CN103904343B - The preparation method of all-vanadium redox flow battery electrolytic solution - Google Patents
The preparation method of all-vanadium redox flow battery electrolytic solution Download PDFInfo
- Publication number
- CN103904343B CN103904343B CN201410130914.XA CN201410130914A CN103904343B CN 103904343 B CN103904343 B CN 103904343B CN 201410130914 A CN201410130914 A CN 201410130914A CN 103904343 B CN103904343 B CN 103904343B
- Authority
- CN
- China
- Prior art keywords
- vanadium
- preparation
- flow battery
- redox flow
- battery electrolytic
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
-
- 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
- Y02E60/50—Fuel cells
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to the preparation method of all-vanadium redox flow battery electrolytic solution, belongs to electrolyte preparation field.The technical problem to be solved is to provide a kind of chemical preparation method of all-vanadium redox flow battery electrolytic solution, and its step is as follows：A, compound is mixed with sulphuric acid, 75～95 DEG C of 10～40min of reaction obtain mixed liquor, and wherein, the compound includes Vanadium sesquioxide and vanadic anhydride, in mass ratio, Vanadium sesquioxide:Vanadic anhydride=2.5～4:1；B, deionized water is added in mixed liquor, 75～95 DEG C of keeping temperature, 5～20min of reaction are filtered, and gained filtrate is electrolyte for vanadium cell.The inventive method technological process is short, equipment is simple, take high short, raw material availability, low cost, can avoid secondary pollution, and prepared electrolyte can simplify the assembly process of battery, improve work efficiency simultaneously as the both positive and negative polarity electrolyte of battery.
Description
Technical field
The present invention relates to the preparation method of all-vanadium redox flow battery electrolytic solution, belongs to electrolyte preparation field.
Background technology
With the application and the foundation of intelligent grid of the regenerative resources such as wind energy and solar energy, it would be highly desirable to develop efficiently,
Environmental protection, inexpensive energy storage technology.Vanadium oxide reduction flow battery (Vanadium Redox Flow Battery, abbreviation vanadium electricity
Pond) be a kind of new green energy-storing system, its electrolyte is single metallic solution, it have have extended cycle life, flexible design,
Respond fast, deep discharge and the low advantage of maintenance cost.At present, vanadium cell is considered as the energy storage technology of great application prospect.
Electrolyte of vanadium redox battery is not only the important component part of battery, while or the active substance of energy storage, develop the vanadium of super quality and competitive price
Electrolyte be determine vanadium cell can industrialization one of key technology.Therefore, the excellent inexpensive vanadium electricity of research processability
Pond electrolyte tool is of great significance.
The method for preparing electrolyte of vanadium redox battery at present mainly has two kinds：Electrolysis and chemical synthesiss.Electrolysis is to adopt
V2O5Or NH4VO3For raw material, carry out preparing V electrolyte without barrier film or septate electrolytic method.Mono- KazacosM of Skyllas
Et al. stabilizer is added together with the sulfuric acid solution of vanadic anhydride the method for carrying out constant-current electrolysis in electrolysis bath, phase has been obtained
Electrolyte to the vanadium redox battery of stable various valence states, and in electrolyte vanadium ion concentration can reach 0.25～
10mol·L-1.Electrolysis can persistently prepare a large amount of high concentrations and understand V electrolyte, but have that speed is slow, equipment requirements are high, consumption
The shortcomings of energy height, high cost.
Chemical synthesiss are by V2O5Or NH4VO3Sulfating roasting-leaching is carried out Deng 5 valency vfanadium compound, or in H2SO4
Middle dissolving activation-reducing agent reduction, or reduction roasting-sulfuric acid leaching is directly carried out, prepare VOSO4Electrolyte.C
Menictas, M Cheng et al. uses NH4V03Prepare the V electrolyte of three tetravalences mixing.Sato, Kanji et al. pentavalent vanadium
In certain density sulfuric acid solution, tetravalence V electrolyte is produced with reducing agent reduction pentavalent vanadium.Nakajima et al. is with containing
The pentavalent barium oxide for having a large amount of impurity is initial feed, under conditions of acid and heating, be passed through noble gases except deammoniation from
Sub- impurity, is prepared for the V electrolyte of highly purified three tetravalences mixing.Zhong Xiaoling et al. has invented one kind to be used for preparing sulphuric acid oxygen
The method of vanadium, the method are that diluting concentrated sulfuric acid is directly added into vanadic anhydride into after dilute sulfuric acid, add reduction after being sufficiently stirred for
Agent is obtained oxygen vanadium sulphate solution.Reducing agent is selected from flavanols compounds, tree peony anthocyanins, flavone compound, flavone
Any one or more in alcohol compound, phenolic acid compound, vitamin substances.The reducing agent that the method is added is difficult
Eliminate, it is difficult to which purification obtains highly purified V electrolyte.
The patent of invention of Application No. 2010105804330 discloses a kind of all-vanadium redox flow battery electrolytic solution
Chemical preparation process, will be added in the concentrated sulphuric acid of proportion 1.84 after Vanadium sesquioxide and vanadic anhydride mix homogeneously, then
It is put in tube furnace and calcines, calcining heat is 100～250 DEG C, and calcination time is 0.5～3 hour, is then dissolved in calcined product
Concentration is in the sulfuric acid solution of 2～5mol/L, obtains electrolyte for vanadium cell.But, the method still exist long preparation period,
The shortcomings of equipment requirements height, high power consumption, high cost.
Content of the invention
The technical problem to be solved is to provide a kind of chemistry of all-vanadium redox flow battery electrolytic solution
Preparation method.
The preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, its step are as follows：
A, compound is mixed with sulphuric acid, 75～95 DEG C of 10～40min of reaction obtain mixed liquor, wherein, the salt and spice
Include Vanadium sesquioxide and vanadic anhydride, in mass ratio, Vanadium sesquioxide:Vanadic anhydride=2.5～4:1；
B, deionized water is added in a step gained mixed liquors, 75～95 DEG C of keeping temperature, 5～20min of reaction are filtered,
Gained filtrate is all-vanadium redox flow battery electrolytic solution.Wherein, add deionized water can with dilute solution acidity and
Vanadium ion concentration, makes solution not become sticky because of acidity or excessive concentration, reduces difficulty in filtration.
Further, the compound in a steps is Vanadium sesquioxide and vanadic anhydride.
Additionally, additive can also be contained in compound in a steps.Wherein, additive can be oxalic acid, ascorbic acid
Or hydrogen peroxide.When the mass ratio of Vanadium sesquioxide and vanadic anhydride is less than 3.2, oxalic acid and/or ascorbic acid is added to rise
The effect of reducing agent is arrived, when the mass ratio of Vanadium sesquioxide and vanadic anhydride is more than 3.2, has added hydrogen peroxide rise
Effect to oxidant.
Wherein, the addition of additive can according to the mass ratio of the Vanadium sesquioxide in compound and vanadic anhydride come
Determine, closer to 3.2, additive used is fewer, general for mass ratio, after adding additive, additive accounts for whole compound
Mass percent is less than 10wt% less than the content of additive in 10%, i.e. compound, and the content of preferable additives is 2wt%
～5wt%.
Further, in a steps, in mass ratio, Vanadium sesquioxide:Vanadic anhydride=2.5～3.5, preferably 3.2.a
In step, reaction temperature is higher or initial acidity of sulfuric acid is higher, and the response time then can shorten accordingly, in order to improve reaction effect
Rate, reaction temperature are preferably 90 DEG C, and the response time is preferably 30min.
In the preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, the sulphuric acid proportion of a steps is 1.3～
1.5, preferably sulfuric acid proportion is 1.42.
In order to cost-effective, while improving the quality of product, the consumption of sulphuric acid, in mass ratio, sulfur in a steps, can be limited
Acid:Compound=5～7:1.
In the preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, by volume, in b step go from
Sub- water:Sulphuric acid=0.6～1.4 in a steps:1, the preferred deionized water in b step:Sulphuric acid=0.8～1.2 in a steps:1,
Deionized water more preferably in b step:Sulphuric acid=1 in a steps:1.
In a steps, compound can be mixed in a conventional way with sulphuric acid, in order to improve the quality of product, preferred mixed
Conjunction method is as follows：Sulphuric acid is heated to 75～95 DEG C, then is added mixture in sulphuric acid.
In the preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, raw material Vanadium sesquioxide and five is aoxidized
The purity of two vanadium can be to analyze pure or technical pure, in order to cost-effective, preferably technical pure.
In order to improve reaction efficiency, need to stir in whole reaction.
The present invention is prepared using autocatalytic method and contains V3+、V4+Ion concentration is 1:1 V electrolyte.In higher temperature
In dilute sulfuric acid system, in compound, vanadic anhydride is oxidized to tetravalence vanadium, three oxidations as the oxidant of Vanadium sesquioxide
Two vanadium are reduced into tetravalence vanadium as the reducing agent of vanadic anhydride, and the presence of vanadic anhydride has beneficial to Vanadium sesquioxide
Dissolving in sulfuric acid system；Additive can replace part vanadic anhydride or Vanadium sesquioxide as oxidant or reducing agent, add
Plus the consumption of agent is relevant with Vanadium sesquioxide proportioning with vanadic anhydride in compound；Vanadium sesquioxide is mixed with vanadic anhydride
Reaction of the material in sulfuric acid solution is exothermic reaction, reacts the carrying out that liberated heat is conducive to reacting.As reaction is carried out, body
In system, vanadium ion concentration gradually rises, and solution viscosity increases, and needs addition deionized water that solution is diluted to preferable concentration same
When reduce solution viscosity.In preparation process, if acidity of sulfuric acid is higher or reaction temperature is higher, shorter the time required to reaction.
The advantages of the present invention are：
1st, the inventive method is adopted to obtain concentration for 1.5mol L-1Electrolyte of vanadium redox battery.
2nd, the inventive method prepares electrolyte using Vanadium sesquioxide and vanadic anhydride self-catalysis, with technological process
Short, equipment is simple, take high short, raw material availability, low cost, the advantages of avoid secondary pollution.
3rd, V in the electrolyte prepared using this method3+、V4+Ion concentration is 1:1, electrolyte can be simultaneously as battery
Both positive and negative polarity electrolyte, simplify the assembly process of battery, improve work efficiency.
Specific embodiment
The preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, its step are as follows：
A, compound is mixed with sulphuric acid, 75～95 DEG C of 10～40min of reaction obtain mixed liquor, wherein, the salt and spice
Include Vanadium sesquioxide and vanadic anhydride, in mass ratio, Vanadium sesquioxide:Vanadic anhydride=2.5～4:1；
B, deionized water is added in a step gained mixed liquors, 75～95 DEG C of keeping temperature, 5～20min of reaction are filtered,
Gained filtrate is all-vanadium redox flow battery electrolytic solution.Wherein, add deionized water can with dilute solution acidity and
Vanadium ion concentration, makes solution not become sticky because of acidity or excessive concentration, reduces difficulty in filtration.
Further, the compound in a steps is Vanadium sesquioxide and vanadic anhydride.
Additionally, additive can also be contained in compound in a steps.Wherein, additive can be oxalic acid, ascorbic acid
Or hydrogen peroxide.When the mass ratio of Vanadium sesquioxide and vanadic anhydride is less than 3.2, oxalic acid and/or ascorbic acid is added to rise
The effect of reducing agent is arrived, when the mass ratio of Vanadium sesquioxide and vanadic anhydride is more than 3.2, has added hydrogen peroxide rise
Effect to oxidant.
Wherein, the addition of additive can according to the mass ratio of the Vanadium sesquioxide in compound and vanadic anhydride come
Determine, closer to 3.2, additive used is fewer, general for mass ratio, after adding additive, additive accounts for whole compound
Mass percent is less than 10wt% less than the content of additive in 10%, i.e. compound, and the content of preferable additives is 2wt%
～5wt%.
Further, in a steps, in mass ratio, Vanadium sesquioxide:Vanadic anhydride=2.5～3.5, preferably 3.2.a
In step, reaction temperature is higher or initial acidity of sulfuric acid is higher, and the response time then can shorten accordingly, in order to improve reaction effect
Rate, reaction temperature are preferably 90 DEG C, and the response time is preferably 30min.
In the preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, the sulphuric acid proportion of a steps is 1.3～
1.5, preferably sulfuric acid proportion is 1.42.
In order to cost-effective, while improving the quality of product, the consumption of sulphuric acid, in mass ratio, sulfur in a steps, can be limited
Acid:Compound=5～7:1.
In the preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, by volume, in b step go from
Sub- water:Sulphuric acid=0.6～1.4 in a steps:1, the preferred deionized water in b step:Sulphuric acid=0.8～1.2 in a steps:1,
Deionized water more preferably in b step:Sulphuric acid=1 in a steps:1.
In a steps, compound can be mixed in a conventional way with sulphuric acid, in order to improve the quality of product, preferred mixed
Conjunction method is as follows：Sulphuric acid is heated to 75～95 DEG C, then is added mixture in sulphuric acid.
In the preparation method of all-vanadium redox flow battery electrolytic solution of the present invention, raw material Vanadium sesquioxide and five is aoxidized
The purity of two vanadium can be to analyze pure or technical pure, in order to cost-effective, preferably technical pure.
In order to improve reaction efficiency, need to stir in whole reaction.
The present invention is prepared using autocatalytic method and contains V3+、V4+Ion concentration is 1:1 V electrolyte.In higher temperature
In dilute sulfuric acid system, in compound, vanadic anhydride is oxidized to tetravalence vanadium, three oxidations as the oxidant of Vanadium sesquioxide
Two vanadium are reduced into tetravalence vanadium as the reducing agent of vanadic anhydride, and the presence of vanadic anhydride has beneficial to Vanadium sesquioxide
Dissolving in sulfuric acid system；Additive can replace part vanadic anhydride or Vanadium sesquioxide as oxidant or reducing agent, add
Plus the consumption of agent is relevant with Vanadium sesquioxide proportioning with vanadic anhydride in compound；Vanadium sesquioxide is mixed with vanadic anhydride
Reaction of the material in sulfuric acid solution is exothermic reaction, reacts the carrying out that liberated heat is conducive to reacting.As reaction is carried out, body
In system, vanadium ion concentration gradually rises, and solution viscosity increases, and needs addition deionized water that solution is diluted to preferable concentration same
When reduce solution viscosity.In preparation process, if acidity of sulfuric acid is higher or reaction temperature is higher, shorter the time required to reaction.
The specific embodiment of the present invention is further described with reference to embodiment, not therefore by present invention limit
System is among described scope of embodiments.
Embodiment 1
V2O5：Technical pure
V2O3：Technical pure
H2SO4：Analyze pure, proportion d=1.84
Prepare proportion be 1.42 dilute sulfuric acid 20ml in three neck round bottom flask, maintain 90 DEG C of water-bath under the conditions of heat dilute sulfur
Acid is slowly added into 1.25 to 80 DEG C in flaskgV2O5With 3.75gV2O3Compound, reaction 30min after add 20ml go
Ionized water, continues water-bath 15min, and obtaining solution carries out sucking filtration, obtains total vanadium ion concentration with ferrous ammonium sulfate titration and is
1.4569mol·L-1, the concentration ratio of wherein trivalent vanadium and tetravalence vanadium is 1.0301.
Embodiment 2
V2O5：Technical pure
V2O3：Technical pure
H2SO4：Analyze pure, proportion d=1.84
H2O2：Analyze pure, proportion d=1.04
Prepare proportion be 1.42 dilute sulfuric acid 80ml in three neck round bottom flask, maintain 90 DEG C of water-bath under the conditions of heat dilute sulfur
Acid is slowly added into 4.44 to 80 DEG C in flaskgV2O5With 15.56gV2O3Compound, add 1mL hydrogen peroxide anti-
80ml deionized waters are added after answering 30min, continues water-bath 15min, obtaining solution carries out sucking filtration, uses ferrous ammonium sulfate titration
Determine total vanadium ion concentration is 1.4708mol L-1, the concentration ratio of wherein trivalent vanadium and tetravalence vanadium is 1.1613.
Embodiment 3
V2O5：Technical pure
V2O3：Technical pure
Oxalic acid：Analysis is pure
H2SO4：Analyze pure, proportion d=1.84
Prepare proportion be 1.42 dilute sulfuric acid 80ml in three neck round bottom flask, maintain 93 DEG C of water-bath under the conditions of heat dilute sulfur
Acid is slowly added into 0.5 to 80 DEG C in flaskgOxalic acid, 5.71gV2O5With 14.29gV2O3Compound, reaction 30min after
80ml deionized waters are added, continues water-bath 15min, obtaining solution carries out sucking filtration, with the total vanadium ion of ferrous ammonium sulfate titration
Concentration is 1.4628mol L-1, the concentration ratio of wherein trivalent vanadium and tetravalence vanadium is 1.0070.
Embodiment 4
V2O5：Technical pure
V2O3：Technical pure
H2SO4：Analyze pure, proportion d=1.84
Prepare proportion be 1.34 dilute sulfuric acid 75ml in three neck round bottom flask, maintain 95 DEG C of water-bath under the conditions of heat dilute sulfur
Acid is slowly added into 4.76 to 90 DEG C in flaskgV2O5With 15.24gV2O3Compound, reaction 40min after add 85ml
Deionized water, continues water-bath 20min, and obtaining solution carries out sucking filtration, with ferrous ammonium sulfate titration vanadium ion concentration is
1.4769mol·L-1, the concentration ratio of wherein trivalent vanadium and tetravalence vanadium is 0.9812.
Embodiment 5
V2O5：Technical pure
V2O3：Technical pure
H2SO4：Analyze pure, proportion d=1.84
Prepare proportion be 1.50 dilute sulfuric acid 85ml in three neck round bottom flask, maintain 80 DEG C of water-bath under the conditions of heat dilute sulfur
Acid is slowly added into 4.76 to 75 DEG C in flaskgV2O5With 15.24gV2O3Compound, reaction 10min after add 75ml
Deionized water, continues water-bath 5min, and obtaining solution carries out sucking filtration, with ferrous ammonium sulfate titration vanadium ion concentration is
1.5317mol·L-1, the concentration ratio of wherein trivalent vanadium and tetravalence vanadium is 0.9647.
Claims (17)
1. the preparation method of all-vanadium redox flow battery electrolytic solution, it is characterised in that its step is as follows：
A, compound is mixed with sulphuric acid, 75～95 DEG C of 10～40min of reaction obtain mixed liquor, and wherein, the compound includes three
V 2 O and vanadic anhydride, in mass ratio, Vanadium sesquioxide:Vanadic anhydride=2.5～4:1；
B, deionized water is added in a step gained mixed liquors, 75～95 DEG C of keeping temperature, 5～20min of reaction are filtered, gained
Filtrate is all-vanadium redox flow battery electrolytic solution；
Wherein, in a steps, the proportion of the sulphuric acid is 1.3～1.5, in mass ratio, sulphuric acid:Compound=5～7:1, by volume
Than the deionized water in b step:Sulphuric acid=0.6～1.4 in a steps:1.
2. the preparation method of all-vanadium redox flow battery electrolytic solution according to claim 1, it is characterised in that：a
In step, the compound is Vanadium sesquioxide and vanadic anhydride.
3. the preparation method of all-vanadium redox flow battery electrolytic solution according to claim 1, it is characterised in that：a
In step, the compound is Vanadium sesquioxide, vanadic anhydride and additive, wherein, Vanadium sesquioxide and vanadic anhydride
Mass ratio when being less than 3.2, the additive is oxalic acid or ascorbic acid；Vanadium sesquioxide is big with the mass ratio of vanadic anhydride
When 3.2, the additive is hydrogen peroxide.
4. the preparation method of all-vanadium redox flow battery electrolytic solution according to claim 3, it is characterised in that：Mixed
Close in material, the content of additive is less than 10wt%.
5. the preparation method of all-vanadium redox flow battery electrolytic solution according to claim 4, it is characterised in that：Add
Plus the content of agent is 2wt%～5wt%.
6. the preparation method of the all-vanadium redox flow battery electrolytic solution according to any one of Claims 1 to 5, its are special
Levy and be：In a steps, in mass ratio, Vanadium sesquioxide:Vanadic anhydride=2.5～3.5；Reaction temperature is 90 DEG C, during reaction
Between be 30min.
7. the preparation method of all-vanadium redox flow battery electrolytic solution according to claim 6, it is characterised in that：Three
V 2 O:Vanadic anhydride=3.2.
8. the preparation method of the all-vanadium redox flow battery electrolytic solution according to any one of Claims 1 to 5, its are special
Levy and be：Sulphuric acid proportion is 1.42.
9. the preparation method of the all-vanadium redox flow battery electrolytic solution according to any one of Claims 1 to 5, its are special
Levy and be：Deionized water in b step:Sulphuric acid=0.8～1.2 in a steps:1.
10. the preparation method of all-vanadium redox flow battery electrolytic solution according to claim 9, it is characterised in that：b
Deionized water in step:Sulphuric acid=1 in a steps:1.
The preparation method of 11. all-vanadium redox flow battery electrolytic solutions according to any one of Claims 1 to 5, its
It is characterised by：In a steps, compound with the mixed method of sulphuric acid is：Sulphuric acid is heated to 75～95 DEG C, then by compound
Add in sulphuric acid.
The preparation method of 12. all-vanadium redox flow battery electrolytic solutions according to claim 9, it is characterised in that：
In a steps, compound with the mixed method of sulphuric acid is：Sulphuric acid is heated to 75～95 DEG C, then adds mixture into sulphuric acid
In.
The preparation method of 13. all-vanadium redox flow battery electrolytic solutions according to any one of Claims 1 to 5, its
It is characterised by：The purity of the Vanadium sesquioxide and vanadic anhydride is technical pure.
The preparation method of 14. all-vanadium redox flow battery electrolytic solutions according to claim 9, it is characterised in that：
The purity of the Vanadium sesquioxide and vanadic anhydride is technical pure.
The preparation method of 15. all-vanadium redox flow battery electrolytic solutions according to claim 10, it is characterised in that：
The purity of the Vanadium sesquioxide and vanadic anhydride is technical pure.
The preparation method of 16. all-vanadium redox flow battery electrolytic solutions according to claim 11, it is characterised in that：
The purity of the Vanadium sesquioxide and vanadic anhydride is technical pure.
The preparation method of 17. all-vanadium redox flow battery electrolytic solutions according to claim 12, it is characterised in that：
The purity of the Vanadium sesquioxide and vanadic anhydride is technical pure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130914.XA CN103904343B (en) | 2014-04-02 | 2014-04-02 | The preparation method of all-vanadium redox flow battery electrolytic solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130914.XA CN103904343B (en) | 2014-04-02 | 2014-04-02 | The preparation method of all-vanadium redox flow battery electrolytic solution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103904343A CN103904343A (en) | 2014-07-02 |
| CN103904343B true CN103904343B (en) | 2017-03-15 |
Family
ID=50995566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410130914.XA Active CN103904343B (en) | 2014-04-02 | 2014-04-02 | The preparation method of all-vanadium redox flow battery electrolytic solution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103904343B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069066B (en) * | 2017-03-13 | 2020-09-08 | 河南弘康光能科技有限公司 | All-vanadium redox flow battery electrolyte and preparation method thereof |
| CN108470927B (en) * | 2018-03-20 | 2020-09-11 | 湖南工程学院 | Preparation method and application of high-energy-density vanadium electrolyte |
| CN111313071A (en) * | 2018-12-11 | 2020-06-19 | 中国科学院大连化学物理研究所 | All-vanadium redox flow battery negative electrode electrolyte and method for reducing negative electrode vanadium ion migration |
| CN110627122A (en) * | 2019-10-24 | 2019-12-31 | 成都先进金属材料产业技术研究院有限公司 | Preparation of VO by solid phase method2Method for phase change materials |
| CN112542603B (en) * | 2021-01-04 | 2022-09-13 | 贵州义信矿业有限公司 | Method for preparing energy storage vanadium electrolyte by using low-purity vanadium pentoxide |
| CN113036198B (en) * | 2021-05-26 | 2021-08-24 | 江苏泛宇能源有限公司 | Preparation method and equipment of all-vanadium redox flow battery electrolyte |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101572319A (en) * | 2009-06-18 | 2009-11-04 | 湖南维邦新能源有限公司 | Electrolyte for all-vanadium redox flow battery and preparation method thereof, and all-vanadium redox flow battery including the electrolyte |
| CN101593841A (en) * | 2008-05-30 | 2009-12-02 | 比亚迪股份有限公司 | A kind of redox flow batteries and redox flow batteries group |
| CN102110837A (en) * | 2011-01-30 | 2011-06-29 | 国网电力科学研究院武汉南瑞有限责任公司 | Preparation method of electrolyte for vanadium redox battery (VRB) |
| CN103427103A (en) * | 2013-07-29 | 2013-12-04 | 大连博融新材料有限公司 | Production method for electrolyte for high-purity all-vanadium flow batteries |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10125345A (en) * | 1996-10-23 | 1998-05-15 | Taiyo Koukou Kk | Manufacture of vanadium electrolyte |
| JPH1179748A (en) * | 1997-08-29 | 1999-03-23 | Kashimakita Kyodo Hatsuden Kk | Continuous production of high-purity vanadium electrolyte solution |
| JP2009512622A (en) * | 2005-10-24 | 2009-03-26 | ハイベルド スティール アンド バナディウム コーポレーション リミテッド | Preparation method of electrolyte |
-
2014
- 2014-04-02 CN CN201410130914.XA patent/CN103904343B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101593841A (en) * | 2008-05-30 | 2009-12-02 | 比亚迪股份有限公司 | A kind of redox flow batteries and redox flow batteries group |
| CN101572319A (en) * | 2009-06-18 | 2009-11-04 | 湖南维邦新能源有限公司 | Electrolyte for all-vanadium redox flow battery and preparation method thereof, and all-vanadium redox flow battery including the electrolyte |
| CN102110837A (en) * | 2011-01-30 | 2011-06-29 | 国网电力科学研究院武汉南瑞有限责任公司 | Preparation method of electrolyte for vanadium redox battery (VRB) |
| CN103427103A (en) * | 2013-07-29 | 2013-12-04 | 大连博融新材料有限公司 | Production method for electrolyte for high-purity all-vanadium flow batteries |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103904343A (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103904343B (en) | The preparation method of all-vanadium redox flow battery electrolytic solution | |
| CN103401010B (en) | Method for preparing electrolytes of all-vanadium flow battery | |
| CN106745246B (en) | A kind of method for preparing vanadic sulfate | |
| CN104037439A (en) | Combined chemical-electrochemical method for preparing vanadium redox flow battery electrolyte | |
| CN101562256B (en) | Preparation method of electrolyte used for all vanadium redox flow batteries | |
| CN103551197B (en) | One has hole cage pore passage structure magnetic metal organic framework material, preparation and for acylation reaction | |
| CN107857243A (en) | The method that titanium white by product thing ferrous sulfate prepares LITHIUM BATTERY superfine iron phosphate | |
| CN102110837A (en) | Preparation method of electrolyte for vanadium redox battery (VRB) | |
| Guo et al. | Research progress in preparation of electrolyte for all-vanadium redox flow battery | |
| CN111446478B (en) | Method for preparing vanadium battery electrolyte by taking vanadium-rich liquid as raw material | |
| CN110642292B (en) | Method for preparing vanadyl sulfate solution by using microemulsion | |
| CN108134046A (en) | A kind of clean preparation method of coprecipitation positive electrode carbonate precursor | |
| CN110523434A (en) | A kind of carbon-based keggin type phosphato-molybdic heteropolyacid catalyst of solid and its application | |
| CN108054413B (en) | Preparation method of high-energy 3.5-valent sulfur-salt mixed acid system vanadium electrolyte | |
| CN109928375A (en) | A method of ferric phosphate is prepared using calcium dihydrogen phosphate | |
| CN102029190B (en) | Preparation method of Fenton-like catalytic membrane | |
| CN116259811B (en) | Method for preparing vanadium electrolyte from sodium vanadate solution | |
| CN106450401B (en) | A method of vanadic sulfate is prepared using discarded V electrolyte | |
| CN102074719A (en) | Method for preparing electrolyte for all-vanadium redox flow battery | |
| CN104064795A (en) | Preparation method of high-purity vanadyl sulfate electrolyte | |
| CN110937610B (en) | Method for improving efficiency of preparing ammonia by reducing nitrogen with photocatalytic material | |
| CN112359219A (en) | Method for recovering lead oxide from waste lead-acid storage battery | |
| CN107442141A (en) | A kind of solid super-strong acid is used for the purposes and method for being catalyzed hydrogen peroxide/ozone | |
| CN111057875A (en) | Method for separating vanadium and chromium from solution by using microemulsion | |
| CN103215613A (en) | Method for producing hydroquinone through electrocatalytic reduction of p-benzoquinone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |