CN204732482U - A kind of flow battery and monocell framework, integrated monocell, pile - Google Patents
A kind of flow battery and monocell framework, integrated monocell, pile Download PDFInfo
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- CN204732482U CN204732482U CN201520492226.8U CN201520492226U CN204732482U CN 204732482 U CN204732482 U CN 204732482U CN 201520492226 U CN201520492226 U CN 201520492226U CN 204732482 U CN204732482 U CN 204732482U
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- monocell
- seal groove
- frame body
- framework
- sealed muscle
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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
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Abstract
The utility model is applicable to liquid flow energy storage battery field, provides a kind of flow battery and monocell framework, integrated monocell, pile.Two liquid flow holes that the monocell framework of described flow battery comprises frame body, is located at the reacting hole at described frame body center, is symmetrically set in described reacting hole both sides on described body two sides, and the flow channel for liquids be connected between described two liquid flow holes and described reacting hole, the periphery of described frame body one side has been arranged circumferentially at least one group of seal groove; The periphery of described frame body another side and described seal groove corresponding position are provided with the sealed muscle at least one group of seal groove that can snap in adjacent frame body.The utility model solves in prior art to ensure sealing effectiveness, monocell uses two block frame assemblings and pile two ends to adopt alloy aluminium sheet to carry out pressurization encapsulation, cause whole battery assembly difficulty large, the pile weight of battery is large, the problem that battery production cost is high.
Description
Technical field
The utility model belongs to liquid flow energy storage battery field, particularly relates to a kind of flow battery and monocell framework, integrated monocell, pile.
Background technology
China's zinc-bromine flow battery, through the development of nearly ten years, has obtained many achievements.Flow battery is a kind of electrochemical energy storage cell, is stored up form for parts such as systems by pile, electrolyte solution and electrolyte.Positive and negative electrode active material in flow battery is dissolved in electrolyte solution respectively, and is stored in two fluid reservoirs.Time battery operated, positive and negative electrode electrolyte solution flows into pile from fluid reservoir under the driving of pump, and electrode reacts, and then flows out pile and returns fluid reservoir, complete the mutual conversion of electric energy and chemical energy in electrolyte solution circulating in the battery, realize energy storage and power supply.
The key technology of zinc-bromine flow battery is pile, zinc bromine fluent material and circuit management and control, and pile is the emphasis in key.General, the pile of flow battery adopts heap formula structure, pile is made up of multiple monocell carrying out realizing charge and discharge process, monocell is made up of framework, barrier film, bipolar plates and encapsulant, multiple monocell becomes pile by filter press mode assembled in series, general, and the electrolyte import and export of pile is arranged in the package board at pile two ends, the Main Function of package board is the sealing that is fixed and clamped by monocell assembly stacked for pile, prevents the leakage of electrolyte.
The bipolar plates of existing flow battery and barrier film separately manufacture, and point plate welding, an i.e. block frame welding bipolar plates, one block frame welding barrier film, but due to framework, bipolar plates, barrier film is all thin-walled parts, product injection molding deformation is large, injection moulding framework evenness is out not high, when carrying out the assembling of bipolar plates and barrier film, be difficult to the sealing effectiveness ensureing flow battery, prior art is caused to have to carry out to flow battery the sealing encapsulating and ensure flow battery of pressurizeing by installing very thick alloy aluminium sheet additional at pile two ends, this mode causes whole battery assembly difficulty to strengthen on the one hand, the pile weight of battery is made to increase on the other hand large, battery production cost raises.
Utility model content
The utility model embodiment provides a kind of monocell framework of flow battery, be intended to solve in prior art to ensure sealing effectiveness, monocell uses two block frame assemblings and pile two ends to adopt alloy aluminium sheet to carry out pressurization encapsulation, cause whole battery assembly difficulty large, the pile weight of battery is large, the problem that battery production cost is high.
The utility model embodiment realizes like this, a kind of monocell framework of flow battery, two liquid flow holes comprising frame body, be located at the reacting hole at described frame body center, be symmetrically set in described reacting hole both sides, and be located at described framework two sides respectively for connecting two flow channel for liquids between described two liquid flow holes and described reacting hole
The periphery of described frame body one side has been arranged circumferentially at least one group of seal groove;
The periphery of described frame body another side and described seal groove corresponding position are provided with the sealed muscle at least one group of seal groove that can snap in adjacent frame body.
The utility model embodiment also provides a kind of integrated monocell of flow battery, comprise barrier film, bipolar plates and monocell framework, described monocell framework has the structure of above-mentioned monocell framework, described barrier film and described bipolar plates are located at the two sides of described monocell framework respectively, are connected and fixed between adjacent single cells framework by described seal groove and described sealed muscle.
The utility model embodiment also provides a kind of pile of flow battery, comprise monocell group and be located at the package board at described monocell group two ends and connect the fastening screw of described monocell group and described package board, described monocell group comprises the integrated monocell of above-mentioned flow battery.
The utility model embodiment also provides a kind of flow battery, and described flow battery comprises above-mentioned pile.
The utility model embodiment is by by the framework of monocell and bipolar plates, being made of one of barrier film assembly, seal groove is set in framework one side simultaneously, another side arranges sealed muscle, adjacent two integrated monocells are embedded by the seal groove of framework and the sealed muscle of another framework coordinate, carry out compressing the sealing effectiveness that can ensure battery in the composite plate that pile two ends service quality is light like this, the pile assembling of whole battery is simple, and pile is lightweight, and the production cost of battery is low.
Accompanying drawing explanation
Fig. 1 is the monocell block schematic illustration of the flow battery that the utility model embodiment provides;
Fig. 2 is the monocell frame seal groove partial schematic diagram that the utility model embodiment provides;
Fig. 3 is the monocell frame seal muscle partial schematic diagram that the utility model embodiment provides;
Fig. 4 is the monocell framework partial cutaway schematic of the flow battery that the utility model embodiment provides;
Fig. 5 is the integrated monocell schematic diagram of the flow battery that the utility model embodiment provides;
Fig. 6 is the pile schematic diagram of the flow battery that the utility model embodiment provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the utility model embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
The utility model embodiment arranges seal groove in framework one side, another side arranges sealed muscle, adjacent two monocells are embedded by the seal groove of framework and the sealed muscle of another framework coordinate, simultaneously by the framework of monocell and bipolar plates, being made of one of barrier film assembly, carry out compressing the sealing effectiveness that both can ensure battery in the composite plate that pile two ends service quality is light like this, pile is lightweight, and pile is easy to install, and the production cost of battery is low.
As shown in figures 1 and 3, the monocell framework of a kind of flow battery that the utility model embodiment provides, comprise frame body 1, be located at the reacting hole 10 at frame body 1 center, be symmetrically set in the liquid flow hole 2 of reacting hole 10 both sides and liquid flow hole 4 (liquid flow hole 2 and liquid flow hole 4 one of them be inlet opening, one is fluid hole), and be located at framework two sides respectively for connecting two flow channel for liquids between two liquid flow holes and reacting hole, wherein A mask has connecting fluid discharge orifice 2 and the flow channel for liquids between liquid flow hole 4 and reacting hole 10 3 and flow channel for liquids 5, B face (i.e. the reverse side of A) has connecting fluid discharge orifice 6-1 and the flow channel for liquids (not shown) between liquid flow hole 6-2 and reacting hole 10, flow channel for liquids 3 and the flow channel for liquids 5 in this flow channel for liquids and A face have same structure.Wherein liquid flow hole 2 and liquid flow hole 4 are for running through the through hole of frame body, and flow channel for liquids 3 and the non-through frame body 1 of flow channel for liquids 5.Flow channel for liquids 3 and flow channel for liquids 5 can have multicomponent and prop up, to ensure that electrolyte can enter reacting hole region uniformly;
The periphery in the one side A face as shown in Figure 1 of frame body 1 has been arranged circumferentially at least one group of seal groove 7, and the periphery simultaneously in the another side B face as shown in Figure 3 (i.e. the reverse side of A) of frame body 1 and seal groove 7 corresponding position are provided with at least one group of sealed muscle 12 that can snap in adjacent frame body seal groove 7.During the utility model is implemented, seal groove and sealed muscle belong to interference fit, like this, after electrolyte enters monocell framework by liquid flow hole, adjacent two monocell frameworks coordinate due to the embedding of the seal groove on framework and sealed muscle, electrolyte is well sealed, the alloy aluminium sheet that the package board at pile two ends does not need working strength very large, and use the resin of common intensity, the composite plate of glass fibre composition can seal completely, simultaneously because framework two sides arranges for integrated bipolar plates and barrier film welding step respectively, framework can be made, bipolar plates, barrier film, encapsulant becomes as a whole, do not need to use two block frames to assemble barrier film and bipolar plates respectively as prior art, save material, decrease assembly difficulty, the weight of whole battery pile reduces simultaneously, battery production cost reduces.
In the utility model embodiment, the barrier film welding step 20 lower than frame body thickness is provided with, the liquid flow hole 2 of these both sides, face of area covering of barrier film welding step 20, liquid flow hole 4 and flow channel for liquids 3, flow channel for liquids 5 inside the seal groove 7 of frame body as shown in Figure 2;
As shown in Figure 3, be provided with the bipolar plates welding step 17 lower than frame body thickness inside the sealed muscle 12 of frame body, the area of bipolar plates welding step 17 does not cover liquid flow hole 6-1, liquid flow hole 6-2 and the flow channel for liquids of these both sides, face.The placement in chassis body of barrier film and bipolar plates and location are convenient in the setting of above-mentioned welding step, barrier film welding step and bipolar plates welding step projected area inconsistent in chassis body, two projections of welding bench terrace on body are staggered, make can misplace during welding welding, reduce the distortion of framework in welding process.Weld step lower than frame thickness, the height after such barrier film has welded with bipolar plates is concordant with framework, multiple monocell can be made to combine when assembling smooth, to ensure sealing effectiveness simultaneously.
As an embodiment of the present utility model, as Fig. 2, shown in Fig. 3, the periphery in monocell framework A face has been arranged circumferentially at least one group of seal groove 7, this group seal groove 7 comprises the first seal groove 7-1 successively from the outside of monocell framework to inner side, second seal groove 7-2 and the 3rd seal groove 7-3, the periphery in monocell framework B face has been arranged circumferentially at least one group of sealed muscle group 12, this group sealed muscle 12 comprises the first sealed muscle 12-1 successively from the outside of monocell framework to inner side, second sealed muscle 12-2 and the 3rd sealed muscle 12-3, the first seal groove 7-1 in framework A face embeds with the first sealed muscle 12-1 in another framework B face and coordinates, second seal groove 7-2 embeds with the second sealed muscle 12-2 and coordinates, 3rd seal groove 7-3 embeds with the 3rd sealed muscle 12-3 and coordinates, be appreciated that, in other embodiments of the present utility model, the seal groove in framework A face and the sealed muscle in framework B face can be many groups, carry out embedding by many group seal grooves with sealed muscle between adjacent frame to coordinate, better sealing effectiveness can be obtained.
The frame material of the utility model embodiment is vinyon, and vinyon has good acid and alkali-resistance characteristic, has certain intensity to make injection moulding process not yielding simultaneously, to ensure the sealing property after battery assembling.
The sealed muscle of the utility model embodiment is injection molded into one by Shooting Technique and chassis body, avoids in prior art and uses encapsulant be filled in the seal groove between two pieces of adjacent frame as plastic seal ring etc. and easily cause the problem of leakage.
Figure 4 shows that the generalized section of the frame seal groove that the utility model embodiment provides and sealed muscle, in the utility model embodiment, B face arranges at least three sealed muscles and coordinates with three seal grooves in A face, can effectively prevent electrolyte from flowing out from leaking to frame edge when liquid flow hole and flow channel for liquids flowing, be appreciated that, in other embodiments of the present utility model, sealed muscle and seal groove can be arranged circumferentially multiple.
In the utility model embodiment, the periphery of framework has been arranged circumferentially installing hole 8 and location hole 9, and the Fold additon location being convenient to multiple monocell, with fixing, makes the installation process of pile simple, quick.
The integrated monocell of the flow battery that the utility model embodiment provides, as shown in Figure 5, integration monocell 21 comprises barrier film 24, bipolar plates 22 and monocell framework 23, the periphery of monocell frame body one side has been arranged circumferentially at least one group of seal groove, be provided with the barrier film welding step lower than frame body thickness inside the seal groove of frame body, be welded and fixed barrier film 24; The periphery of frame body another side and seal groove corresponding position are provided with the sealed muscle at least one group of seal groove that can snap in adjacent frame body, be provided with the bipolar plates welding step lower than frame body thickness inside the sealed muscle of frame body, be welded and fixed bipolar plates 22.The integrated monocell that the utility model embodiment provides first by sealed muscle by Shooting Technique and chassis body be injection molded into one, by welding procedure, bipolar plates 22 is fixedly welded on the bipolar plates welding step of framework 23 again, barrier film 24 is fixedly welded on the barrier film welding step of framework 23, like this by existing framework, barrier film, bipolar plates and encapsulant are made of one assembly, do not need to use two block frames to assemble barrier film and bipolar plates respectively as prior art, save material, decrease location and the assembly difficulty of monocell in pile assembling process simultaneously, improve the production efficiency of battery, reduce production cost.
In the utility model embodiment, barrier film welding step weld step shape with bipolar plates is square, then barrier film welds the area that step and bipolar plates weld step is square, and accordingly, it is square that bipolar plates and barrier film are also designed to adapt with it; The liquid flow hole of these both sides, face of area covering of the step of barrier film welding simultaneously and flow channel for liquids; The area of bipolar plates welding step does not cover liquid flow hole and the flow channel for liquids of these both sides, face, the length of bipolar plates is made to be less than diaphragm length, stagger in such bipolar plates and the barrier film welding position on framework, the frame body distortion that can prevent from two sides same position on framework from welding causing, ensures sealing function during adjacent single cells assembling.
In the utility model embodiment, bipolar plates and barrier film are welded in bipolar plates welding step and the barrier film welding step of framework respectively by laser, and laser welding makes welding accurate easy to control, good sealing effect.
The utility model embodiment also provides a kind of pile of flow battery, as shown in Figure 6, comprise monocell group, the package board 25 at monocell group two ends and the fastening screw 26 of coupling assembling and package board that at least two integrated monocells 21 mutually snapping in the flow battery as shown in Figure 5 of sealing form, inlet opening and the fluid hole of pile are not shown.Adopt the pile that integrated monocell is stacking, make assembling process simple and quick, improve production efficiency, reduce the cost of installation, simultaneously due to the Seal Design of framework, make the light composite plate be formed by combining by resin, glass fibre of the package board service quality at pile two ends can ensure the sealing effectiveness of pile electrolyte inside, the weight of pile is greatly alleviated, also reduces the production cost of battery simultaneously.
The utility model embodiment also provides a kind of flow battery (overall structure of battery does not illustrate in the drawings), comprise pile as shown in Figure 6, the integrated monocell that pile adopts framework as shown in Figure 1 and has this structural framing composition combines, the pile of battery is assembled and is simply easy to operation, efficiency of assembling improves, reduce the cost of labor of installation, simultaneously due to the Seal Design of framework, make the package board service quality at pile two ends light by resin, the composite plate of the combinations of materials such as glass fibre can ensure the sealing effectiveness of pile electrolyte inside, make whole battery weight light, also further reduce the cost of product simultaneously.
The flow battery that the utility model embodiment provides and monocell framework, integrated monocell, pile, adopt encapsulant and the integrated structure of framework, and the monocell that framework and bipolar plates, barrier film are integrated, make to carry out compressing the sealing effectiveness that can ensure battery in the composite plate that pile two ends service quality is light, whole pile is lightweight, the production cost of battery is low, makes the pile assembling process of whole battery become simple and quick simultaneously, improves the production efficiency of battery.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. the monocell framework of a flow battery, two liquid flow holes comprising frame body, be located at the reacting hole at described frame body center, be symmetrically set in described reacting hole both sides, and be located at described framework two sides respectively for connecting two flow channel for liquids between described two liquid flow holes and described reacting hole, it is characterized in that
The periphery of described frame body one side has been arranged circumferentially at least one group of seal groove;
The periphery of described frame body another side and described seal groove corresponding position are provided with the sealed muscle at least one group of seal groove that can snap in adjacent frame body.
2. the monocell framework of flow battery as claimed in claim 1, it is characterized in that, the barrier film welding step lower than described frame body thickness is provided with, the liquid flow hole of these both sides, face of area covering of described barrier film welding step and flow channel for liquids inside the seal groove of described frame body;
Be provided with the bipolar plates welding step lower than described frame body thickness inside the sealed muscle of described frame body, the area of described bipolar plates welding step does not cover liquid flow hole and the flow channel for liquids of these both sides, face.
3. the monocell framework of flow battery as claimed in claim 1 or 2, it is characterized in that, described seal groove is one group, and described one group of seal groove comprises the first seal groove, the second seal groove and the 3rd seal groove successively from the outside of monocell framework to inner side; Described sealed muscle is one group, described one group of sealed muscle comprises the first sealed muscle, the second sealed muscle and the 3rd sealed muscle successively from the outside of monocell framework to inner side, first seal groove of described frame body, the second seal groove and the 3rd seal groove snap in the first sealed muscle of adjacent frame body, the second sealed muscle and the 3rd sealed muscle respectively and coordinate.
4. the monocell framework of flow battery as claimed in claim 1, it is characterized in that, described frame body material is vinyon.
5. the integrated monocell of a flow battery, comprise barrier film, bipolar plates and monocell framework, it is characterized in that, described monocell framework has the structure described in claim 1, described barrier film and described bipolar plates are located at the two sides of described monocell framework respectively, are connected and fixed between adjacent single cells framework by described seal groove and described sealed muscle.
6. the integrated monocell of flow battery as claimed in claim 5, it is characterized in that, the barrier film welding step lower than described frame body thickness is provided with inside the seal groove of described frame body, the liquid flow hole of these both sides, face of area covering of described barrier film welding step and flow channel for liquids, described barrier film is fixed in described barrier film welding step by laser welding;
The bipolar plates welding step lower than described frame body thickness is provided with inside the sealed muscle of described frame body, the area of described bipolar plates welding step does not cover liquid flow hole and the flow channel for liquids of these both sides, face, and described bipolar plates is fixed in described bipolar plates welding step by laser welding.
7. the integrated monocell of the flow battery as described in claim 5 or 6, is characterized in that, described seal groove is one group, and described one group of seal groove comprises the first seal groove, the second seal groove and the 3rd seal groove successively from the outside of monocell framework to inner side; Described sealed muscle is one group, described one group of sealed muscle comprises the first sealed muscle, the second sealed muscle and the 3rd sealed muscle successively from the outside of monocell framework to inner side, first seal groove of described frame body, the second seal groove and the 3rd seal groove snap in the first sealed muscle of adjacent frame body, the second sealed muscle and the 3rd sealed muscle respectively and coordinate.
8. the pile of a flow battery, comprise monocell group and be located at the package board at described monocell group two ends and connect the fastening screw of described monocell group and described package board, it is characterized in that, described monocell group comprises the integrated monocell of the flow battery according to any one of claim 5 to 7.
9. the pile of flow battery as claimed in claim 8, is characterized in that, the package board at described pile two ends is the composite plate of resin, glass fiber material composition.
10. a flow battery, is characterized in that, described flow battery comprises pile as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492226.8U CN204732482U (en) | 2015-07-07 | 2015-07-07 | A kind of flow battery and monocell framework, integrated monocell, pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520492226.8U CN204732482U (en) | 2015-07-07 | 2015-07-07 | A kind of flow battery and monocell framework, integrated monocell, pile |
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| Publication Number | Publication Date |
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| CN204732482U true CN204732482U (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520492226.8U Withdrawn - After Issue CN204732482U (en) | 2015-07-07 | 2015-07-07 | A kind of flow battery and monocell framework, integrated monocell, pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328969A (en) * | 2015-07-07 | 2017-01-11 | 宁波亘新储能技术有限公司 | Flow redox cell and single cell framework, integrated single cell and electric stack thereof |
-
2015
- 2015-07-07 CN CN201520492226.8U patent/CN204732482U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106328969A (en) * | 2015-07-07 | 2017-01-11 | 宁波亘新储能技术有限公司 | Flow redox cell and single cell framework, integrated single cell and electric stack thereof |
| CN106328969B (en) * | 2015-07-07 | 2019-10-25 | 宁波亘新储能技术有限公司 | A kind of flow battery and its monocell frame, integrated monocell, pile |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20160704 Address after: 315000 No. two, 1188 Binhai New Area, Hangzhou Bay, Zhejiang, Ningbo Patentee after: Ningbo, new energy storage technology Co. Ltd. Address before: 315325, Ningbo City, Zhejiang province Cixi town Zhouxiang East Village Lu Xiang Patentee before: Lu Xinli |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20191025 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20151028 Effective date of abandoning: 20191025 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |