CN102760903B - Vanadium battery - Google Patents
Vanadium battery Download PDFInfo
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- CN102760903B CN102760903B CN201210278804.9A CN201210278804A CN102760903B CN 102760903 B CN102760903 B CN 102760903B CN 201210278804 A CN201210278804 A CN 201210278804A CN 102760903 B CN102760903 B CN 102760903B
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- liquid flow
- flow frame
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- collector plate
- negative pole
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- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 71
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 claims abstract description 116
- 238000007789 sealing Methods 0.000 claims abstract description 33
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000013536 elastomeric material Substances 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 abstract description 11
- 238000005056 compaction Methods 0.000 abstract 3
- 238000003825 pressing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Fuel Cell (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a vanadium battery which comprises a plurality of single batteries. Each single battery comprises an anode semi battery and a cathode semi battery. The anode semi battery and the cathode semi battery respectively comprise an electrode, a collector plate and a diaphragm which are oppositely arranged on two sides of the electrode and a liquid flow frame arranged on one side of the collector plate far away from the electrode or arranged between the electrode and the diaphragm. The vanadium battery further comprises a lateral face compaction assembly arranged on the lateral face of the vanadium battery and applying pressure along the thickness direction of the battery to compact and seal the vanadium battery, so that compaction sealing connection between the liquid flow frame and/or the collector plate of the vanadium battery can be achieved, and sealing compaction force is evenly and effectively transferred. Therefore, a liquid flow battery stack structure of the vanadium battery is good in sealing performance and effectively avoids leakage of electrolyte.
Description
Technical field
The present invention relates to flow battery field, especially relate to a kind of vanadium cell.
Background technology
Vanadium redox battery (vanadium cell) is the one of redox flow batteries, there is long service life, energy conversion efficiency be high, fail safe good, advantages of environment protection, can be used for wind power generation and the supporting large-scale energy storage system of photovoltaic generation, be one of electrical network peak load shifting, balanced loaded main selection.Below the vanadium cell structure that two kinds of prior aries are common is simply introduced.
As shown in Figure 1, in prior art, in a kind of common vanadium cell, each monocell 5 comprises positive pole half-cell and negative pole half-cell, positive pole half-cell and negative pole half-cell are isolated by barrier film 4, and both comprise respectively from inside to outside successively: electrode 3, collector plate 2, liquid flow frame 1.By the stacking composition battery pile 6 of N number of monocell 5.
As shown in Figure 2, in prior art, in another kind of common vanadium cell, monocell comprises positive pole half-cell and negative pole half-cell equally, positive pole half-cell and negative pole half-cell are isolated by collector plate 2, and both ecto-entads comprise electrode 3, liquid flow frame 1 and barrier film 4 successively.In the structure of vanadium cell in fig. 2, be provided with the installing hole laying described electrode 3 in liquid flow frame 1, and liquid flow frame 1, collector plate 2 be all correspondingly provided with the anode electrolyte opening communicated with electrode 3 in positive pole half-cell and the electrolyte liquid opening communicated with electrode 3 in negative pole half-cell.In the vanadium cell of this structure, one piece of collector plate 2 serves the effect of anode collection plate and negative pole currect collecting plate simultaneously, is commonly called bipolar collector plate, and the structure of vanadium cell can be made compacter.
The battery pile of vanadium cell must strictly avoid the seepage occurring electrolyte, but electrolyte has corrosivity more in existing vanadium cell, easily to leak, the seepage of electrolyte not only affects the use of battery pile, increase the maintenance cost of battery pile, also can cause the deterioration of stack performance and the reduction in life-span.
The solution leakage phenomenon of battery pile mainly occurs in the contact site of the different monocell parts such as collector plate, liquid flow frame.In order to avoid seepage appears in these contacts site, in prior art, usually introduce sealing ring or sealing gasket in corresponding contact site.But, only use the mode of sealing ring or sealing gasket effectively can not solve the sealing problem of battery pile, solution leakage phenomenon still ubiquity.
At present, the liquid stream battery stack sealing property for vanadium cell is bad, the problem of solution leakage, not yet proposes effective solution.
Summary of the invention
The object of the invention is to provide a kind of vanadium cell sealing device and method, the problem of, solution leakage bad with the liquid stream battery stack sealing property solving vanadium cell.
According to an aspect of the present invention, provide a kind of vanadium cell, comprise multiple monocell, each monocell comprises positive pole half-cell and negative pole half-cell, positive pole half-cell and negative pole half-cell comprise electrode respectively, be oppositely arranged on collector plate and the barrier film of electrode both sides, and be arranged on collector plate away from the side of electrode or the liquid flow frame that is arranged between electrode and barrier film, it is characterized in that, vanadium cell also comprises the side that is arranged on vanadium cell and along cell thickness pressuring direction to carry out the lateral surface compressing assembly of press seal to vanadium cell.
Further, lateral surface compressing assembly is one or more groups, often organize lateral surface compressing assembly comprise the side being arranged on a liquid flow frame the first fixture, be arranged on second fixture corresponding with the first fixture of the side of collector plate or another liquid flow frame and connect the connector of the first fixture and the second fixture.
Further, the liquid flow frame and the collector plate that are arranged in positive pole half-cell are positive pole liquid flow frame and anode collection plate, the liquid flow frame and the collector plate that are arranged in negative pole half-cell are negative pole liquid flow frame and negative pole currect collecting plate, and the set-up mode of lateral surface compressing assembly comprises one of following two kinds of modes: first kind of way: the first fixture and the second fixture are connected on the corresponding side of positive pole liquid flow frame and negative pole liquid flow frame accordingly; The second way: the first fixture and the second fixture are connected on the corresponding side of anode collection plate and positive pole liquid flow frame accordingly, and be connected to accordingly on the corresponding side of negative pole currect collecting plate and negative pole liquid flow frame.
Further, the first fixture and the second fixture are stretched out by the lateral section of coupled collector plate or liquid flow frame respectively and are formed.
Further, the first fixture and the second fixture comprise two fixtures be symmetricly set on collector plate or relative two sides of liquid flow frame respectively, or comprise four fixtures be symmetricly set between two on four sides of collector plate or liquid flow frame respectively.
Further, the first fixture and the second fixture are connected on the center line of coupled collector plate or liquid flow frame.
Further, the adjacent lateral surface compressing module position being positioned at vanadium cell same side is crisscross arranged.
Further, vanadium cell also comprises black box, black box comprises the sealed portion that at least one group has loop configuration, and the set-up mode of sealed portion comprises one of following two kinds of modes: first kind of way: the outer circumferential side of annular space between the phase veneer that seal seals is arranged on positive pole liquid flow frame and negative pole liquid flow frame; The second way: the outer circumferential side of annular space between the phase veneer that seal seals is arranged on anode collection plate and positive pole liquid flow frame, and sealing be arranged on negative pole currect collecting plate and negative pole liquid flow frame phase veneer between the outer circumferential side of annular space.
Further, in the first cannelure that the outer circumferential side that sealed portion is arranged on by adjacent collector plate and/or liquid flow frame between phase veneer annular space is formed.
Further, sealed portion outer surface lower than, concordant or higher than the outer surface of the collector plate contacted with it and/or liquid flow frame.
Further, during outer surface higher than the collector plate contacted with it and/or liquid flow frame of the outer surface of sealed portion, the outer surface of sealed portion is formed the second cannelure.
Further, sealed portion by discharging solder or viscose formation, or is formed by placing elastomeric material.
Further, black box also comprises the seal that at least one has loop configuration, seal and sealed portion one_to_one corresponding are arranged, and the set-up mode of seal comprises one of following two kinds of modes: first kind of way: between the phase veneer that seal is arranged on positive pole liquid flow frame and negative pole liquid flow frame, the inner side of sealed portion; The second way: between the phase veneer that seal is arranged on anode collection plate and positive pole liquid flow frame, the inner side of sealed portion, and between the phase veneer being arranged on negative pole currect collecting plate and negative pole liquid flow frame, the inner side of sealed portion.
Further, seal is arranged in the annular space between the phase veneer of collector plate and/or liquid flow frame in the mode that face seals, or is arranged in the mode of linear sealing in the 3rd cannelure that formed between the phase veneer of collector plate and/or liquid flow frame.
Vanadium cell provided by the present invention, by be arranged on vanadium cell side and along cell thickness pressuring direction to carry out the lateral surface compressing assembly of press seal to vanadium cell, the press seal that can realize between the liquid flow frame of vanadium cell and/or collector plate connects, and the thrust sealed evenly, is effectively transmitted, thus make the liquid stream battery stack sealing structure of vanadium cell functional, efficiently avoid the Seepage of electrolyte.
Accompanying drawing explanation
Accompanying drawing form this specification a part, for understanding the present invention further, accompanying drawing shows the preferred embodiments of the present invention, and be used for principle of the present invention is described together with specification.In figure:
Fig. 1 shows a kind of schematic diagram forming structure of vanadium cell of the prior art;
Fig. 2 shows the schematic diagram of the another kind composition structure of vanadium cell of the prior art;
Fig. 3 shows the structural representation of the collector plate of the vanadium cell according to the embodiment of the present invention;
Fig. 4 shows the structural representation of the liquid flow frame of the vanadium cell according to the embodiment of the present invention;
Fig. 5 shows the schematic diagram of a kind of structure of the second black box according to vanadium cell of the present invention;
Fig. 6 shows the schematic diagram of the another kind of structure of the second black box according to vanadium cell of the present invention;
Fig. 7 shows the schematic diagram of another structure of the second black box according to vanadium cell of the present invention; And
Fig. 8 shows the schematic diagram of another structure of the second black box according to vanadium cell of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in embodiments of the invention is described in detail, but following embodiment and accompanying drawing are only understand the present invention, and the present invention can not be limited, the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
In embodiments of the present invention, provide a kind of vanadium cell, comprise multiple monocell, each monocell comprises positive pole half-cell and negative pole half-cell, positive pole half-cell and negative pole half-cell comprise electrode 3 respectively, be oppositely arranged on collector plate 2 and the barrier film 4 of electrode 3 both sides, and be arranged on the side (as shown in Figure 1) of collector plate 2 away from electrode 3, or the liquid flow frame 1 of (as shown in Figure 2) between electrode 3 and barrier film 4, this vanadium cell also comprises the side that is arranged on vanadium cell and along cell thickness pressuring direction to carry out the lateral surface compressing assembly of press seal to vanadium cell.By arranging lateral surface compressing assembly, the press seal that can realize between the liquid flow frame of vanadium cell and/or collector plate connects, and the thrust sealed evenly, is effectively transmitted, thus make the liquid stream battery stack sealing structure of vanadium cell functional, efficiently avoid the Seepage of electrolyte.
In a kind of typical execution mode of the present invention, lateral surface compressing assembly is one or more groups, often organize lateral surface compressing assembly comprise be arranged on a liquid flow frame 1(as shown in Figure 4) side the first fixture 71, be arranged on collector plate 2(as shown in Figure 3) or another liquid flow frame 1(as shown in Figure 4) side second fixture 72 corresponding with the first fixture 71 and connect the connector of the first fixture 71 and the second fixture 72.Adopt the mode that fixture and connector are worked in coordination, easy to process, connect reliable.
The liquid flow frame 1 and the collector plate 2 that are arranged in positive pole half-cell are positive pole liquid flow frame and anode collection plate, and the liquid flow frame 1 and the collector plate 2 that are arranged in negative pole half-cell are negative pole liquid flow frame and negative pole currect collecting plate.Correspondingly, in a kind of concrete execution mode of the present invention, the set-up mode of lateral surface compressing assembly comprises one of following two kinds of modes:
First kind of way: the first fixture 71 and the second fixture 72 are connected on the corresponding side of positive pole liquid flow frame and negative pole liquid flow frame accordingly;
The second way: the first fixture 71 and the second fixture 72 are connected on the corresponding side of anode collection plate and positive pole liquid flow frame accordingly, and are connected to accordingly on the corresponding side of negative pole currect collecting plate and negative pole liquid flow frame.
By the set-up mode of above-mentioned lateral surface compressing assembly, can realize between positive pole liquid flow frame and negative pole liquid flow frame, and/or the press seal between anode collection plate and positive pole liquid flow frame and between negative pole currect collecting plate and negative pole liquid flow frame connects, thus make the liquid stream battery stack sealing structure of vanadium cell functional, efficiently avoid the Seepage of electrolyte.
In a preferred embodiment, the first fixture 71 and the second fixture 72 are stretched out by the lateral section of coupled collector plate 2 or liquid flow frame 1 respectively and are formed.The collector plate 2 or the liquid flow frame 1 that are connected with the fixture of this structure are easy to processing, easy to make, and decrease the quantity of related components, decrease the connection operation between fixture and coupled collector plate 2 or liquid flow frame 1, improve the connective stability between fixture and coupled collector plate 2 or liquid flow frame 1.
In alternative embodiments, the first fixture 71 and the second fixture 72 comprise two fixtures be symmetricly set on collector plate 2 or relative two sides of liquid flow frame 1 respectively; Or as shown in Figure 3 and Figure 4, the first fixture 71 and the second fixture 72 comprise four fixtures be symmetricly set between two on four sides of collector plate 2 or liquid flow frame 1 respectively.This set-up mode symmetrical between two of the first fixture 71 and the second fixture 72 can ensure that the thrust that seals distributes equably on the outer edge of whole collector plate 2 or whole liquid flow frame 1.
In the typical embodiment of one, above-mentioned connector can adopt screw bolt and nut, correspondingly, first fixture 71 and the second fixture 72 are provided with screwed hole, and the screwed hole on corresponding the first fixture 71 of arranging and the second fixture 72 is coaxially arranged, screwed hole inner peripheral surface has internal thread, and the external screw thread had with bolt outer peripheral face matches, nut is used for fastening bolt, and applies the clamping force perpendicular to its thickness direction to fixture.The advantage of this screw connection structure is that the clamping force sealed can be regulated by bolt, and reliably fastening.
In the typical embodiment of another kind, above-mentioned connector can adopt and be arranged on buckle on fixture and bayonet socket, buckle and bayonet socket are arranged on corresponding the first fixture 71 arranged with on the relative surface of the second fixture 72, realize being connected, and produce clamping force.The advantage of this interface arrangment is that structure is relatively simple, and without the need to extra part, and not easily contiguous with other structure member produces and mutually interferes.
Further preferably, as shown in Figure 3 and Figure 4, the first fixture 71 and the second fixture 72 are connected on the center line of coupled collector plate 2 or liquid flow frame 1.By being separately positioned on the center line of collector plate 2 or liquid flow frame 1 by the first fixture 71 and the second fixture 72, thrust being uniformly distributed and effectively transmitting in the length and/or Width of collector plate 2 or liquid flow frame 1 sealed can be ensured further.
Further preferably, the adjacent lateral surface compressing module position being positioned at vanadium cell same side is crisscross arranged.Such position mode of being crisscross arranged can avoid position between the fixture in lateral surface compressing assembly adjacent on vanadium cell same side mutually to interfere, and is convenient to the installation of connector.
In a preferred embodiment, above-mentioned vanadium cell also comprises black box, and sealing assembly comprises the sealed portion 8 that at least one group has loop configuration, and the set-up mode of sealed portion 8 comprises one of following two kinds of modes:
First kind of way: the outer circumferential side of annular space between the phase veneer that sealed portion 8 sealing is arranged on positive pole liquid flow frame and negative pole liquid flow frame;
The second way: the outer circumferential side of annular space between the phase veneer that sealed portion 8 sealing is arranged on anode collection plate and positive pole liquid flow frame, and sealing be arranged on negative pole currect collecting plate and negative pole liquid flow frame phase veneer between the outer circumferential side of annular space.
By arranging the sealed portion 8 with loop configuration in periphery side seal, the gap of the outside seepage of battery pile electrolyte inside effectively can be intercepted further.
In a preferred embodiment, in the first cannelure that the outer circumferential side that sealed portion 8 is arranged on annular space between the phase veneer by adjacent collector plate 2 and/or liquid flow frame 1 is formed, first cannelure can process chamfering structure by adjacent collector plate 2 and/or liquid flow frame 1 by edge outside and be formed, thus form certain spatial accommodation, be used for holding sealed portion 8.Such ring channel structures is that sealed portion 8 provides and lays space preferably, is conducive to making the collector plate 2 of placement sealed portion 8 within it and both sides and/or liquid flow frame 1 to be affixed, and then realizes the excellent sealing of adjacent collector plate 2 and/or liquid flow frame 1 better.
As shown in Fig. 5 to Fig. 8, in alternative embodiments, the outer surface of sealed portion 8 can lower than, concordant or higher than the outer surface of the collector plate 2 contacted with it and/or liquid flow frame 1, as long as sealed portion 8 can be realized contact with the excellent sealing between corresponding collector plate 2 and/or liquid flow frame 1, the encapsulant that specifically can use depending on sealed portion 8.
Preferably, as shown in Figure 8, during outer surface higher than the collector plate 2 contacted with it and/or liquid flow frame 1 of the outer surface of sealed portion 8, the outer surface of sealed portion 8 is formed the second cannelure.The setting of the second cannelure, while saving encapsulant further, makes the structure of vanadium cell compacter.
In alternative embodiments, sealed portion 8 can adopt the material of any appropriate, as long as the sealing that can realize between adjacent collector plate 2 and/or liquid flow frame 1 is just passable, in this application preferably by discharging solder or viscose formation, or formed by placing elastomeric material.Wherein, spendable elastomeric material includes but not limited to hot shortness's polyvinyl chloride (PVC), hot shortness's polyethylene (PE), hot shortness's polypropylene (PP), natural rubber, butadiene rubber, butadiene-styrene rubber, neoprene, acrylonitrile-butadiene rubber, ethylene-propylene rubber, silicon rubber, fluorubber etc.
In further preferred embodiment, black box also comprises at least one seal 9 with loop configuration, and seal 9 and sealed portion 8 one_to_one corresponding are arranged, and the set-up mode of seal 9 comprises one of following two kinds of modes:
First kind of way: between the phase veneer that seal 9 is arranged on positive pole liquid flow frame and negative pole liquid flow frame, the inner side of sealed portion 8;
The second way: between the phase veneer that seal 9 is arranged on anode collection plate and positive pole liquid flow frame, the inner side of sealed portion 8, and between the phase veneer being arranged on negative pole currect collecting plate and negative pole liquid flow frame, the inner side of sealed portion 8.
By arranging the seal 9 with loop configuration in the inner side of sealed portion 8, the seepage path that electrolyte is possible adds one defence line, further enhances the sealing effectiveness of vanadium cell.
Particularly, in the optional execution mode of one, as shown in figure 5 and figure 7, seal 9 be arranged on collector plate 2 and/or liquid flow frame 1 in the mode that face seals phase veneer between annular space in, the area coverage of face sealing is comparatively large, effectively can ensure the realization of sealing effectiveness; In the optional execution mode of another kind, as shown in Figure 6 and Figure 8, seal 9 is arranged in the 3rd cannelure formed between the phase veneer of collector plate 2 and/or liquid flow frame 1 in the mode of linear sealing, linear sealing while reaching the sealing effectiveness of needs, can save material.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a vanadium cell, comprise multiple monocell, each monocell comprises positive pole half-cell and negative pole half-cell, described positive pole half-cell and described negative pole half-cell comprise electrode (3) respectively, be oppositely arranged on collector plate (2) and the barrier film (4) of described electrode (3) both sides, and be arranged on described collector plate (2) away from the side of described electrode (3) or the liquid flow frame (1) that is arranged between described electrode (3) and described barrier film (4), it is characterized in that, described vanadium cell also comprises the side that is arranged on described vanadium cell and along cell thickness pressuring direction to carry out the lateral surface compressing assembly of press seal to described vanadium cell, described vanadium cell also comprises black box, described black box comprises the sealed portion (8) that at least one group has loop configuration,
The set-up mode of described sealed portion (8) comprises one of following two kinds of modes:
First kind of way: the outer circumferential side of annular space between the phase veneer that described sealed portion (8) sealing is arranged on described positive pole liquid flow frame and described negative pole liquid flow frame;
The second way: the outer circumferential side of annular space between the phase veneer that described sealed portion (8) sealing is arranged on described anode collection plate and described positive pole liquid flow frame, and sealing be arranged on described negative pole currect collecting plate and described negative pole liquid flow frame phase veneer between the outer circumferential side of annular space.
2. vanadium cell according to claim 1, it is characterized in that, described lateral surface compressing assembly is one or more groups, often organize described lateral surface compressing assembly comprise the side being arranged on a liquid flow frame (1) the first fixture (71), be arranged on second fixture (72) corresponding with described first fixture (71) of the side of collector plate (2) or another liquid flow frame (1) and connect the connector of described first fixture (71) and described second fixture (72).
3. vanadium cell according to claim 2, it is characterized in that, the described liquid flow frame (1) and the described collector plate (2) that are arranged in described positive pole half-cell are positive pole liquid flow frame and anode collection plate, the described liquid flow frame (1) and the described collector plate (2) that are arranged in described negative pole half-cell are negative pole liquid flow frame and negative pole currect collecting plate
The set-up mode of described lateral surface compressing assembly comprises one of following two kinds of modes:
First kind of way: described first fixture (71) and described second fixture (72) are connected on the corresponding side of described positive pole liquid flow frame and described negative pole liquid flow frame accordingly;
The second way: described first fixture (71) and described second fixture (72) are connected on the corresponding side of described anode collection plate and described positive pole liquid flow frame accordingly, and are connected to accordingly on the corresponding side of described negative pole currect collecting plate and described negative pole liquid flow frame.
4. vanadium cell according to claim 2, it is characterized in that, described first fixture (71) and described second fixture (72) are stretched out by the lateral section of coupled described collector plate (2) or described liquid flow frame (1) respectively and are formed.
5. vanadium cell according to claim 2, it is characterized in that, described first fixture (71) and described second fixture (72) comprise two fixtures be symmetricly set on described collector plate (2) or relative two sides of described liquid flow frame (1) respectively, or comprise four fixtures on four sides being symmetricly set on described collector plate (2) or described liquid flow frame (1) between two respectively.
6. vanadium cell according to claim 2, it is characterized in that, described first fixture (71) and described second fixture (72) are connected on the center line of coupled described collector plate (2) or described liquid flow frame (1).
7. vanadium cell according to claim 2, is characterized in that, the adjacent described lateral surface compressing module position being positioned at described vanadium cell same side is crisscross arranged.
8. vanadium cell according to claim 1, it is characterized in that, in the first cannelure that the outer circumferential side that described sealed portion (8) is arranged on annular space between the phase veneer by adjacent collector plate (2) and/or liquid flow frame (1) is formed.
9. vanadium cell according to claim 8, is characterized in that, the outer surface of described sealed portion (8) lower than, concordant or higher than the outer surface of the collector plate contacted with it (2) and/or liquid flow frame (1).
10. vanadium cell according to claim 9, it is characterized in that, during outer surface higher than the collector plate contacted with it (2) and/or liquid flow frame (1) of the outer surface of described sealed portion (8), the outer surface of described sealed portion (8) forms the second cannelure.
11. vanadium cells according to claim 1, is characterized in that, described sealed portion (8) by discharging solder or viscose formation, or is formed by placing elastomeric material.
12. vanadium cells according to claim 1, is characterized in that, described black box also comprises at least one seal with loop configuration (9), and described seal (9) and described sealed portion (8) one_to_one corresponding are arranged,
The set-up mode of described seal (9) comprises one of following two kinds of modes:
First kind of way: between the phase veneer that described seal (9) is arranged on described positive pole liquid flow frame and described negative pole liquid flow frame, the inner side of described sealed portion (8);
The second way: between the phase veneer that described seal (9) is arranged on described anode collection plate and described positive pole liquid flow frame, the inner side of described sealed portion (8), and between the phase veneer being arranged on described negative pole currect collecting plate and described negative pole liquid flow frame, the inner side of described sealed portion (8).
13. vanadium cells according to claim 12, it is characterized in that, described seal (9) is arranged in the annular space between the phase veneer of collector plate (2) and/or liquid flow frame (1) in the mode that face seals, or is arranged in the mode of linear sealing in the 3rd cannelure that formed between the phase veneer of collector plate (2) and/or liquid flow frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278804.9A CN102760903B (en) | 2012-08-07 | 2012-08-07 | Vanadium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278804.9A CN102760903B (en) | 2012-08-07 | 2012-08-07 | Vanadium battery |
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| Publication Number | Publication Date |
|---|---|
| CN102760903A CN102760903A (en) | 2012-10-31 |
| CN102760903B true CN102760903B (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210278804.9A Active CN102760903B (en) | 2012-08-07 | 2012-08-07 | Vanadium battery |
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| CN (1) | CN102760903B (en) |
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| CN112467166A (en) * | 2019-09-06 | 2021-03-09 | 杭州中科氢能科技有限公司 | Vanadium cell stack structure |
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|---|---|---|---|---|
| EP1411576A1 (en) * | 2001-06-12 | 2004-04-21 | Sumitomo Electric Industries, Ltd. | Cell frame for redox flow cell and redox flow cell |
| CN201444489U (en) * | 2009-05-27 | 2010-04-28 | 青岛武晓集团有限公司 | Novel structure of vanadium ion redox flow battery |
| CN102394281A (en) * | 2011-11-22 | 2012-03-28 | 深圳市金钒能源科技有限公司 | Vanadium flow cell seal ring and ionic membrane integrated assembly and electric pile |
| CN202695628U (en) * | 2012-08-07 | 2013-01-23 | 中国东方电气集团有限公司 | Vanadium cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005228633A (en) * | 2004-02-13 | 2005-08-25 | Sumitomo Electric Ind Ltd | Redox flow battery cell and redox flow battery |
| CN202221796U (en) * | 2011-09-09 | 2012-05-16 | 深圳市金钒能源科技有限公司 | Vanadium liquid flow battery box plate and vanadium liquid flow electric-pile made of box plate |
| CN102593482B (en) * | 2012-03-20 | 2015-02-04 | 中国东方电气集团有限公司 | Collector plate and flow battery and flow battery stack containing same |
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2012
- 2012-08-07 CN CN201210278804.9A patent/CN102760903B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1411576A1 (en) * | 2001-06-12 | 2004-04-21 | Sumitomo Electric Industries, Ltd. | Cell frame for redox flow cell and redox flow cell |
| CN201444489U (en) * | 2009-05-27 | 2010-04-28 | 青岛武晓集团有限公司 | Novel structure of vanadium ion redox flow battery |
| CN102394281A (en) * | 2011-11-22 | 2012-03-28 | 深圳市金钒能源科技有限公司 | Vanadium flow cell seal ring and ionic membrane integrated assembly and electric pile |
| CN202695628U (en) * | 2012-08-07 | 2013-01-23 | 中国东方电气集团有限公司 | Vanadium cell |
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