CN215896473U - Flow battery integration module structure - Google Patents

Flow battery integration module structure Download PDF

Info

Publication number
CN215896473U
CN215896473U CN202220117083.2U CN202220117083U CN215896473U CN 215896473 U CN215896473 U CN 215896473U CN 202220117083 U CN202220117083 U CN 202220117083U CN 215896473 U CN215896473 U CN 215896473U
Authority
CN
China
Prior art keywords
plate
frame
electrode
sealing groove
bipolar plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202220117083.2U
Other languages
Chinese (zh)
Inventor
张桂香
张聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weifang Lide Electric Storage Technology Co ltd
Original Assignee
Weifang Lide Electric Storage Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Weifang Lide Electric Storage Technology Co ltd filed Critical Weifang Lide Electric Storage Technology Co ltd
Priority to CN202220117083.2U priority Critical patent/CN215896473U/en
Application granted granted Critical
Publication of CN215896473U publication Critical patent/CN215896473U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Landscapes

  • Fuel Cell (AREA)

Abstract

A flow battery integrated module structure belongs to the field of flow batteries and aims to solve the problems of modularized integration and air tightness of a high-power flow battery pile, a first electrode is arranged in a first plate hole of a first plate frame, and the first electrode is elastically bonded in a first sealing groove of a first bipolar plate so that the first plate frame is hermetically connected with the first bipolar plate through the first electrode; the second electrode is arranged in a second plate hole of the second plate frame, and the second electrode is elastically bonded in a second sealing groove of the second bipolar plate so that the second plate frame is hermetically connected with the second bipolar plate through the second electrode; proton exchange membrane towards one side of first sheet frame and in the thickness direction, partly proton exchange membrane elasticity bonds in the third seal groove of first sheet frame, proton exchange membrane towards one side of second sheet frame and in the thickness direction, another part proton exchange membrane elasticity bonds in the fourth seal groove of second sheet frame, and the effect reduces because of the influence that electrolyte operating pressure fluctuation arouses the subassembly displacement.

Description

Flow battery integration module structure
Technical Field
The utility model belongs to the field of flow batteries, and relates to a flow battery integrated module structure, a galvanic pile for installing the module or the module, and a flow battery for installing the galvanic pile.
Background
The flow battery is called redox flow battery, and is a high-efficiency electrochemical energy storage technology. The flow battery is composed of bipolar plates, carbon electrodes, a proton exchange membrane, a collector plate, electrode frames, end plates and the like. The working medium of the flow battery is acidic liquid called electrolyte, and the loss of the electrolyte can not only cause the reduction of charge and discharge energy, but also cause environmental pollution and safety accidents. In the entire flow battery system, the stack is the core power component thereof, and is also the weakest part of the entire system seal. The electric pile is used as a flow battery power unit, and the power of the electric pile is determined by the number of single batteries under the preset energy efficiency. Along with the development of the energy storage industry, the demand of the electric quantity storage and the output power of the flow battery is increasingly greater, a high-power electric pile needs hundreds or even hundreds of single batteries to be connected in series to form the high-power electric pile, the large single battery pile provides high requirements for the consistency of the sealing and charging and discharging performances of the electric pile and the operation reliability of the battery, the integration difficulty of the electric pile is improved, and the endurance risk of the electric pile is increased. The existing high-power galvanic pile integration usually adopts a mode of repeatedly stacking bipolar plates, electrodes, plate frames and proton membranes, so that the integration efficiency is not favorably improved, the air tightness of the whole galvanic pile can be evaluated only after the whole galvanic pile is integrated, the leakage source investigation is not favorably carried out, the maintenance performance of the galvanic pile is reduced, and the modularized integration of the galvanic pile has urgent requirements.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of modularized integration of the galvanic pile of the high-power flow battery and module airtightness, reduce the influence of component displacement caused by working pressure fluctuation of electrolyte and improve the consistency of charging and discharging performances of the galvanic pile, the utility model provides the following technical scheme: a flow battery integrated module structure comprises a first bipolar plate, a first electrode, a first plate frame, a proton exchange membrane, a second bipolar plate, a second plate frame and a second electrode, wherein the first electrode is arranged in a first plate hole of the first plate frame, and the first electrode is elastically bonded in a first sealing groove of the first bipolar plate so that the first plate frame is hermetically connected with the first bipolar plate through the first electrode; the second electrode is arranged in a second plate hole of the second plate frame, and the second electrode is elastically bonded in a second sealing groove of the second bipolar plate so that the second plate frame is hermetically connected with the second bipolar plate through the second electrode; one side of the proton exchange membrane facing the first plate frame and part of the proton exchange membrane in the thickness direction are elastically bonded in the third sealing groove of the first plate frame, and one side of the proton exchange membrane facing the second plate frame and part of the proton exchange membrane in the thickness direction are elastically bonded in the fourth sealing groove of the second plate frame.
As a supplement to the above technical solution, the first bipolar plate includes a frame and a first flow field region, the first flow field region is a first sealing groove formed by the frame of the first bipolar plate being recessed into the middle region, an opening in a region of the first plate frame opposite to the first sealing groove of the first bipolar plate is a first plate hole, and the first plate hole penetrates through the first plate frame in a thickness direction of the first plate frame.
As a supplement to the above technical solution, the second bipolar plate includes a frame and a second flow field region, the second flow field region is a second sealing groove formed by the frame of the second bipolar plate being recessed into the middle region, an opening in a region of the second plate frame opposite to the second sealing groove of the second bipolar plate is a second plate hole, and the second plate hole penetrates through the second plate frame in the thickness direction of the second plate frame.
As a supplement to the technical scheme, the first plate frame comprises a first plate hole on the plate surface and a frame region located around the first plate hole, and the frame region of one side of the first plate frame facing the second bipolar plate is recessed inwards to form a third sealing groove;
the second plate frame includes the second diaphragm orifice on the face and is located the frame region all around of second diaphragm orifice, and the second plate frame is concave towards the frame region on one side of first bipolar plate and forms the fourth seal groove.
In addition to the above technical solution, the thickness of the first electrode is greater than the thickness of the first plate hole, and the thickness of the second bipolar plate hole is greater than the thickness of the second plate hole.
As a supplement to the technical solution, the elastic bonding of the first electrode in the first sealing groove of the first bipolar plate is to bond the side surface of the first electrode on the groove opening surface at the inner side of the first sealing groove;
the second electrode is elastically bonded in the second sealing groove of the second bipolar plate, and the side surface of the second electrode is bonded on the inner side of the second sealing groove.
As a supplement to the technical scheme, the proton exchange membrane is partially embedded in the third sealing groove in the thickness direction, and the side surface of the proton exchange membrane in the thickness direction is bonded on the inner slotted surface in the third sealing groove;
the proton exchange membrane is partially embedded in the fourth sealing groove in the thickness direction, and the side surface of the proton exchange membrane is bonded on the inner side groove surface in the fourth sealing groove in the thickness direction.
As a supplement to the technical scheme, the elastic bonding is bonding normal-temperature curing glue through dispensing or injection molding or pasting.
As a supplement to the technical solution, the elastic bonding bonds the thermocompression curing glue by dispensing or injection molding or pasting.
Has the advantages that: according to the utility model, the repeatedly stacked components of the flow cell stack are constructed in a modularized manner to form a minimum structure for realizing the function of the stack, and the mode that the stack is directly stacked through the components is improved to the mode that the stack is stacked through the modules, so that the airtightness detection of each module can be carried out before the stack is integrated, and the airtightness stability after the stack is integrated is improved. And leakage source investigation after the galvanic pile is integrated can also be carried out by taking the module as a unit, so that the maintenance performance of the galvanic pile is improved. The module structure disclosed by the utility model is connected with the component in a sealing groove and elastic bonding mode, the elasticity of the module in the thickness direction can fluctuate within a certain range due to the elastic bonding structure, and the displacement of the component caused by the fluctuation of the working pressure of the electrolyte can be buffered to a certain extent by the elastic bonding structure when the working pressure of the electrolyte fluctuates in the operation process of the galvanic pile, so that the constancy of the mechanical pressure among the components in the working process of the galvanic pile is ensured, and the charging and discharging performance consistency of the galvanic pile is maintained.
Drawings
FIG. 1 is an exploded view of a flow cell stack integrated module assembly;
fig. 2 is an explosion schematic diagram of a second plate frame, a second electrode and a second bipolar plate structure of the flow battery and galvanic pile integrated module.
Fig. 3 is an exploded schematic view of a first plate frame, a first electrode and a first bipolar plate structure of the flow cell stack integrated module.
Fig. 4 is a schematic diagram of the distribution of electrolyte ports of the flow cell stack integrated module.
In the figure: 1 a first bipolar plate; 2 a first electrode; 3, a first plate frame; 4, a proton exchange membrane; 5, a second plate frame; 6 a second electrode; 7 a second bipolar plate; 8, a flow passage; 9 a first seal groove; 10 a second seal groove; 11 a third seal groove; 12 a fourth seal groove; 13 a first electrolyte port; 14 a second electrolyte port; 15 a third electrolyte port; 16 a fourth electrolyte port; 17 first plate holes; 18 second plate holes.
Detailed Description
The embodiments of the present invention will be described in detail below, and the embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. The terms "front", "rear", "left", "right", "upper" and "lower" in the embodiments are only used for the positions shown in the figures of the embodiments, and do not limit the actual use space.
Example 1: as shown in fig. 1, the flow battery integrated module structure includes a first bipolar plate 1, a first electrode 2, a first plate frame 3, a proton exchange membrane 4, a second bipolar plate 7, a second plate frame 5, and a second electrode 6.
The first bipolar plate 1 comprises a frame and a first flow field area, the first flow field area is a first sealing groove 9 formed by the first bipolar plate 1 by the frame in a concave manner towards the middle area, an opening in an area, opposite to the first sealing groove 9 of the first bipolar plate 1, of the first plate frame 3 is a first plate hole 17, and the first plate hole 17 penetrates through the first plate frame 3 in the thickness direction of the first plate frame 3. The first electrode 2 is installed in the first plate hole 17 of the first plate frame 3, and the first electrode 2 is elastically bonded in the first sealing groove 9 of the first bipolar plate 1, so that the first plate frame 3 is hermetically connected with the first bipolar plate 1 through the first electrode 2.
In a preferred embodiment, the thickness of the first electrode 2 is greater than the thickness of the first plate hole 17, and the thickness of the second bipolar plate 7 is greater than the thickness of the second plate hole 18.
As shown in fig. 3, in a preferred embodiment, the first electrode 2 is elastically bonded in the first sealing groove 9 of the first bipolar plate 1 by bonding the side surface of the first electrode 2 to the inner side of the first sealing groove 9. The side surfaces of the first electrode 2 refer to upper and lower side surfaces and left and right side surfaces, and in the present embodiment, the surface facing the first bipolar plate 1 is a bottom surface. In the present embodiment, the side surface of the first electrode 2 is located partially in the first hole 17 and partially in the first seal groove 9 in the thickness direction.
As shown in fig. 4, the second bipolar plate 7 includes a frame and a second flow field region, the second flow field region is a second sealing groove 10 formed by the frame of the second bipolar plate 7 being recessed into the middle region, an opening in a region of the second plate frame 5 opposite to the second sealing groove 10 of the second bipolar plate 7 is a second plate hole 18, and the second plate hole 18 penetrates through the second plate frame 5 in the thickness direction of the second plate frame 5. The second electrode 6 is installed in a second plate hole of the second plate frame 5, and the second electrode 6 is elastically bonded in a second sealing groove 10 of the second bipolar plate 7, so that the second plate frame 5 is hermetically connected with the second bipolar plate 7 through the second electrode 6.
In a preferred embodiment, the second electrode 6 is elastically bonded in the second sealing groove 10 of the second bipolar plate 7 by bonding the side surface of the second electrode 6 to the inner grooved surface of the second sealing groove 10. The side surfaces of the second electrode 6 refer to the upper and lower side surfaces and the left and right side surfaces, and in the present embodiment, the surface facing the second bipolar plate 7 is the bottom surface. In the present embodiment, the side surface of the second electrode 6 is located partially in the second plate hole 18 and partially in the second seal groove 10 in the thickness direction.
First sheet frame 3 includes first plate hole 17 on the face and is located the frame region all around of first plate hole 17, and first sheet frame 3 inwards forms third seal groove 11 towards the frame region indent of second bipolar plate 7 one side. The side of the proton exchange membrane 4 facing the first plate frame 3 and a part of the proton exchange membrane 4 in the thickness direction are elastically bonded in the third sealing groove 11 of the first plate frame 3. In a preferred embodiment, the proton exchange membrane 4 is partially embedded in the third seal groove 11 in the thickness direction, and the side surface of the proton exchange membrane 4 in the thickness direction is bonded to the inner grooved surface in the third seal groove 11.
The second plate frame 5 includes the second plate hole 18 on the face and is located the frame region around the second plate hole 18, and the frame region indent of second plate frame 5 towards first bipolar plate 1 one side forms fourth seal groove 12. The side of the proton exchange membrane 4 facing the second plate frame 5 and a part of the proton exchange membrane 4 in the thickness direction are elastically bonded in the fourth sealing groove 12 of the second plate frame 5. In a preferred embodiment, the proton exchange membrane 4 is partially embedded in the fourth seal groove 12 in the thickness direction, and the side surface of the proton exchange membrane 4 in the thickness direction is bonded to the inner grooved surface in the fourth seal groove 12.
In the present embodiment, the first plate frame 3 and the second plate frame 5 share one proton exchange membrane 4, so in the thickness direction of the present embodiment, part of the proton exchange membrane 4 is located in the third sealing groove 11, and part of the proton exchange membrane 4 is located in the fourth sealing groove 12.
In one scheme, the elastic bonding is bonding normal-temperature curing glue through dispensing or injection molding or pasting. In another scheme, the elastic bonding is to bond the hot-pressing curing glue through dispensing or injection molding or pasting. Its purpose has elasticity after the glue solidification, and the structure of elastic bonding can fluctuate in certain extent at its elasticity of module thickness direction, and the pile operation in-process, when electrolyte operating pressure takes place to fluctuate, elastic sealing structure can buffer the subassembly displacement that arouses because of electrolyte operating pressure fluctuation to a certain extent to guarantee the constancy of mechanical pressure between the subassembly in the pile working process, maintain the pile charge-discharge performance uniformity. In addition, when the module internal component is impaired, whole module can be separated under the frock is supplementary, reaches the purpose of changing the impaired subassembly of module, improves the maintainability of pile, reduces pile use cost.
As shown in fig. 4, in one embodiment, two corner positions of the upper frame of the first bipolar plate 1, the second bipolar plate 7, the first plate frame 3 and the second plate frame 5 have a first electrolyte port 13 and a second electrolyte port 14, and two corner positions of the lower frame of the first bipolar plate 1, the second bipolar plate 7, the first plate frame 3 and the second plate frame 5 have a third electrolyte port 15 and a fourth electrolyte port 16. If the first electrolyte port 13 located on the upper frame is an anode electrolyte inlet, the fourth electrolyte port 16 located on the lower frame and diagonally opposite to the first electrolyte port is an anode electrolyte outlet, the second electrolyte port 14 located on the upper frame is a cathode electrolyte inlet, and the third electrolyte port 15 located on the lower frame and diagonally opposite to the second electrolyte port is a cathode electrolyte outlet, so that the flow of electrolyte is increased within the pressure range that the stack can bear.
Example 2: in this embodiment, the flow battery integrated module structure described in embodiment 1 is a minimum module structure, and on this basis, the first bipolar plate 1 or the second bipolar plate 7 of the module is used as a symmetry plane to perform plane symmetry lamination, and stacked and mounted into the flow battery integrated module structure, and the outermost sides of the formed module are bipolar plates. The number of the modules which are installed in a stacked mode is determined by the target power of the flow battery, and the electric pile is formed on the basis of the target power.
Example 3: a flow battery, wherein the stack described in example 2 is used as a stack of a flow battery. In a preferred scheme, the flow battery comprises an electric pile, a positive electrolyte storage tank, a negative electrolyte storage tank, a positive electrolyte circulating pump, a negative electrolyte circulating pump, an electrolyte pipeline and accessories, wherein the accessories comprise various interfaces, a display window, a lead and an air pipe, and the electric pile in the embodiment 2 is used as the electric pile of the flow battery in the scheme. In a preferred embodiment, the flow battery is an all vanadium flow battery. The integrated module is a form between the single battery and the electric pile, and is a module integrally packaging the polar plate, the electrode and the proton exchange according to design parameters. The integrated module has expandability, can be assembled into the galvanic pile with different powers by matching with the integrated modules with different quantities so as to be applied to different application scene requirements, has simple structure and integration method, and is suitable for large-scale industrial application.
Example 4: as shown in fig. 1-4, a flow battery integrated module structure is formed by stacking and integrating different numbers of components. This embodiment illustrates a set of components including a first bipolar plate 1, a first electrode 2, a first plate frame 3, a proton exchange membrane 4, a second plate frame 5, a second electrode 6, and a second bipolar plate 7. The module superimposed structure is: the periphery of the middle region on the right side of the first bipolar plate 1 is provided with a first sealing groove 9, the sealing structure in the first sealing groove 9 is elastically bonded with the left side face of the first plate frame 3, the first electrode 2 is placed in a first plate hole 17 in the middle of the first plate frame 3, the periphery of the frame region on the right side of the first plate frame 3 is provided with a third sealing groove 11, and the sealing structure in the third sealing groove 11 is elastically bonded with the left side face of the proton exchange membrane 4. The periphery of the middle region on the left side surface of the second bipolar plate 7 is provided with a third sealing groove 11, the third sealing groove 11 is fixedly bonded with the right side surface of the second plate frame 5 through a sealing structure in the third sealing groove 11, and the second electrode 6 is placed in a second plate hole 18 in the middle of the second plate frame 5. And a second sealing groove 10 is formed around the frame on the left side surface of the second plate frame 5, and the second sealing groove 10 is elastically bonded with the right side surface of the proton exchange membrane 4 which is elastically bonded with the first plate frame 3 into a whole through a sealing structure in the second sealing groove 10.
As shown in fig. 1, the electrolyte flow channels 8 and the sealing grooves on the plate surface are disposed on the two side planes of the first bipolar plate 1 and the second bipolar plate 7. The electrolyte runner 8 is processed in a mould pressing or machine carving mode and is used for guiding electrolyte when the galvanic pile runs. The sealing structure is characterized in that an elastic sealing structure is prepared in the sealing groove through a sealing process, the sealing process of the sealing structure comprises dispensing, injection molding, sticking and the like, normal-temperature curing glue or hot-pressing curing glue is elastically bonded between the demand assembly and each sealing groove through the sealing process, and the demand assembly is embedded and elastically fixed in the sealing groove. Therefore, the elastic bonding between the components is realized by the sealing structure, and the elastic sealing structure is an elastic sealing structure. The sealing structure has certain viscosity, adjacent components are fastened together in a bonding mode, and the sealing structure with the viscosity of the sealing structure has certain tensile strength and can bear the outward expansion pressure of the flow pressure of the electrolyte when the pile works.
The integrated module of the flow battery galvanic pile of the embodiment, with bipolar plate, the sheet frame, electrode and proton exchange membrane 4 integration unit structure as the target power, each junction adopts glue to bond seal groove and subassembly elasticity, the embedded elasticity of subassembly bonds in the seal groove, whole module fastening is a whole, according to the application scene, the module can the exclusive use, also can be according to the demand of application scene to galvanic pile power, be integrated into the galvanic pile that the power grade is different with the module of different quantity, only adopt conventional sealing washer sealed between the module can. The components between the modules are sealed by elastic bonding, and when the components in the modules are damaged, the components in the modules can be separated through the tool, so that the purpose of replacing the damaged components is realized.
Elastic bonding's seal structure is on module thickness direction, and its elasticity can fluctuate in the certain extent, and the pile operation in-process, when electrolyte operating pressure takes place to fluctuate, elastic sealing structure can buffer the subassembly displacement that arouses because of electrolyte operating pressure fluctuation to a certain extent to guarantee the constancy of mechanical pressure between the pile operating process subassembly, maintain pile charge and discharge performance uniformity.
By the aforesaid, the redox flow battery pile integration module of this embodiment, fastening simple process, sealed yields is high, and detachable elastic bonding's seal structure has improved the pile and has maintained the performance, reduces module fortune dimension cost. In addition, the elastic buffer function of the elastic bonding and sealing structure can release the change of mechanical pressure among the assemblies caused by the working pressure fluctuation of the electrolyte, thereby achieving the constancy of the contact pressure of the assemblies and maintaining the consistency of the charging and discharging performance of the galvanic pile.
Example 5: in this embodiment, the flow battery integrated module structure described in embodiment 4 is a minimum module structure, and on this basis, the first bipolar plate 1 or the second bipolar plate 7 of the module is used as a symmetry plane to perform plane symmetry lamination, and stacked and mounted into the flow battery integrated module structure, and the outermost sides of the formed module are bipolar plates. The number of the modules which are installed in a stacked mode is determined by the target power of the flow battery, and the electric pile is formed on the basis of the target power.
Example 6: a flow battery, which uses the electric pile described in embodiment 5 as the electric pile of the flow battery. In a preferred scheme, the flow battery comprises an electric pile, a positive electrolyte storage tank, a negative electrolyte storage tank, a positive electrolyte circulating pump, a negative electrolyte circulating pump, an electrolyte pipeline and accessories, wherein the accessories comprise various interfaces, a display window, a lead and an air pipe, and the electric pile in embodiment 5 is used as the electric pile of the flow battery in the scheme. In a preferred embodiment, the flow battery is an all vanadium flow battery. The integrated module is a form between the single battery and the electric pile, and is a module integrally packaging the polar plate, the electrode and the proton exchange according to design parameters. The integrated module has expandability, can be assembled into the galvanic pile with different powers by matching with the integrated modules with different quantities so as to be applied to different application scene requirements, has simple structure and integration method, and is suitable for large-scale industrial application.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (9)

1. The integrated flow battery module structure is characterized by comprising a first bipolar plate (1), a first electrode (2), a first plate frame (3), a proton exchange membrane (4), a second bipolar plate (7), a second plate frame (5) and a second electrode (6), wherein the first electrode (2) is installed in a first plate hole (17) of the first plate frame (3), and the first electrode (2) is elastically bonded in a first sealing groove (9) of the first bipolar plate (1) so that the first plate frame (3) is hermetically connected with the first bipolar plate (1) through the first electrode (2); the second electrode (6) is arranged in a second plate hole (18) of the second plate frame (5), and the second electrode (6) is elastically bonded in a second sealing groove (10) of the second bipolar plate (7) so that the second plate frame (5) is hermetically connected with the second bipolar plate (7) through the second electrode (6); one side of the proton exchange membrane (4) facing the first plate frame (3) and part of the proton exchange membrane (4) in the thickness direction are elastically bonded in a third sealing groove (11) of the first plate frame (3), and one side of the proton exchange membrane (4) facing the second plate frame (5) and part of the proton exchange membrane (4) in the thickness direction are elastically bonded in a fourth sealing groove (12) of the second plate frame (5).
2. The integrated flow battery module structure as recited in claim 1, wherein the first bipolar plate (1) comprises a frame and a first flow field area, the first flow field area is a first sealing groove (9) formed by the frame of the first bipolar plate (1) being concave towards the middle area, an opening in an area of the first plate frame (3) opposite to the first sealing groove (9) of the first bipolar plate (1) is a first plate hole (17), and the first plate hole (17) penetrates through the first plate frame (3) in the thickness direction of the first plate frame (3).
3. The flow battery integrated module structure as recited in claim 2, wherein the second bipolar plate (7) comprises a frame and a second flow field region, the second flow field region is a second sealing groove (10) formed by the frame of the second bipolar plate (7) being concave towards the middle region, an opening in a region of the second plate frame (5) opposite to the second sealing groove (10) of the second bipolar plate (7) is a second plate hole (18), and the second plate hole (18) penetrates through the second plate frame (5) in the thickness direction of the second plate frame (5).
4. The flow battery integrated module structure as recited in claim 3,
the first plate frame (3) comprises first plate holes (17) on the plate surface and a frame region located around the first plate holes (17), and the frame region of one side, facing the second bipolar plate (7), of the first plate frame (3) is recessed to form a third sealing groove (11);
the second plate frame (5) comprises a second plate hole (18) on the plate surface and a frame region located on the periphery of the second plate hole (18), and the second plate frame (5) is concave towards the frame region on one side of the first bipolar plate (1) to form a fourth sealing groove (12).
5. The flow battery integrated module structure as recited in claim 4, wherein the thickness of the first electrode (2) is greater than the thickness of the first plate hole (17), and the thickness of the second bipolar plate (7) is greater than the thickness of the second plate hole (18).
6. The flow battery integrated module structure as recited in any one of claims 1-5,
the first electrode (2) is elastically bonded in the first sealing groove (9) of the first bipolar plate (1), and the side surface of the first electrode (2) is bonded on the inner grooved surface of the first sealing groove (9);
the second electrode (6) is elastically bonded in the second sealing groove (10) of the second bipolar plate (7), and the side surface of the second electrode (6) is bonded on the inner grooved surface of the second sealing groove (10).
7. The flow battery integrated module structure as recited in any one of claims 1-5,
the proton exchange membrane (4) is partially embedded in the third sealing groove (11) in the thickness direction, and the side surface of the proton exchange membrane (4) in the thickness direction is bonded on the inner side slotted surface in the third sealing groove (11);
the proton exchange membrane (4) is partially embedded in the fourth seal groove (12) in the thickness direction, and the side surface of the proton exchange membrane (4) in the thickness direction is bonded on the inner side of the fourth seal groove (12).
8. The flow battery integrated module structure as claimed in any one of claims 1 to 5, wherein the elastic bonding is formed by gluing or injection molding or pasting room temperature curing glue.
9. The flow battery integrated module structure as claimed in any one of claims 1 to 5, wherein the elastic bonding is formed by gluing or injection molding or pasting of thermocompression curing glue.
CN202220117083.2U 2022-01-18 2022-01-18 Flow battery integration module structure Active CN215896473U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220117083.2U CN215896473U (en) 2022-01-18 2022-01-18 Flow battery integration module structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220117083.2U CN215896473U (en) 2022-01-18 2022-01-18 Flow battery integration module structure

Publications (1)

Publication Number Publication Date
CN215896473U true CN215896473U (en) 2022-02-22

Family

ID=80251287

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220117083.2U Active CN215896473U (en) 2022-01-18 2022-01-18 Flow battery integration module structure

Country Status (1)

Country Link
CN (1) CN215896473U (en)

Similar Documents

Publication Publication Date Title
CN112701315B (en) Sealing structure and sealing method of non-welded metal plate single cell
CN109473681B (en) Fuel cell bipolar plate with intermittent structure
CN110828844A (en) High-performance proton exchange membrane fuel cell cathode and anode flow field and bipolar plate thereof
CN213026205U (en) Sealed cross-sectional structure that glues of bipolar plate
CN109728321B (en) Single fuel cell and fuel cell stack
CN112310433B (en) Sealing structure of fuel cell and assembly method of fuel cell stack
CN214203744U (en) Electrode frame and diaphragm or bipolar plate integrated assembly
CN215896473U (en) Flow battery integration module structure
CN112366333B (en) 3D printing processing method of conductive partition plate with gas-liquid distribution flow field
CN111640961A (en) Fuel cell module and fuel cell stack
CN100356618C (en) High-efficient fuel battery guide bipolar plates and producing method thereof
CN113889643B (en) Preparation of integrated battery structure for all-vanadium redox flow battery, battery structure and application
CN214176078U (en) Sealing structure of non-welding type metal plate single cell
CN115548368A (en) Method for manufacturing proton exchange membrane fuel cell by using conductive adhesive
CN111653812B (en) Novel vanadium cell stack capable of being modularized
CN109524685B (en) Single fuel cell and fuel cell stack
CN218918957U (en) Stacked structure of flow battery
CN114628722A (en) Flow battery galvanic pile
CN113823806B (en) Integrated electrode frame structure for all-vanadium redox flow battery, preparation method and application
CN204732482U (en) A kind of flow battery and monocell framework, integrated monocell, pile
CN216250805U (en) Proton exchange membrane flexible frame membrane electrode and fuel cell thereof
CN212182462U (en) Bipolar plate for methanol fuel cell
CN210006827U (en) air-cooled fuel cell units
CN220873628U (en) Take seal structure's integration flow battery subassembly
CN220774428U (en) Flow battery pile wire surface integrated sealing structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant