CN104953148A - Voltaic pile - Google Patents

Voltaic pile Download PDF

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Publication number
CN104953148A
CN104953148A CN201510375315.9A CN201510375315A CN104953148A CN 104953148 A CN104953148 A CN 104953148A CN 201510375315 A CN201510375315 A CN 201510375315A CN 104953148 A CN104953148 A CN 104953148A
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CN
China
Prior art keywords
battery unit
communicated
negative pole
positive pole
battery
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510375315.9A
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Chinese (zh)
Inventor
王政
殷聪
汤浩
李扬
刘佳燚
胡杨月
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Dongfang Electric Corp
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Dongfang Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfang Electric Corp filed Critical Dongfang Electric Corp
Priority to CN201510375315.9A priority Critical patent/CN104953148A/en
Publication of CN104953148A publication Critical patent/CN104953148A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/24Grouping of fuel cells, e.g. stacking of fuel cells
    • H01M8/249Grouping of fuel cells, e.g. stacking of fuel cells comprising two or more groupings of fuel cells, e.g. modular assemblies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04276Arrangements for managing the electrolyte stream, e.g. heat exchange
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The invention provides a voltaic pile. The voltaic pile comprises a plurality of battery units which are sequentially superposed, wherein in any two adjacent battery units, an electrolyte outlet of the battery unit at the upstream side is communicated with an electrolyte inlet of the battery unit at the downstream side, so that the electrolyte can flow among a plurality of battery units. The voltaic pile comprises a plurality of battery units which are sequentially superposed, in two adjacent battery units, the electrolyte outlet of the battery unit at the upstream side is communicated with the electrolyte inlet of the battery unit at the downstream side, thus the electrolyte can flow among the battery units, so that the loss of bypass current can be effectively controlled, the battery number can be improved, and the overall power of the voltaic pile and energy efficiency of the voltaic pile can be improved.

Description

Battery pile
Technical field
The present invention relates to flow battery field, in particular to a kind of battery pile.
Background technology
As shown in Figure 1, existing liquid stream battery stack, its monocell sheet is generally superimposed by the series connection of multi-disc monocell, with the end plate at two ends, battery is assembled into entirety by the fastening force of bolt by the battery component of centre.Fig. 2 and Fig. 3 shows the positive pole of existing liquid stream battery stack and the type of flow of electrolyte liquid, is parallel flowing.Wherein, in Fig. 1 to Fig. 3,1 is liquid flow frame, and 2 is bipolar plates, and 3 is porous electrode, and 4 is amberplex, and all parts stacks successively by the order shown in figure and is assembled.The composition of battery pile, by the continuous repetition of structure shown in figure, stacks together.
The parallel flow kinetic energy of existing design enough reduces certain liquid stream pressure drop thus reduces pump consumption, but, along with the raising of battery number in battery pile, due to the ionic conductivity of electrolyte, between different batteries, form self discharge, parallel flow setup will cause huge by-pass current loss.
In addition, the design of high-power pile, requires monocell area to increase or battery number increases, and the increase of monocell area can bring sealing difficulty, and the unrestricted increase of battery number then brings huge by-pass current loss.
Summary of the invention
Main purpose of the present invention is to provide a kind of battery pile, with the problem that the by-pass current loss solving battery pile of the prior art is larger.
To achieve these goals, the invention provides a kind of battery pile, comprise multiple battery units stacked successively, in any two adjacent battery units, the electrolyte outlet at the battery unit of upstream side is communicated with the electrolyte entrance of the battery unit in downstream to make electrolyte serial flow between multiple battery unit.
Further, multiple battery unit is made up of multiple stacks of cells stacked successively, stacks of cells comprises the first battery unit and the second battery unit that are disposed adjacent, the anode electrolyte outlet of the first battery unit is communicated with the anode electrolyte entrance of the second battery unit, and the electrolyte liquid outlet of the first battery unit is communicated with the electrolyte liquid entrance of the second battery unit.
Further, share first bipolar plates between two adjacent stacks of cells to be communicated with the electrolyte entrance of second stacks of cells to make the corresponding electrolyte outlet of first stacks of cells; Share the 3rd bipolar plates between first battery unit and the second battery unit to be communicated with the electrolyte entrance of the second battery unit to make the corresponding electrolyte outlet of the first battery unit.
Further, the first battery unit and the second battery unit include positive pole liquid flow frame and negative pole liquid flow frame, and positive pole liquid flow frame and negative pole liquid flow frame are all folded between corresponding first bipolar plates and the 3rd bipolar plates; Positive pole liquid flow frame is provided with the first positive pole inlet hole, the first positive pole portals, the first negative pole inlet hole, the first negative pole portal and the first container cavity, and the first positive pole inlet hole and the first positive pole portal and be all communicated with the first container cavity; Negative pole liquid flow frame is provided with the second positive pole inlet hole, the second positive pole portals, the second negative pole inlet hole, the second negative pole portal and the second container cavity, and the second negative pole inlet hole and the second negative pole portal and be all communicated with the second container cavity.
Further, the first bipolar plates is provided with the first pod apertures and the second pod apertures, the first pod apertures is communicated with the second positive pole inlet hole, and the second pod apertures is communicated with the second negative pole inlet hole; 3rd bipolar plates is provided with the 7th pod apertures and the 8th pod apertures, the 7th pod apertures is portalled with the first negative pole and is communicated with, and the 8th pod apertures is portalled with the first positive pole and is communicated with.
Further, in the first battery unit and the second battery unit, be provided with the second bipolar plates, and the second bipolar plates is arranged between the first bipolar plates and the 3rd bipolar plates; Second bipolar plates is provided with the 3rd pod apertures, the 4th pod apertures, the 5th pod apertures and the 6th pod apertures, and the 3rd pod apertures is communicated with the first positive pole inlet hole, 4th pod apertures is communicated with the first negative pole inlet hole, 5th pod apertures is portalled with the first negative pole and is communicated with, and the 6th pod apertures is portalled with the first positive pole and is communicated with.
Further, the first battery unit and the second battery unit include multiple second bipolar plates to make the parallel flowing of the electrolyte in the first battery unit and the second battery unit.
Further, be provided with amberplex in the first battery unit and the second battery unit, amberplex is arranged between adjacent positive pole liquid flow frame and negative pole liquid flow frame; Amberplex is provided with the first via, the second via, the 3rd via and the 4th via, and the first via is communicated with the first positive pole inlet hole, second via is communicated with the first negative pole inlet hole, 3rd via portals with the first negative pole and is communicated with, and the 4th via portals with the first positive pole and is communicated with.
Further, all porous electrode is installed in the first container cavity of positive pole liquid flow frame and the second container cavity of negative pole liquid flow frame.
Further, positive pole liquid flow frame is provided with the first guiding gutter, and the first positive pole inlet hole and the first positive pole are portalled and are all communicated with the first container cavity by the first guiding gutter; Negative pole liquid flow frame is provided with the second guiding gutter, and the second negative pole inlet hole and the second negative pole are portalled and are all communicated with the second container cavity by the second guiding gutter.
Battery pile in the present invention comprises multiple battery units stacked successively, due in adjacent two battery units, the electrolyte outlet being positioned at the battery unit of upstream side is communicated with the electrolyte entrance of the battery unit being positioned at downstream, so just, electrolyte serial flow between multiple battery unit can be realized, and then effectively control the loss of by-pass current, improve the joint number of battery, improve the overall power of battery pile and the energy efficiency of battery pile.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of flow battery of the prior art;
Fig. 2 shows the schematic diagram of battery pile of the prior art when electrolyte liquid walks abreast flowing;
Fig. 3 shows the schematic diagram of battery pile of the prior art when anode electrolyte walks abreast flowing;
Fig. 4 shows the schematic diagram of battery pile when positive electrolyte flow of first embodiment in the present invention;
Fig. 5 shows the schematic diagram of battery pile when negative electrolyte flow of first embodiment in the present invention;
Fig. 6 shows the schematic diagram of battery pile when positive electrolyte flow of second embodiment in the present invention;
Fig. 7 shows the schematic diagram of battery pile when negative electrolyte flow of second embodiment in the present invention;
Fig. 8 shows the structural representation of the battery unit of the battery pile in first embodiment in the present invention;
Fig. 9 shows the structural representation of the battery unit of the battery pile in second embodiment in the present invention;
Figure 10 shows the structural representation of the positive pole liquid flow frame in the present invention;
Figure 11 shows the structural representation of the negative pole liquid flow frame in the present invention;
Figure 12 shows the structural representation of the first bipolar plates in the present invention;
Figure 13 shows the structural representation of the second bipolar plates in the present invention;
Figure 14 shows the structural representation of the 3rd bipolar plates in the present invention;
Figure 15 shows the structural representation of the amberplex in the present invention;
Figure 16 shows the structural representation of the porous electrode in the present invention; And
Figure 17 porous electrode shown in the present invention is assemblied in the structural representation on negative pole half-cell.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, the first bipolar plates; 11, the first pod apertures; 12, the second pod apertures; 13, the 3rd breach; 20, the second bipolar plates; 21, the 3rd pod apertures; 22, the 4th pod apertures; 23, the 5th pod apertures; 24, the 6th pod apertures; 25, the 4th breach; 30, the 3rd bipolar plates; 31, the 7th pod apertures; 32, the 8th pod apertures; 33, the 5th breach; 40, positive pole liquid flow frame; 41, the first positive pole inlet hole; 42, the first positive pole portals; 43, the first negative pole inlet hole; 44, the first negative pole portals; 45, the first container cavity; 46, the first guiding gutter; 47, the first breach; 50, negative pole liquid flow frame; 51, the second positive pole inlet hole; 52, the second positive pole portals; 53, the second negative pole inlet hole; 54, the second negative pole portals; 55, the second container cavity; 56, the second guiding gutter; 57, the second breach; 60, amberplex; 61, the first via; 62, the second via; 63, the 3rd via; 64, the 4th via; 65, the 6th breach; 70, porous electrode; 100, the first battery unit; 200, the second battery unit.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Present embodiments provide a kind of battery pile, please refer to Fig. 4 to Figure 17, this battery pile comprises multiple battery units stacked successively, in any two adjacent battery units, the electrolyte outlet at the battery unit of upstream side is communicated with the electrolyte entrance of the battery unit in downstream to make electrolyte serial flow between multiple battery unit.
Battery pile in the present embodiment comprises multiple battery units stacked successively, due in adjacent two battery units, the electrolyte outlet being positioned at the battery unit of upstream side is communicated with the electrolyte entrance of the battery unit being positioned at downstream, so just, electrolyte serial flow between multiple battery unit can be realized, and then effectively control the loss of by-pass current, improve the joint number of battery, improve the overall power of battery pile and the energy efficiency of battery pile.
In the present embodiment, multiple battery unit is made up of multiple stacks of cells stacked successively, stacks of cells comprises the first battery unit 100 and the second battery unit 200 be disposed adjacent, the anode electrolyte outlet of the first battery unit 100 is communicated with the anode electrolyte entrance of the second battery unit 200, and the electrolyte liquid outlet of the first battery unit 100 is communicated with the electrolyte liquid entrance of the second battery unit 200.Like this, the serial flow of electrolyte between battery unit can just be realized.
In the present embodiment, share first bipolar plates 10 between two adjacent stacks of cells to be communicated with the electrolyte entrance of second stacks of cells to make the corresponding electrolyte outlet of first stacks of cells; Share the 3rd bipolar plates 30 between first battery unit 100 and the second battery unit 200 to be communicated with the electrolyte entrance of the second battery unit 200 to make the corresponding electrolyte outlet of the first battery unit 100.
In this application, two sidewalls of the first bipolar plates 10 belong to two stacks of cells respectively, a stacks of cells application one sidewall of upstream side, a stacks of cells application one sidewall in downstream.
In the present embodiment, the first battery unit 100 and the second battery unit 200 include positive pole liquid flow frame 40 and negative pole liquid flow frame 50, and positive pole liquid flow frame 40 and negative pole liquid flow frame 50 are all folded between corresponding first bipolar plates 10 and the 3rd bipolar plates 30; Positive pole liquid flow frame 40 is provided with the first positive pole inlet hole 41, first positive pole 42, first negative pole inlet hole 43, first negative pole that portals to portal 44 and first container cavity 45, and the first positive pole inlet hole 41 and the first positive pole portal and 42 to be all communicated with the first container cavity 45; Negative pole liquid flow frame 50 is provided with the second positive pole inlet hole 51, second positive pole 52, second negative pole inlet hole 53, second negative pole that portals to portal 54 and second container cavity 55, and the second negative pole inlet hole 53 and the second negative pole portal and 54 to be all communicated with the second container cavity 55.
In this application, positive pole liquid flow frame 40 and negative pole liquid flow frame 50 arrange in pairs, and on positive pole liquid flow frame 40 and negative pole liquid flow frame, positive pole inlet hole is set, positive pole portals, negative pole inlet hole, negative pole portal and container cavity, the proper flow of electrolyte can be realized more easily, ensure the normal work of battery unit.
In the present embodiment, the first bipolar plates 10 is provided with the first pod apertures 11 and the second pod apertures 12, first pod apertures 11 is communicated with the second positive pole inlet hole 51, the second pod apertures 12 is communicated with the second negative pole inlet hole 53; 3rd bipolar plates 30 is provided with the 7th pod apertures 31 and the 8th pod apertures the 32, seven pod apertures 31 and the first negative pole to portal and 44 to be communicated with, the 8th pod apertures 32 and the first positive pole portal and 42 to be communicated with.
The application, by arranging the first pod apertures 11 and the second pod apertures 12 in the first bipolar plates 10, the 3rd bipolar plates 30 arranges the 7th pod apertures 31 and the 8th pod apertures 32, can ensure the normal circulation of electrolyte more easily.
In this application, in the first bipolar plates 10 between adjacent two stacks of cells, the side of the close upstream electrical cell stack of its first pod apertures 11 and the second pod apertures 12 is respectively corresponding electrolyte outlet, is respectively corresponding electrolyte inlet near the side of downstream electrical cell stack.
Preferably, be provided with the second bipolar plates 20 in the first battery unit 100 and the second battery unit 200, and the second bipolar plates 20 is arranged between the first bipolar plates 10 and the 3rd bipolar plates 30; Second bipolar plates 20 is provided with the 3rd pod apertures 21, the 4th pod apertures 22, the 5th pod apertures 23 and the 6th pod apertures 24, and the 3rd pod apertures 21 is communicated with the first positive pole inlet hole 41,4th pod apertures 22 is communicated with the first negative pole inlet hole 43,5th pod apertures 23 and the first negative pole portal and 44 to be communicated with, and the 6th pod apertures 24 and the first positive pole portal and 42 to be communicated with.
In this application, the joint number of battery unit is determined by the quantity of the second bipolar plates 20 of its inside, by arranging each pod apertures in the second bipolar plates 20, can ensure the parallel flowing of electrolyte in battery unit.
In this application, the first battery unit 100 and the second battery unit 200 include multiple second bipolar plates 20 to make the parallel flowing of the electrolyte in the first battery unit 100 and the second battery unit 200.
Preferably, in a battery unit, the quantity of the second bipolar plates 20 is 2 or 4, and as shown in Figure 4 and Figure 5, when the second bipolar plates 20 is 2, this battery unit is made up of 3 joint monocells; As shown in Figure 6 and Figure 7, when the second bipolar plates 20 is 4, this battery unit is made up of 5 joint monocells.
Preferably, be provided with amberplex 60 in the first battery unit 100 and the second battery unit 200, amberplex 60 is arranged between adjacent positive pole liquid flow frame 40 and negative pole liquid flow frame 50; Amberplex 60 is provided with the first via 61, second via 62, the 3rd via 63 and the 4th via 64, and the first via 61 is communicated with the first positive pole inlet hole 41, second via 62 is communicated with the first negative pole inlet hole 43,3rd via 63 and the first negative pole portal and 44 to be communicated with, and the 4th via 64 and the first positive pole portal and 42 to be communicated with.
The application by arranging amberplex 60, and arranges each via on amberplex 60, can ensure this amberplex 60 of electrolyte cross.
Preferably, as shown in Fig. 8, Fig. 9 and Figure 17, in the first container cavity 45 of positive pole liquid flow frame 40 and the second container cavity 55 of negative pole liquid flow frame 50, porous electrode 70 is all installed.
In figs. 8 and 9, be embodied as the glide path of anode electrolyte, dotted line is the glide path of electrolyte liquid.
The application, can the normal work of battery unit by installing porous electrode 70 in the container cavity of positive pole liquid flow frame 40 and negative pole liquid flow frame 50.
Preferably, positive pole liquid flow frame 40 is provided with the first guiding gutter 46, and the first positive pole inlet hole 41 and the first positive pole are portalled and 42 to be all communicated with the first container cavity 45 by the first guiding gutter 46; Negative pole liquid flow frame 50 is provided with the second guiding gutter 56, and the second negative pole inlet hole 53 and the second negative pole are portalled and 54 to be all communicated with the second container cavity 55 by the second guiding gutter 56.
The application, by arranging the first guiding gutter 46 and the second guiding gutter 56, can make to ensure that electrolyte crosses positive pole liquid flow frame 40 and negative pole liquid flow frame 50.
In this application, positive pole liquid flow frame 40 is provided with the first breach 47, negative pole liquid flow frame 50 is provided with the second breach 57, first bipolar plates 10 is provided with the 3rd breach 13, second bipolar plates 20 is provided with in the 4th breach the 25, three bipolar plates 30 and is provided with the 5th breach 33, amberplex 60 is provided with the 6th breach 65, and each breach is along the axial distribution of battery unit, and each breach is arranged on the angle of same correspondence position of all parts.
Staff, can according to the mark of each breach when assembling this battery unit or battery pile, the installation direction of determining means, and then improves the installation effectiveness of battery unit or battery pile, and ensures the normal work of battery unit or battery pile.
In this application, battery unit comprises multiple monocells stacked successively, and along the flow direction of electrolyte, electrolyte is parallel flowing between each monocell.
In this application, described battery unit comprises the first stacked successively monocell, the second monocell and the 3rd monocell, and the first monocell, the second monocell are communicated with the corresponding electrolyte entrance of the 3rd monocell, the first monocell, the second monocell are communicated with the corresponding electrolyte outlet of the 3rd monocell.
Novel battery heap in the present invention can by the parallel connection and serial connection Combination Design of the electrolyte stream flowing mode of battery pile inside, greatly reduce by-pass current self discharge loss, improve the power of cell stack simultaneously, avoid the technical barrier that the design of high-power pile is brought.
The present invention proposes a kind of electrolyte to walk abreast the pile combined with serial design, by adjacent more piece monocell form an electrolyte walk abreast flowing battery unit (battery number of cell internal is adjustable), between multiple battery unit, electrolyte is serial flow, and the monocell joint number of each cell internal is consistent; In circuit structure, in the mode that monocell composition battery unit is circuit connected in series, forming battery pile with battery unit is also circuit connected in series mode, thus realize overall pile design, while effectively controlling by-pass current loss, improve battery number, pile overall power and battery pile energy efficiency.
In this application, electrolyte is parallel flowing at cell internal, and between battery unit, be serial flow.The bipolar plates of different structure, can realize the connection in series-parallel combination of electrolyte.Porous electrode material can adopt identical material, such as carbon felt, graphite felt etc.
In this application, the hollow region in the middle of each negative or positive electrode liquid flow frame, all needs the porous electrode putting into size coupling, reacts for electrolyte.As shown in figure 17, porous electrode is assemblied in negative pole half-cell, and the hollow region of negative pole liquid flow frame F just in time put into by porous electrode.In this electric pile structure, liquid flow frame and bipolar plates, be equipped with gasket seal between liquid flow frame and amberplex, and the design of sealing pad designs consistent with conventional flow cell pile.
In this application, the sum of battery pile internal cell can be odd number or even number, and the design of the pile of an odd and even number battery unit, it is different that relative position imported and exported by its electrolyte: when odd number, and electrolyte inlet and outlet are at heteropleural (with reference to pile sectional view); When even number, electrolyte inlet and outlet are at homonymy (with reference to pile sectional view).
In this application, the electrolyte guiding gutter that liquid flow frame is carved is with the Flow Field Distribution of uniform distribution electrolyte, need above-mentioned conventional seal member to enter the reaction interval of anode electrolyte with isolated electrolyte liquid between positive pole and electrolyte liquid, prevent electrolyte to pile outboard leak simultaneously.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
(1) this application provides electrolyte to walk abreast the battery unit of adjustable joint number of flowing, and between battery unit, realize the serial flow of electrolyte, significantly reduce the by-pass current loss of pile, improve energy efficiency;
(2) compact overall structure of pile, can realize the stack design of more more piece number, thus avoids the technical barrier of high-power pile (large-area sealing problem and battery number raise the by-pass current brought and lose);
(3) pile takes the inner parallel flow flowing mode of multiple batteries unit in the type of flow of electrolyte, serial flow mode between multiple batteries unit; On circuit structure, often save monocell and be all cascaded, the high voltage realizing overall pile exports, thus improves the conversion efficiency of inverter.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a battery pile, comprise multiple battery units stacked successively, it is characterized in that, in any two adjacent battery units, the electrolyte outlet at the battery unit of upstream side is communicated with the electrolyte entrance of the battery unit in downstream to make electrolyte serial flow between described multiple battery unit.
2. battery pile according to claim 1, it is characterized in that, described multiple battery unit is made up of multiple stacks of cells stacked successively, described stacks of cells comprises the first battery unit (100) and the second battery unit (200) that are disposed adjacent, the anode electrolyte outlet of described first battery unit (100) is communicated with the anode electrolyte entrance of described second battery unit (200), and the electrolyte liquid outlet of described first battery unit (100) is communicated with the electrolyte liquid entrance of described second battery unit (200).
3. battery pile according to claim 2, it is characterized in that, share first bipolar plates (10) between two adjacent stacks of cells and be communicated with the electrolyte entrance of second stacks of cells to make the corresponding electrolyte outlet of first stacks of cells; Share the 3rd bipolar plates (30) between described first battery unit (100) and described second battery unit (200) to be communicated with the electrolyte entrance of the second battery unit (200) to make the corresponding electrolyte outlet of the first battery unit (100).
4. battery pile according to claim 3, it is characterized in that, described first battery unit (100) and described second battery unit (200) include positive pole liquid flow frame (40) and negative pole liquid flow frame (50), and described positive pole liquid flow frame (40) and described negative pole liquid flow frame (50) are all folded in accordingly between described first bipolar plates (10) and described 3rd bipolar plates (30);
Described positive pole liquid flow frame (40) is provided with the first positive pole inlet hole (41), the first positive pole portals (42), the first negative pole inlet hole (43), the first negative pole portal (44) and the first container cavity (45), and described first positive pole inlet hole (41) and described first positive pole portal, (42) are all communicated with described first container cavity (45);
Described negative pole liquid flow frame (50) is provided with the second positive pole inlet hole (51), the second positive pole portals (52), the second negative pole inlet hole (53), the second negative pole portal (54) and the second container cavity (55), and described second negative pole inlet hole (53) and described second negative pole portal, (54) are all communicated with described second container cavity (55).
5. battery pile according to claim 4, it is characterized in that, described first bipolar plates (10) is provided with the first pod apertures (11) and the second pod apertures (12), described first pod apertures (11) is communicated with described second positive pole inlet hole (51), and described second pod apertures (12) is communicated with described second negative pole inlet hole (53);
Described 3rd bipolar plates (30) is provided with the 7th pod apertures (31) and the 8th pod apertures (32), described 7th pod apertures (31) and described first negative pole portal (44) be communicated with, described 8th pod apertures (32) and described first positive pole portal (42) be communicated with.
6. battery pile according to claim 4, it is characterized in that, be provided with the second bipolar plates (20) in described first battery unit (100) and described second battery unit (200), and described second bipolar plates (20) is arranged between described first bipolar plates (10) and described 3rd bipolar plates (30);
Described second bipolar plates (20) is provided with the 3rd pod apertures (21), the 4th pod apertures (22), the 5th pod apertures (23) and the 6th pod apertures (24), and described 3rd pod apertures (21) is communicated with described first positive pole inlet hole (41), described 4th pod apertures (22) is communicated with described first negative pole inlet hole (43), described 5th pod apertures (23) and described first negative pole portal (44) be communicated with, described 6th pod apertures (24) and described first positive pole portal (42) be communicated with.
7. battery pile according to claim 6, it is characterized in that, described first battery unit (100) and described second battery unit (200) include multiple described second bipolar plates (20) to make the parallel flowing of the electrolyte in described first battery unit (100) and described second battery unit (200).
8. battery pile according to claim 4, it is characterized in that, be provided with amberplex (60) in described first battery unit (100) and described second battery unit (200), described amberplex (60) is arranged between adjacent described positive pole liquid flow frame (40) and described negative pole liquid flow frame (50);
Described amberplex (60) is provided with the first via (61), the second via (62), the 3rd via (63) and the 4th via (64), and described first via (61) is communicated with described first positive pole inlet hole (41), described second via (62) is communicated with described first negative pole inlet hole (43), described 3rd via (63) and described first negative pole portal (44) be communicated with, described 4th via (64) and described first positive pole portal (42) be communicated with.
9. battery pile according to claim 4, it is characterized in that, in first container cavity (45) of described positive pole liquid flow frame (40) and second container cavity (55) of described negative pole liquid flow frame (50), porous electrode (70) is all installed.
10. battery pile according to claim 4, it is characterized in that, described positive pole liquid flow frame (40) is provided with the first guiding gutter (46), and described first positive pole inlet hole (41) and described first positive pole portal, (42) are all communicated with described first container cavity (45) by described first guiding gutter (46); Described negative pole liquid flow frame (50) is provided with the second guiding gutter (56), and described second negative pole inlet hole (53) and described second negative pole portal, (54) are all communicated with described second container cavity (55) by described second guiding gutter (56).
CN201510375315.9A 2015-06-30 2015-06-30 Voltaic pile Pending CN104953148A (en)

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CN103125040A (en) * 2010-06-29 2013-05-29 斯奎勒尔控股有限公司 Compact frameless bipolar stack for a multicell electrochemical reactor with planar bipolar electrical interconnects and internal ducting of circulation of electrolyte solutions through all respective cell compartments
CN102593491A (en) * 2012-03-14 2012-07-18 中国东方电气集团有限公司 Liquid flow cell stack and cell system comprising same

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CN110120492A (en) * 2018-02-07 2019-08-13 北京好风光储能技术有限公司 A kind of thermal balance formula bipolar battery heap
CN110120492B (en) * 2018-02-07 2021-01-26 北京好风光储能技术有限公司 Heat-equalizing bipolar battery stack

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