CN205319270U - Two electrolyte aluminium air microfluid batteries of a new generation's high power capacity high voltage - Google Patents
Two electrolyte aluminium air microfluid batteries of a new generation's high power capacity high voltage Download PDFInfo
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- CN205319270U CN205319270U CN201520925261.4U CN201520925261U CN205319270U CN 205319270 U CN205319270 U CN 205319270U CN 201520925261 U CN201520925261 U CN 201520925261U CN 205319270 U CN205319270 U CN 205319270U
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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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/023—Porous and characterised by the material
- H01M8/0234—Carbonaceous material
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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
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
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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
- Y02E60/50—Fuel cells
Abstract
The utility model relates to a two electrolyte aluminium air microfluid batteries of a new generation's high power capacity high voltage, including anode plate, negative plate and be in flow state's electrolyte, electrolyte includes anode liquor, cathodic electrolysis liquid, still including the positive pole pipeline, the negative pole pipeline that are used for carrying anode liquor, cathodic electrolysis liquid respectively, positive pole pipeline, negative pole pipeline still are provided with the porous septum constituting an ionic conduction inner chamber corresponding to anode plate, negative plate department intercommunication in the ionic conduction inner chamber, the anode plate is aluminum plate, and the negative plate is the air electrode, the anode liquor is alkali organic solution, and cathodic electrolysis liquid is the acidic aqueous solution, the utility model discloses an aluminum plate can not the NOT AND waterborne the anode liquor take place from the corrosion reaction, fundamentally solved among the aluminium -air cell aluminium electrode in electrolyte from corrosion problems, it lands to show has improved aluminium -air cell's capacity, leads to two kinds of electrolyte of super -acid and basicity moreover, can show the voltage that improves aluminium -air cell.
Description
Technical field
This utility model relates to cell art, is specifically related to a kind of a new generation double; two electrolyte aluminum air microfluid battery of high power capacity high voltage.
Background technology
Battery (Battery) refers to the segment space filling electrolyte solution and metal electrode to produce the cup of electric current, groove or other containers or clad vessel, and chemical energy can become the device of electric energy. Utilize the battery as energy source, can obtain that there is burning voltage, stabling current, long-time stable is powered, by the electric current that ectocine is only small, and battery structure is simple, easy to carry, discharge and recharge is easy to operation, not by the impact of outside climatic and temperature, stable and reliable for performance, the various aspects in modern society lives play great role.
Aluminium-air cell because of possess high-energy-density, light weight, safety, the advantage such as cheap and receive much concern, its with raffinal Al (containing aluminum 99.99%) as negative pole, oxygen for positive pole, with potassium hydroxide (KOH) or sodium hydroxide (NaOH) aqueous solution for electrolyte, oxygen in air is oxidant, produce chemical reaction when battery discharge, aluminum and oxygen effect are eventually converted into aluminium oxide. But, aluminum matter battery lead plate in the electrolytic solution extremely serious from corrosion phenomenon, constrain aluminium-air cell development. For this problem, two kinds of more solutions of employing are at present: (1) uses the aluminium alloy that with the addition of trace element as the anode of battery; (2) in electrolyte solution doping, with slow down aluminum electrode from corrosion rate. Although above two method can to a certain degree play the effect from corrosion suppressing aluminum electrode, but effect is not notable, it is impossible to fundamentally solve the aluminum matter battery lead plate problem from corrosion of aluminium-air cell.
Utility model content
The purpose of this utility model is in that to provide a kind of a new generation double; two electrolyte aluminum air microfluid battery of high power capacity high voltage for the deficiencies in the prior art, fundamentally solve aluminum electrode in aluminium-air cell in the electrolytic solution from etching problem, thus considerably improving the capacity of aluminium-air cell, and, due to anolyte in alkalescence, catholyte in acidity, the voltage of battery can be significantly improved.
This utility model is achieved through the following technical solutions this purpose:
The double, two electrolyte aluminum air microfluid battery of a new generation's high power capacity high voltage, including positive plate, minus plate and be in the electrolyte of flow regime, described electrolyte includes anolyte, catholyte, also include being respectively used to conveying anolyte, the anode pipe of catholyte, cathode pipe, described anode pipe, cathode pipe is corresponding to positive plate, the connection of minus plate place constitutes an ionic conduction inner chamber, described ionic conduction inner chamber is additionally provided with barrier film, described barrier film is arranged between anode pipe and cathode pipe, described positive plate connects with anode pipe and contacts with anolyte, described minus plate connects with cathode pipe and contacts with catholyte, described positive plate is aluminum plate, described minus plate is air electrode, described anolyte is highly basic organic solution, described catholyte is acidic aqueous solution.
Wherein, described anolyte, catholyte flowing in ionic conduction inner chamber are identical.
Wherein, described anolyte, catholyte are stratified flow regime in ionic conduction inner chamber.
As preferred technical scheme, described highly basic organic solution is any one in potassium hydroxide organic solution, sodium hydroxide organic solution or Lithium hydrate organic solution.
As preferred technical scheme, the solvent in described highly basic organic solution is methanol.
As it is further preferred that the concentration of described highly basic organic solution is 1~6mol/L.
As preferred technical scheme, described acidic aqueous solution is any one in aqueous sulfuric acid, aqueous hydrochloric acid solution or aqueous solution of nitric acid.
As it is further preferred that the concentration of described acidic aqueous solution is 1~6mol/L.
As preferred technical scheme, described barrier film is carbon paper.
As another preferred technical scheme, described barrier film is anion exchange membrane.
Relative to prior art, the beneficial effects of the utility model are: the double, two electrolyte aluminum air microfluid battery of a new generation of the present utility model high power capacity high voltage, including positive plate, minus plate and be in the electrolyte of flow regime, described electrolyte includes anolyte, catholyte, also include being respectively used to conveying anolyte, the anode pipe of catholyte, cathode pipe, described anode pipe, cathode pipe is corresponding to positive plate, the connection of minus plate place constitutes an ionic conduction inner chamber, described ionic conduction inner chamber is additionally provided with porous septum, described porous septum is arranged between anode pipe and cathode pipe, described positive plate connects with anode pipe and contacts with anolyte, described minus plate connects with cathode pipe and contacts with catholyte, described positive plate is aluminum plate, described minus plate is air electrode, described anolyte is highly basic organic solution, described catholyte is acidic aqueous solution, aluminum plate electrodes of the present utility model will not occur from corrosion reaction with nonaqueous anolyte, fundamentally solve aluminum electrode in aluminium-air cell in the electrolytic solution from etching problem, thus considerably improving the capacity of aluminium-air cell, and by acid and two kinds of electrolyte of alkalescence, it is remarkably improved the voltage of aluminium-air cell.
Accompanying drawing explanation
Fig. 1 is the structural representation of a new generation of the present utility model double; two electrolyte aluminum air microfluid battery of high power capacity high voltage.
In figure: 1-positive plate, 2-minus plate, 3-anolyte, 4-catholyte, 5-anode pipe, 6-cathode pipe, 7-barrier film.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, this utility model is described in detail.
Embodiment 1.
As shown in Figure 1, the double, two electrolyte aluminum air microfluid battery of the high power capacity high voltage of new generation of the present embodiment, including positive plate 1, minus plate 2 and be in the electrolyte of flow regime, described electrolyte includes anolyte 3, catholyte 4, also include being respectively used to conveying anolyte 3, the anode pipe 5 of catholyte 4, cathode pipe 6, described anode pipe 5, cathode pipe 6 is corresponding to positive plate 1, the connection of minus plate 2 place constitutes an ionic conduction inner chamber, described ionic conduction inner chamber is additionally provided with barrier film 7, described barrier film 7 is arranged between anode pipe 5 and cathode pipe 6, described positive plate 1 connects with anode pipe 5 and contacts with anolyte 3, described minus plate 2 connects with cathode pipe 6 and contacts with catholyte 4, described positive plate 1 is aluminum plate, described minus plate 2 is air electrode, described anolyte 3 is potassium hydroxide organic solution, described catholyte 4 is aqueous sulfuric acid.
Wherein, described anolyte 3, catholyte 4 flowing in ionic conduction inner chamber is identical, and described anolyte 3, catholyte 4 in ionic conduction inner chamber in stratified flow regime, in order to ensure that potassium hydroxide organic solution is in laminar condition with sulphuric acid is water-soluble and turbulent phenomenon does not occur, can be determined the flowing velocity of each electrolyte by the scope of reynolds number Re, the flowing velocity of described each electrolyte has the pump housing to be controlled.
Re=ρ vd/ μ
Wherein, the flow velocity of v, ρ, μ respectively electrolyte, density and viscosity coefficient, d is a characteristic length, for instance electrolyte flows through circular pipe, then d is the equivalent diameter of pipeline.
Wherein, in double; two electrolyte structure batteries of the present embodiment, described anode pipe 5 and cathode pipe 6 equivalently-sized, it is 3mm × 40mm × 1mm (long × wide × high), described potassium hydroxide organic solution, aqueous sulfuric acid flow velocity identical, be 0.065mlmin-1。
As it is further preferred that the concentration of described potassium hydroxide organic solution is 3mol/L.
As it is further preferred that the concentration of described aqueous sulfuric acid is 3mol/L.
As preferred technical scheme, described barrier film 7 is carbon paper.
The operation principle of the double; two electrolyte aluminum air microfluid battery of the high power capacity high voltage of new generation of the present embodiment:
The microfluid battery of the present embodiment realizes separating of anolyte 3 and catholyte 4 by micro-fluidic technologies (by electrolyte flow pipeline, the electrolyte being in flow regime) and carbon paper. In battery use procedure, positive plate 1 (aluminum electrode) is oxidized in the potassium hydroxide organic solution of alkalescence, release electronics, electronics arrives minus plate 2 (air electrode) by external circuit, participate in oxygen and reduction reaction occurs at air electrode place, in order to maintain charge balance, the potassium ion in potassium hydroxide organic solution migrates in aqueous sulfuric acid. Due to the organic solution that anolyte 3 is non-water system, therefore the corrosion certainly of aluminum obtains effective suppression, fundamentally solve aluminium sheet in aluminium-air cell (aluminum electrode) in the electrolytic solution from etching problem, thus considerably improving the capacity of aluminium-air cell, and by adopting acid and two kinds of electrolyte of alkalescence, it is remarkably improved the voltage of aluminium-air cell.
Embodiment 2.
The double, two electrolyte aluminum air microfluid battery of the high power capacity high voltage of new generation of the present embodiment, including positive plate 1, minus plate 2 and be in the electrolyte of flow regime, described electrolyte includes anolyte 3, catholyte 4, also include being respectively used to conveying anolyte 3, the anode pipe 5 of catholyte 4, cathode pipe 6, described anode pipe 5, cathode pipe 6 is corresponding to positive plate 1, the connection of minus plate 2 place constitutes an ionic conduction inner chamber, described ionic conduction inner chamber is additionally provided with porous septum 7, described porous septum 7 is arranged between anode pipe 5 and cathode pipe 6, described positive plate 1 connects with anode pipe 5 and contacts with anolyte 3, described minus plate 2 connects with cathode pipe 6 and contacts with catholyte 4, described positive plate 1 is aluminum plate, described minus plate 2 is air electrode, described anolyte 3 is sodium hydroxide organic solution, described catholyte 4 is aqueous hydrochloric acid solution.
As it is further preferred that the concentration of described sodium hydroxide organic solution is 6mol/L.
As it is further preferred that the concentration of described aqueous hydrochloric acid solution is 6mol/L.
As preferred technical scheme, described barrier film 7 is anion exchange membrane.
Other technical characteristic of the present embodiment, with embodiment 1, no longer repeats at this.
Embodiment 3.
The double, two electrolyte aluminum air microfluid battery of the high power capacity high voltage of new generation of the present embodiment, including positive plate 1, minus plate 2 and be in the electrolyte of flow regime, described electrolyte includes anolyte 3, catholyte 4, also include being respectively used to conveying anolyte 3, the anode pipe 5 of catholyte 4, cathode pipe 6, described anode pipe 5, cathode pipe 6 is corresponding to positive plate 1, the connection of minus plate 2 place constitutes an ionic conduction inner chamber, described ionic conduction inner chamber is additionally provided with porous septum 7, described porous septum 7 is arranged between anode pipe 5 and cathode pipe 6, described positive plate 1 connects with anode pipe 5 and contacts with anolyte 3, described minus plate 2 connects with cathode pipe 6 and contacts with catholyte 4, described positive plate 1 is aluminum plate, described minus plate 2 is air electrode, described anolyte 3 is Lithium hydrate organic solution, described catholyte 4 is aqueous solution of nitric acid.
As it is further preferred that the concentration of described Lithium hydrate organic solution is 1mol/L.
As it is further preferred that the concentration of described aqueous solution of nitric acid is 1mol/L.
As preferred technical scheme, described barrier film 7 is carbon paper.
Other technical characteristic of the present embodiment, with embodiment 1, no longer repeats at this.
Embodiment described above only have expressed some embodiments of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims. It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model. Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. the double, two electrolyte aluminum air microfluid battery of a new generation's high power capacity high voltage, including positive plate, minus plate and be in the electrolyte of flow regime, it is characterized in that: described electrolyte includes anolyte, catholyte, also include being respectively used to conveying anolyte, the anode pipe of catholyte, cathode pipe, described anode pipe, cathode pipe is corresponding to positive plate, the connection of minus plate place constitutes an ionic conduction inner chamber, described ionic conduction inner chamber is additionally provided with barrier film, described barrier film is arranged between anode pipe and cathode pipe, described positive plate connects with anode pipe and contacts with anolyte, described minus plate connects with cathode pipe and contacts with catholyte, described positive plate is aluminum plate, described minus plate is air electrode, described anolyte is highly basic organic solution, described catholyte is acidic aqueous solution.
2. a new generation according to claim 1 double; two electrolyte aluminum air microfluid battery of high power capacity high voltage, it is characterised in that: described anolyte, catholyte flowing in ionic conduction inner chamber is identical.
3. the double; two electrolyte aluminum air microfluid battery of a new generation according to claim 2 high power capacity high voltage, it is characterised in that: described anolyte, catholyte are stratified flow regime in ionic conduction inner chamber.
4. the double; two electrolyte aluminum air microfluid battery of a new generation according to claim 1 high power capacity high voltage, it is characterised in that: described highly basic organic solution is any one in potassium hydroxide organic solution, sodium hydroxide organic solution or Lithium hydrate organic solution.
5. the double; two electrolyte aluminum air microfluid battery of a new generation according to claim 4 high power capacity high voltage, it is characterised in that: the solvent of described highly basic organic solution is methanol.
6. the double; two electrolyte aluminum air microfluid battery of a new generation according to claim 4 high power capacity high voltage, it is characterised in that: the concentration of described highly basic organic solution is 1~6mol/L.
7. the double; two electrolyte aluminum air microfluid battery of a new generation according to claim 1 high power capacity high voltage, it is characterised in that: described acidic aqueous solution is any one in aqueous sulfuric acid, aqueous hydrochloric acid solution or aqueous solution of nitric acid.
8. the double; two electrolyte aluminum air microfluid battery of a new generation according to claim 7 high power capacity high voltage, it is characterised in that: the concentration of described acidic aqueous solution is 1~6mol/L.
9. the double; two electrolyte aluminum air microfluid battery of high power capacity high voltage of new generation according to claim 1-8 any one, it is characterised in that: described barrier film is carbon paper.
10. the double; two electrolyte aluminum air microfluid battery of high power capacity high voltage of new generation according to claim 1-8 any one, it is characterised in that: described barrier film is anion exchange membrane.
Priority Applications (2)
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CN201520925261.4U CN205319270U (en) | 2015-11-19 | 2015-11-19 | Two electrolyte aluminium air microfluid batteries of a new generation's high power capacity high voltage |
PCT/CN2016/090973 WO2017084376A1 (en) | 2015-11-19 | 2016-07-22 | New-generation high-capacity high-voltage dual-electrolyte aluminum air microfluidic battery |
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CN201520925261.4U CN205319270U (en) | 2015-11-19 | 2015-11-19 | Two electrolyte aluminium air microfluid batteries of a new generation's high power capacity high voltage |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017084376A1 (en) * | 2015-11-19 | 2017-05-26 | 广州道动新能源有限公司 | New-generation high-capacity high-voltage dual-electrolyte aluminum air microfluidic battery |
CN110233314A (en) * | 2019-06-28 | 2019-09-13 | 江苏大学 | Double electrolyte aluminium-air cells |
CN110492144A (en) * | 2019-08-17 | 2019-11-22 | 哈尔滨工业大学 | A kind of aluminium-air cell idle protection method |
CN112542596A (en) * | 2019-09-23 | 2021-03-23 | 易航时代(北京)科技有限公司 | Self-corrosion-resistant metal-air battery and preparation method and application thereof |
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US7435503B2 (en) * | 2004-06-10 | 2008-10-14 | Cornell Research Foundation, Inc. | Planar membraneless microchannel fuel cell |
CN102088115B (en) * | 2011-01-11 | 2013-03-13 | 中南大学 | Compound corrosion inhibitor of alkaline electrolyte of alkaline aluminium battery, electrolyte and preparation method of compound corrosion inhibitor |
CN205319270U (en) * | 2015-11-19 | 2016-06-15 | 广州道动新能源有限公司 | Two electrolyte aluminium air microfluid batteries of a new generation's high power capacity high voltage |
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2015
- 2015-11-19 CN CN201520925261.4U patent/CN205319270U/en active Active
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- 2016-07-22 WO PCT/CN2016/090973 patent/WO2017084376A1/en active Application Filing
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017084376A1 (en) * | 2015-11-19 | 2017-05-26 | 广州道动新能源有限公司 | New-generation high-capacity high-voltage dual-electrolyte aluminum air microfluidic battery |
CN110233314A (en) * | 2019-06-28 | 2019-09-13 | 江苏大学 | Double electrolyte aluminium-air cells |
CN110492144A (en) * | 2019-08-17 | 2019-11-22 | 哈尔滨工业大学 | A kind of aluminium-air cell idle protection method |
CN112542596A (en) * | 2019-09-23 | 2021-03-23 | 易航时代(北京)科技有限公司 | Self-corrosion-resistant metal-air battery and preparation method and application thereof |
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