CN105006585A - Preparation method of electrolyte for all-vanadium redox-flow battery - Google Patents
Preparation method of electrolyte for all-vanadium redox-flow battery Download PDFInfo
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- CN105006585A CN105006585A CN201510312387.9A CN201510312387A CN105006585A CN 105006585 A CN105006585 A CN 105006585A CN 201510312387 A CN201510312387 A CN 201510312387A CN 105006585 A CN105006585 A CN 105006585A
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- 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
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a preparation method of an electrolyte for an all-vanadium redox-flow battery and particularly provides a preparation method of an electrolyte for an all-vanadium redox-flow battery which is high in concentration, good in stability and low in production cost. The problem that vanadium batteries in the prior art are low in electrolyte concentration, poor in stability, high in preparation cost and the like is solved. The preparation method of the electrolyte for the all-vanadium redox-flow battery comprises the following steps of using an oxalic acid and other reducing agents to reduce a part of vanadium pentoxide, then adding a stabilizing agent, arranging the agent in an electrolytic cell, performing constant-current electrolysis to obtain a trivalent vanadium and tetravalent vanadium mixed electrolyte, and the total vanadium concentration of the electrolyte for the all-vanadium redox-flow battery is 1.0 mol/L-5.0 mol/L. The preparation method of the electrolyte has the advantages that the process is simple, reaction conditions are easily controlled, the cost is remarkably reduced, the concentration performance of the obtained electrolyte is stable, the range of usage temperature is wide, industrial preparation is easy to achieve, and the like.
Description
Technical field
The invention belongs to electrolyte preparation field, be specifically related to a kind of all-vanadium redox flow battery electrolytic solution preparation method.
Background technology
In recent years, the continuous aggravation of the in short supply and environmental pollution of world energy sources, proposes new requirement to new energy source technology and high-efficiency energy-storage system.Vanadium oxide reduction flow battery, is called for short vanadium cell.A kind of novel electrochemical energy storage system, compared with traditional storage battery, have can fast, the feature such as the low and battery structure of Large Copacity discharge and recharge, self-discharge rate is simple, it is the ideal source form meeting the extensive energy storage of the novel energy such as wind energy, solar energy.
The active material of vanadium flow battery is in the electrolytic solution molten, and therefore, electrolyte is its core.For improving energy density and the useful life of battery, electrolyte solution should have high concentration, requires again high stability.How efficiently, prepare high concentration at low cost, the V electrolyte of high stability is the major issue that the scale of restriction all-vanadium flow battery is applied.The method preparing electrolyte used for all-vanadium redox flow battery at present mainly contains chemical method and electrolysis.It is slow to there is dissolution velocity in chemical method, and output is few, and the reducing agent added such as sulfur dioxide gas etc. can produce dust pollution to environment, but also there is the shortcoming that energy consumption is high, fail safe is low.And vanadium pentoxide powder solubility in sulfuric acid solution is little in electrolysis, cell reaction speed is comparatively slow, and need to add in batches, electrolysis time is long; The patent that investigation V electrolyte prepares aspect is visible, and what the raw material that existing patented technology adopts mostly was the most frequently used is trivalent and pentavalent vanadium oxide.Patent ZL200710188392.9 adopts trivalent vanadium to prepare electrolyte of vanadium redox battery.Vanadium trioxide is mixed with sulfuric acid, puts into tube furnace, at the temperature lower calcination of 100 ~ 300 degree, utilize air that part trivalent vanadium is oxidized into tetravalence, obtain three, the mixture of each half of tetravalence.Number of patent application 200910015369.9 adopts pentavalent vanadium to prepare electrolyte of vanadium redox battery.In vanadic oxide and sulfuric acid, add one or more aliphat organic substances as reducing agent, fully react under high temperature, obtain the tetravalence V electrolyte of vanadium concentration between 1 ~ 6mol/L.Patent ZL03159533.2 is on the basis that vanadic oxide and vanadium trioxide 1: 1 mix, and adopt the method for electrolysis to be reduced by electrolyte, preparation becomes trivalent and tetravalence vanadium ratio is the mixture of 1: 1.In above-mentioned various methods, adopt vanadic oxide, vanadium trioxide powder or the mixture of the two more, be dissolved in strong acid, by the reaction under hot conditions or by electrolysis, prepare V electrolyte.Feed preparation process is complicated, expensive, the production cycle long large-scale production being not suitable for electrolyte.
Summary of the invention
In order to overcome the deficiency of existing all-vanadium redox flow battery electrolyte chemistry and electrolytic preparation method, the object of the present invention is to provide a kind of all-vanadium redox flow battery electrolytic solution preparation method, chemical method and electrolysis are combined, with obtained high concentration, good stability, electrolyte used for all-vanadium redox flow battery that production cost is lower, thus extend all-vanadium flow battery useful life, avoid raw-material waste.
In order to achieve the above object, the present invention adopts following technical scheme:
A kind of all-vanadium redox flow battery electrolytic solution preparation method, with technical grade vanadic oxide raw material, with sulfuric acid and mixed in hydrochloric acid, then oxalic acid is added as reducing agent, reduction part vanadic oxide, finally enter electrolytic cell and carry out the mixed electrolytic solution that constant-current electrolysis prepares 3 valency vanadium and 4 valency vanadium, its concrete steps are as follows:
Step 1, technical grade vanadic oxide to be mixed with the concentrated sulfuric acid and concentrated hydrochloric acid, a certain amount of deionized water is added in gained mixed liquor, keep temperature 75 ~ 95 DEG C, and add oxalic acid reducing agent reaction 30 ~ 60min, the addition mol ratio of vanadic oxide and oxalic acid is 1:0.3 ~ 0.5; After reaction in mixed liquor, vanadium ion concentration is 0.3 ~ 2.5mol/L, and sulfuric acid concentration is 1.5 ~ 6mol/L, and concentration of hydrochloric acid is 2 ~ 7.5mol/L;
Step 2, reactant liquor step 1 obtained add in electrolytic cell and carry out constant-current electrolysis 2h ~ 5h, namely obtain the mixed electrolytic solution of 3 valency vanadium and 4 valency vanadium.
Further, add in electrolytic cell electrolysis after adding stabilizer in the reactant liquor that step 1 obtains, the quality of the stabilizer added is no more than 10% of stabilizer and reactant liquor quality sum again.Be preferably 2% ~ 5%.
Described stabilizer preferably adopts ethylene glycol, tartaric acid or tetraacethyl diaminoethanes.
The purity of described vanadic oxide, for analyzing pure or technical pure, in order to cost-saving, is preferably technical pure.
In order to improve reaction efficiency and prevent local bumping, whole course of reaction all stirs.
The present invention is with technical grade vanadic oxide raw material, with sulfuric acid and mixed in hydrochloric acid, then oxalic acid is added as reducing agent, reduction part vanadic oxide, enter electrolytic cell after finally adding the stabilizers such as tartaric acid and carry out the mixed electrolytic solution that constant-current electrolysis prepares 3 valency vanadium and 4 valency vanadium, advantage of the present invention and beneficial effect are:
1, adopting the inventive method can obtain concentration is 1.0mol/L ~ 5.0mol/L electrolyte of vanadium redox battery, and uses sulfuric acid and hydrochloric acid as support electrolyte, improves the chemical property of electrolyte.
2, the inventive method adopts vanadic oxide to be raw material, after the process of oxalic acid reducing agent, carry out electrolysis.Have produce consuming time short, raw material availability is high, cost is low, avoid the advantages such as secondary pollution.
3, in the electrolyte adopting this method to prepare, 3 valency vanadium, 4 valency vanadium ion concentration are than controlled, and electrolyte simultaneously as the both positive and negative polarity electrolyte of battery, can simplify the assembly process of battery, improve operating efficiency.
4, containing-NH
2,-COOH ,-OH, group material be stabilizer, improve the stability of vanadium redox battery electrolyte, electrolyte has wider electrochemical window and higher specific energy.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1.
1.36kg vanadic oxide is added in reactor, slowly adds the 1.9L concentrated sulfuric acid (concentration is 98%) and 2.6L concentrated hydrochloric acid (concentration is 37%), stir.Under the stirring state of rotating speed 100r/min, 5L deionized water is slowly added in reactor, the temperature in reactor is kept to be 80 DEG C, when under rotating speed 150r/min stirring state, divide and add 0.5kg oxalic acid 10 times, oxalic acid all adds rear stirring, vanadic oxide and oxalic acid is made fully to react 2h, obtain vanadium ion solution and partly do not dissolve vanadic oxide, and add 0.3kg ethylene glycol wherein as stabilizer, be transferred in electrolysis tank, carry out constant-current electrolysis 4h, be i.e. obtained all-vanadium redox flow battery electrolytic solution of the present invention.
Embodiment 2.
1.82kg vanadic oxide is added in reactor, slowly adds the 2.8L concentrated sulfuric acid (concentration is 98%) and 3L concentrated hydrochloric acid (concentration is 37%), stir.Under the stirring state of rotating speed 150r/min, 4L deionized water is slowly added in reactor, the temperature in reactor is kept to be 80 DEG C, when under rotating speed 200r/min stirring state, divide and add 0.4kg oxalic acid 10 times, oxalic acid all adds rear stirring, vanadic oxide and oxalic acid is made fully to react 2h, obtain vanadium ion solution and partly do not dissolve vanadic oxide, and add 0.3kg tartaric acid wherein as stabilizer, be transferred in electrolysis tank, carry out constant-current electrolysis 5h, be i.e. obtained all-vanadium redox flow battery electrolytic solution of the present invention.
Embodiment 3.
3.6kg vanadic oxide is added in reactor, slowly adds the 5.6L concentrated sulfuric acid (concentration is 98%) and 3L concentrated hydrochloric acid (concentration is 37%), stir.Under the stirring state of rotating speed 150r/min, 1L deionized water is slowly added in reactor, the temperature in reactor is kept to be 90 DEG C, when under rotating speed 250r/min stirring state, divide and add 1kg oxalic acid 20 times, oxalic acid all adds rear stirring, vanadic oxide and oxalic acid is made fully to react 2h, obtain vanadium ion solution and partly do not dissolve vanadic oxide, and add 0.4kg tetraacethyl diaminoethanes wherein as stabilizer, be transferred in electrolysis tank, carry out constant-current electrolysis 5h, be i.e. obtained all-vanadium redox flow battery electrolytic solution of the present invention.
Claims (6)
1. an all-vanadium redox flow battery electrolytic solution preparation method, it is characterized in that: with technical grade vanadic oxide raw material, with sulfuric acid and mixed in hydrochloric acid, then oxalic acid is added as reducing agent, reduction part vanadic oxide, finally enter electrolytic cell and carry out the mixed electrolytic solution that constant-current electrolysis prepares 3 valency vanadium and 4 valency vanadium, its concrete steps are as follows:
Step 1, technical grade vanadic oxide to be mixed with the concentrated sulfuric acid and concentrated hydrochloric acid, a certain amount of deionized water is added in gained mixed liquor, keep temperature 75 ~ 95 DEG C, and add oxalic acid reducing agent reaction 30 ~ 60min, the addition mol ratio of vanadic oxide and oxalic acid is 1:(0.3 ~ 0.5); After reaction in mixed liquor, vanadium ion concentration is 0.3 ~ 2.5mol/L, and sulfuric acid concentration is 1.5 ~ 6mol/L, and concentration of hydrochloric acid is 2 ~ 7.5mol/L;
Step 2, reactant liquor step 1 obtained add in electrolytic cell and carry out constant-current electrolysis 2h ~ 5h, namely obtain the mixed electrolytic solution of 3 valency vanadium and 4 valency vanadium.
2. a kind of all-vanadium redox flow battery electrolytic solution preparation method according to claim 1, it is characterized in that: add electrolysis in electrolytic cell again add stabilizer in the reactant liquor that step 1 obtains after, the quality of the stabilizer added is no more than 10% of stabilizer and reactant liquor quality sum.
3. a kind of all-vanadium redox flow battery electrolytic solution preparation method according to claim 2, is characterized in that: described in the quality of stabilizer that adds be 2% ~ 5% of stabilizer and reactant liquor quality sum.
4. a kind of all-vanadium redox flow battery electrolytic solution preparation method according to claim 2, is characterized in that: described stabilizer is ethylene glycol, tartaric acid or tetraacethyl diaminoethanes.
5. a kind of all-vanadium redox flow battery electrolytic solution preparation method according to claim 1, is characterized in that: the purity of described vanadic oxide is for analyzing pure or technical pure.
6. a kind of all-vanadium redox flow battery electrolytic solution preparation method according to claim 1, is characterized in that: in order to improve reaction efficiency and prevent local bumping, whole course of reaction all stirs.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539188A (en) * | 2016-01-25 | 2016-05-04 | 杭州海韵环保工程有限公司 | Flow electric vehicle system |
| CN106340664A (en) * | 2016-11-11 | 2017-01-18 | 攀钢集团攀枝花钢铁研究院有限公司 | All-vanadium battery electrolyte and preparation method thereof |
| CN107221703A (en) * | 2017-06-01 | 2017-09-29 | 合肥尚强电气科技有限公司 | A kind of manufacture craft of electrolyte for emergency power plant |
| CN108123161A (en) * | 2017-12-16 | 2018-06-05 | 长沙无道工业设计有限公司 | The colloidal electrolyte and vanadium cell of a kind of vanadium cell |
| CN108878943A (en) * | 2018-06-15 | 2018-11-23 | 中国大唐集团科学技术研究院有限公司西北分公司 | A method of all-vanadium redox flow battery electrolyte is prepared using waste and old SCR catalyst |
| CN109742432A (en) * | 2018-12-25 | 2019-05-10 | 武汉科技大学 | A kind of electrolyte and preparation method thereof for vanadium cell |
| CN109742433A (en) * | 2018-12-25 | 2019-05-10 | 武汉科技大学 | A kind of preparation method of vanadium redox battery electrolyte |
| CN111106374A (en) * | 2019-11-28 | 2020-05-05 | 浙江浙能技术研究院有限公司 | Preparation device and method of high-purity equimolar-concentration trivalent/quadrivalent vanadium electrolyte |
| CN112542603A (en) * | 2021-01-04 | 2021-03-23 | 贵州义信矿业有限公司 | Method for preparing energy storage vanadium electrolyte by using low-purity vanadium pentoxide |
| CN114142075A (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 | Preparation method of vanadium redox flow battery electrolyte |
| CN117673424A (en) * | 2023-12-29 | 2024-03-08 | 浙江聚合储能科技有限公司 | Electrolyte and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368762A (en) * | 1992-04-09 | 1994-11-29 | Kashima-Kita Electric Power Corporation | Method for producing vanadium electrolytic solution |
| JP2001052731A (en) * | 1999-08-16 | 2001-02-23 | Nippon Chem Ind Co Ltd | Manufacture of tervalent vanadium electrolytic solution |
| CN102170007A (en) * | 2011-03-29 | 2011-08-31 | 华中科技大学 | Anode electrolyte of highly stable full-vanadium fluid battery and preparation method thereof |
| CN102324547A (en) * | 2011-07-27 | 2012-01-18 | 四川省川威集团有限公司 | Preparation method of all-vanadium redox flow battery electrolyte |
-
2015
- 2015-06-09 CN CN201510312387.9A patent/CN105006585B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368762A (en) * | 1992-04-09 | 1994-11-29 | Kashima-Kita Electric Power Corporation | Method for producing vanadium electrolytic solution |
| JP2001052731A (en) * | 1999-08-16 | 2001-02-23 | Nippon Chem Ind Co Ltd | Manufacture of tervalent vanadium electrolytic solution |
| CN102170007A (en) * | 2011-03-29 | 2011-08-31 | 华中科技大学 | Anode electrolyte of highly stable full-vanadium fluid battery and preparation method thereof |
| CN102324547A (en) * | 2011-07-27 | 2012-01-18 | 四川省川威集团有限公司 | Preparation method of all-vanadium redox flow battery electrolyte |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105539188A (en) * | 2016-01-25 | 2016-05-04 | 杭州海韵环保工程有限公司 | Flow electric vehicle system |
| CN105539188B (en) * | 2016-01-25 | 2018-01-02 | 杭州海韵环保工程有限公司 | A kind of liquid stream electric vehicle system |
| CN106340664A (en) * | 2016-11-11 | 2017-01-18 | 攀钢集团攀枝花钢铁研究院有限公司 | All-vanadium battery electrolyte and preparation method thereof |
| CN106340664B (en) * | 2016-11-11 | 2019-02-12 | 成都先进金属材料产业技术研究院有限公司 | Full electrolyte of vanadium redox battery and preparation method thereof |
| CN107221703A (en) * | 2017-06-01 | 2017-09-29 | 合肥尚强电气科技有限公司 | A kind of manufacture craft of electrolyte for emergency power plant |
| CN108123161A (en) * | 2017-12-16 | 2018-06-05 | 长沙无道工业设计有限公司 | The colloidal electrolyte and vanadium cell of a kind of vanadium cell |
| CN108123161B (en) * | 2017-12-16 | 2020-10-30 | 长沙无道工业设计有限公司 | Colloid electrolyte of vanadium battery and vanadium battery |
| CN108878943A (en) * | 2018-06-15 | 2018-11-23 | 中国大唐集团科学技术研究院有限公司西北分公司 | A method of all-vanadium redox flow battery electrolyte is prepared using waste and old SCR catalyst |
| CN109742433A (en) * | 2018-12-25 | 2019-05-10 | 武汉科技大学 | A kind of preparation method of vanadium redox battery electrolyte |
| CN109742432A (en) * | 2018-12-25 | 2019-05-10 | 武汉科技大学 | A kind of electrolyte and preparation method thereof for vanadium cell |
| CN111106374A (en) * | 2019-11-28 | 2020-05-05 | 浙江浙能技术研究院有限公司 | Preparation device and method of high-purity equimolar-concentration trivalent/quadrivalent vanadium electrolyte |
| CN112542603A (en) * | 2021-01-04 | 2021-03-23 | 贵州义信矿业有限公司 | Method for preparing energy storage vanadium electrolyte by using low-purity vanadium pentoxide |
| CN114142075A (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 | Preparation method of vanadium redox flow battery electrolyte |
| CN114142075B (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 | Preparation method of vanadium redox flow battery electrolyte |
| CN117673424A (en) * | 2023-12-29 | 2024-03-08 | 浙江聚合储能科技有限公司 | Electrolyte and preparation method thereof |
| CN117673424B (en) * | 2023-12-29 | 2024-04-30 | 浙江聚合储能科技有限公司 | Electrolyte and preparation method thereof |
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