CN209675417U - A kind of liquid stream battery stack and its flow battery system - Google Patents
A kind of liquid stream battery stack and its flow battery system Download PDFInfo
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- CN209675417U CN209675417U CN201920571530.XU CN201920571530U CN209675417U CN 209675417 U CN209675417 U CN 209675417U CN 201920571530 U CN201920571530 U CN 201920571530U CN 209675417 U CN209675417 U CN 209675417U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model relates to flow battery fields, disclose a kind of liquid stream battery stack and its flow battery system, the liquid stream battery stack includes multiple sub- piles, every sub- pile includes one or more monocells, including first end plate, four main liquid stream mouths are set in the first end plate, respectively as the inlet and outlet of positive and negative electrode liquid, independent fluid course is set from each main liquid stream mouth, is respectively communicated to each sub- pile.The feed liquor mode of above structure enables to the distribution of monocell liquid stream more balanced, improve the consistency between subregion pile and monocell, to more increase the quantity of battery pile subregion, reduce the loss of by-pass current, in addition, above structure eliminates the peripheral piping connection of currently used by stages, simplifies peripheral pipeline, improves the reliability of system.
Description
Technical field
The utility model relates to flow battery fields, more particularly, to a kind of liquid stream battery stack and its flow battery system
System.
Background technique
There are many type of flow battery, and by taking widely used all-vanadium flow battery as an example, vanadium cell is as a kind of liquid
Galvanic battery has extended cycle life because it has, security performance is high, can fill deeply and put deeply, configures the advantages such as flexible, environmentally friendly, big
Scale, large capacity power grid energy storage in have unrivaled advantage, in the mating energy storage of photovoltaic power generation, the mating storage of wind-power electricity generation
Obtained in the practical applications such as energy, backup power source, peak load shifting using.Vanadium cell system is by power cell (stack system), storage
The energy-storage system that the parts such as energy unit, electrolyte delivery system, administrative unit, monitoring system, auxiliary system are constituted, battery
Heap is the core component of vanadium cell system, in a manner of integrating step by step, by multiple pile serial or parallel connections, is equipped with electrolyte composition
Standard energy-storage units, and then integrate larger energy-storage system.
Conventional batteries heap constituted mode, exactly by being composed in series and passing through multiple small pile strings between simple monocell
It composes in parallel.That there is by-pass currents in such a way that multiple cells in series form is big, liquid stream distribution is uneven, pile power by
Structure influences excessive defect；High-power pile group is formed in series and parallel by multiple small piles, although this mode can pass through
Change pipeline connection type and pile power supply line connection type effectively inhibits by-pass current and liquid stream to distribute unevenness, but due to each
Small pile all needs have the corresponding accessory of vanadium cell, causes the disadvantages of consumed at high cost, peripheral pipeline is complicated, space hold is big.
It in the prior art, is from feed liquor on the side of end feed liquor plate or intermediate feed liquor plate, every sub- pile is by two pieces of feed liquors
Plate constitutes liquid stream circuit, and Lai Shixian pile is divided into several sub- piles, and is gone here and there by the pipeline outside sub- pile to pile
It is in parallel.This mode need to cause feed liquor plate side necessary because of liquid stream from end feed liquor plate or the side surface direction feed liquor of intermediate feed liquor plate
Greater than liquid flow hole, the subregion of pile is limited, because keeping entire pile extremely thick and heavy with the increase of number of partitions, and outer
Bustle pipe road is also extremely complex, as disclosed by Chinese patent CN204927426U.
In the prior art, there are also binding end feed liquor plates and intermediate feed liquor plate, then are added from the intermediate of sub- pile between the two
Sub- pile is divided into two parts by one partition, and this mode effectively increases the sub- pile number of pile, but because still
A sub- pile is constituted using double feed liquor plate modes, although comparatively, alleviating weight and the side of pile, also increasing
Sub- pile quantity, but original sub- pile has only been divided into two shapes simply in terms of electrolyte by the way of partition
Boy's pile in formula, not from circuit, real bundle pile is divided into two sub- piles, and peripheral tube road is still relatively more multiple
It is miscellaneous, as disclosed by Chinese patent CN204947013U.
It is related to that the mode of end feed liquor plate, intermediate feed liquor plate and partition is added in above scheme, although to a certain degree
On improve some disadvantages of usual manner, but feed liquor plate is needed thick and solid and can be insulated and corrosion-resistant, with current national standard
For work grade PVC minimum pipeline, the caliber of minimum outer diameter pipe is 2cm, if in this, as this mode feed liquor plate upper connector
The side in road, feed liquor plate needs at least 2.5cm, and this mode feed liquor plate matter is influenced by its structure, and ordinary circumstance cannot adopt
, can only be by the way of welding or bonding with flange method, therefore also limit its material selection range, meanwhile, welding or
It is poor to be bonded pressure-bearing, is easy to hidden leakage defect occur.Therefore its that there are piles is thick and heavy, feed liquor plate occupied space is big and selection is limited,
The deficiencies of peripheral conduits are complicated and reliability is low, sub- pile limited amount, higher cost place.
Utility model content
The purpose of the utility model is to overcome the disadvantages existing in the prior art, by the improvement to feed liquor mode, subtracts
The size and weight of few battery pile.
The utility model aim is achieved through the following technical solutions:
A kind of liquid stream battery stack, including multiple sub- piles are provided, every sub- pile includes one or more monocells, including
Four main liquid stream mouths are arranged in the first end plate in first end plate, respectively as the inlet and outlet of positive and negative electrode liquid, from every
Independent fluid course is arranged in a main liquid stream mouth, is respectively communicated to each sub- pile.
In a kind of concrete scheme of the utility model, which includes:
The first end plate and second end plate, are separately positioned on battery pile both ends, neighbouring each main liquid stream mouth, the
One group of runner is equipped with inside end plate, this group of runner is connected to the main liquid mouth, the quantity of every group of runner and battery pile
Sub- pile quantity is identical；
Sub- pile, every sub- pile includes several liquid flow frames, the quantity of liquid flow frame and monocell quantity phase in the sub- pile
It adapts to, four groups of liquid flow holes is accordingly equipped on each liquid flow frame, in same sub- pile, the liquid stream hole number of liquid flow frame is identical,
But in the liquid flow frame of different sub- piles, the first sub- pile of the quantity of every group of liquid flow hole from the neighbouring first end plate
Start gradually successively decrease, maximum number be sub- pile number, minimum 1；
Subregion plate is arranged between the adjacent pile of son, is accordingly equipped with subregion plate liquid flow hole, the number of subregion plate liquid flow hole
It measures identical as the liquid stream hole number of liquid flow frame in the sub- pile of next stage.
Further, in the outside of the first end plate and the second end plate, an installation end plate is also respectively set, for solid
Determine battery and piles an entirety.
Further, disengaging identical with main liquid stream mouth quantity is additionally provided on the installation end plate adjacent with first end plate
Liquid mouth, and completely cut off with electrolyte.
Further, the Kong Jing of the subregion plate liquid flow hole is greater than the aperture of the liquid flow hole of liquid flow frame.
Further, collector is equipped in the sub- pile, the main surface of the collector is equipped with afflux body fluid flow mouth,
Afflux body fluid flow mouth in same sub- pile is identical as the liquid stream mouth quantity of liquid flow frame.
Further, second end plate is insulating end plate, for separating collector and installation end plate.
Further, the electrode solution of the collector and sub- pile is separated by resistant material.
Further, the collector is no more than 2 in the quantity of sub- pile.
The another object of the utility model is to provide a kind of battery system, including above-mentioned liquid stream battery stack.
Compared with prior art, the beneficial effects of the utility model are as follows:
Four main liquid stream mouths are arranged in first end plate in the utility model, and independent fluid course is arranged in each main liquid stream mouth,
It is respectively communicated to each sub- pile, the feed liquor mode of above structure can reduce the size and weight of battery pile, so as to more
Mostly increase the quantity of battery pile subregion, and then reduces monocell number in each subregion.The reduction of monocell number reduces
Potential difference between monocell, so that the loss of by-pass current is reduced.In addition, independent fluid course is connected to each height electricity
Heap, the liquid stream distribution optimized between monocell is harmonious, improves the consistency between sub- pile and monocell.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only some embodiments of the utility model, for those of ordinary skill in the art, in not making the creative labor property
Under the premise of, it is also possible to obtain other drawings based on these drawings.
Fig. 1 a and 1b are the overall schematics of vanadium cell battery pile different angle according to the present utility model.
Fig. 2 vanadium cell battery pile explosive view.
Fig. 3 feed liquor tip plate configurations schematic diagram.
Fig. 4 single-cell structure schematic diagram.
Fig. 5 pile liquid flow frame schematic diagrames at different levels.
Specific embodiment
The utility model is further described With reference to embodiment, wherein being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
According to the utility model, liquid stream battery stack includes that multiple sub- piles are constituted, and every sub- pile can have multiple single electricity
Pond is constituted.Specifically, the flow battery pile structure of the utility model includes first end plate and the second end plate, it is separately positioned on electricity
The both ends Chi Dui, wherein at least first end plate are opened there are four main liquid stream mouth, respectively as the inlet and outlet of positive and negative electrode liquid.It is adjacent
Nearly each main liquid stream mouth, is equipped with one group of runner inside first end plate, this group of runner is connected to the main liquid mouth, every group of shunting
The quantity in road is identical as the sub- pile quantity of battery pile.
Every sub- pile includes several liquid flow frames, and the quantity of liquid flow frame is adapted with monocell quantity in the sub- pile (is
2 times of monocell quantity), four groups of liquid flow holes are accordingly equipped on each liquid flow frame.In same sub- pile, the liquid stream of liquid flow frame
Hole number is identical, still, in the liquid flow frame of different sub- piles, the quantity of every group of liquid flow hole since first sub- pile gradually
Successively decrease, maximum number be sub- pile number, minimum 1.
Battery pile further includes multiple subregion plates, is arranged between adjacent sub- pile, and subregion plate liquid flow hole is accordingly equipped with,
The quantity of subregion plate liquid flow hole is identical as the liquid stream hole number of liquid flow frame in the sub- pile of next stage.
In the utility model, the effect of first end plate, which is to realize, concentrates liquid in-out, quantity and the son electricity of every group of runner
Heap quantity is corresponding, and under the premise of meeting above-mentioned requirements, there are many forms for the quantity and position of main liquid stream mouth and runner, specifically
It arranges according to the actual situation.
In the utility model, the second end plate can be the end plate without aforementioned main liquid stream mouth for separating liquid stream, can also be with
It is structure identical with first end plate, the latter is suitble to when using more sub- piles, from the both ends liquid in-out of battery pile.
In the utility model, the quantity at least two of sub- pile, first (grade) sub- pile refers near first end
The sub- pile of plate, the liquid flow frame liquid stream mouth quantity between same sub- pile is identical, the liquid of the liquid flow frame between different sub- piles
Discharge orifice quantity is different, and the present position in pile determines according to sub- pile quantity and sub- pile for the quantity of specific liquid flow hole,
The quantity of sub- pile theoretically can be infinitely more, and practical application is empty by pile power, monocell number, end feed liquor plate end face area
Between determine, but must not be less than inlet quantity.
In the utility model, every group of liquid flow hole of liquid flow frame is divided into two parts, and one of liquid flow hole is for liquid flow frame
The sub- pile at place, another part liquid flow hole are subsequent sub- pile to be flowed into for liquid stream, therefore the quantity of liquid flow hole is arranged
To successively decrease, and the setting of subregion plate liquid flow hole is identical as the liquid stream hole number of liquid flow frame in the sub- pile of next stage, the purpose is to
In order to prevent the liquid stream for current sub- pile from flowing to the sub- pile of next stage, (liquid flow hole to successively decrease is to be used for current sub- pile
Liquid flow hole).
Wherein, one fewer than the quantity of sub- pile of the quantity of subregion plate, subregion plate liquid flow hole is provided with the main table of subregion plate
On face, compared to feed liquor from the side, reduce the thickness of subregion plate, subregion plate thickness is unrelated with liquid stream pore size, with it is exhausted
The external lead space of edge intensity and collector is related.
Under normal conditions, it in the outside of the first end plate of the battery pile of the utility model and the second end plate, is also respectively set
One installation end plate, as the load component that entire battery pile is fixed on to one.
Further, the utility model is in order to individually control each or multiple sub- piles to realize, every
Collector can also be set in a sub- pile, and the collector quantity in a sub- pile is up to two, and its role is to pass through
Change string and mode that collector external connection power supply line sequence changes sub- pile, plays and reduce by-pass current loss, balanced son
The effect of pile voltage and single battery voltage.
Wherein, the size thickness of collector, structure type, the number of openings are unrestricted, design with specific reference to actual conditions.
Below by taking vanadium cell as an example, the utility model is illustrated in the application in vanadium flow battery field:
As shown in Fig. 1~2, the present embodiment provides a kind of vanadium cell battery piles, including 5 sub- piles 3,4,5,6,7, setting
End plate at battery pile both ends and 4 subregion plates 405,505,605,705 for being arranged between 5 sub- piles.
In the present embodiment, end plate includes the installation end plate 1 and 9 for being located at both ends, is located at first installed on the inside of end plate
End plate 2 and the second end plate 8.The load retaining element that end plate 1 and 9 is battery pile is installed, is interconnected and fixed by connector, is had
Body is clamped from surrounding hole location in this embodiment by bolt.Installation end plate is usually made of metal material, with true
Protect enough mechanical strengths and durability.The utility model is also not excluded for a possibility that being made with other strength materials, such as makes pottery
Ceramic material, carbon fibre material and other composite polymer materials.The structure of first end plate 2 is as shown in figure 3, include four main liquid streams
Mouthfuls 11,12,13 and 14, their total inlets or liquid outlet as the positive and negative battery fluid of battery pile.Each main liquid stream mouth is near
The connection of one group of runner, runner is distributed in inside first end plate, and the quantity of the runner is corresponding with sub- pile quantity, due to
The sub- pile quantity of the present embodiment is 5, therefore the runner connecting with main liquid stream mouth 11 is five, respectively runner 111,
112,113,114 and 115, one of runner is connected to the sub- pile of the first order, remaining four runner is respectively by battery fluid
It is delivered directly to the sub- pile of second, third, fourth, fifth grade.
It is understood that being also correspondingly provided on the installation end plate 1 adjacent with first end plate 2 and main liquid stream mouth 11,12,13
Installation end plate liquid in-out mouth identical with 14 quantity, installation end plate inlet quantity is identical as the quantity of main inlet, and with
Electrolyte isolation, specific isolation mode can take the modes such as bushing, flange.First end plate 2 and the material of the second end plate 8 include
But the erosion resisting insulations material such as be not limited to polyvinyl chloride, polypropylene, polyethylene, polytetrafluoroethylene (PTFE), polyphenylene sulfide.
As shown in figure 4, in the present embodiment monocell include pole plate 3032, electrode 3033, liquid flow frame 3031 (containing bipolar plates it is close
Sealing), diaphragm seal gasket 3034, diaphragm 3035.
It should be noted that the positive and negative grade liquid flow frame in the present embodiment in every sub- pile be it is identical, need to only change peace
Direction is filled to realize the exchange of positive and negative anodes liquid flow frame, is designed with liquid flow hole on each liquid flow frame, and the quantity of liquid flow hole is many
It is identical in the liquid stream hole number of liquid flow frame in the quantity of inlet, same sub- pile, the liquid stream of liquid flow frame between different sub- piles
Hole number is gradually successively decreased since first sub- pile, and every pole passes in and out the sequence with sub- pile in pile respectively of liquid flow hole quantity
Number is identical.
Equally, the main surface of 4 subregion plates 405,505,605,705 also is provided with subregion corresponding with the liquid flow hole of liquid flow frame
Plate liquid flow hole, in specific each subregion plate in the quantity of subregion plate liquid flow hole and the sub- pile of next stage liquid flow frame liquid stream hole number
It is identical, for blocking the liquid stream of the sub- pile of upper level, it is allowed to cannot flow into the sub- pile of next stage, subregion plate matter includes
But the erosion resisting insulations material such as be not limited to polyvinyl chloride, polypropylene, polyethylene, polytetrafluoroethylene (PTFE), polyphenylene sulfide.
Below according to the quantity of sub- pile, be described in detail every different liquid flow frame structure of sub- pile how to electrolyte into
Row distribution:
As shown in figure 5, the quantity of this embodiment example pile be 5, from first end plate 2 be set to first son electricity
The sub- pile 5 of heap 3, the second sub- pile 4, third, the 4th sub- pile 6, the 5th sub- pile 7, the number of main liquid stream mouth 11,12,13 and 14
Amount is 4, since the liquid stream hole number of liquid flow frame is successively decreased since the first sub- pile 3, the liquid stream of the liquid flow frame of the 5th sub- pile 7
Hole number will be at least 4 (must not at least be less than the quantity of inlet), and therefore, the liquid flow frame 3031 of the sub- pile 3 of the first order is set
There are 20 liquid flow holes, only four of them liquid flow hole 30311,30312,30313 and 30314 belongs to the sub- pile 3 of the first order, remaining
16 liquid flow holes are flowed into the sub- pile 4 in the second level directly through the sub- pile 3 of the first order, and the liquid flow frame of the sub- pile 4 in the second level
4031 have 16 liquid flow holes, and only 4 liquid flow holes 40311,40312,40313 and 40314 belong to the sub- pile 4 in the second level, remaining
12 liquid flow holes are flowed into the sub- pile of the third level directly through the sub- pile 4 of second level.The sub- pile 4 of the sub- pile 3 of the first order and the second level
Between subregion plate 405 be equipped with 16 subregion plate liquid flow holes, it is identical as the liquid stream hole number of liquid flow frame in the sub- pile in the second level,
Therefore the liquid flow hole 30311,30312,30313 and 30314 of the sub- pile 3 of the first order, liquid flow frame 5031,6031,7031 have been obstructed
And other structures are sequentially arranged by above-mentioned principle.
It is understood that subregion plate liquid flow hole correspondence is provided with subregion according to the direction of fluid course in the present embodiment
In the main surface of plate, compared to from side feed liquor, reduce the thickness of subregion plate, therefore subregion plate thickness and liquid in the present embodiment
Flow pore size is unrelated, only, in the case where meet above-mentioned requirements its thickness related with dielectric strength and the external lead space of collector
It can control in 1cm or less.
Wherein, the aperture of liquid flow hole can be consistent with the liquid flow hole aperture of liquid flow frame in the present embodiment, in a practical situation
In view of increasing subregion plate sealing performance, the aperture of subregion plate liquid flow hole can also be greater than the liquid flow hole aperture of liquid flow frame.
Further, each or multiple sub- piles are individually controlled in order to realize, as shown in Fig. 1~2, this implementation
Collector (301,302,401,402,501,502,601,602,701,702) are additionally provided in every sub- pile in example, specifically
2 collectors are designed in every sub- pile, change the string of sub- pile by changing collector external connection power supply line sequence
And mode, it plays and reduces by-pass current loss, the effect of balanced sub- pile voltage and single battery voltage.
It is understood that being accordingly equipped with afflux body fluid flow mouth in the main surface of collector, and quantity and same son
The liquid stream hole number of liquid flow frame in pile is identical, the electrode solution of afflux body fluid flow mouth and sub- pile by resistant material every
It opens.
It should be noted that the material of collector is including but not limited to the high conductive metal material such as copper, aluminium or composite wood
Expect, the collector quantity in same sub- pile is up to two, and collector size thickness, structure type, the number of openings are without spy
It does not require, those skilled in the art design according to the actual situation.
In the present embodiment, it is contemplated that can be led if the collector 702 in the 5th sub- pile 7 is contacted with installation end plate 9
Electricity generates short circuit or electric leakage so as to cause battery pile, therefore the second end plate 8 between collector 702 and installation end plate 9 is usually
It is made of insulating materials, such as bakelite plate, insulating polymeric material, the thickness of insulating end plate 8 is thinner than 2 thickness of first end plate, tool
Body is selected according to installation space and dielectric strength.
In addition, insulating end plate 8 also acts as in the partition sub- pile 7 of level V 4 liquid streams on liquid flow frame 7031 in the present embodiment
The effect in hole 70311,70312,70313,70314.
To sum up, four main liquid stream mouths and fluid course are integrated in first end plate by the present embodiment, then pass through each son electricity
The liquid flow frame of different structure is allocated electrolyte between heap；Feed liquor direction is the side of vertical liquid flow frame, subregion plate main surface
It is not influenced to the thickness of, subregion plate, collector by aperture.By the improvement to feed liquor mode in above scheme, electricity is reduced
The size and weight of Chi Dui, so as to more increase battery pile number of partitions, so that increasing sub- pile under Same Efficieney
Quantity can reduce every sub- pile monocell number.Liquid flow needed for the reduction of monocell number makes every sub- pile
It reduces, to reduce feed liquor pipe diameter inside every sub- pile, the reduction of feed liquor caliber increases pipeline internal resistance, finally reduces side
Road electric current.
This embodiment example pile monocell quantity reduces and makes sub- pile first and last end monocell with multiple afflux mates
Potential difference reduces, and since every sub- pile has dedicated disengaging fluid course, the liquid stream also improved between single battery is balanced
Property, to improve electrical parameter harmony.
The present embodiment individually controls each or multiple sub- piles using collector, by changing outside collector
Connection power supply line sequence changes the string and mode of sub- pile, plays and reduces by-pass current loss, balanced sub- pile voltage and single electricity
The effect of cell voltage, the electrical property for improving battery pile is harmonious, and reduces and reduce peripheral matched number of tubes.
It is tested by actual verification, under same power (>=35kW), the quantity of this embodiment example pile increases four times,
Volume and weight reduces 1/5, and cost has dropped 10%, in efficiency >=81%, 120mA.cm-2It improves to 150mA.cm-2。
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature.In order to avoid unnecessary repetition, the utility model
To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the protection scope of the utility model.
Claims (10)
1. a kind of liquid stream battery stack, including multiple sub- piles, every sub- pile includes one or more monocells, and feature exists
In, four main liquid stream mouths (11,12,13,14) are arranged in the first end plate (2) in including first end plate (2), respectively as just,
The inlet and outlet of negative electrode liquid is arranged independent fluid course from each main liquid stream mouth, is respectively communicated to each sub- pile.
2. liquid stream battery stack according to claim 1 characterized by comprising
The first end plate (2) and second end plate (8), are separately positioned on battery pile both ends, neighbouring each main liquid stream mouth
(11,12,13,14) are equipped with one group of runner inside first end plate (2), this group of runner is connected to the main liquid mouth, every component
The quantity of runner is identical as the sub- pile quantity of battery pile；
Sub- pile (3,4,5,6,7), every sub- pile includes several liquid flow frames (3031,4031,5031,6031,7031), liquid stream
Monocell quantity is adapted in the quantity of frame and the sub- pile, four groups of liquid flow holes is accordingly equipped on each liquid flow frame, same
In sub- pile, the liquid stream hole number of liquid flow frame is identical, still, in the liquid flow frame of different sub- piles, the quantity of every group of liquid flow hole
Gradually successively decreasing since first sub- pile of the neighbouring first end plate, maximum number is the number of sub- pile, minimum 1；
Subregion plate is arranged between the adjacent pile of son, is accordingly equipped with subregion plate liquid flow hole, the quantity of subregion plate liquid flow hole with
The liquid stream hole number of liquid flow frame is identical in the sub- pile of next stage.
3. liquid stream battery stack according to claim 2, which is characterized in that in the outer of the first end plate and the second end plate
Side, is also respectively set an installation end plate, piles an entirety for fixing battery.
4. liquid stream battery stack according to claim 3, which is characterized in that on the installation end plate adjacent with first end plate
It is additionally provided with liquid in-out mouth identical with main liquid stream mouth quantity, and is completely cut off with electrolyte.
5. liquid stream battery stack according to claim 2, which is characterized in that the Kong Jing of the subregion plate liquid flow hole is greater than liquid stream
The aperture of the liquid flow hole of frame.
6. liquid stream battery stack according to claim 1, which is characterized in that be equipped with collector, the collection in the sub- pile
Afflux body fluid flow mouth is accordingly equipped in the main surface of fluid, the liquid stream of afflux body fluid flow mouth and liquid flow frame in same sub- pile
Mouth quantity is identical.
7. liquid stream battery stack according to claim 2, which is characterized in that second end plate is insulating end plate, for separating
Collector and installation end plate.
8. liquid stream battery stack according to claim 6, which is characterized in that the electrode solution of the collector and sub- pile passes through resistance to
Corrosion material separates.
9. liquid stream battery stack according to claim 6, which is characterized in that the collector is no more than 2 in the quantity of sub- pile
It is a.
10. a kind of flow battery system, which is characterized in that including liquid stream battery stack described in claim 1~9 any one.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190314A (en) * | 2019-04-24 | 2019-08-30 | 湖南钒谷新能源技术有限公司 | A kind of liquid stream battery stack and its flow battery system |
| CN116525868A (en) * | 2023-06-30 | 2023-08-01 | 杭州德海艾科能源科技有限公司 | Self-zoning flow battery pile |
| CN116979116A (en) * | 2023-09-22 | 2023-10-31 | 艾博特瑞能源科技(苏州)有限公司 | Flow battery pile and flow battery |
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2019
- 2019-04-24 CN CN201920571530.XU patent/CN209675417U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190314A (en) * | 2019-04-24 | 2019-08-30 | 湖南钒谷新能源技术有限公司 | A kind of liquid stream battery stack and its flow battery system |
| CN116525868A (en) * | 2023-06-30 | 2023-08-01 | 杭州德海艾科能源科技有限公司 | Self-zoning flow battery pile |
| CN116525868B (en) * | 2023-06-30 | 2023-09-29 | 杭州德海艾科能源科技有限公司 | Self-zoning flow battery pile |
| CN116979116A (en) * | 2023-09-22 | 2023-10-31 | 艾博特瑞能源科技(苏州)有限公司 | Flow battery pile and flow battery |
| CN116979116B (en) * | 2023-09-22 | 2024-01-09 | 艾博特瑞能源科技(苏州)有限公司 | Flow battery pile and flow battery |
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