CN102005583B - Gelled electrolyte of vanadium battery and vanadium battery - Google Patents
Gelled electrolyte of vanadium battery and vanadium battery Download PDFInfo
- Publication number
- CN102005583B CN102005583B CN2009101700560A CN200910170056A CN102005583B CN 102005583 B CN102005583 B CN 102005583B CN 2009101700560 A CN2009101700560 A CN 2009101700560A CN 200910170056 A CN200910170056 A CN 200910170056A CN 102005583 B CN102005583 B CN 102005583B
- Authority
- CN
- China
- Prior art keywords
- content
- sulfate
- colloidal electrolyte
- electrolyte
- weight
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Fuel Cell (AREA)
Abstract
The invention provides gelled electrolyte of a vanadium battery and the vanadium battery employing the gelled electrolyte. The gelled electrolyte comprises sulfuric acid, vanadyl sulfate, gelatin and an additive, wherein the additive comprises one or more of silicon dioxide, sulfate of alkali metal and/or alkaline earth, glycerol, salt of metal indium, and C1-C4 ammonium ethoxylated alkyl sulfate. The gelled electrolyte can weaken the migration of water along with protons on two sides of a diaphragm of the vanadium battery to ensure that the phenomenon of unbalanced concentration and volume of electrolyte ions at positive and negative poles is improved, and also can weaken the migration of vanadium oxide ions along with the protons on the two sides of the diaphragm of the vanadium battery to ensure that the self discharge of the vanadium battery is reduced; therefore, the cyclical stability of the vanadium battery can be improved, and the capillary seepage phenomenon of the electrolyte along with the diaphragm is stopped so as to avoid leakage.
Description
Technical field
The present invention relates to a kind of colloidal electrolyte of vanadium cell, also relate to a kind of vanadium cell that uses this colloidal electrolyte.
Background technology
(be vanadium cell, VBR) be that a kind of active material is the dynamic redox flow batteries of circular flow to all-vanadium ionic liquid flow battery, and it adopts and contains vanadium solution as positive and negative electrode electrolyte, finishes electron exchange at positive and negative electrode, realizes its charge and discharge; Wherein mainly adopt vanadic sulfate as the active material of battery.Vanadic sulfate, sulfuric acid and water are prepared V electrolyte in proportion, jointly form vanadium cell with suitable electrode material, battery container, electrolyte storage tank and electrolyte delivery system.
Because the vanadium cell active material is stored in the fluid reservoir of pile outside, compare with traditional solid phase storage battery that to have a concentration polarization little, battery capacity is adjusted greatly and easily, the life-span is long, can tolerate large current density, active material is renewable to be recycled, can not produce the advantages such as discarded object of contaminated environment, so since coming out, be subject to extensive concern and be rapidly developed international and domestic.Vanadium cell has lithium ion battery, the incomparable superiority of effectiveness of Ni-MH battery in extensive energy storage field.The production technology of vanadium cell is simple, price economy, and electrical property is excellent, and, expensive fuel cell complicated with manufacturing compared, and no matter is aspect extensive energy storage or the application prospect of electric powered motor power supply, all has more competitive strength.
Yet it is the rear energy efficiency decline that repeatedly circulates that vanadium cell is difficult to one of commercial bottleneck, and the life-span shortens, and operating cost increases.This mainly is because in charge and discharge process, thereby vanadium ion and water migration seriously cause the concentration of positive and negative electrode electrolyte ion and volume imbalance to cause in the both positive and negative polarity electrolyte.Simultaneously, the migration of vanadium ion also causes the self discharge of vanadium cell, and this also is one of reason of energy efficiency decline.
CN1719655A discloses a kind of full vanadium ion fluid cell electrolyte and preparation method thereof, this electrolyte is that the additive of 0-5%w/w forms by V salt sulfate, sulfuric acid, water, ethanol and content, and described additive is one or more in sodium sulphate, sodium pyrophosphate, prodan, the hydrogen peroxide.Used the stability, electric conductivity of this electrolyte of additive to improve, but this electrolyte the migration of water and vanadium does not improve in the running of vanadium cell, the electrolyte utilance is low, the stable circulation performance is poor, need to often safeguard.
Summary of the invention
The object of the invention is to overcome the lower defective of stable circulation performance that the electrolyte that exists in the above-mentioned prior art makes vanadium cell, the colloidal electrolyte of the higher vanadium cell of a kind of stable circulation performance that makes vanadium cell is provided, a kind of vanadium cell that uses colloidal electrolyte of the present invention also is provided.
The invention provides a kind of colloidal electrolyte of vanadium cell, this colloidal electrolyte contains sulfuric acid, vanadic sulfate, gelatin and additive, and described additive contains sulfate, the glycerine of silicon dioxide, alkali metal or alkaline-earth metal, salt and the C of indium metal
1-C
4The alkylsurfuric acid ammonium salt.
The present invention also provides a kind of vanadium cell, this vanadium cell comprises the element cell of a plurality of series connection, each element cell comprises anodal assembly, negative pole assembly and the barrier film between this positive pole assembly and negative pole assembly, described anodal assembly comprises liquid flow frame, collector and anode plate, described negative pole assembly comprises liquid flow frame, collector and negative plates, in the both sides of described barrier film, accommodates respectively electrolyte in the described liquid flow frame, wherein, described electrolyte is colloidal electrolyte provided by the invention.
Use this colloidal electrolyte, can weaken water with the migration of proton in vanadium cell barrier film both sides, concentration and the unbalanced phenomenon of volume of positive and negative electrode electrolyte ion are made moderate progress, can also weaken the vanadium oxonium ion with the migration of proton in vanadium cell barrier film both sides, the self discharge of vanadium cell is reduced; Can improve thus the stable circulation performance of vanadium cell, and stop electrolyte and ooze out phenomenon with the capillary of barrier film, thereby can avoid the generation of leakage problem.
Embodiment
The colloidal electrolyte of vanadium cell provided by the invention contains sulfuric acid, vanadic sulfate, gelatin and additive, and described additive contains sulfate, the glycerine of silicon dioxide, alkali metal and/or alkaline-earth metal, salt and the C of indium metal
1-C
4In the alkylsurfuric acid ammonium salt one or more.
According to colloidal electrolyte provided by the invention, consisting of vanadium cell is sulfuric acid, vanadic sulfate and gelatin with the most basic composition of colloidal electrolyte solution, by with contain above-mentioned various composition at least a additive cooperate, in this additive under a kind of composition or the preferable case under the synergy of various compositions, can improve vanadium cell thixotropy, the electrochemical stability of colloidal electrolyte, improve vanadium cell with the conductivity of colloidal electrolyte, reduce the internal resistance of electrolyte, can eliminate the easy liberation of hydrogen of electrolyte, analyse the problem of oxygen.Therefore, vanadium cell provided by the invention, is dressed up pile charge and discharge process convexity in actual sets and has been revealed its plurality of advantages on the basis that reaches the electrolyte chemical property with colloidal electrolyte.
According to colloidal electrolyte provided by the invention, in the preferred case, in described colloidal electrolyte, the content of sulfuric acid is the 250-500 grams per liter, be preferably the 290-400 grams per liter, the content of vanadic sulfate is the 150-500 grams per liter, be preferably the 240-330 grams per liter, the content of gelatin is the 10-60 grams per liter, be preferably the 15-30 grams per liter, and the content of described additive is the 10-200 grams per liter, be preferably the 20-150 grams per liter.
According to colloidal electrolyte provided by the invention, in the preferred case, in described colloidal electrolyte, the content of silicon dioxide is the 0.1-4 % by weight, be preferably the 0.5-2 % by weight, the content of the sulfate of alkali metal and/or alkaline-earth metal is the 0.5-5 % by weight, be preferably the 1.5-3 % by weight, the content of glycerine is the 0.1-4 % by weight, be preferably the 1-2 % by weight, and the content of the salt of indium metal is the 0.5-5 % by weight, be preferably 0.5-2 % by weight, C
1-C
4The content of alkylsurfuric acid ammonium salt is the 0.5-5 % by weight, be preferably the 1-3 % by weight.
According to colloidal electrolyte provided by the invention, the salt of described indium metal can adopt the salt of various indium metal, for example can be in indium nitrate, indium sulfate and the inidum chloride one or more.
According to colloidal electrolyte provided by the invention, the sulfate of described alkali metal and/or alkaline-earth metal can be various alkali-metal sulfate, for example can be in sodium sulphate, the sulphate of potash and magesium one or more.
According to colloidal electrolyte provided by the invention, in the preferred case, described C
1-C
4The alkylsurfuric acid ammonium salt can be in tetramethyl ammonium hydrogen sulfate, tetramethyl ammonium sulfate, tetraethyl ammonium hydrogen sulfate, tetraethyl ammonium sulfate, positive tetrapropyl ammonium hydrogen sulfate, positive tetrapropyl ammonium sulfate, positive 4-butyl ammonium hydrogen sulfate and the positive tetrabutyl ammonium sulfate one or more.
The preparation method of colloidal electrolyte of the present invention can adopt the whole bag of tricks to carry out, for example preferred the method is, obtain each composition of colloidal electrolyte by above-mentioned content proportioning, then in the aqueous solution of sulfuric acid, add gelatin and silicon dioxide, under agitation be heated to 50-60 ℃, they are stirred, until gelatin and silicon dioxide dissolve fully; After resulting solution is cooled to room temperature, add vanadic sulfate it is dissolved in the resulting solution, stir until vanadic sulfate dissolves fully, add successively subsequently sulfate, the salt of indium metal, the C of alkali metal or alkaline-earth metal
1-C
4Alkylsurfuric acid ammonium salt and glycerine stir until fully dissolving obtains the colloidal electrolyte that vanadium cell is used.
In above-mentioned preparation method, in order to form the stable sulfuric acid hydrosol, the particle diameter of preferred silicon dioxide is the 20-100 nanometer, and the silicon dioxide of this particle diameter preferably adopts aerosil, and more preferably the purity of this aerosil is greater than 99%.Gelatin preferably adopts industrial gelatin.
Vanadium cell provided by the invention comprises the element cell of a plurality of series connection, each element cell comprises anodal assembly, negative pole assembly and the barrier film between this positive pole assembly and negative pole assembly, described anodal assembly comprises liquid flow frame, collector and anode plate, described negative pole assembly comprises liquid flow frame, collector and negative plates, both sides at described barrier film, accommodate respectively electrolyte in the described liquid flow frame, wherein, described electrolyte is colloidal electrolyte provided by the invention.
Because the present invention relates generally to improvement to electrolyte, structure and the annexation of other parts of vanadium cell is not particularly limited, can be structure and the annexation of the vanadium cell of this area routine, the present invention does not repeat them here.
The below adopts the mode of specific embodiment that the present invention is explained in further detail.
Embodiment 1
The preparation colloidal electrolyte.
Be to add 24 gram gelatin and 20.2 gram aerosils in sulfuric acid (the analyzing pure) aqueous solution of 3mol/L in 1L concentration, under agitation be heated to 50 ℃, they are stirred until gelatin and silicon dioxide dissolve fully; After resulting solution cooling, add 348 and restrain the vanadic sulfate crystal that contains 4 crystallizations water, it is dissolved in the resulting solution, stir until vanadic sulfate dissolves fully, add successively subsequently 35.4 gram sodium sulphate (analyzing pure), 17 gram indium nitrates (analyzing pure), 28 gram positive 4-butyl ammonium hydrogen sulfates (analyzing pure) and 25.5 gram glycerine (analyzing pure), stir until fully dissolving, obtain density and be the colloidal electrolyte that the vanadium cell of 1.36 grams per milliliters is used.
Comparative Examples 1
Be to add the vanadic sulfate crystal that 348 grams contain 4 crystallizations water in sulfuric acid (the analyzing pure) aqueous solution of 3mol/L in 1L concentration, it is dissolved in the resulting solution, stir until vanadic sulfate dissolves fully, add successively subsequently Na
2SO
430g, prodan (analyzing pure) 16g, absolute ethyl alcohol 30ml stirs until fully dissolving obtains the electrolyte that vanadium cell is used.
Embodiment 2
The preparation colloidal electrolyte.
Be to add 30 gram gelatin and 23.8 gram aerosils in sulfuric acid (the analyzing pure) aqueous solution of 3mol/L in 1L concentration, under agitation be heated to 50 ℃, they are stirred until gelatin and silicon dioxide dissolve fully; After resulting solution cooling, add 478 and restrain the vanadic sulfate crystal that contains 4 crystallizations water, it is dissolved in the resulting solution, stir until vanadic sulfate dissolves fully, add successively subsequently 41.7 gram sodium sulphate (analyzing pure), 20 gram indium nitrates (analyzing pure), 33 gram positive 4-butyl ammonium hydrogen sulfates (analyzing pure) and 30 gram glycerine (analyzing pure), stir until fully dissolving, obtain density and be the colloidal electrolyte that the vanadium cell of 1.4 grams per milliliters is used.
Embodiment 3
The preparation colloidal electrolyte.
Be to add 15 gram gelatin and 11.9 gram aerosils in sulfuric acid (the analyzing pure) aqueous solution of 3mol/L in 1L concentration, under agitation be heated to 50 ℃, they are stirred until gelatin and silicon dioxide dissolve fully; After resulting solution cooling, add 420 and restrain the vanadic sulfate crystal that contains 4 crystallizations water, it is dissolved in the resulting solution, stir until vanadic sulfate dissolves fully, add successively subsequently 20.8 gram sodium sulphate (analyzing pure), 10 gram indium nitrates (analyzing pure), 16.5 gram positive 4-butyl ammonium hydrogen sulfates (analyzing pure) and 15 gram glycerine (analyzing pure), stir until fully dissolving, obtain density and be the colloidal electrolyte that the vanadium cell of 1.3 grams per milliliters is used.
Performance test
The preparation of vanadium cell
(it is that 5mm, resistivity are 1.4 * 10 that this graphite felt adopts the thickness available from Liaoyang Jin Gu company as battery electrode to adopt graphite felt
-3The graphite felt of Ω cm), collector material adopts high-density graphite plate (thickness 3mm), conductive diaphragm adopts the homogeneous phase cation exchange film in the Zhejiang eternal lasting after the activation processing, make the liquid flow frame plate with the PVC plate and make respectively vanadium liquid stream monocell, anodal pond is of a size of 100 * 100 * 5mm, the negative pole pond is of a size of 100 * 100 * 5mm, and adds colloidal electrolyte respectively in anodal pond and negative pole pond.The injection rate of electrolyte is each 175mL of positive and negative electrode pond.
Use discharges and recharges instrument (BS-9362 secondary cell testing apparatus after being assembled into monocell, Qingtian Industry Co., Ltd., Guangzhou) carries out under the following conditions charge-discharge test: take the charging current for charging of 4A to cut-ff voltage as 1.75V, then the discharging current take 4A is discharged to cut-ff voltage as 0.8V, each 1 minute shelve is set after the charging end all.So circulation, the electric discharge capacity is to 70% cycle-index of initial capacity.
The charge-discharge energy value can be demonstrated from discharging and recharging on the instrument, charge-discharge energy efficient can be obtained by the ratio with the initial charge/discharge energy value.
According to above-mentioned performance test methods embodiment 1-3 and Comparative Examples 1 resulting colloidal electrolyte are tested, acquired results is listed in the table 1.
Table 1
| Embodiment | Energy efficiency (%) | Discharge capacity is down to initial 70% cycle-index |
| Embodiment 1 | 92 | 85 |
| Comparative Examples 1 | 80 | 63 |
| Embodiment 2 | 85 | 70 |
| Embodiment 3 | 83 | 75 |
From the results shown in Table 1, vanadium cell of the present invention has very high energy efficiency with colloidal electrolyte, and cyclical stability is very high.
Claims (9)
1. the colloidal electrolyte of a vanadium cell, this colloidal electrolyte contains sulfuric acid, vanadic sulfate, gelatin and additive, and described additive contains sulfate, the glycerine of silicon dioxide, alkali metal and/or alkaline-earth metal, salt and the C of indium metal
1-C
4The alkylsurfuric acid ammonium salt.
2. colloidal electrolyte according to claim 1, wherein, in described colloidal electrolyte, the content of sulfuric acid is the 250-500 grams per liter, the content of vanadic sulfate is the 150-500 grams per liter, and the content of gelatin is the 10-60 grams per liter, and the content of described additive is the 10-200 grams per liter.
3. colloidal electrolyte according to claim 2, wherein, in described colloidal electrolyte, the content of sulfuric acid is the 290-400 grams per liter, the content of vanadic sulfate is the 240-330 grams per liter, and the content of gelatin is the 15-30 grams per liter, and the content of described additive is the 20-150 grams per liter.
4. according to claim 1,2 or 3 described colloidal electrolytes, wherein, in described colloidal electrolyte, the content of silicon dioxide is the 0.1-4 % by weight, the content of the sulfate of alkali metal and/or alkaline-earth metal is the 0.5-5 % by weight, the content of glycerine is the 0.1-4 % by weight, and the content of the salt of indium metal is the 0.5-5 % by weight, C
1-C
4The content of alkylsurfuric acid ammonium salt is the 0.5-5 % by weight.
5. colloidal electrolyte according to claim 4, wherein, the content of silicon dioxide is the 0.5-2 % by weight, the total content of the sulfate of alkali metal and/or alkaline-earth metal is the 1.5-3 % by weight, the content of glycerine is the 1-2 % by weight, and the content of the salt of indium metal is the 0.5-2 % by weight, C
1-C
4The content of alkylsurfuric acid ammonium salt is the 1-3 % by weight.
6. colloidal electrolyte according to claim 1, wherein, the salt of described indium metal is one or more in indium nitrate, indium sulfate and the inidum chloride.
7. colloidal electrolyte according to claim 1, wherein, the sulfate of described alkali metal and/or alkaline-earth metal is one or more in sodium sulphate, the sulphate of potash and magesium.
8. colloidal electrolyte according to claim 1, wherein, described C
1-C
4The alkylsurfuric acid ammonium salt is one or more in tetramethyl ammonium hydrogen sulfate, tetramethyl ammonium sulfate, tetraethyl ammonium hydrogen sulfate, tetraethyl ammonium sulfate, positive tetrapropyl ammonium hydrogen sulfate, positive tetrapropyl ammonium sulfate, positive 4-butyl ammonium hydrogen sulfate and the positive tetrabutyl ammonium sulfate.
9. vanadium cell, this vanadium cell comprises the element cell of a plurality of series connection, each element cell comprises anodal assembly, negative pole assembly and the barrier film between this positive pole assembly and negative pole assembly, described anodal assembly comprises liquid flow frame, collector and anode plate, described negative pole assembly comprises liquid flow frame, collector and negative plates, both sides at described barrier film, accommodate respectively electrolyte in the described liquid flow frame, wherein, described electrolyte is the described colloidal electrolyte of any one in according to claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101700560A CN102005583B (en) | 2009-09-01 | 2009-09-01 | Gelled electrolyte of vanadium battery and vanadium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101700560A CN102005583B (en) | 2009-09-01 | 2009-09-01 | Gelled electrolyte of vanadium battery and vanadium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102005583A CN102005583A (en) | 2011-04-06 |
| CN102005583B true CN102005583B (en) | 2013-03-20 |
Family
ID=43812779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101700560A Active CN102005583B (en) | 2009-09-01 | 2009-09-01 | Gelled electrolyte of vanadium battery and vanadium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102005583B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515641B (en) * | 2012-06-18 | 2016-04-13 | 攀钢集团攀枝花钢铁研究院有限公司 | A kind of trivalent vanadium ion electrolyte and preparation method thereof and a kind of vanadium cell |
| CN109326795B (en) * | 2017-08-01 | 2021-05-14 | 湖南汇锋高新能源有限公司 | Positive and negative electrode and high-energy solid vanadium battery using same |
| CN107634249A (en) * | 2017-09-19 | 2018-01-26 | 芜湖人本合金有限责任公司 | A kind of electrolyte of vanadium redox battery of sulfur acid vanadyl |
| 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 |
| JP7072643B2 (en) * | 2018-04-27 | 2022-05-20 | 京セラ株式会社 | Flow battery system and control method |
| CN108550905B (en) * | 2018-06-05 | 2020-07-03 | 湖南汇锋高新能源有限公司 | Nano composite vanadium electrolyte, preparation method thereof and static vanadium battery comprising nano composite vanadium electrolyte |
| CN113921793B (en) * | 2021-10-10 | 2022-10-28 | 郑州大学 | Inorganic composite hydrogel electrolyte membrane, preparation thereof and application thereof in water-based zinc ion battery |
| CN114540842B (en) * | 2022-02-25 | 2024-01-19 | 山东第一医科大学附属省立医院(山东省立医院) | Device for preparing sodium hypochlorite disinfection colloid by electrolyzing salt |
| CN116014203A (en) * | 2023-02-21 | 2023-04-25 | 宿迁时代储能科技有限公司 | Method for improving utilization rate and stability of vanadium electrolyte and application of additive |
-
2009
- 2009-09-01 CN CN2009101700560A patent/CN102005583B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102005583A (en) | 2011-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102005583B (en) | Gelled electrolyte of vanadium battery and vanadium battery | |
| Li et al. | Issues and future perspective on zinc metal anode for rechargeable aqueous zinc‐ion batteries | |
| CN103137986B (en) | A kind of zinc bromine single flow battery | |
| JP6231202B2 (en) | All vanadium redox flow battery and operation method thereof | |
| CN109509901B (en) | Alkaline zinc-iron flow battery | |
| CN113764714A (en) | Electrolyte of water system flow battery, all-iron water system flow battery and application | |
| CN102881931A (en) | Phosphorus-containing all-vanadium redox flow battery anode electrolyte | |
| CN103928716A (en) | Lead-acid battery with coexisting acid, alkali and salt electrolyte solutions | |
| CN108470949B (en) | A kind of lead-acid accumulator is with high-efficiency activated dose and preparation method thereof | |
| CN102227029B (en) | High-concentration vanadium electrolyte and preparation method thereof | |
| CN103779599B (en) | The rich lithium manganese solid solution battery of a kind of circulation | |
| CN109860658A (en) | A kind of restoration methods of zinc bromine single flow battery performance | |
| CN103000926A (en) | Electrolyte of vanadium battery | |
| CN109888411A (en) | A kind of big multiplying power, long circulating, wide warm area water system sodium ion full battery | |
| CN112216856B (en) | Hydrochloric acid electrolyte stable at high temperature, preparation method and application thereof | |
| CN102881932B (en) | Vanadium redox flow battery electrolyte containing manganese | |
| CN103904352B (en) | Zinc electrolyte for flow battery and preparation method thereof | |
| WO2023082842A1 (en) | Alkaline negative electrode electrolyte and alkaline zinc-iron flow battery assembled by same | |
| CN112952172A (en) | Alkaline iron-nickel flow battery | |
| CN102427143A (en) | Electrolyte using aminosulfonic acid as solvent and redox cell using the same | |
| CN116315159A (en) | Novel aqueous zinc ion battery electrolyte and preparation method and application thereof | |
| CN114388859B (en) | Negative electrode electrolyte for all-iron flow battery | |
| CN106099209B (en) | A kind of power lead-acid storage battery electrolysis additive and preparation method thereof | |
| CN104134814A (en) | High-specific-energy flow cell anode electrolyte, and preparation method and application of electrolyte | |
| CN104064816B (en) | A kind of electrolysis additive of lead-acid accumulator suppression liberation of hydrogen and preparation method thereof |
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 |