CN106784918A - A kind of flow battery liquid flow frame and its monocell - Google Patents
A kind of flow battery liquid flow frame and its monocell Download PDFInfo
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- CN106784918A CN106784918A CN201710008044.2A CN201710008044A CN106784918A CN 106784918 A CN106784918 A CN 106784918A CN 201710008044 A CN201710008044 A CN 201710008044A CN 106784918 A CN106784918 A CN 106784918A
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- 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
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- 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
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
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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 invention discloses a kind of flow battery liquid flow frame and its monocell, the liquid flow frame includes positive pole liquid flow frame and negative pole liquid flow frame, and the front corner of positive pole liquid flow frame is respectively disposed with the shared runner of negative pole that the shared runner of the positive pole being centrosymmetric at two and Liang Chu are centrosymmetric；Left and right has been centrosymmetrically arranged barrier film slot cover respectively for the reverse side of positive pole liquid flow frame and the front of negative pole liquid flow frame, and the first tumble port, two grades of restricted flow passages and the equal circulation road of splayed, stream gear platform and equal chute have been sequentially arranged in barrier film slot cover.Flow battery liquid flow frame of the invention have the advantages that pile install success rate it is high, without interior leakage, effective protective separation film, unit voltage, easy for installation, long lifespan can be gathered, be easy to safeguard, large-scale batch production and the application of flow battery can be greatly promoted.
Description
Technical field
The invention belongs to flow battery technology field, more particularly to a kind of flow battery liquid flow frame and its monocell.
Background technology
" 13 " planning of country is proposed：Propulsion energy revolution, strengthens energy storage construction.Liquid phase fluid energy-storage battery, letter
Claim flow battery, be a kind of energy storage devices of high efficient and reliable, can be put by electrical power storage in electrolyte solution during charging
The energy of storage can be discharged when electric.Used as one of New Generation of Intelligent power network core technology, the application of flow battery can
To realize the continuous and stabilization that wind-powered electricity generation, photovoltaic electric power are exported, it is also possible to the power supply of the traditional power network of balance and load running, have
Effect ground improves the quality of electric energy and increases operation rate.Compared with other energy storing technologies, the energy density of flow battery and
Transformation efficiency is high, and its discharge and recharge reaction is fast.
Battery pile as the core component in redox flow battery energy storage system, the charge-discharge performance of direct decision systems, and
The stability of system operation, reliability, service life and operating cost etc..Battery pile is mainly the monocell by two pairs and the above
Composition, each pair monocell is made up of positive and negative electrode, electrolyte barrier film, conductive bipolar plate and both positive and negative polarity liquid flow frame.Meanwhile, liquid stream
Frame as the core part of monocell, accepts support electrode and conductive bipolar plate, and realize the sealing of electrolyte, flow again
Deng effect.
Existing flow battery first, is temporarily more than 70 DEG C of liquid flow frames with liquid flow frame patented technology without Long-term service temperature；Its
It is secondary, there is interior leakage phenomenon between the liquid flow frame of electrode both sides, cause partial electrolyte liquid without electrode, also referred to as leaked in electrode, together
When electrolyte to flow effect poor, directly affect pile properties, even result in hot-spot and burn out barrier film, conductive plastic plate
And electrode, and then pile is damaged, macroscopically influence the overall performance and operation cost of system；Again, liquid flow frame and liquid flow frame it
Between directly contact, there is over-pressed phenomenon to the barrier film that is clipped between liquid flow frame, coup injury or fatigue are easily caused to it
Damage；In addition, liquid flow frame is not provided with the external tap of conductive bipolar plate, it is impossible to gather the voltage of each monocell of pile.
The content of the invention
To solve above mentioned problem of the prior art, the present invention proposes a kind of flow battery liquid flow frame and its monocell.
One side of the invention there is provided a kind of flow battery liquid flow frame, and liquid flow frame material is poly- using CPVC chlorinations
Vinyl chloride, PP add glass, CPVC plus PVC polyvinyl chloride batch mixings, can be used for Long-term service temperature under the conditions of -20 DEG C~80 DEG C,
Above batch mixing ratio is unrestricted.Monocell uses negative pole liquid flow frame and positive pole liquid flow frame combining structure, and equal circulation road uses " eight "
Character form structure, with performance it is high, current sharing is good, without interior leakage, protective separation film not damaged, can to gather unit voltage etc. excellent
Point, while processing or injection are simple, is easily installed, and shock resistance is strong.
Second aspect of the present invention there is provided a kind of monocell using the flow battery liquid flow frame, liquid flow frame and
The equal adoption rate of barrier film cover plate unrestricted CPVC, PP add glass or CPVC plus PVC batch mixing materials, can long-term work in-
Under 20 DEG C~80 DEG C of temperature conditionss；Equal circulation road uses splayed structure, inside sets runner mouthful and gear platform, and chute,
Stream uniformity is more than 99%；Using barrier film cover plate, in the equal circulation road feature internal body on liquid flow frame, will play protection every
From film effect；By the barrier film mounting groove for setting, effectively protect barrier film injury-free；It is provided with conductive bipolar plate tap
Groove, the external world can gather each single battery voltage；The seal groove for preventing interior leakage between liquid flow frame is provided with, prevents electrolyte only electric
Pole；Location hole is provided with, dislocation between liquid flow frame is effectively reduced, reduces shearing force, improve Performance data.
To achieve the above object, the present invention uses following technical scheme：
The first aspect of the invention is to provide a kind of flow battery liquid flow frame, including positive pole liquid flow frame and negative electrode solution stream
Frame, the front corner of the positive pole liquid flow frame is respectively disposed with the positive pole being centrosymmetric at two shared runner and Liang Chucheng centers
The shared runner of symmetrical negative pole；The front difference left and right Central Symmetry of the reverse side of the positive pole liquid flow frame and the negative pole liquid flow frame
Barrier film slot cover is disposed with, the first tumble port, two grades of restricted flow passages and eight words have been sequentially arranged in the barrier film slot cover
The equal circulation road of shape, stream gear platform and equal chute；The shared runner of the positive pole and the shared runner of the negative pole are respectively by described the
One tumble port, two grades of restricted flow passages, the equal circulation roads of splayed connect slot electrode with equal chute.
Further, the positive pole liquid flow frame and negative pole liquid flow frame corner axial symmetry are disposed with location hole.
Further, the barrier film slot cover and slot electrode surrounding are disposed with barrier film seal groove and interior bakie, described
Interior bakie is axisymmetricly arranged on the barrier film seal groove to prevent from producing interior leakage, described interior bakie cloth between liquid flow frame
20~200mm of spacing is put, quantity is unrestricted.
Further, conductive bipolar board slot and bipolar plates tap groove, institute are disposed with the liquid flow frame on the slot electrode periphery
Bipolar plates tap groove is stated to be connected with the conductive bipolar board slot.
Further, the shared runner of the positive pole and the shared runner of the negative pole are shared by the electrolyte being sequentially communicated respectively
Passage, snakelike restricted flow passage and the second tumble port composition；And around the electrolyte sharing channel, snakelike restricted flow passage and
Two tumble port surroundings are disposed with restricted flow passage seal groove.
Further, the second tumble port in the shared runner of the positive pole overturns with the first of the positive pole liquid flow frame reverse side
Punch and communicate in hole；The second tumble port in the shared runner of the negative pole is not punched on the positive pole liquid flow frame, its with described
The first tumble port punched on negative pole liquid flow frame positive and negative is engaged arrangement；So that the shared runner of the positive pole of the slot electrode side
And/or the shared runner of negative pole is respectively by the first tumble port, the second tumble port, two grades of restricted flow passages, the equal circulation road of splayed,
Chute is connected with the electrode on the slot electrode, then again through the equal chute of the slot electrode opposite side, the equal circulation road of splayed,
Two grades of shared runners of restricted flow passage, the second tumble port, the first tumble port and corresponding positive pole and/or negative pole share the phase of runner
It is logical, formed the return flow line of anode electrolyte and/or electrolyte liquid.
Further, the barrier film slot cover is provided with positioning boss.
The second aspect of the invention is to provide a kind of monocell using the flow battery liquid flow frame, and it includes cloth
The barrier film cover plate being placed between the positive pole liquid flow frame and/or the negative pole liquid flow frame and barrier film.
Further, the positive pole liquid flow frame, negative pole liquid flow frame and the barrier film cover plate use CPVC, PP to be mixed with glass
The material of material or CPVC and PVC batch mixings.
Further, axial symmetry is disposed with the spacing oval draw-in groove of width, length direction on the barrier film cover plate
Spacing oval draw-in groove and the circular draw-in groove of auxiliary.
Further, including positive pole liquid flow frame 1, negative pole liquid flow frame 2, between the positive pole liquid flow frame 1 and negative pole liquid flow frame 2
Medium position is disposed with conductive bipolar plate sealing ring 7 and conductive bipolar plate 8, between the positive pole liquid flow frame 1 and negative pole liquid flow frame 2
Left and right sides location arrangements current limiting passage sealing ring 6, the reverse side of positive pole liquid flow frame 1 and the front of negative pole liquid flow frame 2 point
Electrode 5, barrier film seal circle 4, barrier film cover plate 3, electrolyte sharing channel sealing ring 9 and barrier film 10 are not disposed with.
The third aspect of the invention is to provide a kind of assemble method of the monocell of the flow battery liquid flow frame, bag
Include following steps：
(1) restricted flow passage sealing ring 6 is placed on the front of positive pole liquid flow frame 1, barrier film seal circle 4 and barrier film cover plate
3 are placed on the reverse side of positive pole liquid flow frame 1, constitute positive pole flow frame component；
(2) sharing channel sealing ring 9, barrier film seal circle 4 and barrier film cover plate 3 are placed on the front of negative pole liquid flow frame 2
On, constitute negative pole flow frame component；
(3) conductive bipolar plate sealing ring 7 is placed in conductive bipolar plate 8, constitutes conductive bipolar board component；
(4) install successively positive pole flow frame component, electrode 5, conductive bipolar board component, negative pole flow frame component, electrode 5,
Barrier film 10, i.e., a pair of single battery groups install complete, repetition above step, carry out down a pair of single battery groups dresses.
The present invention uses above-mentioned technical proposal, compared with prior art, have the following technical effect that：
Liquid flow frame in flow battery core component battery pile of the invention, with performance is good, pile is installed successfully
Rate is high, without interior leakage, effective protective separation film, each single battery voltage, easy for installation, long lifespan can be gathered, be easy to safeguard etc.
Advantage, can be greatly promoted large-scale batch production and the application of flow battery；Using the monocell of liquid flow frame of the present invention,
Stream uniformity is more than 99%, and is operable with the conditions of 70 DEG C of temperatures above；Will be equal on liquid flow frame by barrier film cover plate
In circulation road feature internal body, effectively protect barrier film injury-free；Conductive bipolar plate tap groove is provided with, the external world can adopt
Collect each single battery voltage；The seal groove for preventing interior leakage between liquid flow frame is provided with, electrolyte only electrode is prevented；It is provided with location hole,
Dislocation between liquid flow frame is effectively reduced, reduces shearing force, improve Performance data.
Brief description of the drawings
Fig. 1 is the structural representation using the monocell of liquid flow frame of the present invention；
Fig. 2 is the positive structure schematic of positive pole liquid flow frame in flow battery liquid flow frame of the present invention；
Fig. 3 is the reverse structure schematic of positive pole liquid flow frame in flow battery liquid flow frame of the present invention；
Fig. 4 is the structural representation of negative pole liquid flow frame in flow battery liquid flow frame of the present invention；
Fig. 5 is barrier film covering plate structure schematic diagram in the monocell for use liquid flow frame of the present invention；
Fig. 6 is the cross-sectional view of tumble port in two pairs of monocells for use liquid flow frame of the present invention；
Wherein：Positive pole liquid flow frame 1, negative pole liquid flow frame 2, barrier film cover plate 3, barrier film seal circle 4, electrode 5, restricted flow passage
Sealing ring 6, conductive bipolar plate sealing ring 7, conductive bipolar plate 8, sharing channel sealing ring 9, barrier film 10, anode electrolyte import
Sharing channel 101, electrolyte liquid outlet sharing channel 102, anode electrolyte outlet sharing channel 103, electrolyte liquid enter
Mouth sharing channel 104, restricted flow passage 105, restricted flow passage seal groove 106, the first (two) tumble port 107, slot electrode 108, conduction
Bipolar board slot 109, bipolar plates tap groove 110, location hole 111, the second tumble port 112, barrier film slot cover 113, positioning boss
114th, two grades of equal circulation roads 116 of restricted flow passage 115, splayed, stream gear platform 117, equal chute 118, barrier film seal groove 119,
Interior bakie 120, outlet sharing channel 202, the anode electrolyte outlet of anode electrolyte import sharing channel 201, electrolyte liquid
Sharing channel 203, electrolyte liquid import sharing channel 204, sharing channel sealing ring 205, barrier film groove 206, isolation membrane cover
Board slot 207,208, two grades of equal circulation roads 210 of restricted flow passage 209, splayed of the first tumble port, stream gear platform 211, equal chute
212nd, barrier film seal groove 213, interior bakie 214, location hole 215, positioning boss 216, slot electrode 217, width are spacing ellipse
Circular draw-in groove 301, the auxiliary spacing oval draw-in groove 303 of circular draw-in groove 302, length direction.
Specific embodiment
In existing patented technology, 70 DEG C of liquid flow frame can be temporarily more than without operating temperature, and solve leakage and liquid in electrode
Problem of leakage between stream frame；Secondly, there is no barrier film protector, be easily damaged or damage barrier film；Again, liquid flow frame does not set
Put the external tap of conductive bipolar plate, it is impossible to gather the voltage of each monocell of pile.In addition, the liquid flow frame in existing patent, flows
Property there is no of the invention good, the present invention circulation road use "eight" shape structure, and be provided with stream gear platform, and chute,
Stream uniformity is more than 99%；Liquid flow frame of the invention, is provided with dowel hole, is easily installed, and reduces dislocation between liquid flow frame, prevents
Shearing force, effective protective separation film and conductive bipolar plate caused by seal dislocation.The further improved liquid flow frame of the present invention,
Settable positioning boss and location hole, can mutually block between negative pole liquid flow frame and positive pole liquid flow frame, be automatically positioned.
The present invention is described in more detail below by specific embodiment, for a better understanding of the present invention,
But following embodiments are not intended to limit the scope of the invention.
It is the structural representation of a pair of monocells using flow battery liquid flow frame of the present invention shown in Fig. 1, it includes cloth
The barrier film cover plate 3 being placed between positive pole liquid flow frame 1 and/or negative pole liquid flow frame 2 and barrier film 10.By using barrier film cover plate
3, the effect of protective separation film in the equal circulation road feature internal body on liquid flow frame, can will be played, barrier film mounting groove is provided with, have
Effect protective separation film is injury-free.
Used as a preferred technical scheme, positive pole liquid flow frame of the invention, negative pole liquid flow frame and barrier film cover plate are used
The material of CPVC (chliorinated polyvinyl chloride), PP and glass batch mixing or CPVC and PVC (polyvinyl chloride) batch mixing, above material it is long-term
Operating temperature is -20 DEG C~80 DEG C, improves the use scope of monocell.
On the basis of above-mentioned technical proposal, as shown in figure 5, being the structural representation of barrier film cover plate 3, the barrier film cover plate
3 is in rectangular configuration, above axial symmetry arrangement the spacing oval draw-in groove 301 of width, the spacing oval draw-in groove of length direction
303, and the circular draw-in groove 302 of auxiliary.By these draw-in grooves, can be secured firmly on liquid flow frame, pocket numbers according to every
Depending on membrane cover plate size.
As shown in figure 1, as one of the invention preferred preferred embodiment, using a pair single electricity of liquid flow frame of the present invention
Pond, including positive pole liquid flow frame 1, negative pole liquid flow frame 2, medium position is disposed with conduction between positive pole liquid flow frame 1 and negative pole liquid flow frame 2
Bipolar plates sealing ring 7 and conductive bipolar plate 8, location arrangements current limiting in the left and right sides between positive pole liquid flow frame 1 and negative pole liquid flow frame 2
Passage sealing ring 6, the reverse side of positive pole liquid flow frame 1 and the front of negative pole liquid flow frame 2 be respectively disposed with electrode 5, barrier film seal circle 4, every
From membrane cover plate 3, electrolyte sharing channel sealing ring 9 and barrier film 10.Wherein, positive pole liquid flow frame 1, negative pole liquid flow frame 2 and isolation
The preferred material of membrane cover plate 3 is CPVC, and PP adds glass batch mixing or CPVC plus PVC batch mixings, goes for strong acid environment, work temperature
In -20 DEG C~80 DEG C environment of degree.Barrier film seal circle 4, conductive bipolar plate sealing ring 7 and electrolyte sharing channel sealing ring 9 are excellent
Material selection is EPDM or fluorubber.
On the basis of above-mentioned technical proposal, the assemble method of the monocell of flow battery liquid flow frame of the present invention, including
Following steps：
(1) restricted flow passage sealing ring 6 is placed on the front of positive pole liquid flow frame 1, barrier film seal circle 4 and barrier film cover plate
3 are placed on the reverse side of positive pole liquid flow frame 1, constitute positive pole flow frame component；
(2) sharing channel sealing ring 9, barrier film seal circle 4 and barrier film cover plate 3 are placed on the front of negative pole liquid flow frame 2
On, constitute negative pole flow frame component；
(3) conductive bipolar plate sealing ring 7 is placed in conductive bipolar plate 8, constitutes conductive bipolar board component；
(4) install successively positive pole flow frame component, electrode 5, conductive bipolar board component, negative pole flow frame component, electrode 5,
Barrier film 10, i.e., a pair of single battery groups install complete, repetition above step, carry out down a pair of single battery groups dresses.
There is preferred embodiment as of the invention, the flow battery liquid flow frame, including positive pole liquid flow frame 1 and negative electrode solution stream
Frame 2, the front corner of positive pole liquid flow frame 1 is centrosymmetrically arranged the positive pole being centrosymmetric at oval sharing channel, i.e., two everywhere
The shared runner of negative pole that shared runner and Liang Chu are centrosymmetric.
On the one hand, shown in Fig. 2 and Fig. 3, the positive and negative structural representation of positive pole liquid flow frame 1 respectively of the present invention.Positive pole liquid stream
Reverse side of frame 1 or so has been centrosymmetrically arranged barrier film slot cover 113, and being sequentially arranged first in barrier film slot cover 113 turns over
107, two grades of restricted flow passages 115 of turn hole and the equal circulation road 116 of splayed, stream gear platform 117 and equal chute 118；The shared stream of positive pole
Road connects slot electrode by 107, two grades of equal circulation roads 116 of restricted flow passage 115, splayed of the first tumble port with equal chute 118
108.Location hole 111 is respectively disposed with 1 four jiaos of axial symmetry of positive pole liquid flow frame, positive pole liquid flow frame and negative electrode solution stream can be effectively reduced
Misplaced between frame, reduce shearing force, improve Performance data.
On the basis of above-mentioned technical proposal, the center arrangement of positive pole liquid flow frame 1 has rectangular electrode groove 108, barrier film cover plate
Groove 113 and the surrounding of slot electrode 108 are disposed with barrier film seal groove 119 and interior bakie 120, and interior bakie is axisymmetricly arranged in isolation
Preventing leakage in producing between liquid flow frame on film seal groove.
On the basis of above-mentioned technical proposal, as shown in figure 1, being disposed with the liquid flow frame 1 on the periphery of slot electrode 108 conductive double
Pole plate groove 109 and bipolar plates tap groove 110, bipolar plates tap groove 110 are connected with conductive bipolar board slot 109 so that the external world can
Gather each single battery voltage.
On the basis of above-mentioned technical proposal, the positive structure schematic of positive pole frame is illustrated in figure 2, positive pole shares runner
The setting that is centrosymmetric is respectively at two with the shared runner of negative pole positive pole；Wherein, the shared runner of positive pole and the shared runner point of negative pole
It is not made up of the electrolyte sharing channel, snakelike restricted flow passage and the second tumble port that are sequentially communicated, specifically, positive pole shares runner
It is defined as anode electrolyte import sharing channel 101, anode electrolyte outlet sharing channel 103 successively respectively；Negative pole positive pole is total to
Enjoy runner and be defined as electrolyte liquid import sharing channel 104, electrolyte liquid outlet sharing channel 102 successively respectively.Together
The snakelike restricted flow passage 105 that passage 101 is connected is enjoyed, the second tumble port 107 being connected with restricted flow passage 105, positive pole liquid flow frame 1
Obverse and reverse use same tumble port, for ease of describing to be referred to as the second tumble port 107 and the first tumble port
107；Around sharing channel 101 and restricted flow passage 105, and the restricted flow passage seal groove arranged with the surrounding of the second tumble port 107
106。
On the basis of above-mentioned technical proposal, the second tumble port 107 and the reverse side of positive pole liquid flow frame 1 in the shared runner of positive pole
The first tumble port 107 punch and communicate；So that the shared runner of the positive pole of the side of slot electrode 108 passes sequentially through positive first upset
Second tumble port 107, two grades of equal circulation roads 116 of restricted flow passage 115, splayed, equal chute 118 and slot electrodes in hole 107, reverse side
Electrode 5 on 108 is connected, then again through 116, two grades of limits of the equal circulation road of equal chute 118, splayed of the opposite side of slot electrode 108
Circulation road 115, the second tumble port 107, the first tumble port 107 are communicated with the shared runner of corresponding positive pole, form anolyte
The return flow line of liquid flow direction.
On the basis of above-mentioned technical proposal, positioning boss 114 is provided with barrier film slot cover 113, by convex
Be fixed on the buckle of barrier film cover plate 3 on barrier film slot cover 113 by platform 114.
On the other hand, as shown in Figure 2 and Figure 4, the positive structure schematic of positive pole liquid flow frame 1 respectively of the present invention and negative pole
The positive structure schematic of liquid flow frame 2.As the reverse side of positive pole liquid flow frame 1, the front of negative pole liquid flow frame 2 also left and right Central Symmetry cloth
It is equipped with barrier film slot cover 207, barrier film slot cover 207 and has been sequentially arranged 208, two grades of restricted flow passages 209 of the first tumble port
With the equal circulation road 210 of splayed, stream gear platform 211 and equal chute 212；The shared runner of negative pole passes through 208, two grades of the first tumble port
The equal circulation road 210 of restricted flow passage 209, splayed connects slot electrode 217 with equal chute 212.
On the basis of above-mentioned technical proposal, the center arrangement of negative pole liquid flow frame 2 has rectangular electrode groove 217, barrier film cover plate
Groove 207 and the surrounding of slot electrode 217 are disposed with barrier film seal groove 213 and interior bakie 214, and interior bakie 214 is axisymmetricly arranged in
Preventing leakage in producing between liquid flow frame on barrier film seal groove 213.
It is the positive structure schematic of negative pole liquid flow frame 2 of the present invention shown in Fig. 4, the shared runner of negative pole is Liang Chucheng centers
It is symmetrical arranged, is specifically defined as successively respectively, anode electrolyte import sharing channel 201, electrolyte liquid outlet sharing channel
202, anode electrolyte outlet sharing channel 203, electrolyte liquid import sharing channel 204, and the sharing channel for arranging is close
Seal 205, i.e., above-mentioned sharing channel sealing ring 9；Liquid flow frame center arrangement rectangular electrode groove 217, and barrier film groove 206；It is negative
2 four jiaos of axial symmetry arrangement location holes 215 of pole liquid flow frame.Reverse side of negative pole liquid flow frame 2 or so is centrosymmetrically arranged barrier film slot cover
207；Installation barrier film cover plate positioning boss 216,208, two grades of current limlitings of the first tumble port are sequentially arranged on barrier film slot cover 207
Passage 209 and the equal circulation road 210 of splayed；Stream gear platform 211 is arranged on equal circulation road 210, is arranged by equal circulation road 210
Chute 212；Barrier film slot cover 207 and the surrounding of slot electrode 217 arrangement barrier film seal groove 213, and axial symmetry arrangement are prevented
Interior bakie 214 between liquid flow frame.The reverse side of negative pole liquid flow frame 2 is in tabular, and positive pole liquid flow frame 1 is directly fitted in when in use
Front.
On the basis of above-mentioned technical proposal, on the front of positive pole liquid flow frame 1 in the extremely snakelike shared runner of negative pole second
Tumble port 112 is not punched on positive pole liquid flow frame 1, itself and the phase of the first tumble port 208 punched on the positive and negative of negative pole liquid flow frame 2
Coordinate arrangement；So that the shared runner of the negative pole of the side of 1 Top electrode groove of positive pole liquid flow frame 108 passes sequentially through the front of positive pole liquid flow frame 1
The second tumble port 112,208, two grades of equal circulation roads 210 of restricted flow passage 209, splayed of the first tumble port on negative pole liquid flow frame 2,
Equal chute 212 is connected with the electrode 5 on slot electrode 217, and then the equal chute 212, splayed again through the opposite side of slot electrode 217 is equal
210, two grades of restricted flow passages 209 of circulation road, the first tumble port 208, the first tumble port 112 and the shared runner phase of corresponding negative pole
It is logical, formed the return flow line of electrolyte liquid flow direction.
On the basis of above-mentioned technical proposal, as shown in figure 4, positioning boss 216 is provided with barrier film slot cover 207,
The buckle of barrier film cover plate 3 is fixed on barrier film slot cover 207 by positioning boss 216.
Location hole 215 is respectively disposed with 2 four jiaos of axial symmetry of negative pole liquid flow frame, positive pole liquid flow frame and negative pole can be effectively reduced
Misplaced between liquid flow frame, reduce shearing force, improve Performance data.
It is cross-sectional view at two pairs of monocell tumble ports of the invention shown in Fig. 6.Electrolyte liquid is flowed to：Pass through
Electrolyte liquid outlet sharing channel 102 flows on positive pole liquid flow frame 1 left side restricted flow passage 105, then by positive pole liquid flow frame
The first tumble port 208 that upper 1 the second tumble port 112 is entered on adjacent cathode liquid flow frame 2, then into negative pole liquid flow frame
Two grades of restricted flow passages 209 on 2, then the equal circulation road 210 of splayed flowed on negative pole liquid flow frame 2, finally by negative electrode solution stream
Equal chute 212 on frame 2 enters electrode；Anode electrolyte is flowed to：Positive pole is flowed into by anode electrolyte import sharing channel 101
1 right side restricted flow passage 105 on liquid flow frame, then entered into by first, second tumble port 107 communicated on positive pole liquid flow frame 1
Two grades of restricted flow passages 115 on the reverse side of positive pole pole liquid flow frame 1, then flow into the equal circulation road of splayed on positive pole pole liquid flow frame 1
116, enter electrode finally by the equal chute 118 on positive pole pole liquid flow frame 1.
Testing inspection：Using the monocell of flow battery liquid flow frame of the present invention, electrode area 1000cm has been carried out2With 50
To monocell, power 3kW stack designs and test.Result is as follows：1st, battery stack operation 100 times, energy efficiency ＞ 85%；2、
Battery pile leakage 200kPa, continues test >=12h, pressure drop ＜ 1.5kPa after voltage stabilizing；3rd, the bipolar plates tap for setting, facilitates each list
Pond collection voltages, and monitor the working condition in single pond.
Specific embodiment of the invention has been described in detail above, but it is intended only as example, and the present invention is not limited
It is formed on particular embodiments described above.To those skilled in the art, any equivalent modifications carried out to the present invention and
Replacement is also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (10)
1. a kind of flow battery liquid flow frame, it is characterised in that including positive pole liquid flow frame and negative pole liquid flow frame, the positive pole liquid stream
The front corner of frame is disposed with the shared runner of negative pole that the shared runner of the positive pole being centrosymmetric at two and Liang Chu are centrosymmetric；
Left and right has been centrosymmetrically arranged barrier film slot cover respectively in the front of the reverse side of the positive pole liquid flow frame and the negative pole liquid flow frame,
The first tumble port, two grades of restricted flow passages and the equal circulation road of splayed, stream gear platform have been sequentially arranged in the barrier film slot cover
With equal chute；The shared runner of the positive pole and the shared runner of the negative pole are led to by first tumble port, two grades of current limlitings respectively
The equal circulation road of road, splayed connects slot electrode with equal chute.
2. flow battery liquid flow frame according to claim 1, it is characterised in that the barrier film slot cover and slot electrode
Surrounding is disposed with barrier film seal groove and interior bakie, the interior bakie be axisymmetricly arranged on the barrier film seal groove in case
Leakage in only being produced between liquid flow frame.
3. flow battery liquid flow frame according to claim 2, it is characterised in that on the liquid flow frame on the slot electrode periphery
Conductive bipolar board slot and bipolar plates tap groove are disposed with, the bipolar plates tap groove is connected with the conductive bipolar board slot.
4. flow battery liquid flow frame according to claim 1, it is characterised in that the shared runner of the positive pole and described negative
Runner is extremely shared to be made up of the electrolyte sharing channel, snakelike restricted flow passage and the second tumble port that are sequentially communicated respectively；And enclose
Restricted flow passage seal groove is disposed with around the electrolyte sharing channel, snakelike restricted flow passage and the second tumble port surrounding.
5. flow battery liquid flow frame according to claim 4, it is characterised in that in the shared runner of the positive pole second
Tumble port is punched with the first tumble port of the positive pole liquid flow frame reverse side and communicated；The second tumble port in the shared runner of the negative pole
Do not punched on the positive pole liquid flow frame, it is engaged cloth with the first tumble port punched on the negative pole liquid flow frame positive and negative
Put；So that the shared runner of the positive pole of the slot electrode side and/or the shared runner of the negative pole are respectively by the first upset
Hole, the second tumble port, two grades of restricted flow passages, splayed is circulated, equal chute is connected with the electrode on the slot electrode, Ran Houzai
Circulated through the equal chute of the slot electrode opposite side, splayed, two grades of restricted flow passages, the second tumble port, the first tumble port with
The shared runner of corresponding positive pole and/or the shared runner of negative pole are communicated, and form returning for anode electrolyte and/or electrolyte liquid
Circulation road.
6. it is a kind of using as described in claim any one of 1-5 flow battery liquid flow frame monocell, it is characterised in that including
It is arranged in the barrier film cover plate between the positive pole liquid flow frame and/or the negative pole liquid flow frame and barrier film.
7. the monocell of flow battery liquid flow frame according to claim 6, it is characterised in that the positive pole liquid flow frame,
Negative pole liquid flow frame and the barrier film cover plate are using CPVC, PP and the material of glass batch mixing or CPVC and PVC batch mixings.
8. the monocell of flow battery liquid flow frame according to claim 7, it is characterised in that on the barrier film cover plate
Axial symmetry is disposed with the spacing oval draw-in groove of width, the spacing oval draw-in groove of length direction and auxiliary circle draw-in groove.
9. the monocell of flow battery liquid flow frame according to claim 8, it is characterised in that including positive pole liquid flow frame
(1), negative pole liquid flow frame (2), medium position is disposed with conductive bipolar between the positive pole liquid flow frame (1) and negative pole liquid flow frame (2)
Plate sealing ring (7) and conductive bipolar plate (8), left and right sides position cloth between the positive pole liquid flow frame (1) and negative pole liquid flow frame (2)
Restricted flow passage sealing ring (6) is equipped with, positive pole liquid flow frame (1) reverse side and the negative pole liquid flow frame (2) front are respectively disposed with
Electrode (5), barrier film seal circle (4), barrier film cover plate (3), electrolyte sharing channel sealing ring (9) and barrier film (10).
10. a kind of assemble method of the monocell of the flow battery liquid flow frame as described in claim any one of 6-9, its feature exists
In comprising the following steps：
(1) restricted flow passage sealing ring (6) is placed on positive pole liquid flow frame (1) front, barrier film seal circle (4) and isolation membrane cover
Plate (3) is placed on positive pole liquid flow frame (1) reverse side, constitutes positive pole flow frame component；
(2) sharing channel sealing ring (9), barrier film seal circle (4) and barrier film cover plate (3) are placed on negative pole liquid flow frame (2)
On front, negative pole flow frame component is constituted；
(3) conductive bipolar plate sealing ring (7) is placed in conductive bipolar plate (8), constitutes conductive bipolar board component；
(4) install successively positive pole flow frame component, electrode (5), conductive bipolar board component, negative pole flow frame component, electrode (5),
Barrier film (10), i.e., a pair of single battery groups install complete, repetition above step, carry out down a pair of single battery groups dresses.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710008044.2A CN106784918A (en) | 2017-01-05 | 2017-01-05 | A kind of flow battery liquid flow frame and its monocell |
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| CN201710008044.2A CN106784918A (en) | 2017-01-05 | 2017-01-05 | A kind of flow battery liquid flow frame and its monocell |
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| CN110048141A (en) * | 2019-04-22 | 2019-07-23 | 高岩 | A kind of electrode of liquid flow cell sheet frame runner and flow battery runner |
| CN112290043A (en) * | 2020-09-21 | 2021-01-29 | 国家电投集团科学技术研究院有限公司 | Fluid plate frame for flow battery and battery unit |
| CN112290044A (en) * | 2020-09-21 | 2021-01-29 | 国家电投集团科学技术研究院有限公司 | Negative electrode fluid plate frame for flow battery and battery unit |
| WO2022225744A1 (en) * | 2021-04-20 | 2022-10-27 | The Lubrizol Corporation | Chlorinated polyvinyl chloride composition |
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