about 365mV.
Detailed description of the invention
Fig. 1 is class round pie VS prepared by the embodiment of the present invention 32X-ray diffraction (XRD) map of/CP;
Fig. 2 is class round pie VS prepared by the embodiment of the present invention 32Scanning electron microscope (SEM) photo of/CP;
Fig. 3 is class round pie VS prepared by the embodiment of the present invention 32Production hydrogen (HER) linear sweep voltammetry (LSV) of/CP is bent
Line.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the invention will be described in further detail:
Embodiment 1:
1) carbon paper is immersed in pure acetone solution and is cleaned by ultrasonic 5min, then ultrasound in the hydrochloric acid of carbon paper immersion 3mol/L is clear
5min is washed, finally replace respectively with ethyl alcohol with deionized water and is rinsed 3 times, at 25 DEG C, is dried in vacuo the 15h carbon that obtains that treated
Paper;
2) NaVO is pressed3: C2H5The molar ratio of NS is 1:5 by NaVO3And C2H5NS is added in 15ml ethyl alcohol at room temperature simultaneously
Magnetic agitation 30min obtains the clear solution A that vanadium source concentration is 0.051mol/L;
3) carbon paper that step 1) is handled well is poured into react with solution A and is sealed in liner, by reaction liner loaded in outer kettle
Fixation is placed in homogeneous reaction instrument in 160 DEG C of hydro-thermal reaction 18h;
4) reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out carbon paper and deionized water and ethyl alcohol is used to hand over respectively
For cleaning 3 times after obtain class round pie VS in 40 DEG C of vacuum drying 10h2/CP。
Embodiment 2:
1) carbon paper is immersed in pure acetone solution and is cleaned by ultrasonic 10min, then carbon paper is immersed into ultrasound in the hydrochloric acid of 2mol/L
10min is cleaned, finally replace respectively with ethyl alcohol with deionized water and is rinsed 4 times, at 35 DEG C, 14h is dried in vacuo and obtains that treated
Carbon paper;
2) NaVO is pressed3: C2H5The molar ratio of NS is 1:6 by NaVO3And C2H5NS is added in 15ml ethyl alcohol at room temperature simultaneously
Magnetic agitation 40min obtains the clear solution A that vanadium source concentration is 0.08mol/L;
3) carbon paper that step 1) is handled well is poured into react with solution A and is sealed in liner, by reaction liner loaded in outer kettle
Fixation is placed in homogeneous reaction instrument in 180 DEG C of hydro-thermal reaction 20h;
4) reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out carbon paper and deionized water and ethyl alcohol is used to hand over respectively
For cleaning 3 times after obtain class round pie VS in 50 DEG C of vacuum drying 8h2/CP。
Embodiment 3:
1) carbon paper is immersed in pure acetone solution and is cleaned by ultrasonic 15min, then carbon paper is immersed into ultrasound in the hydrochloric acid of 4mol/L
10min is cleaned, finally replace respectively with ethyl alcohol with deionized water and is rinsed 3 times, at 40 DEG C, 12h is dried in vacuo and obtains that treated
Carbon paper;
2) NaVO is pressed3: C2H5The molar ratio of NS is 3:13 by NaVO3And C2H5NS is added in 20ml ethyl alcohol at room temperature simultaneously
Magnetic agitation 45min obtains the clear solution A that vanadium source concentration is 0.1mol/L;
3) carbon paper that step 1) is handled well is poured into react with solution A and is sealed in liner, by reaction liner loaded in outer kettle
Fixation is placed in homogeneous reaction instrument in 160 DEG C of hydro-thermal reaction 20h;
4) reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out carbon paper and deionized water and ethyl alcohol is used to hand over respectively
For cleaning 3 times after obtain class round pie VS in 60 DEG C of vacuum drying 6h2/CP。
Fig. 1 is class round pie VS manufactured in the present embodiment2X-ray diffraction (XRD) map of/CP.It can from Fig. 1
Long on graphite paper out to have gone up substance, corresponding product is VS2/VOOH。
Fig. 2 is class round pie VS manufactured in the present embodiment2Scanning electron microscope (SEM) photo of/CP.It can from the SEM figure of Fig. 2
To find out that the sample is to be grown on graphite paper to stack the nano flower formed by nanometer sheet.
Fig. 3 is class round pie VS prepared by the embodiment of the present invention 32Production hydrogen (HER) linear sweep voltammetry (LSV) of/CP is bent
Line.From figure 3, it can be seen that the sample is 100mA/cm in current density2When, its overpotential is 365mV.With good
Electrocatalytic hydrogen evolution activity.
Embodiment 4:
1) carbon paper is immersed in pure acetone solution and is cleaned by ultrasonic 15min, then carbon paper is immersed into ultrasound in the hydrochloric acid of 4mol/L
15min is cleaned, finally replace respectively with ethyl alcohol with deionized water and is rinsed 5 times, at 40 DEG C, 10h is dried in vacuo and obtains that treated
Carbon paper;
2) NaVO is pressed3: C2H5The molar ratio of NS is 5:18 by NaVO3And C2H5NS is added in 25ml ethyl alcohol at room temperature simultaneously
Magnetic agitation 50min obtains the clear solution A that vanadium source concentration is 0.125mol/L;
3) carbon paper that step 1) is handled well is poured into react with solution A and is sealed in liner, by reaction liner loaded in outer kettle
Fixation is placed in homogeneous reaction instrument in 180 DEG C of hydro-thermal reaction 18h;
4) reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out carbon paper and deionized water and ethyl alcohol is used to hand over respectively
For cleaning 3 times after obtain class round pie VS in 70 DEG C of vacuum drying 5h2/CP。
Embodiment 5:
1) carbon paper is immersed in pure acetone solution and is cleaned by ultrasonic 12min, then carbon paper is immersed into ultrasound in the hydrochloric acid of 3mol/L
12min is cleaned, finally replace respectively with ethyl alcohol with deionized water and is rinsed 4 times, at 30 DEG C, 13h is dried in vacuo and obtains that treated
Carbon paper;
2) NaVO is pressed3: C2H5The molar ratio of NS is 2:25 by NaVO3And C2H5NS is added in 23ml ethyl alcohol at room temperature simultaneously
Magnetic agitation 35min obtains the clear solution A that vanadium source concentration is 0.11mol/L;
3) carbon paper that step 1) is handled well is poured into react with solution A and is sealed in liner, by reaction liner loaded in outer kettle
Fixation is placed in homogeneous reaction instrument in 170 DEG C of hydro-thermal reaction 19h;
4) reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out carbon paper and deionized water and ethyl alcohol is used to hand over respectively
For cleaning 3 times after obtain class round pie VS in 50 DEG C of vacuum drying 8h2/CP。
Claims (9)
1. the preparation method of a type round pie vanadium disulfide elctro-catalyst, it is characterised in that the following steps are included:
1) carbon paper is immersed in pure acetone solution after being cleaned by ultrasonic, then carbon paper is immersed in hydrochloric acid and is cleaned by ultrasonic, finally used respectively
Ethyl alcohol replaces with deionized water rinse well after the vacuum drying carbon paper that obtains that treated;
2) NaVO is pressed3: C2H5The molar ratio of NS is (1~5): (5~25) are by NaVO3And C2H5NS is added to 15~25ml second simultaneously
Magnetic agitation at room temperature in alcohol obtains the clear solution A that vanadium source concentration is 0.05~0.125mol/L;
3) carbon paper that step 1) is handled well is poured into react with solution A and is sealed in liner, by reaction liner loaded on fixed in outer kettle
It is placed in homogeneous reaction instrument and carries out hydro-thermal reaction;
4) reaction kettle is naturally cooled into room temperature after hydro-thermal reaction, takes out carbon paper and uses deionized water and ethyl alcohol alternating clear respectively
Class round pie VS is dried in vacuo to obtain after wash clean2/CP。
2. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
Rapid 5~15min of ultrasonic cleaning 1).
3. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
Rapid concentration of hydrochloric acid 1) is 2~4mol/L.
4. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
It is rapid 1) to replace flushing 3~5 times with deionized water with ethyl alcohol respectively.
5. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
Rapid 1) vacuum drying temperature is 25~40 DEG C, and drying time is 10~15h.
6. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
Rapid 2) 30~50min of magnetic agitation.
7. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
Rapid hydro-thermal reaction 3) is 18~20h of reaction at 160~180 DEG C.
8. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
It is rapid 4) to be replaced 3 times with deionized water and ethyl alcohol respectively.
9. the preparation method of class round pie vanadium disulfide elctro-catalyst according to claim 1, it is characterised in that: the step
Rapid 4) vacuum drying temperature is 40~70 DEG C, and drying time is 5~10h.
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CN114142043A (en) * | 2021-11-30 | 2022-03-04 | 成都先进金属材料产业技术研究院股份有限公司 | Method for improving electrochemical performance of electrode for vanadium battery |
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Cited By (5)
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CN114142043A (en) * | 2021-11-30 | 2022-03-04 | 成都先进金属材料产业技术研究院股份有限公司 | Method for improving electrochemical performance of electrode for vanadium battery |
CN114142048A (en) * | 2021-11-30 | 2022-03-04 | 成都先进金属材料产业技术研究院股份有限公司 | Electrode modification method for vanadium cell |
CN114142048B (en) * | 2021-11-30 | 2023-10-27 | 成都先进金属材料产业技术研究院股份有限公司 | Electrode modification method for vanadium battery |
CN114142043B (en) * | 2021-11-30 | 2023-10-27 | 成都先进金属材料产业技术研究院股份有限公司 | Method for improving electrochemical performance of electrode for vanadium battery |
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