CN204596879U - A kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization - Google Patents
A kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization Download PDFInfo
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- CN204596879U CN204596879U CN201520363100.0U CN201520363100U CN204596879U CN 204596879 U CN204596879 U CN 204596879U CN 201520363100 U CN201520363100 U CN 201520363100U CN 204596879 U CN204596879 U CN 204596879U
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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 all-vanadium flow battery technical field, refer in particular to a kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization, comprise liquid flow frame framework, liquid flow frame framework is provided with inlet and liquid outlet, reaction zone is provided with in liquid flow frame framework, inlet and liquid outlet are communicated with reaction zone respectively and arrange, and be provided with runner, Y type guiding gutter and electrolyte and distribute groove between reaction zone and inlet, liquid outlet.The utility model distributes groove by arranging runner, Y type guiding gutter and electrolyte between the reaction zone of liquid flow frame framework and inlet, liquid outlet, energy reasonable diffluence electrolyte, reduce electrolyte stream dynamic resistance and crushing, avoid occurring flow dead, electrolyte is made to be uniformly distributed at electrode surface and to flow fast, thus effectively improve the energy efficiency of all-vanadium flow battery, extend the useful life of battery.
Description
Technical field
The utility model relates to all-vanadium flow battery technical field, refers in particular to a kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization.
Background technology
All-vanadium flow battery be a kind ofly have that energy conversion efficiency is high, security of operation, power and capacity can the new and effective Large Copacity energy-storage batteries of the advantage such as independent design, long service life, can be used as supplementing of peak load regulation network energy storage device, have broad application prospects in fields such as new forms of energy access, intelligent grid construction.
All-vanadium flow battery is using the active material of the vanadium ion solution of different valence state as positive pole and negative pole, is stored in respectively in respective electrolyte storage tank.When to charging, discharging electric batteries, electrolyte is by the driving effect of pump, circulate between fluid reservoir and pile, and there is oxidation and reduction reaction at electrode surface, realize the charge and discharge to battery, pile is the core component of all-vanadium flow battery, is made up of electrode, barrier film, liquid flow frame and bipolar plates etc.Wherein, liquid flow frame is the most basic part, be the bogey of electrolyte at battery internal circulation flow, play the effect of sealing function and specification electrolyte type of flow in battery, the quality of its performance directly affects systematic function and the energy efficiency of all-vanadium flow battery.
At present, general liquid flow frame device mainly focuses on its sealing effectiveness to electrolyte, in this kind of liquid flow frame device, electrolyte enters, fluid runner adopts simple linear pattern runner mostly, show according to Hydrodynamics Theory and Fluent fluid simulation results, linear pattern runner easily causes fluid distrbution and voltage's distribiuting between all-vanadium flow battery each monomer uneven, increase the voltage difference between cell, thus cause cell integrated energy conversion efficiency to decline, the easy forming reactions dead band of simple linear pattern runner, cause battery local voltage too high, and then bipolar plates and electrode material are corroded, have a strong impact on the useful life of battery, and when battery is out of service, between each monomer, electrolyte still keeps UNICOM's state, the self discharge that electric leakage branch current can cause battery serious.In all-vanadium flow battery, widely used proton-conductive films relies on external import substantially, expensive, cause membrane material accounting rate in pile total cost comparatively large, the consumption being reduced proton-conductive films by the optimal design of electric pile structure will greatly reduce the cost of all-vanadium flow battery.At present, there is no open source literature or patent report reduce proton exchange membrane use amount case by the structure optimizing liquid flow frame device.
Utility model content
For above problem, the utility model provides a kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization, by carrying out rational Optimal Structure Designing to liquid flow frame device of the prior art, reduce electrolyte stream dynamic resistance and crushing, improve the uniformity of cell, thus effectively improve the energy efficiency of all-vanadium flow battery, design the seal groove of different structure respectively at liquid flow frame positive and negative simultaneously, while ensureing battery sealing-performance, effectively reduce the use amount of proton-conductive films, significantly reduce the cost of all-vanadium flow battery.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization, comprise liquid flow frame framework, liquid flow frame framework is provided with inlet and liquid outlet, reaction zone is provided with in liquid flow frame framework, inlet and liquid outlet are communicated with reaction zone respectively and arrange, and arrange runner, Y type guiding gutter and electrolyte and distribute groove between reaction zone and inlet, liquid outlet.
Further, runner, Y type guiding gutter, electrolyte distribute groove and are all located at liquid flow frame framework front.
Further, liquid flow frame framework is provided with some liquid flow frame location holes, and inlet and liquid outlet are corresponding with liquid flow frame location hole respectively to be arranged.
Further, liquid flow frame framework is provided with the first seal groove and the second seal groove, and the first seal groove is located at the front of flow liquid circle body, and the second seal groove is located at the back side of flow liquid circle body, and the first seal groove and the second seal groove are the sealing of two-shipper groove.
Further, the first seal groove and the second seal groove are round rectangle shape vibrational power flow, and the first seal groove is positioned at the outside of inlet and liquid outlet, and the second seal groove is positioned at the inner side of inlet and liquid outlet, the outside of reaction zone.
Further, inlet comprises the first inlet and the second inlet, and the first inlet and the second inlet are located on the left of liquid flow frame framework, and liquid outlet comprises the first liquid outlet and the second liquid outlet, and the first liquid outlet and the second liquid outlet are located on the right side of liquid flow frame framework.
Further, liquid flow frame framework edge placement is provided with some barrier film location holes, and barrier film location hole is positioned at the second seal groove outer ledge.
The beneficial effects of the utility model:
The utility model distributes groove by arranging runner, Y type guiding gutter and electrolyte between the reaction zone of liquid flow frame framework and inlet, liquid outlet, energy reasonable diffluence electrolyte, reduce electrolyte stream dynamic resistance and crushing, avoid occurring flow dead, electrolyte is made to be uniformly distributed at electrode surface and to flow fast, thus effectively improve the energy efficiency of all-vanadium flow battery, extend the useful life of battery; Flow liquid circle body front and the back side are respectively equipped with seal groove, effectively ensure the sealing of all-vanadium flow battery, also the use amount of proton-conductive films can be reduced about 20% simultaneously, greatly reduce the cost of all-vanadium flow battery.
Accompanying drawing explanation
Fig. 1 is the overall Facad structure schematic diagram of the utility model;
Fig. 2 is the utility model overall back side structural representation.
In figure: 1, liquid flow frame framework; 2, the first inlet; 3, the second inlet; 4, the first liquid outlet; 5, the second liquid outlet; 6, runner; 7, Y type guiding gutter; 8, electrolyte distributes groove; 9, the first seal groove; 10, the second seal groove; 11, barrier film location hole; 12, reaction zone; 13, liquid flow frame location hole.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the technical solution of the utility model is described.
As shown in Figure 1, the liquid flow frame device for all-vanadium liquid flow battery of a kind of structure optimization described in the utility model, comprise liquid flow frame framework 1, liquid flow frame framework 1 is provided with inlet and liquid outlet, reaction zone 12 is provided with in liquid flow frame framework 1, inlet and liquid outlet are communicated with reaction zone 12 respectively and arrange, and be provided with runner 6, Y type guiding gutter 7 and electrolyte and distribute groove 8 between reaction zone 12 and inlet, liquid outlet.The above forms the utility model basic structure.
Utility model works flow process: electrolyte enters from inlet, distribute groove 8 enter reaction zone 12 in liquid flow frame framework 1 through runner 6, Y type guiding gutter 7, electrolyte successively, after reacting in reaction zone 12, distribute groove 8, Y type guiding gutter 7, runner 6 through electrolyte successively, then flow out from liquid outlet.Adopt such vibrational power flow, energy reasonable diffluence electrolyte, reduces electrolyte stream dynamic resistance and crushing, avoid occurring flow dead, make electrolyte be uniformly distributed at electrode surface and flow fast, thus improve the energy efficiency of all-vanadium flow battery, extend the useful life of battery.
Preferably, runner 6 described in the utility model, Y type guiding gutter 7, electrolyte distribute groove 8 and are all located at liquid flow frame framework 1 front.
Liquid flow frame framework 1 described in the utility model is provided with some liquid flow frame location holes 13, and inlet and liquid outlet are corresponding with liquid flow frame location hole 13 respectively to be arranged.The utility model adopts some liquid flow frame location holes 13 to be positioned on same vertical curve with inlet, and some liquid flow frame location holes 13 are positioned on same vertical curve with liquid outlet.
Flow liquid circle body 1 described in the utility model is provided with the first seal groove 9 and the second seal groove 10, first seal groove 9 is located at liquid flow frame framework 1 front, second seal groove 10 is located at liquid flow frame framework 1 back side, and the first seal groove 9 and the second seal groove 10 are double flute sealing, as shown in Figure 2.First seal groove 9 and the second seal groove 10 are round rectangle shape vibrational power flow, and the first seal groove 9 is positioned at the outside of inlet and liquid outlet, and the second seal groove 10 is positioned at the inner side of inlet and liquid outlet, the outside of reaction zone 12.The utility model passes through at liquid flow frame framework 1 front first seal groove 9 and is provided with the second seal groove 10 on the back side, effectively ensure that the sealing of all-vanadium flow battery, also the use amount of proton-conductive films can be reduced about 20% simultaneously, greatly reduce the cost of all-vanadium flow battery.
Preferably, this practical described inlet comprises the first inlet 2 and the second inlet 3, first inlet 2 and the second inlet 3 are located on the left of liquid flow frame framework 1, liquid outlet comprises the first liquid outlet 4 and the second liquid outlet 5, first liquid outlet 4 and the second liquid outlet 5 and is located on the right side of flow liquid stream circle body 1.
Preferably, liquid flow frame framework 1 edge placement described in the utility model is provided with some barrier film location holes 11, and barrier film location hole 11 is positioned at the second seal groove outer ledge.
Be more than the utility model preferably execution mode, the utility model those skilled in the art can also change above-mentioned execution mode and revise.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement that every those skilled in the art do on basis of the present utility model, replacement or modification all belong to protection range of the present utility model.
Claims (7)
1. the liquid flow frame device for all-vanadium liquid flow battery of a structure optimization, comprise liquid flow frame framework (1), it is characterized in that: described liquid flow frame framework (1) is provided with inlet and liquid outlet, reaction zone (12) is provided with in described liquid flow frame framework (1), described inlet and liquid outlet are communicated with reaction zone (12) respectively and arrange, and arrange runner (6), Y type guiding gutter (7) and electrolyte and distribute groove (8) between described reaction zone (12) and inlet, liquid outlet.
2. the liquid flow frame device for all-vanadium liquid flow battery of a kind of structure optimization according to claim 1, is characterized in that: described runner (6), Y type guiding gutter (7), electrolyte distribute groove (8) and is all located at liquid flow frame framework (1) front.
3. the liquid flow frame device for all-vanadium liquid flow battery of a kind of structure optimization according to claim 1, it is characterized in that: described liquid flow frame framework (1) is provided with some liquid flow frame location holes (13), described inlet and liquid outlet are corresponding with liquid flow frame location hole (13) respectively to be arranged.
4. the liquid flow frame device for all-vanadium liquid flow battery of a kind of structure optimization according to claim 1, it is characterized in that: described liquid flow frame framework (1) is provided with the first seal groove (9) and the second seal groove (10), described first seal groove (9) is located at the front of liquid flow frame framework (1), described second seal groove (10) is located at the back side of liquid flow frame framework (1), and described first seal groove (9) and the second seal groove (10) are double flute sealing.
5. the liquid flow frame device for all-vanadium liquid flow battery of a kind of structure optimization according to claim 4, it is characterized in that: described first seal groove (9) and the second seal groove (10) are round rectangle shape vibrational power flow, described first seal groove (9) is positioned at the outside of inlet and liquid outlet, and described second seal groove (10) is positioned at the inner side of inlet and liquid outlet, the outside of reaction zone (12).
6. the liquid flow frame device for all-vanadium liquid flow battery of a kind of structure optimization according to claim 1, it is characterized in that: described inlet comprises the first inlet (2) and the second inlet (3), described first inlet (2) and the second inlet (3) are located at liquid flow frame framework (1) left side, described liquid outlet comprises the first liquid outlet (4) and the second liquid outlet (5), and described first liquid outlet (4) and the second liquid outlet (5) are located at liquid flow frame framework (1) right side.
7. the liquid flow frame device for all-vanadium liquid flow battery of a kind of structure optimization according to claim 4, it is characterized in that: described liquid flow frame framework (1) edge placement is provided with some barrier film location holes (11), and described barrier film location hole (11) is positioned at the second seal groove (10) outer ledge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520363100.0U CN204596879U (en) | 2015-05-29 | 2015-05-29 | A kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization |
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| CN201520363100.0U CN204596879U (en) | 2015-05-29 | 2015-05-29 | A kind of liquid flow frame device for all-vanadium liquid flow battery of structure optimization |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428093A (en) * | 2017-08-21 | 2019-03-05 | 上海电气集团股份有限公司 | Liquid flow frame and pile comprising it |
| DE102022106048A1 (en) | 2022-03-16 | 2023-09-21 | J.Schmalz Gmbh | Flow frame for an electrochemical cell |
| DE102022106049A1 (en) | 2022-03-16 | 2023-09-21 | J.Schmalz Gmbh | Flow frame for an electrochemical cell |
-
2015
- 2015-05-29 CN CN201520363100.0U patent/CN204596879U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428093A (en) * | 2017-08-21 | 2019-03-05 | 上海电气集团股份有限公司 | Liquid flow frame and pile comprising it |
| CN109428093B (en) * | 2017-08-21 | 2021-07-30 | 上海电气集团股份有限公司 | Liquid flow frame and electric pile comprising same |
| DE102022106048A1 (en) | 2022-03-16 | 2023-09-21 | J.Schmalz Gmbh | Flow frame for an electrochemical cell |
| DE102022106049A1 (en) | 2022-03-16 | 2023-09-21 | J.Schmalz Gmbh | Flow frame for an electrochemical cell |
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