CN206497944U - Bipolar plates, flow battery and flow cell pile - Google Patents
Bipolar plates, flow battery and flow cell pile Download PDFInfo
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- CN206497944U CN206497944U CN201720060278.7U CN201720060278U CN206497944U CN 206497944 U CN206497944 U CN 206497944U CN 201720060278 U CN201720060278 U CN 201720060278U CN 206497944 U CN206497944 U CN 206497944U
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- bipolar plates
- flow
- flow battery
- electrode
- plates
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- 239000007788 liquid Substances 0.000 claims description 46
- 230000005611 electricity Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
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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
Abstract
The utility model discloses a kind of bipolar plates, flow battery and flow cell pile.Wherein, the bipolar plates are spliced by polylith pole plate, and the bipolar plates also include：At least one electrical connection module, all pole plates that electrical connection module is used to connect in two pieces of adjacent pole plates, bipolar plates are conducted by least one electrical connection module.The utility model is solved in correlation technique causes the big technical problem of difficulty of processing to increase flow battery response area.
Description
Technical field
The utility model is related to flow battery field, in particular to a kind of bipolar plates, flow battery and flow battery
Pile.
Background technology
Existing liquid stream battery stack, generally comprises more piece single-cell structure, and liquid stream battery stack is stacked tight by more piece monocell
Admittedly form.
By increasing the response area of single battery, pile cost on the one hand can be reduced, on the other hand can be reduced big
Self discharge between heap caused by connection in parallel unnecessary between pile in power system.However, with single battery response area
Increase, can increase the difficulty of processing and the intensity requirement to bipolar plates of bipolar plates., can in order to ensure the intensity requirement of bipolar plates
To increase the macromolecule component in bipolar plates, but its conductance declines, and can reduce battery performance.
Cause the big technical problem of difficulty of processing for increasing flow battery response area in correlation technique, at present
Not yet propose effective solution.
Utility model content
The utility model embodiment provides a kind of bipolar plates, flow battery and flow cell pile, at least to solve phase
Cause the big technical problem of difficulty of processing in the technology of pass in order to increase flow battery response area.
According to the one side of the utility model embodiment there is provided a kind of bipolar plates, the bipolar plates are spelled by polylith pole plate
Connect and form, the bipolar plates also include：At least one electrical connection module, electrical connection module is used to connect two pieces of adjacent pole plates, double
All pole plates in pole plate are conducted by least one electrical connection module.
Further, polylith pole plate is in the same plane.
Further, the bipolar plates are spliced by size identical polylith rectangle pole plate.
According to the another aspect of the utility model embodiment, a kind of flow battery is additionally provided, the flow battery includes this
Bipolar plates, positive pole liquid flow frame, first electrode, proton membrane, second electrode and negative pole liquid flow frame that utility model is provided, wherein, liquid
Galvanic battery is combined according to the order of bipolar plates, positive pole liquid flow frame, first electrode, proton membrane, second electrode and negative pole liquid flow frame.
Further, it is provided with positive pole liquid flow frame so that the cavity that is contacted with bipolar plates of first electrode is to conduct first
Electrode and bipolar plates.
Further, the bipolar plates are spliced by N block pole plates, and first electrode is divided into N number of region.
Further, N number of region of first electrode is contacted correspondingly with the N blocks pole plate of bipolar plates.
Further, the sky for make it that second electrode is contacted with the bipolar plates of other flow batteries is provided with negative pole liquid flow frame
Chamber is to conduct the bipolar plates of second electrode and other flow batteries.
Further, positive pole liquid flow frame and negative pole liquid flow frame are rectangle frame.
According to the another aspect of the utility model embodiment, a kind of flow cell pile is additionally provided, flow battery electricity
Heap is including at least one flow battery stacked, the flow battery that each flow battery provides for the utility model, at least one
Flow battery includes adjacent the first flow battery and the second flow battery and the negative pole liquid flow frame of the first flow battery and second
The bipolar plates contact of flow battery.
In the utility model embodiment, by being spliced into bipolar plates by polylith pole plate, two pieces of adjacent pole plates pass through energy
Enough conductive electrical connection module connections, all pole plates are conducted by least one electrical connection module, solved in correlation technique
Cause the big technical problem of difficulty of processing to increase flow battery response area, and then realize anti-in increase flow battery
Reduce the technique effect of the difficulty of processing of bipolar plates when answering area.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is a kind of schematic diagram of optional bipolar plates according to the utility model embodiment；
Fig. 2 is the schematic diagram of another optional bipolar plates according to the utility model embodiment；
Fig. 3 is the flow cell pile constituted according to a kind of optional flow battery of the utility model embodiment and by it
Side structure schematic diagram.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data used can be exchanged in the appropriate case, so that embodiment of the present utility model described herein can be with except at this
In diagram or description those beyond order implement.In addition, term " comprising " and " having " and their any deformation, meaning
Figure is to cover non-exclusive include.
This application provides a kind of embodiment of bipolar plates.
As depicted in figs. 1 and 2, the bipolar plates are spliced by polylith pole plate, and the bipolar plates are also electrically connected including at least one
Connected components, all pole plates that electrical connection module is used to connect in two pieces of adjacent pole plates, bipolar plates are electrically connected by least one
Component is conducted.Electrical connection module is using the material for being capable of conduction.The electrical conductivity of electrical connection module exceedes predetermined threshold value, to protect
Demonstrate,prove preferable electric conductivity.
Fig. 1 is a kind of schematic diagram of optional bipolar plates according to the utility model embodiment, as shown in figure 1, bipolar plates
It is divided into two regions, includes the pole plate of two pieces of rectangles, alternatively, the size of two pieces of pole plates is identical, two pole plates is in same flat
On face and adjacent, two pieces of pole plates are physically separated and connected by electrical connection module.Electrical connection module is a ribbon
Structure, it is electrically conductive.Electrical connection module can ensure that two pieces of polar plate voltages of adjacent connection are identical.
Fig. 2 is the schematic diagram of another optional bipolar plates according to the utility model embodiment, as shown in Fig. 2 bipolar
Plate is divided into four regions, includes the pole plate of four pieces of rectangles, alternatively, and the size of four pieces of pole plates is identical, and four pieces of pole plates are in same
In plane, conducted between two pieces of pole plates of adjacent connection by electrical connection module so that the pole plate of any two pieces of adjacent connections
On voltage be identical, the voltage on every piece of pole plate in the bipolar plates shown in Fig. 2 is identical.
The bipolar plates that the embodiment is provided are spliced into by polylith pole plate, and two pieces of adjacent pole plates are by that conductive can be electrically connected
Connected components are connected, and all pole plates are conducted by least one electrical connection module, solve in correlation technique in order to increase liquid
Galvanic battery response area causes the big technical problem of difficulty of processing, and then realizes and reduce when increasing flow battery response area
The technique effect of the difficulty of processing of bipolar plates.The bipolar plate design that the bipolar plates that the embodiment is provided are conducted by subregion, makes
The flow battery for the bipolar plates that must be provided using the embodiment is not improved in the requirement for meeting increase single battery response area
To bipolar plate material and the requirement of processing, meanwhile, the design that conducts of subregion pole plate reduces flow battery in high-power system
Self discharge between heap caused by unnecessary connection in parallel between pile.
Present invention also provides a kind of embodiment of flow battery.
As shown in figure 3, the flow battery is monocell, the flow battery that the embodiment is provided is implemented including the utility model
Bipolar plates, positive pole liquid flow frame, first electrode, proton membrane, second electrode and negative pole liquid flow frame that example is provided, wherein, flow battery
Combined according to the order of bipolar plates, positive pole liquid flow frame, first electrode, proton membrane, second electrode and negative pole liquid flow frame.Alternatively,
Positive pole liquid flow frame and negative pole liquid flow frame are rectangle frame.
The bipolar plate design that the flow battery that the embodiment is provided is conducted by using subregion, is meeting increase liquid stream electricity
In the requirement of pond response area, the requirement to bipolar plate material and processing is not improved, meanwhile, the design that conducts of subregion pole plate subtracts
Self discharge between the caused heap of connection in parallel unnecessary between flow cell pile in high-power system is lacked.
Alternatively, it is provided with positive pole liquid flow frame so that the cavity that is contacted with bipolar plates of first electrode is to conduct the first electricity
Pole and bipolar plates.Hollow out is to ensure that first electrode and bipolar plates have the surface contacted to realize that first is electric in the middle of positive pole liquid flow frame
Pole and bipolar plates are conducted.Alternatively, positive pole liquid flow frame is used to fix first electrode.First electrode can be fixed on positive pole liquid
In the cavity for flowing frame.
Alternatively, the cavity for make it that second electrode is contacted with the bipolar plates of other flow batteries is provided with negative pole liquid flow frame
To conduct the bipolar plates of second electrode and other flow batteries.Hollow out is to ensure in flow cell pile in the middle of negative pole liquid flow frame
After assembling, the second electrode of the flow battery with the bipolar plates of adjacent other flow batteries there is the surface contacted to realize
Second electrode is conducted with the bipolar plates of other flow batteries.Alternatively, negative pole liquid flow frame is used to fix second electrode.Second
Electrode can be fixed in the cavity of negative pole liquid flow frame.
After flow cell pile is assembled, bipolar plates are likely located at the inside of liquid flow frame, it is also possible to positioned at liquid flow frame
Outside.
Alternatively, in the flow battery that the embodiment is provided, first electrode can be divided into multiple regions, first electrode
Region quantity can be depending on the number of partitions according to bipolar plates, specifically, if bipolar plates are spliced by N block pole plates, then
First electrode can be divided into N number of region.N number of region of first electrode can correspondingly be contacted with the N blocks pole plate of bipolar plates.
Alternatively, second electrode can also be divided into multiple regions, if flow cell pile uses multiple liquid streams that the embodiment is provided
Cell stacks fastening is formed, and second electrode can also be divided into corresponding N number of region, it is possible to other liquid streams electricity with adjacent connection
N number of region of the bipolar plates in pond is contacted correspondingly.
Present invention also provides a kind of embodiment of flow cell pile.
As shown in figure 3, the flow cell pile includes at least one flow battery stacked, each flow battery is this reality
The flow battery provided with new embodiment, at least one flow battery includes the first adjacent flow battery and the second liquid stream electricity
The negative pole liquid flow frame of pond and the first flow battery is contacted with the bipolar plates of the second flow battery.It is assembled in flow cell pile
Afterwards, bipolar plates are likely located at the inside of liquid flow frame, it is also possible to positioned at the outside of liquid flow frame.
The bipolar plates that often section monocell in the flow cell pile that the embodiment is provided is conducted by using subregion are set
Meter, in the requirement for meeting increase flow battery response area, the requirement to bipolar plate material and processing is not improved, meanwhile, point
The design that conducts of area's pole plate is reduced caused by parallel connection unnecessary between flow cell pile in high-power system is coupled between heap
Self discharge.
The order of above-mentioned the embodiment of the present application does not represent the quality of embodiment.
In above-described embodiment of the application, the description to each embodiment all emphasizes particularly on different fields, and does not have in some embodiment
The part of detailed description, may refer to the associated description of other embodiment.In several embodiments provided herein, it should be appreciated that
Arrive, disclosed technology contents can be realized by another way.
Described above is only the preferred embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (10)
1. a kind of bipolar plates, it is characterised in that the bipolar plates are spliced by polylith pole plate, the bipolar plates also include：
At least one electrical connection module, the electrical connection module is used to connect the institute in two pieces of adjacent pole plates, the bipolar plates
There is pole plate to be conducted by least one described electrical connection module.
2. bipolar plates according to claim 1, it is characterised in that the polylith pole plate is in the same plane.
3. bipolar plates according to claim 2, it is characterised in that the bipolar plates are by size identical polylith rectangle pole plate
It is spliced.
4. a kind of flow battery, it is characterised in that the flow battery includes bipolar any one of claims 1 to 3
Plate, positive pole liquid flow frame, first electrode, proton membrane, second electrode and negative pole liquid flow frame, wherein, the flow battery is according to described
Bipolar plates, the positive pole liquid flow frame, the first electrode, the proton membrane, the second electrode and the negative pole liquid flow frame
Order is combined.
5. flow battery according to claim 4, it is characterised in that be provided with the positive pole liquid flow frame so that described
One electrode is with cavity that the bipolar plates are contacted to conduct the first electrode and the bipolar plates.
6. flow battery according to claim 5, it is characterised in that the bipolar plates are spliced by N block pole plates, described
First electrode is divided into N number of region.
7. flow battery according to claim 6, it is characterised in that N number of region of the first electrode with it is described bipolar
The N block pole plates of plate are contacted correspondingly.
8. flow battery according to claim 4, it is characterised in that be provided with the negative pole liquid flow frame so that described
Two electrodes are with cavity that the bipolar plates of other flow batteries are contacted to conduct the second electrode and other flow batteries
Bipolar plates.
9. flow battery according to claim 4, it is characterised in that the positive pole liquid flow frame and the negative pole liquid flow frame are
Rectangle frame.
10. a kind of flow cell pile, it is characterised in that the flow cell pile includes at least one the liquid stream electricity stacked
Pond, each flow battery is the flow battery any one of claim 4 to 9, at least one described flow battery
Include the negative pole liquid flow frame and described second of adjacent the first flow battery and the second flow battery and first flow battery
The bipolar plates contact of flow battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060278.7U CN206497944U (en) | 2017-01-16 | 2017-01-16 | Bipolar plates, flow battery and flow cell pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720060278.7U CN206497944U (en) | 2017-01-16 | 2017-01-16 | Bipolar plates, flow battery and flow cell pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206497944U true CN206497944U (en) | 2017-09-15 |
Family
ID=59802373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720060278.7U Active CN206497944U (en) | 2017-01-16 | 2017-01-16 | Bipolar plates, flow battery and flow cell pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206497944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654294A (en) * | 2017-01-16 | 2017-05-10 | 中国东方电气集团有限公司 | Bipolar plate, flow battery and flow battery stack |
| CN111082118A (en) * | 2018-10-19 | 2020-04-28 | 财团法人工业技术研究院 | Flow cell stack |
-
2017
- 2017-01-16 CN CN201720060278.7U patent/CN206497944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654294A (en) * | 2017-01-16 | 2017-05-10 | 中国东方电气集团有限公司 | Bipolar plate, flow battery and flow battery stack |
| CN111082118A (en) * | 2018-10-19 | 2020-04-28 | 财团法人工业技术研究院 | Flow cell stack |
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