CN2502443Y - Polar liquid flow all-vanadium ion oxidation and reduction energy storage device - Google Patents
Polar liquid flow all-vanadium ion oxidation and reduction energy storage device Download PDFInfo
- Publication number
- CN2502443Y CN2502443Y CN 01261333 CN01261333U CN2502443Y CN 2502443 Y CN2502443 Y CN 2502443Y CN 01261333 CN01261333 CN 01261333 CN 01261333 U CN01261333 U CN 01261333U CN 2502443 Y CN2502443 Y CN 2502443Y
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- vanadium ion
- positive plate
- energy storage
- storage device
- liquid flow
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Abstract
The utility model discloses a polar liquid flow all-vanadium ion oxidation and reduction energy storage device, comprising a shell. A positive plate and a negative plate are arranged inside the shell; the space surrounded by the positive plate is communicated with the liquid storage tank filed with bivalent and trivalent vanadium ion solution, and the space surrounded by the positive plate and the negative plate is communicated with the liquid storage tank filled with quadrivalent and quinquevalent vanadium ion solution; and the outside wall of the positive plate is pasted with permeable membrane. The utility model has the advantages of light weight, small size, fast charging, no pollution and long life span.
Description
The utility model relates to an energy storage device especially relates to a full vanadium ion redox energy storage device of polarity liquid stream.
At present, fuel resources are in shortage, and the environment is polluted when the fuel is used, so that the utilization of renewable energy sources is a subject of intensive research and development in all countries, such as the development of solar energy motor vehicles, energy storage electric locomotives and devices utilizing wind energy, wave energy, ocean current and the like. In this case energy storage and fast charging problems are faced. The small-capacity energy storage can be used for lead-acid storage batteries and lithium ion storage batteries, but the large capacity can not be used. If the installed capacity of the existing thermal power plant and substation is determined, but the peak value of electricity is unbalanced, how to balance the load becomes a big problem, and for solving the problem, great capital is spent in building a high-level energy storage power station in Thai An, the electric energy is converted into potential energy, and then the potential energy is converted into the electric energy, although the energy is lost in the conversion process, the method is a feasible scheme for solving the peak value. However, this problem is still not solved for environmentally less friendly areas.
The utility model aims at providing a full vanadium ion redox energy memory of polarity liquid stream, it can satisfy prior art's above-mentioned not enough.
A polar liquid flow all-vanadium ion redox energy storage device comprises a shell, wherein a positive plate and a negative plate are arranged in the shell, a space enclosed by the positive plate is communicated with a liquid storage tank filled with divalent and trivalent vanadium ion aqueous solutions through a liquid pump, a space enclosed by the positive plate and the negative plate is communicated with the liquid storage tank filled with tetravalent and pentavalent vanadium ion aqueous solutions through another liquid pump, and a permeable membrane is arranged on the outer wall of the positive plate.
The utility model discloses compare with lead acid battery, the cost is close, but has advantages such as light in weight, small, quick charge, pollution-free, longe-lived under the same power to can make big, medium and low power's series energy memory as required, be a green product. The device has no discharge of three wastes, and has the advantages of incomparable cost performance of lead-acid storage batteries, lithium ion batteries, nickel-hydrogen batteries and the like in the aspect of large-scale energy storage.
The present invention will be described below with reference to examples and drawings.
The attached drawing is the structure schematic diagram of the utility model.
The polar liquid flow all-vanadium ion redox energy storage device is provided with a shell 3, a positive plate 2 and a negative plate 1 are arranged in the shell 3, and the positive plate is formed by compounding and molding carbon fibers, a metal mesh, metal foil, graphite and aggregate with seepage performance and has seepage property. The cylindrical space enclosed by the positive plate 2 is communicated with a liquid storage tank 5 filled with divalent and trivalent vanadium ion aqueous solutions through a liquid pump 4, the circular cylindrical space enclosed by the positive plate 2 and the negative plate 1 is communicated with a liquid storage tank 7 filled with tetravalent and pentavalent vanadium ion aqueous solutions through another liquid pump 6, and the outer wall of the positive plate 2 is provided with a permeable membrane.
The device utilizes sulfate solution with the total concentration of vanadium ions of 2 mol and vanadium dielectric medium solution (V) with different valence5+/V4+；V2+/V3+) Respectively flows between the positive electrode and the negative electrode, and carries out oxidation-reduction reaction through the ion permeable membrane. The reaction is as follows:
positive electrode
Negative electrode
Different from lead-acid storage battery, it does not make cost of dissolving and separating out material, but uses vanadium compound with different valence states to complete discharging and charging process from high valence to low valence and from low valence to high valence. Vanadium metal ions can not be deposited from the dielectric solution in the oxidation-reduction process, so that no metal impurities are deposited in the device, and the energy storage discharge work can be finished at full load consistently.
This device can be used to power plant, transformer substation's peak regulation energy storage: wind power generation field energy storage, photoelectric conversion energy storage. The quick charging characteristic provides conditions for realizing city public transportation, motor vehicle motorization of taxi, boat motorization and the like. China is the most abundant vanadium soil resource which accounts for 1/2 of the total reserves in the world, and only primary processing raw materials are exported, so that economic loss is undoubted. The traditional lead-acid storage battery must be eliminated in the coming of the year. The utility model discloses an it is also the purpose of the utility model to utilize own resource advantage to change into theenergy advantage, develop domestic innovation energy storage industry to the development that drives relevant enterprise.
Claims (1)
1. The utility model provides a full vanadium ion redox energy memory of polarity liquid flow, has casing (3), positive plate (2) and negative plate (1) are equipped with in casing (3), the space that positive plate (2) enclose communicates through liquid pump (4) with liquid storage pot (5) that are equipped with bivalent and trivalent vanadium ion aqueous solution, the space that positive plate (2) and negative plate (1) enclose communicates through another liquid pump (6) with liquid storage pot (7) that are equipped with tetravalent and pentavalent vanadium ion aqueous solution, be equipped with the osmotic membrane on the outer wall of positive plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01261333 CN2502443Y (en) | 2001-08-26 | 2001-08-26 | Polar liquid flow all-vanadium ion oxidation and reduction energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01261333 CN2502443Y (en) | 2001-08-26 | 2001-08-26 | Polar liquid flow all-vanadium ion oxidation and reduction energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2502443Y true CN2502443Y (en) | 2002-07-24 |
Family
ID=33669290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01261333 Expired - Fee Related CN2502443Y (en) | 2001-08-26 | 2001-08-26 | Polar liquid flow all-vanadium ion oxidation and reduction energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2502443Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407477C (en) * | 2005-04-22 | 2008-07-30 | 中南大学 | Cathode for whole vanadium oxide reduction flow battery and preparation method thereof |
| CN102854120A (en) * | 2012-09-09 | 2013-01-02 | 中国科学院金属研究所 | Method and apparatus used for testing proton exchange membrane tetravalent vanadium ion penetration rate |
-
2001
- 2001-08-26 CN CN 01261333 patent/CN2502443Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407477C (en) * | 2005-04-22 | 2008-07-30 | 中南大学 | Cathode for whole vanadium oxide reduction flow battery and preparation method thereof |
| CN102854120A (en) * | 2012-09-09 | 2013-01-02 | 中国科学院金属研究所 | Method and apparatus used for testing proton exchange membrane tetravalent vanadium ion penetration rate |
| CN102854120B (en) * | 2012-09-09 | 2014-12-24 | 中国科学院金属研究所 | Method and apparatus used for testing proton exchange membrane tetravalent vanadium ion penetration rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |