CN103682408B - Flow frame component and flow battery - Google Patents
Flow frame component and flow battery Download PDFInfo
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- CN103682408B CN103682408B CN201310656248.9A CN201310656248A CN103682408B CN 103682408 B CN103682408 B CN 103682408B CN 201310656248 A CN201310656248 A CN 201310656248A CN 103682408 B CN103682408 B CN 103682408B
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- frame component
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- flow
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- 239000007788 liquid Substances 0.000 claims abstract description 106
- 239000003792 electrolyte Substances 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- 239000003014 ion exchange membrane Substances 0.000 claims abstract description 30
- 229920000297 Rayon Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 7
- 238000005342 ion exchange Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- -1 electrode Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention provides a kind of flow frame component and flow battery.Flow frame component has the first inlet, the first liquid outlet, runner and for accommodating the reaction perforate of electrode, first inlet or the first liquid outlet are connected with reaction perforate by runner, and runner is the inner flow passage between two sides of flow frame component opposite sides.Owing to runner is the inner flow passage between two sides of flow frame component opposite sides, thus electrolyte only flows in flow frame component, so that electrolyte is isolated with ion exchange membrane, avoid positive and negative electrode electrolyte to exchange with ion exchange membrane ion, and then ensure that positive and negative electrode electrolyte volume equalizes, ensure that the capacity of flow battery, improves the electric conductivity of flow battery.Meanwhile, the flow frame component in the present invention has the feature of simple in construction, low cost of manufacture.
Description
Technical field
The present invention relates to flow battery technology field, more particularly, to a kind of flow frame component and flow battery.
Background technology
Liquid stream battery stack of the prior art includes multiple flow battery stacking setting successively.
Flow battery of the prior art includes ion exchange membrane, electrode, liquid flow frame body and bipolar plates, and electrode is arranged on liquid stream
In the reaction perforate of frame assembly, and electrode and liquid flow frame body are between ion exchange membrane and bipolar plates, the stream of liquid flow frame body
Road is arranged towards ion exchange membrane side.
When flow battery works, electrolyte needs to be flowed in reaction perforate by runner, thus positive and negative electrode electrolyte is flowing through
It is fully contacted with ion exchange membrane during runner, carries out ion exchange, thus cause that positive and negative electrode electrolyte volume is unbalanced, cause
Liquid stream battery stack capacity declines, electric conductivity declines, by-pass current loss, and then causes liquid stream battery stack to run well.
Summary of the invention
It is desirable to provide a kind of flow frame component and flow battery, to solve, flow battery capacity in prior art is low, conduction
The problem of poor performance.
For solving above-mentioned technical problem, according to an aspect of the invention, it is provided a kind of flow frame component, there is the first feed liquor
Mouth, the first liquid outlet, runner and for accommodating the reaction perforate of electrode, the first inlet or the first liquid outlet by runner with anti-
Answering perforate to connect, runner is the inner flow passage between two sides of flow frame component opposite sides.
Further, runner is serpentine flow path.
Further, flow frame component includes: liquid flow frame body, and the first inlet, reaction perforate are positioned on liquid flow frame body,
And liquid flow frame body also has the first recess, the first recess and the first inlet and reaction perforate all connects；First deflector, the
One deflector is arranged at the first recess of liquid flow frame body, and the first deflector has first towards the side of liquid flow frame body and leads
Chute, forms runner between the first guiding gutter and the first recess, the first guiding gutter is connected with reaction perforate by the first recess.
Further, the first deflector also has the second inlet of through setting, the second inlet and the first of liquid flow frame body
Inlet is correspondingly arranged, the second inlet and the connection of the first guiding gutter.
Further, flow frame component also includes block, and block is multiple, and multiple blocks are spaced and are arranged on the first guiding gutter
The opening part connected with reaction perforate, forms electrolyte distribution groove between adjacent two blocks, the first guiding gutter passes through electrolyte
Distribution groove connects with reaction perforate.
Further, the length of the opening that the first guiding gutter connects with reaction perforate is equal to the width of reaction perforate.
Further, the first deflector is bonding with liquid flow frame body.
Further, the groove for accommodating viscose it is provided with at the circumferential edge of the first deflector.
Further, flow frame component includes: liquid flow frame body, and the first liquid outlet and reaction perforate are positioned on liquid flow frame body,
And liquid flow frame body also has the second recess, the second recess and the first liquid outlet and reaction perforate all connects；Second deflector, the
Two deflectors are arranged at the second recess of liquid flow frame body, and the second deflector has second towards the side of liquid flow frame body and leads
Chute, forms runner between the second guiding gutter and the second recess, the second guiding gutter is connected with reaction perforate by the second recess.
According to another aspect of the present invention, it is provided that a kind of flow battery, including electrode, ion exchange membrane and flow frame component,
Flow frame component is above-mentioned flow frame component, and electrode is arranged in the reaction perforate of flow frame component, and electrode and liquid flow frame group
Part is arranged with ion exchange membrane laminating.
Further, flow battery also includes gasket seal, and gasket seal is arranged between flow frame component and ion exchange membrane.
Flow frame component in the present invention has the first inlet, the first liquid outlet, runner and for accommodating the reaction perforate of electrode,
First inlet or the first liquid outlet are connected with reaction perforate by runner, and runner is be positioned at flow frame component opposite sides two
Inner flow passage between side.Owing to runner is the inner flow passage between two sides of flow frame component opposite sides, because of
And electrolyte only flows in flow frame component, so that electrolyte and ion exchange membrane are isolated, it is to avoid positive and negative electrode electrolyte with
Ion exchange membrane ion exchanges, and then ensure that the equilibrium of positive and negative electrode electrolyte volume, ensure that the capacity of flow battery, raising
The electric conductivity of flow battery.Meanwhile, the flow frame component in the present invention has the feature of simple in construction, low cost of manufacture.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the structural representation of the liquid flow frame body (positive pole) in the present invention；
Fig. 2 diagrammatically illustrates the structural representation of the liquid flow frame body (negative pole) in the present invention；
Fig. 3 diagrammatically illustrates the structural representation of the first deflector in the present invention；
Fig. 4 diagrammatically illustrates the view dorsad of Fig. 3；
Fig. 5 diagrammatically illustrates the partial enlarged drawing in Fig. 4 at P；
Fig. 6 diagrammatically illustrates the structural representation of the flow frame component in the present invention；
Fig. 7 diagrammatically illustrates the partial enlarged drawing in Fig. 6 at Q；
Fig. 8 diagrammatically illustrates the structural representation of the gasket seal in the present invention；And
Fig. 9 diagrammatically illustrates the structural representation of the flow battery in the present invention.
Reference in figure: 10, the first inlet；11, the first liquid outlet；12, reaction perforate；20, liquid flow frame body；21、
First recess；22, the second recess；23, code notches；30, the first deflector；31, the first guiding gutter；32, second enters
Liquid mouth；33, groove；40, block；41, electrolyte distribution groove；50, the second deflector；60, electrode；70, ion
Exchange membrane；80, gasket seal；81, the 3rd inlet；82, the 3rd liquid outlet；83, hole is dodged；90, bipolar plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the present invention can be defined by the claims and cover
Multitude of different ways implement.
As the first aspect of the invention, it is provided that a kind of flow frame component.As Fig. 1 is to shown in 7, and flow frame component has
First inlet the 10, first liquid outlet 11, runner and for accommodating the reaction perforate 12 of electrode 60, the first inlet 10 or the
One liquid outlet 11 is connected with reaction perforate 12 by runner, and runner is between two sides of flow frame component opposite sides
Inner flow passage.Owing to runner is the inner flow passage between two sides of flow frame component opposite sides, thus electrolyte is only
Flow in flow frame component, so that electrolyte is isolated with ion exchange membrane 70, it is to avoid positive and negative electrode electrolyte exchanges with ion
Film 70 ion exchanges, and then ensure that positive and negative electrode electrolyte volume equalizes, ensure that the capacity of flow battery, improves liquid stream
The electric conductivity of battery.Meanwhile, the flow frame component in the present invention has the feature of simple in construction, low cost of manufacture.
Runner in the present invention is serpentine flow path.Owing to runner is serpentine flow path, thus add electrolyte by main pipeline to reaction
Fluid pathways between perforate 12, thus reduce by-pass current, improve the current efficiency of flow battery system.
In embodiment as shown in Figures 1 to 7, flow frame component includes liquid flow frame body 20 and the first deflector 30, and first enters
Liquid mouth 10, reaction perforate 12 are positioned on liquid flow frame body 20, and liquid flow frame body 20 also has the first recess 21, and first is recessed
Portion 21 all connects with the first inlet 10 and reaction perforate 12；It is first recessed that first deflector 30 is arranged on liquid flow frame body 20
At portion 21, and the first deflector 30 has the first guiding gutter 31 towards the side of liquid flow frame body 20, the first guiding gutter 31 with
Forming runner between first recess 21, the first guiding gutter 31 is connected with reaction perforate 12 by the first recess 21.Due to first
Deflector 30 has the first guiding gutter 31, thus electrolyte enters in the first guiding gutter 31 from the first inlet 10 and gradually flows into
In reaction perforate 12, thus ensure that electrode 60 reacts with electrolyte contacts, it is ensured that the dependability of flow frame component.By
Arrange towards the side of liquid flow frame body 20 in the first guiding gutter 31, thus will not hand over ion when electrolyte flows in runner
Change film 70 to contact, thus avoid the ion exchange of positive and negative electrolyte, it is ensured that the equilibrium of positive and negative electrode electrolyte volume, guarantee
The capacity of flow battery, improve the electric conductivity of flow battery.
In embodiment as shown in Figure 4 and Figure 6, the first deflector 30 also has the second inlet 32 of through setting, and second enters
Liquid mouth 32 is correspondingly arranged with the first inlet 10 of liquid flow frame body 20, and the second inlet 32 connects with the first guiding gutter 31.
Owing to the first inlet 10 of the second inlet 32 with liquid flow frame body 20 is correspondingly arranged, thus electrolyte is by main pipeline successively
Flow in first inlet the 10, second inlet 32, so that electrolyte can be evenly distributed to the liquid of multiple flow battery
In stream frame assembly, to ensure that multiple flow battery can react simultaneously, it is ensured that the power supply reliability of liquid stream battery stack.
In embodiment as shown in Figure 3 and Figure 4, flow frame component also includes that block 40, block 40 are multiple, multiple blocks
40 are spaced and are arranged on the first guiding gutter 31 and the reaction opening part that connect of perforate 12, are formed electric between adjacent two blocks 40
Solving liquid distribution groove 41, the first guiding gutter 31 is connected with reaction perforate 12 by electrolyte distribution groove 41.Owing to being provided with gear
Block 40, thus add the electrolyte time by electrolyte distribution groove 41, namely add electrolyte at the first guiding gutter
Holdup time in 31, thus add bypass resistance, reduce by-pass current, so ensure that flow battery capability efficiency,
Current efficiency.Owing to the first guiding gutter 31 is connected with reaction perforate 12 by electrolyte distribution groove 41, thus make electrolyte
Flow locations and direction have controllability, it is to avoid electrolyte is excessively concentrated in certain, cause the electrode cannot be the most anti-with electrolyte
The problem answered, thus ensure that electric conductivity and the operation stability of flow battery.
In embodiment as shown in Figure 6, the length of the opening that the first guiding gutter 31 connects with reaction perforate 12 is equal to reaction perforate
The width of 12.Owing to the length of above-mentioned opening is equal to the width of reaction perforate 12, namely it is equal to the width of electrode 60, thus
The electrolyte flowing through electrolyte distribution groove 41 is evenly distributed on each several part of electrode 60, so that electrode 60 fills with electrolyte
Divide reaction, it is ensured that the electric conductivity of flow battery and capacity, improve the operation stability of flow battery.
The first deflector 30 in the present invention is bonding with liquid flow frame body 20.Due to the first deflector 30 and liquid flow frame body 20
Bonding, hereby it is ensured that the sealing of the first deflector 30 and liquid flow frame body 20, thus avoid the electrolyte to connect from the two
Overflow at gap, improve the dependability of flow frame component.
In embodiment as shown in figure 5 and figure 7, at the circumferential edge of the first deflector 30, it is provided with the groove for accommodating viscose
33.Owing to being provided with the groove 33 for accommodating viscose, thus facilitate staff by the first deflector 30 and liquid flow frame body
20 is bonding, it is to avoid viscose is attached on runner block the first guiding gutter 31, thus improves the first deflector 30 with liquid flow frame originally
The connection reliability of body 20, it is ensured that the dependability of flow frame component.Preferably, viscose is plastic binder or thermosetting
Resin.
Flow frame component in the present invention includes liquid flow frame body 20 and the second deflector 50, the first liquid outlet 11 and reaction perforate
12 are positioned on liquid flow frame body 20, and liquid flow frame body 20 also has the second recess 22, the second recess 22 and the first liquid outlet
11 all connect with reaction perforate 12；Second deflector 50 is arranged at the second recess 22 of liquid flow frame body 20, and second leads
Stream plate 50 has the second guiding gutter towards the side of liquid flow frame body 20, forms runner between the second guiding gutter and the second recess 22,
Second guiding gutter is connected with reaction perforate 12 by the second recess 22.In embodiment as shown in Figures 1 to 7, due to second
Deflector 50 has the second guiding gutter, thus electrolyte gradually flows into the second guiding gutter of the second deflector 50 from reaction perforate 12
In, and final outflow at the first liquid outlet 11, thus the electrolyte of guarantee and electrode 60 reaction can circulate, it is ensured that
The dependability of flow frame component.Owing to the second guiding gutter is arranged towards the side of liquid flow frame body 20, thus electrolyte is at stream
Will not contact with ion exchange membrane 70 during flowing in road, thus avoid the ion exchange of positive and negative electrolyte, it is ensured that be positive and negative
Pole electrolyte volume equalizes, ensure that the capacity of flow battery, improves the electric conductivity of flow battery.
The second deflector 50 in the present invention is also equipped with block 40, and block 40 is multiple, and multiple blocks 40 are spaced setting
At the opening part that the second guiding gutter connects with reaction perforate 12, between adjacent two blocks 40, form electrolyte distribution groove 41,
Second guiding gutter is connected with reaction perforate 12 by electrolyte distribution groove 41.Owing to being provided with block 40, thus add electricity
Solve the liquid time by electrolyte distribution groove 41, namely add the electrolyte holdup time in reaction perforate 12, from
And make electrode 60 fully react with electrolyte, and then further increase electric conductivity and the battery capacity of flow battery.Due to
Two guiding gutters are connected with reaction perforate 12 by electrolyte distribution groove 41, thus make the flow locations of electrolyte and direction have
Controllability, it is to avoid electrolyte is excessively concentrated in certain, causes the problem that electrode fully cannot react with electrolyte, thus ensures
The electric conductivity of flow battery and operation stability.
The insulant that flow frame component in the present invention is acidproof is made.Certainly, flow frame component can also is that plastic material
Or other insulating polymer materials make.Preferably, flow frame component is that the plastic material such as polrvinyl chloride or polypropylene is made.
In embodiment as depicted in figs. 1 and 2, the first deflector 30 and the second deflector 50 are arranged at liquid flow frame body 20
The same side, and be the side towards ion exchange membrane 70.
In embodiment as shown in Figure 1, liquid flow frame body 20 is positive pole flow frame component.In embodiment as shown in Figure 2, liquid
Stream frame body 20 is negative pole flow frame component.The two should be oppositely arranged.Staff is by observing liquid flow frame body 20
On code notches 23, the polarity of liquid flow frame body 20 can be made a distinction, thus facilitate staff's Fast Installation liquid stream electricity
Pond and avoid flow frame component is anti-loaded, to improve flow frame component efficiency of assembling and assembling quality.
As the second aspect of the invention, it is provided that a kind of flow battery.As shown in Figure 8 and Figure 9, flow battery includes electricity
Pole 60, ion exchange membrane 70 and flow frame component, flow frame component is above-mentioned flow frame component, and electrode 60 is arranged on liquid stream
In the reaction perforate 12 of frame assembly, and electrode 60 and flow frame component are arranged with ion exchange membrane 70 laminating.Owing to being provided with liquid
Stream frame assembly, thus flow in electrolyte is limited in flow frame component, positive and negative electrode electrolyte and ion exchange membrane 70 are separated,
Thus avoid positive and negative electrode electrolyte and ion exchange membrane 70 ion to exchange, and then ensure that the equilibrium of positive and negative electrode electrolyte volume,
The capacity, the electric conductivity that improve flow battery that ensure that flow battery, decrease by-pass current, improve flow battery
Coulombic efficiency.Preferably, ion exchange membrane 70 is conduction cation or anion and the macromolecular material of electronic isolation.Preferably,
Electrode 60 is carbon felt.
Flow battery in the present invention also includes that gasket seal 80, gasket seal 80 are arranged on flow frame component and ion exchange membrane
Between 70.Owing to being provided with gasket seal 80 between flow frame component and ion exchange membrane 70, thus avoid further just,
Electrolyte liquid exchanges with ion exchange membrane 70 ion, thus ensure that the equilibrium of positive and negative electrode electrolyte volume, ensure that liquid stream electricity
The capacity in pond, improve the electric conductivity of flow battery.Meanwhile, improve the sealing property of flow battery, it is to avoid electrolyte oozes
Leakage, improves the dependability of flow battery, eliminates potential safety hazard.Owing to gasket seal 80 is in the first of flow frame component
With ion exchange membrane 70 pressing under the extruding of deflector 30, thus further increase the sealing effectiveness of gasket seal 80, thus
Ensure that the operation stability of flow battery.Preferably, gasket seal 80 is the elastic polymer materials such as rubber.
In embodiment as shown in Figure 8, gasket seal 80 has the 3rd inlet the 81, the 3rd liquid outlet 82 and for dodging electricity
Pole 60 dodge hole 83, the 3rd inlet 81 connects with the first inlet 10 of the liquid flow frame body 20 of flow frame component；The
Three liquid outlets 82 connect with the first liquid outlet 11 of the liquid flow frame body 20 of flow frame component；Electrode 60 is positioned at dodges hole 83.
Due to the 3rd inlet 81 of gasket seal 80 and the 3rd liquid outlet 82 respectively with the first inlet 10 of liquid flow frame body 20 and
The first corresponding connection of liquid outlet 11, hereby it is ensured that the flowing reliability of electrolyte and cyclical stability, thus ensure that liquid stream electricity
The operation stability in pond and dependability.Hole 83 is dodged due to what electrode 60 was positioned at gasket seal 80, thus gasket seal
80 reactions not interfering with electrode 60, thus ensure that the dependability of flow battery.
In embodiment as shown in Figure 9, flow battery also includes that bipolar plates 90, bipolar plates 90 are arranged on flow frame component and do not set
Put the first deflector 30 or side of the second deflector 50.Preferably, be additionally provided with between bipolar plates 90 and flow frame component close
Gasket 80, thus improve the sealing property of the two, it is ensured that the operational reliability of flow battery.Preferably, bipolar plates 90
Conducing composite material for graphite cake or macromolecule with graphite.
In embodiment as shown in Figure 9, gasket seal 80, liquid flow frame body 20, bipolar plates 90 are provided with code notches
23.Staff, when carrying out the assembling of flow battery, by checking this code notches 23, can quickly determine between each parts
Closure, it is to avoid parts are anti-loaded, thus improve packaging efficiency and the end product quality of flow battery.
As the third aspect of the invention, it is provided that a kind of liquid stream battery stack.Liquid stream battery stack includes multiple stacking setting successively
Flow battery, this flow battery is above-mentioned flow battery.Owing to the flow battery in the present invention has conducting electricity very well, holds
Measure stable, reliable, current efficiency and capability efficiency high, so that the liquid stream battery stack in the present invention has equally
There is above-mentioned advantage.
Flow frame component and flow battery in the present invention have the following characteristics that
(1) it is serpentine flow path due to the runner of flow frame component, thus adds electrolyte by main pipeline to reaction perforate 12
Fluid pathways between reaction zone, reduces by-pass current, improves the current efficiency of flow battery system；
(2) owing to being provided with the first deflector 30 or the second deflector 50, thus electrolyte flows in tortuous runner, no
Contact with ion exchange membrane 70, thus inhibit the vanadium ion infiltration in the film of non-reaction zone of positive and negative electrode electrolyte existing with water diffusion
As, thus improve capacity stability and the functional reliability of electrolyte；
(3) flow battery in the present invention simplifies battery pile structure, improves efficiency of assembling.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a flow frame component, has the first inlet (10), the first liquid outlet (11), runner and is used for accommodating electrode (60)
Reaction perforate (12), described first inlet (10) or described first liquid outlet (11) by described runner with described
Reaction perforate (12) connection, it is characterised in that described flow frame component is positioned at the side of ion exchange membrane (70), described
Runner is the inner flow passage between two sides of described flow frame component opposite sides so that electrolyte and described ion
Exchange membrane (70) is isolated, and wherein, described flow frame component includes:
Liquid flow frame body (20), described first inlet (10), described reaction perforate (12) are positioned at described liquid flow frame body
(20) on, and described liquid flow frame body (20) also has the first recess (21), and described first recess (21) is with described
First inlet (10) all connects with described reaction perforate (12)；
First deflector (30), described first deflector (30) is arranged on described the first of described liquid flow frame body (20)
Recess (21) place, and described first deflector (30) has the first water conservancy diversion towards the side of described liquid flow frame body (20)
Groove (31), forms described runner between described first guiding gutter (31) and described first recess (21), described first leads
Chute (31) is connected with described reaction perforate (12) by described first recess (21).
Flow frame component the most according to claim 1, it is characterised in that described runner is serpentine flow path.
Flow frame component the most according to claim 1, it is characterised in that described first deflector (30) also has through setting
The second inlet (32), described first inlet of described second inlet (32) and described liquid flow frame body (20)
(10) being correspondingly arranged, described second inlet (32) connects with described first guiding gutter (31).
Flow frame component the most according to claim 1, it is characterised in that described flow frame component also includes block (40), institute
It is multiple for stating block (40), and multiple described blocks (40) are spaced and are arranged on described first guiding gutter (31) with described
The opening part that reaction perforate (12) connects, forms electrolyte distribution groove (41) between adjacent two described blocks (40),
Described first guiding gutter (31) is connected with described reaction perforate (12) by described electrolyte distribution groove (41).
5. according to the flow frame component described in claim 1 or 3 or 4, it is characterised in that described first guiding gutter (31) is with described
The length of the opening that reaction perforate (12) connects is equal to the width of described reaction perforate (12).
Flow frame component the most according to claim 1, it is characterised in that described first deflector (30) is with described liquid flow frame originally
Body (20) is bonding.
Flow frame component the most according to claim 6, it is characterised in that set at the circumferential edge of described first deflector (30)
It is equipped with the groove (33) for accommodating viscose.
Flow frame component the most according to claim 1, it is characterised in that described flow frame component includes:
Liquid flow frame body (20), described first liquid outlet (11) and described reaction perforate (12) are positioned at described liquid flow frame originally
On body (20), and described liquid flow frame body (20) also has the second recess (22), described second recess (22) and institute
State the first liquid outlet (11) all to connect with described reaction perforate (12)；
Second deflector (50), described second deflector (50) is arranged on described the second of described liquid flow frame body (20)
Recess (22) place, and described second deflector (50) has the second water conservancy diversion towards the side of described liquid flow frame body (20)
Groove, forms described runner between described second guiding gutter and described second recess (22), described second guiding gutter is by described
Second recess (22) connects with described reaction perforate (12).
9. a flow battery, including electrode (60), ion exchange membrane (70) and flow frame component, it is characterised in that liquid flow frame
Assembly is the flow frame component according to any one of claim 1 to 8, and described electrode (60) is arranged on described liquid flow frame group
In the reaction perforate (12) of part, and described electrode (60) and described flow frame component are pasted with described ion exchange membrane (70)
Close and arrange.
Flow battery the most according to claim 9, it is characterised in that described flow battery also includes gasket seal (80), institute
State gasket seal (80) to be arranged between described flow frame component and described ion exchange membrane (70).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656248.9A CN103682408B (en) | 2013-12-06 | 2013-12-06 | Flow frame component and flow battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN104241671B (en) * | 2014-10-20 | 2016-10-05 | 中国东方电气集团有限公司 | Flow frame component and there is its flow battery |
| EP3859849A1 (en) | 2015-11-18 | 2021-08-04 | Invinity Energy Systems (Canada) Corporation | Flow battery and method of making the flow battery |
| CN106374129B (en) * | 2016-11-09 | 2023-11-28 | 大连融科储能技术发展有限公司 | Flow battery pile sealing structure |
| CN109103478A (en) * | 2018-09-21 | 2018-12-28 | 马东亮 | A kind of redox flow batteries integration end deckle board |
| CN112928320B (en) * | 2019-12-06 | 2022-03-15 | 中国科学院大连化学物理研究所 | Flow battery |
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| CN102969517A (en) * | 2012-12-10 | 2013-03-13 | 贵州省岑巩县银峰矿业有限公司 | Liquid flow frame device for flow battery and electric pile formed by liquid flow frame device |
| CN103390759A (en) * | 2013-08-13 | 2013-11-13 | 湖南省银峰新能源有限公司 | Liquid flow frame structure for flow cell and electric pile formed by flow cell |
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| CN101814618A (en) * | 2009-02-23 | 2010-08-25 | 北京金能燃料电池有限公司 | Flow battery |
| CN102969517A (en) * | 2012-12-10 | 2013-03-13 | 贵州省岑巩县银峰矿业有限公司 | Liquid flow frame device for flow battery and electric pile formed by liquid flow frame device |
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