CN204516844U - Flow battery bipolar plates and flow cell pile - Google Patents
Flow battery bipolar plates and flow cell pile Download PDFInfo
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- CN204516844U CN204516844U CN201520082505.7U CN201520082505U CN204516844U CN 204516844 U CN204516844 U CN 204516844U CN 201520082505 U CN201520082505 U CN 201520082505U CN 204516844 U CN204516844 U CN 204516844U
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- water conservancy
- conservancy diversion
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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 provides a kind of flow battery bipolar plates and flow cell pile, belong to flow battery field, flow battery bipolar plates comprises fixed border bonded to each other and water conservancy diversion frame, fixed border is frame structure, the inside of fixed border is provided with conductive plate, and the surrounding of fixed border is provided with at least two the first through holes; Water conservancy diversion frame is frame structure, and the inside of water conservancy diversion frame is provided with barrier film, and barrier film is amberplex, and edge and the water conservancy diversion frame of barrier film are fixed.By the make electrolyte pass through first through hole and the second through hole being arranged separately, the two all can not pass barrier film, and the diversed frame of barrier film is fixed, can make ion normal through; Electrolyte flows through the first through hole and does not all contact with conductive plate with barrier film with during the second through hole, can not produce and destroy, extend the useful life of barrier film and conductive plate, and fixed border and water conservancy diversion frame quality are comparatively hard, are not easy to be destroyed to barrier film and conductive plate.
Description
Technical field
The utility model relates to flow battery field, in particular to flow battery bipolar plates and flow cell pile.
Background technology
Flow battery is a kind of new storage battery, and flow battery utilizes both positive and negative polarity electrolyte separately, a kind of high-performance storage battery of each self-loopa, and having the advantages that capacity is high, use field is wide, service life cycle is long, is current a kind of new forms of energy product.Wherein, barrier film, namely amberplex is the important component part of flow battery, requires to possess macroion selectivity, high ion conductivity and good chemical stability.
Owing to needing the position of barrier film to fix when assembling flow cell pile, therefore on barrier film, be provided with the through hole for making electrolyte pass through, in flow cell pile repeatedly unloading process and in electrolyte flow process, meeting causes damage to a certain degree to the through hole of barrier film, thus destroy the performance of barrier film, now must change barrier film, and the cost of barrier film is very high, diaphragm replacing can improve the cost of flow cell pile, can cause the waste of resource simultaneously.
Utility model content
The utility model provides a kind of flow battery bipolar plates and flow cell pile, and the problems referred to above are improved.
The utility model is achieved in that
A kind of flow battery bipolar plates, comprising:
Fixed border, described fixed border is frame structure, and the inside of described fixed border is provided with conductive plate, and the surrounding of described fixed border is provided with at least two the first through holes;
The water conservancy diversion frame bonded to each other with described fixed border, described water conservancy diversion frame is frame structure, the inside of described water conservancy diversion frame is provided with barrier film, described barrier film is amberplex, edge and the described water conservancy diversion frame of described barrier film are fixed, the thickness of described barrier film is less than the thickness of described water conservancy diversion frame, and the relative two ends of described water conservancy diversion frame are provided with flow-guiding channel; The surrounding of described water conservancy diversion frame is provided with the second through hole, and described first through hole is corresponding with described second through hole, and the center of circle of described second through hole is less than or equal to the diameter of described second through hole to the distance at the edge of described barrier film.
Fixed border is used for conductive plate is fixed, water conservancy diversion frame is used for barrier film being fixed and providing flow-guiding channel, electrolyte is made to pass through flow-guiding channel, the fixed border of frame structure is only fixed with the edge of barrier film, both the stable of structure after flow cell pile assembling can have been guaranteed, do not affect again the normal active area of barrier film, make ion can smoothly through barrier film, first through hole and the second through hole are used for electrolyte is passed through, use bolt fixed border and water conservancy diversion frame to be connected and fixed, runner mouth makes electrolyte can enter space between conductive plate and barrier film; The center of circle of the second through hole refers to the distance between each point on diaphragm edge and the center of circle of the second through hole to the diameter that the distance at the edge of barrier film is less than or equal to the second through hole, now barrier film is positioned at the outside of the second through hole, certain distance is there is between second through hole and barrier film, namely electrolyte by when the first through hole and the second through hole can not with membrane contacts, thus can not to damage barrier film.
The quality of fixed border and water conservancy diversion frame is comparatively hard, and the first through hole and the second through hole are not easy to damage, the useful life of effective elongate member; And, fixed border or water conservancy diversion frame is caused to lose efficacy even if the first through hole or the second through hole damage, only need conductive plate to take off from fixed border or barrier film to take off from water conservancy diversion frame and changes fixed border or water conservancy diversion frame, the cost of reduction flow cell pile.In addition, if conductive plate is arranged on water conservancy diversion frame, barrier film is arranged on fixed border, the edge of conductive plate is harder, can directly be connected with the inwall of fixed border, must some and fixed border fit in the inside no matter barrier film is then arranged on fixed border or the side being arranged on fixed border, the thickness that then thickness of water conservancy diversion frame is greater than the thickness of conductive plate, the thickness of fixed border is greater than barrier film, fixed border and baffler laminating after thickness larger, cause the volume of flow cell pile comparatively large, wasting space resource; Conductive plate is placed on fixed border, barrier film is placed in after on water conservancy diversion frame, the size of water conservancy diversion frame significantly reduces, and the thickness that can control fixed border is less than or equal to the thickness of conductive plate, conductive plate can go deep in conductive bezels, effective reduction fixed border and water conservancy diversion frame laminating after gross thickness, namely the thickness of flow cell pile is reduced, conserve space resource.Certainly, fixed border and conductive plate also can be structure as a whole, and in conjunction with the conductive plate that formation one is complete namely, namely fixed border is only as a part for conductive plate.
Further, the inside of described water conservancy diversion frame is provided with the step of ring-type, and side surrounding and the described step of described barrier film are fitted.
Step is ring-type, and can regard as and the mid portion of water conservancy diversion frame is provided with shoulder hole, shoulder hole can have any shape, and as circular, rectangle, is preferably rectangle; The side surrounding of barrier film and step post and fix, and can increase the contact fixed-area of the two, are not easy to be separated, the stability of structure when guaranteeing normally to use, and barrier film can be embedded in water conservancy diversion frame, can fit tightly between water conservancy diversion frame and other structures, be not easy to occur gap.
Further, described fixed border and described water conservancy diversion frame are rectangle, and described first through hole is four and is separately positioned on four angles of described fixed border, and described second through hole is four and is separately positioned on four angles of described water conservancy diversion frame.
Electrolyte all can be made to pass through in four the first through holes and in four the second through holes, four angles of fixed border and four angles of water conservancy diversion frame are all fixed, select the first different through holes or the second through hole as required, the structure of flow cell pile is more stable, is not easy to occur gap between adjacent structure.
Further, described fixed border is plastic frame.
The hardness of plastic frame is higher, is not easy to be destroyed, and can increase the service life, and makes the lighter weight of fixed border; Plastic frame easy to make, cost is lower, even if occur damage, change also very simple and convenient, cost-saving.
Further, described conductive plate is made up of organic polymer composite conducting material.
The advantages such as the conductive plate of organic polymer composite conducting material as carbon/carbon compound material is made has high conductivity, high heat conductance, quality is light, high temperature resistant, intensity is high, chemical stability is strong, make the performance of bipolar plates better.
Further, the thickness of described fixed border is less than or equal to the thickness of described conductive plate.
The thickness of fixed border is less than or equal to the thickness of conductive plate, and namely partially conductive plate stretches out outside fixed border, controls this part and stretches in water conservancy diversion frame, and the bipolar plates thickness after assembling can be made less, and the volume of flow cell pile is less, reduces floor space.
Further, described barrier film, between described conductive plate and described water conservancy diversion framework, form cavity, described flow-guiding channel is horizontally installed on top and the bottom of described cavity, the top of described cavity and bottom are provided with multiple described runner mouth, and described flow-guiding channel is communicated with described cavity by described runner mouth.
Cavity forms the structure of opposing seal, and electrolysis liquid passes through, and flow-guiding channel horizontally set also makes electrolyte enter in cavity by multiple runner mouth, and flow-guiding mouth is multiple and is distributed in top and the bottom of cavity, and electrolyte can be made to be full of cavity, passes in and out more smooth.
Further, described flow-guiding channel is provided with main channel and accessory channel, and described main channel and described accessory channel are arranged side by side, and described main channel is communicated with described cavity by described runner mouth, and one end of described accessory channel is communicated with one end of described main channel.
Accessory channel can extend the length of flow-guiding channel, and the time that electrolyte is stopped in bipolar plates is longer, and reaction is more abundant, improves the energy utilization efficiency of flow cell pile.
Further, adopt bonding or high-temperature injection or normal temperature cast to be fixedly connected with between described fixed border and described conductive plate, adopt bonding between described water conservancy diversion frame and described barrier film.
Generally, the size of conductive plate is less than the inside dimension of water conservancy diversion frame, and the thickness of conductive plate is greater than the thickness of fixed border, so that make partially conductive plate can be embedded in water conservancy diversion frame, if compressed by sealing ring between fixed border and conductive plate, then reliability is poor, and situation such as string liquid, leakage etc. easily appears in the junction of fixed border and conductive plate, the useful life of serious restriction flow cell pile.And bonding, high-temperature injection and normal temperature cast all can make to be formed between fixed border and conductive plate integrative-structure, therebetween connection is more firm, effectively can reduce the generation of the problems referred to above, the reliability of bipolar plates is higher, longer service life, and the installation of bipolar plates, easy to maintenance, application prospect is boundless.
A kind of flow cell pile, comprising:
Multiple above-mentioned flow battery bipolar plates stacked successively, described fixed border and described water conservancy diversion frame are arranged alternately and form pile assembly;
Two end plates, two described end plates are separately positioned on the two ends of described pile assembly, are bolted to connection between two described end plates.
Compared with prior art, the beneficial effects of the utility model are: by the first through hole being used for making electrolyte pass through and the second through hole being arranged separately, and the two all can not pass barrier film, and the diversed frame of barrier film is fixed, can make ion normal through; Electrolyte is not all contacted with conductive plate with barrier film with during the second through hole by the first through hole, can not produce and destroy, extend the useful life of barrier film and conductive plate, and fixed border and water conservancy diversion frame quality are comparatively hard, are not easy to be destroyed by bolt to barrier film and conductive plate; In addition, relative to barrier film, the cost of fixed border and water conservancy diversion frame is lower, even if damaged, directly change fixed border and water conservancy diversion frame, barrier film and conductive plate can continue recycling, do not need to change, reduce the cost of flow cell pile, economize on resources.Because conductive plate is positioned at fixed border, barrier film is positioned at water conservancy diversion frame, significantly can reduce the thickness of water conservancy diversion frame, and then reduces the volume of flow cell pile, and floor space is less.In addition, because barrier film is arranged on the inside of water conservancy diversion frame, cause the area of barrier film to reduce, reduce the cost of manufacture of flow cell pile.
Accompanying drawing explanation
The fixed border front view of the flow battery bipolar plates that Fig. 1 provides for the utility model embodiment 1;
The water conservancy diversion frame front view of the flow battery bipolar plates that Fig. 2 provides for the utility model embodiment 1;
Fig. 3 is the front view after the water conservancy diversion frame removal barrier film of Fig. 2;
The flow cell pile schematic diagram that Fig. 4 provides for the utility model embodiment 2.
Fixed border 101; Water conservancy diversion frame 102; Conductive plate 103; First through hole 104; Barrier film 105; Flow-guiding channel 106; Runner mouth 107; Second through hole 108; Step 109; Main channel 110; Accessory channel 111; End plate 112; Location hole 113.
Embodiment
Owing to needing the position of barrier film to fix when assembling flow cell pile, therefore on barrier film, be provided with the through hole for making electrolyte pass through, in flow cell pile repeatedly unloading process, meeting causes damage to a certain degree to the through hole on barrier film, thus destroy the performance of barrier film, now must change barrier film, and the cost of barrier film is very high, diaphragm replacing can improve the cost of flow cell pile, can cause the waste of resource simultaneously.
Improve to make the problems referred to above, inventor finds under study for action, first through hole, the second through hole and barrier film are arranged separately, namely the first through hole is arranged on fixed border, and the second through hole is arranged on water conservancy diversion frame, and barrier film is fixed on the inside of water conservancy diversion frame, both the normal work of barrier film can have been realized, the flowing of electrolyte also can not cause damage to barrier film, effectively extends the life-span of barrier film, reduces the cost of flow battery.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The fixed border front view of the flow battery bipolar plates that Fig. 1 provides for the utility model embodiment 1; The water conservancy diversion frame front view of the flow battery bipolar plates that Fig. 2 provides for the utility model embodiment 1; Fig. 3 is the front view after the water conservancy diversion frame removal barrier film of Fig. 2.As shown in Figure 1-Figure 3, the utility model example 1 provides a kind of flow battery bipolar plates, comprises fixed border 101 bonded to each other and water conservancy diversion frame 102,
As shown in Figure 1, fixed border 101 is frame structure, and the inside of fixed border 101 is provided with conductive plate 103, and fixed border 101 is fixed for making conductive plate 103, and the surrounding of fixed border 101 is provided with the first through hole 104.
As shown in Figure 2 and Figure 3, water conservancy diversion frame 102 is frame structure, the inside of water conservancy diversion frame 102 is provided with barrier film 105, barrier film 105 is amberplex, the edge of barrier film 105 and water conservancy diversion frame 102 are fixed, and the fixed border 101 of frame structure is only fixed with the edge of barrier film 105, both can guarantee the stable of structure after flow cell pile assembling, do not affect again the normal active area of barrier film 105, make ion can smoothly through barrier film 105; The thickness of barrier film 105 is less than the thickness of water conservancy diversion frame 102, and the relative two ends of water conservancy diversion frame 102 are provided with flow-guiding channel 106, and water conservancy diversion frame 102, for making barrier film 105 fix and providing flow-guiding channel 106, makes electrolyte can by flow-guiding channel 106.The inner side of flow-guiding channel 106 is provided with runner mouth 107, and runner mouth 107 makes electrolyte can enter space between conductive plate 103 and barrier film 105; It is corresponding with the second through hole 108 that the surrounding of water conservancy diversion frame 102 is provided with the second through hole 108, first through hole 104, and the first through hole 104 and the second through hole 108 pass through for making electrolyte, uses bolt fixed border 101 and water conservancy diversion frame 102 to be connected and fixed; The center of circle of the second through hole 108 refers to the distance between each point on barrier film 105 edge and the center of circle of the second through hole 108 to the diameter that the distance at the edge of barrier film 105 is less than or equal to the second through hole 108, now barrier film 105 is positioned at the outside of the second through hole 108, namely electrolyte flows through the first through hole 104 and can not contact with barrier film 105 with during the second through hole 108, thus can not damage barrier film 105.
The quality of fixed border 101 and water conservancy diversion frame 102 is comparatively hard, and the first through hole 104 and the second through hole 108 are not easy to damage, the useful life of effective elongate member; And, fixed border 101 or water conservancy diversion frame 102 is caused to lose efficacy even if the first through hole 104 or the second through hole 108 damage, only need conductive plate 103 to take off from fixed border 101 or barrier film 105 to take off from water conservancy diversion frame 102 and changes fixed border 101 or water conservancy diversion frame 102, the cost of reduction flow cell pile.In addition, if conductive plate 103 is arranged on water conservancy diversion frame 102, barrier film 105 is arranged on fixed border 101, the edge of conductive plate 103 is harder, can directly be connected with the inwall of fixed border 101, must some and fixed border 101 fit in the inside no matter barrier film 105 is then arranged on fixed border 101 or the side being arranged on fixed border 101, then the thickness of water conservancy diversion frame 102 is greater than the thickness of conductive plate 103, the thickness of fixed border 101 is greater than the thickness of barrier film 105, fixed border 101 and baffler laminating after thickness larger, cause the volume of flow cell pile larger, wasting space resource, conductive plate 103 is placed on fixed border 101, barrier film 105 is placed in after on water conservancy diversion frame 102, the size of water conservancy diversion frame 102 significantly reduces, and the thickness that can control fixed border 101 is less than or equal to the thickness of conductive plate 103, conductive plate 103 can go deep in conductive bezels, effective reduction fixed border 101 and water conservancy diversion frame 102 fit after gross thickness, namely the thickness of flow cell pile is reduced, conserve space resource.
By the first through hole 104 and the second through hole 108 being arranged separately, the two all can not pass barrier film 105, and the diversed frame of barrier film 105 102 is fixed, can make ion normal through; Electrolyte flows through the first through hole 104 and does not all contact with conductive plate 103 with barrier film 105 with during the second through hole 108, can not produce barrier film 105 and conductive plate 103 and destroy, extend the useful life of barrier film 105 and conductive plate 103, and fixed border 101 and water conservancy diversion frame 102 quality are comparatively hard, be not easy to be destroyed by bolt; In addition, relative to barrier film 105, the cost of fixed border 101 and water conservancy diversion frame 102 is lower, even if damaged, direct replacing fixed border 101 and water conservancy diversion frame 102, barrier film 105 and conductive plate 103 can continue recycling, do not need to change, reduce the cost of flow cell pile, economize on resources.In addition, because conductive plate 103 is positioned at fixed border 101, barrier film 105 is positioned at water conservancy diversion frame 102, significantly can reduce the thickness of water conservancy diversion frame 102, and then reduces the volume of flow cell pile, and floor space is less.
As the preferred version of this embodiment, as shown in Figure 3, the inside of water conservancy diversion frame 102 is provided with the step 109 of ring-type, and side surrounding and the step 109 of barrier film 105 are fitted.
Step 109 is ring-type, and can regard as and the mid portion of water conservancy diversion frame 102 is provided with shoulder hole, shoulder hole can have any shape, and as circular, rectangle, is preferably rectangle; Side surrounding and the step 109 of barrier film 105 post and fix, the contact fixed-area of the two can be increased, be not easy to be separated, the stability of structure when guaranteeing normally to use, and can barrier film 105 be embedded in water conservancy diversion frame 102, can fit tightly between water conservancy diversion frame 102 and other structures, be not easy to occur gap.
As the preferred version of this embodiment, as shown in Figure 1-Figure 3, fixed border 101 and water conservancy diversion frame 102 are rectangle, and the first through hole 104 is four and is separately positioned on four angles of fixed border 101, and the second through hole 108 is four and is separately positioned on four angles of water conservancy diversion frame 102.
Electrolyte all can be made to pass through in four the first through holes 104 with in four the second through holes 108, four angles of fixed border 101 and four angles of water conservancy diversion frame 102 are all fixed, the structure of flow cell pile is more stable, select the first different through holes 104 or the second through hole electrolysis liquid to pass through as required, be not easy to occur gap between adjacent structure.
As the preferred version of this embodiment, fixed border 101 is plastic frame.The hardness of plastic frame is higher, is not easy to be destroyed, and can increase the service life, and makes the lighter weight of fixed border 101; Plastic frame easy to make, cost is lower, even if occur damage, change also very simple and convenient, cost-saving.
As the preferred version of this embodiment, conductive plate 103 is made up of organic polymer composite conducting material.The advantages such as the conductive plate 103 of organic polymer composite conducting material as carbon/carbon compound material is made has high conductivity, high heat conductance, quality is light, high temperature resistant, intensity is high, chemical stability is strong, make the performance of bipolar plates better.
As the preferred version of this embodiment, the thickness of fixed border 101 is less than or equal to the thickness of conductive plate 103.The thickness of fixed border 101 is less than or equal to the thickness of conductive plate 103, namely partially conductive plate 103 stretches out outside fixed border 101, controls this part and stretches in water conservancy diversion frame 102, and the bipolar plates thickness after assembling can be made less, the volume of flow cell pile is less, reduces floor space.
As the preferred version of this embodiment, barrier film 105, between conductive plate 103 and water conservancy diversion framework, form cavity, flow-guiding channel 106 is horizontally installed on top and the bottom of cavity, and the top of cavity and bottom are provided with multiple runner mouth 107, and flow-guiding channel 106 is communicated with cavity by runner mouth 107.
Cavity forms the structure of opposing seal, electrolysis liquid passes through, and flow-guiding channel 106 horizontally set also makes electrolyte enter in cavity by multiple runner mouth 107, and flow-guiding mouth is multiple and is distributed in top and the bottom of cavity, electrolyte can be made to be full of cavity, to pass in and out more smooth.
As the preferred version of this embodiment, as shown in Figure 2 and Figure 3, flow-guiding channel 106 is provided with main channel 110 and accessory channel 111, main channel 110 and accessory channel 111 are arranged side by side, main channel 110 is communicated with cavity by runner mouth 107, and one end of accessory channel 111 is communicated with one end of main channel 110.
Accessory channel 111 can extend the length of flow-guiding channel 106, and the time that electrolyte is stopped in bipolar plates is longer, and reaction is more abundant, improves the energy utilization efficiency of flow cell pile.
As the preferred version of this embodiment, generally, the size of conductive plate 103 is less than the inside dimension of water conservancy diversion frame 102, and the thickness of conductive plate 103 is greater than the thickness of fixed border 101, so that make partially conductive plate 103 can be embedded in water conservancy diversion frame 102, if compressed by sealing ring between fixed border 101 and conductive plate 103, then reliability is poor, easily there is situation such as string liquid, leakage etc. in the junction of fixed border 101 and conductive plate 103, the useful life of serious restriction flow cell pile.Therefore, adopt bonding or high-temperature injection or normal temperature cast to be fixedly connected with between fixed border 101 and conductive plate 103, adopt bonding between water conservancy diversion frame 102 and barrier film 105; Bonding, high-temperature injection and normal temperature cast all can make to form integrative-structure between fixed border 101 and conductive plate 103, therebetween connection is more firm, effectively can reduce the generation of the problems referred to above, the reliability of bipolar plates is higher, longer service life, and the installation of bipolar plates, easy to maintenance, application prospect is boundless.
As shown in Figure 1-Figure 3, as required, location hole 113 is provided with the relative both sides of water conservancy diversion frame 102 at fixed border 101, the quantity of location hole 113 is determined as required, be preferably two, may be used for wearing alignment pin in location hole 113, in an assembling process, directly alignment pin is run through the alignment work that all location holes 113 can realize each parts, assembling process is simple and convenient, flow cell pile after assembling is the most smooth.
The flow cell pile schematic diagram that Fig. 4 provides for the utility model embodiment 2.As shown in Figure 4, the utility model embodiment 2 provides a kind of flow cell pile, comprises flow battery bipolar plates and two end plates 112 that multiple embodiment 1 provides, and fixed border 101 and water conservancy diversion frame 102 are arranged alternately and form pile assembly; Two end plates 112 are separately positioned on the two ends of pile assembly, are bolted to connection between two end plates 112.End plate 112, for multiple flow battery bipolar plates being fixedly clamped, ensures the normal work of flow cell pile.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a flow battery bipolar plates, is characterized in that, comprising:
Fixed border, described fixed border is frame structure, and the inside of described fixed border is provided with conductive plate, and the surrounding of described fixed border is provided with at least two the first through holes;
The water conservancy diversion frame bonded to each other with described fixed border, described water conservancy diversion frame is frame structure, the inside of described water conservancy diversion frame is provided with barrier film, described barrier film is amberplex, edge and the described water conservancy diversion frame of described barrier film are fixed, the thickness of described barrier film is less than the thickness of described water conservancy diversion frame, and the relative two ends of described water conservancy diversion frame are provided with flow-guiding channel, and the inner side of described flow-guiding channel is provided with runner mouth; The surrounding of described water conservancy diversion frame is provided with the second through hole, and described first through hole is corresponding with described second through hole, and the center of circle of described second through hole is less than or equal to the diameter of described second through hole to the distance at the edge of described barrier film.
2. flow battery bipolar plates according to claim 1, is characterized in that, the inside of described water conservancy diversion frame is provided with the step of ring-type, and side surrounding and the described step of described barrier film are fitted.
3. flow battery bipolar plates according to claim 1, it is characterized in that, described fixed border and described water conservancy diversion frame are rectangle, described first through hole is four and is separately positioned on four angles of described fixed border, and described second through hole is four and is separately positioned on four angles of described water conservancy diversion frame.
4. flow battery bipolar plates according to claim 1, is characterized in that, described fixed border is plastic frame.
5. flow battery bipolar plates according to claim 1, is characterized in that, described conductive plate is made up of organic polymer composite conducting material.
6. the flow battery bipolar plates according to claim 1-5 any one, is characterized in that, the thickness of described fixed border is less than or equal to the thickness of described conductive plate.
7. the flow battery bipolar plates according to claim 1-5 any one, it is characterized in that, described barrier film, between described conductive plate and described water conservancy diversion framework, form cavity, described flow-guiding channel is horizontally installed on top and the bottom of described cavity, the top of described cavity and bottom are provided with multiple described runner mouth, and described flow-guiding channel is communicated with described cavity by described runner mouth.
8. flow battery bipolar plates according to claim 7, it is characterized in that, described flow-guiding channel is provided with main channel and accessory channel, described main channel and described accessory channel are arranged side by side, described main channel is communicated with described cavity by described runner mouth, and one end of described accessory channel is communicated with one end of described main channel.
9. the flow battery bipolar plates according to claim 1-5 any one, it is characterized in that, adopt bonding or high-temperature injection or normal temperature cast to be fixedly connected with between described fixed border and described conductive plate, adopt bonding between described water conservancy diversion frame and described barrier film.
10. a flow cell pile, is characterized in that, comprising:
Multiple flow battery bipolar plates described in claim 1-9 any one stacked successively, described fixed border and described water conservancy diversion frame are arranged alternately and form pile assembly;
Two end plates, two described end plates are separately positioned on the two ends of described pile assembly, are bolted to connection between two described end plates.
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| CN201520082505.7U CN204516844U (en) | 2015-02-05 | 2015-02-05 | Flow battery bipolar plates and flow cell pile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520082505.7U CN204516844U (en) | 2015-02-05 | 2015-02-05 | Flow battery bipolar plates and flow cell pile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019206119A1 (en) | 2018-04-27 | 2019-10-31 | 江苏泛宇能源有限公司 | Stack frame for flow battery |
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| CN113964362A (en) * | 2021-12-23 | 2022-01-21 | 国家电投集团氢能科技发展有限公司 | Frame structure and electrochemical cell device having the same |
| CN113964362B (en) * | 2021-12-23 | 2022-03-08 | 国家电投集团氢能科技发展有限公司 | Frame structure and electrochemical cell device having the same |
| CN117096408A (en) * | 2023-10-20 | 2023-11-21 | 博鼎储能科技(山东)有限公司 | Liquid flow energy storage battery structure |
| CN117096408B (en) * | 2023-10-20 | 2024-01-16 | 博鼎储能科技(山东)有限公司 | Liquid flow energy storage battery structure |
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