CN107221689A - A kind of cell panel and vanadium cell - Google Patents
A kind of cell panel and vanadium cell Download PDFInfo
- Publication number
- CN107221689A CN107221689A CN201710383218.3A CN201710383218A CN107221689A CN 107221689 A CN107221689 A CN 107221689A CN 201710383218 A CN201710383218 A CN 201710383218A CN 107221689 A CN107221689 A CN 107221689A
- Authority
- CN
- China
- Prior art keywords
- spring
- fixed structure
- rubber seal
- housing
- side plate
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0276—Sealing means characterised by their form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/18—Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
- H01M8/248—Means for compression of the fuel cell stacks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The present embodiments relate to vanadium cell technical field, a kind of cell panel and vanadium cell are disclosed.This kind of cell panel, including housing；The housing is provided with the installing port for being used for installing battery lead plate；The housing is provided with the first rubber seal along near the installing port outer ring, and first rubber seal protrudes from the surface of shell.Compared with prior art, the length of the first rubber seal selected by this cell panel is relatively short, so the cost of manufacture of the first rubber seal is reduced, so as to reduce the cost of manufacture of vanadium cell.Moreover, because the sealing range of the first rubber seal is small, the area of the ionic membrane coordinated afterwards to the first rubber seal corresponding can also be reduced, as long as ensureing that the area of ionic membrane surrounds area slightly larger than the first rubber seal, the first rubber seal is set to be fitted in ion film edge, because the price of ionic membrane is very high, therefore the area of ionic membrane is also reduced, that is, reduce the manufacturing cost of vanadium cell.
Description
Technical field
The present embodiments relate to vanadium cell technical field, more particularly to a kind of cell panel and vanadium cell.
Background technology
Flow battery plate is used for vanadium cell (whole vanadium oxide reduction battery, VRB, Vanadium Redox Battery)
In, it is that a kind of vanadium ion electrolyte with different valence state carries out redox electrochemical reaction appts, can be efficiently real
Existing mutual conversion between chemical energy and electric energy.
Specifically, it is with vanadium ion V4+/V5+And V2+/V3+As the both positive and negative polarity redox couple of battery, by both positive and negative polarity
Electrolyte is separately stored in two fluid reservoirs, and by the driving of acidproof liquid pump, active electrolyte to reacting environment is back to fluid reservoir again
Middle formation circulating fluid loop, to realize charge and discharge process.In whole vanadium redox battery energy-storage system, battery
The quality of group performance decides the charge-discharge performance of whole system, especially charge-discharge electric power.Battery pack is by multi-disc monocell
Compression is stacked successively, is in series.Battery capacity can be improved with the increase of liquid storage tank volume, and the power output of battery is then
By battery pack control, power and capacity are separate, can separate flexible design, and battery is long, can deep discharge
Without damaging battery, it has the advantages that, and power is big, capacity big, efficiency high, low cost, long lifespan, environmental protection, therefore in wind
There is good development prospect in the fields such as energy solar energy storage, ups power, peak load regulation network.
In the prior art, vanadium cell is mainly made comprising the carbon felt or graphite felt used as electrode material, as runner
Cell panel and the battery lead plate used as collector, and above-mentioned three is that connection is realized by assembling thrust,
And sealing gasket is set, to ensure that electrolyte will not be revealed.
However, for traditional liquid flow frame, its side has the positioning plane of an entirety, thus, even with
As the sealing ring of seal approach, sealing ring is more made up of expensive fluorine material.Generally, sealing ring is along cell panel housing
Edge inner ring set, because the cell panel housing length of side is longer, the length of sealing ring is also long therewith, further increases vanadium electricity
The manufacturing cost in pond.
If in addition, the sealing effectiveness of sealing ring is undesirable, the situation of leakage inside and outside battery can be caused.Work as inside battery
It during leakage, can be given off heat when battery works, and go out to separate out vanadium crystal in each runner, so as to result in blockage, influence electrolyte
Circulation, battery is paralysed.When outside batteries leakage, then electrolyte can cause environmental pollution.In the prior art, vanadium cell
Structure typically uses external spring, and its structure is set on screw rod 2 referring to Fig. 1, spring 4, the one end of spring 4 and steel construction clamping plate
1 contact, the other end of spring 4 is contacted with nut 3.When pile is assembled, spring 4 is compressed together with the component in pile, pile
Each component is compressed by spring 4.But because how no matter spring 4 compress, all in the presence of certain extendable room, spring 4 can not be by
Nut 3 is completely locked, and spring 4 is deformed, so as to cause between flow passage side plate 5, bipolar plates 6, cell panel 7 and sulfonic acid ionic membrane 8
There is the situation of seepage.If in addition, using multigroup pile assembling components, it also occur that feelings of the middle pile component to sinking
Condition, causes each component runner hole to misplace, it is easier to occurs positive and negative liquid mixing, causes occur electric discharge phenomena, cause systemic breakdown.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art there is provided a kind of cell panel and vanadium cell, can not only be avoided
Seepage, can also reduce the cost of manufacture of cell panel and vanadium cell.
In order to achieve the above object, the invention provides a kind of cell panel, including housing；
The housing is provided with the installing port for being used for installing battery lead plate；
The housing is provided with the first rubber seal, the first rubber seal protrusion along near the installing port outer ring
In the surface of shell.
Compared with prior art, the length of the first rubber seal selected by this cell panel is relatively short, so reduction
The cost of manufacture of first rubber seal, so as to reduce the cost of manufacture of vanadium cell.
Present invention also offers a kind of vanadium cell, including spring, nut, screw rod, two pieces of steel construction clamping plates, two pieces of flow passage sides
Plate, and n blocks cell panel as claimed in claim 1, n are the natural number more than or equal to 1；
The cell panel is located between the flow passage side plate；
The side of the flow passage side plate is provided with spring-fixed structure, and one end of the spring is arranged on the spring fixed knot
In structure, the other end of the spring is contacted with the one side of the steel construction clamping plate, and nut is set on screw rod, nut and steel knot
The another side contact of structure clamping plate.
The present invention compared with the existing technology, devises built-in spring structure, and spring is pressed from both sides located at flow passage side plate with steel construction
Between plate, when nut locks pile component, spring completes compression together, and such energy storage has been arrived in spring, and spring exists
Released energy in the pile assembled, and constant squeezing action is formed to pile, so that close between improving pile component
Feng Xing, it is to avoid mutual leakage；On the other hand, due to extruding force enough, it is middle when it also avoid multiple pile assembling components
Situation from pile component to sinking so that avoid due to runner hole mutually mistake and cause positive and negative liquid to interpenetrate and cause to put
Electricity.
In one embodiment, the second rubber seal is provided near edge inner ring of the housing along the housing, it is described
Second rubber seal protrudes from the surface of shell.
In one embodiment, described spring-fixed structure includes cycle spring fixed structure, inner ring spring-fixed structure
With central spring fixed structure.
In one embodiment, described cycle spring fixed structure is respectively provided on the outer ring frame of flow passage side plate, and every two
The distance between individual cycle spring fixed structure is 50-80mm, and the position of the relative cycle spring fixed structure of each two is mutual
Symmetrically.
In one embodiment, described inner ring spring-fixed structure is respectively provided at the left and right on the inside of the runner hole of flow passage side plate
Two ends.
In one embodiment, described central spring fixed structure is respectively provided on the center and diagonal of flow passage side plate.
In one embodiment, described spring-fixed structure is spring eye.
In one embodiment, in described spring, be placed in flow passage side plate inner ring pressure be less than be placed in flow passage side plate outer ring
Pressure.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of prior art；
Fig. 2 be first embodiment in cell panel structural representation；
Fig. 3 be second embodiment in vanadium cell structural representation；
Fig. 4 is the flow passage side plate modular construction schematic diagram in second embodiment.
In above-mentioned figure, 1 is steel construction clamping plate；2 be screw rod；3 be nut；4 be spring；5 be flow passage side plate；6 be bipolar plates；
7 be cell panel；8 be sulfonic acid ionic membrane；9 be runner hole；10 be cycle spring fixed structure；11 be inner ring spring-fixed structure；
Spring-fixed structure centered on 12.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
First embodiment provides a kind of cell panel, and referring to Fig. 2, the cell panel 7 includes housing；Housing, which is provided with, to be used to pacify
The installing port 71 of loading electrode plate；Housing is provided with the first rubber seal 72, the first rubber seal 72 along near installing port outer ring
Protrude from surface of shell.In present embodiment, the section of the projection of the first rubber seal is hemispherical.
By the above it is seen that, when multiple panel arrays together when, the first rubber seal, which is pressurized, makes the
A closed area is formed between one rubber seal and housing, leakage is prevented.Because the first rubber seal is along installing port outer ring
Nearby set, it is relatively low relative to the total length of the prior art for setting sealing ring along near shell rim inner ring, therefore, make
The usage amount reduction of encapsulant is obtained, so as to reduce the manufacturing cost of vanadium cell.Moreover, due to the first rubber seal
Sealing range it is small, the area of ionic membrane coordinated afterwards to the first rubber seal corresponding can also be reduced, as long as ensureing ion
The area of film surrounds area slightly larger than the first rubber seal, the first rubber seal is fitted in ion film edge i.e.
Can, because the price of ionic membrane is very high, therefore it will also be appreciated that the area of reduction ionic membrane is the manufacture for reducing vanadium cell
Cost.
What deserves to be explained is, there is the housing runner hole 75 to be used for the circulation of electrolyte, and vanadium cell is arranged on for coordinating
In.
In the present embodiment, housing is also spliced by one piece big housing 76 and two pieces of small shells 74, wherein, big housing has
Installing port 71, small shell is weldingly fixed on big housing 76 by ultrasonic, and big housing 76 and small shell 74 are integrated,
Prevent occurring the phenomenon of leakage therebetween.The splicing structure of large and small housing can be used for the installation of battery lead plate.Ultrasonic welding is profit
The body surface of two need welding is delivered to dither ripple, in the case of pressurization, makes two body surface phase mutual friction
And the fusion formed between molecular layer.In present embodiment, weld line can be set on the surface of big housing 76 and small shell 74
Road, the lines is similar to washboard lines, is inversed W-shape, it may also be said to is arranged in juxtaposition and formed by multiple triangular hills.In fusion
When, because the area of triangular hill is small, hold fusing so that the fusion performance of the structure is more preferable, the closing of large and small housing connection
Performance is also more preferable, is not in the phenomenon of leakage.
It is worthy of note that, the second rubber seal 73 is provided near edge inner ring of the housing along housing, the second rubber is close
Seal 73 protrudes from surface of shell, further to improve sealing property of the cell panel after assembly.
Second embodiment provides a kind of vanadium cell, referring to Fig. 3 and Fig. 4, it include steel construction clamping plate, screw rod, nut,
Cell panel in flow passage side plate and spring, and first embodiment, the adjacent arrangement of cell panel.It should be noted that cell panel
Quantity can be n, n is the natural number more than or equal to 1.The side of flow passage side plate 5 is provided with spring-fixed structure, spring 4
One end be arranged on spring-fixed structure in, the other end of spring 4 is contacted with the one side of steel construction clamping plate 1, and nut 3 is set in
On screw rod 2, nut 3 is contacted with the another side of steel construction clamping plate 1.
In the present invention, spring-fixed structure includes cycle spring fixed structure 10, inner ring spring-fixed structure 11 and center
Spring-fixed structure 12.
Cycle spring fixed structure 10 is respectively provided on the outer ring frame of flow passage side plate 5, each two cycle spring fixed knot
The distance between structure 10 is 50-80mm, and the position of the relative cycle spring fixed structure 10 of each two is symmetrical.Cycle spring
The spring 4 installed in fixed structure 10 is played to the overall squeezing action of pile component, so that in realizing integral sealing and avoiding
Between pile component sink.
Inner ring spring-fixed structure 11 is respectively provided at the left and right ends of the inner side of runner hole 9 of flow passage side plate 5.
The spring 4 installed in inner ring spring-fixed structure 11 plays the sealing function to runner hole 9, it is to avoid runner hole 9 it
Between electrolyte interpenetrate.
Central spring fixed structure 12 is respectively provided on the center and diagonal of flow passage side plate 5.Central spring fixed structure
The spring 4 installed in 12 plays a part of balancing extruding force, makes extruding force evenly, so that bipolar plates 6, cell panel 7 and sulphur
Acid ion film 8 is more fitted, and electrical efficiency is improved, so as to also improve pile power.Spring-fixed structure is spring eye.
Also specifically, the area of the ionic membrane in present embodiment surrounding slightly larger than the first rubber seal
Area, allows the first rubber seal to be fitted in ion film edge, and ion membrane pressurizing is fixed by the first rubber seal,
Because the price of ionic membrane is very high, therefore it will also be appreciated that the area of reduction ionic membrane is to reduce being manufactured into for vanadium cell
This.
The pressure of spring 4 is 88N-141N, and the distance of spring is directly proportional to the pressure, and coefficient is 1.76.
Spring 4 is cylinder circular cross-section material compression helical spring or cylinder square-section material compression helical spring, material
Matter is carbon spring steel or alloy spring steel.
In spring 4, the pressure for being placed in the inner ring of flow passage side plate 5 is less than the pressure for being placed in the outer ring of flow passage side plate 5.Every spring 4
The power of required storage is determined according to the size of pile sectional area and volume.
The present invention devises built-in spring structure, and spring is located between flow passage side plate and steel construction clamping plate, when nut handle
When pile component is locked, spring completes compression together, and such energy storage has been arrived in spring, and spring is released in the pile assembled
Exoergic amount, and constant squeezing action is formed to pile, so as to improve the sealing of pile component, it is to avoid interpenetrate；
On the other hand, due to extruding force enough, when it also avoid multiple pile assembling components, middle pile component is downward
Heavy situation, so that avoid causes positive and negative liquid to interpenetrate the phenomenon for causing electric discharge due to runner hole mutually mistake.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (9)
1. a kind of cell panel, it is characterised in that including housing；
The housing is provided with the installing port for being used for installing battery lead plate；
The housing is provided with the first rubber seal along near the installing port outer ring, and first rubber seal protrudes from institute
State surface of shell.
2. cell panel according to claim 1, it is characterised in that：The housing is set near the edge inner ring along the housing
There is the second rubber seal, second rubber seal protrudes from the surface of shell.
3. a kind of vanadium cell, it is characterised in that：Including spring, nut, screw rod, two pieces of steel construction clamping plates, two pieces of flow passage side plates, with
And n blocks cell panel as claimed in claim 1, n is the natural number more than or equal to 1；
Each cell panel is arranged in order and is respectively positioned between the flow passage side plate；
The side of the flow passage side plate is provided with spring-fixed structure, and one end of the spring is arranged on the spring-fixed structure
Interior, the other end of the spring is contacted with the one side of the steel construction clamping plate, and nut is set on screw rod, nut and steel construction
The another side contact of clamping plate.
4. vanadium cell according to claim 3, it is characterised in that：Described spring-fixed structure is fixed including cycle spring
Structure, inner ring spring-fixed structure and central spring fixed structure.
5. vanadium cell according to claim 4, it is characterised in that：Described cycle spring fixed structure is respectively provided at runner
On the outer ring frame of side plate, the distance between each two cycle spring fixed structure is 50-80mm, the relative outer ring bullet of each two
The position of spring fixed structure is symmetrical.
6. vanadium cell according to claim 4, it is characterised in that：Described inner ring spring-fixed structure is respectively provided at runner
Left and right ends on the inside of the runner hole of side plate.
7. vanadium cell according to claim 4, it is characterised in that：Described central spring fixed structure is respectively provided at runner
On the center and diagonal of side plate.
8. vanadium cell according to claim 3, it is characterised in that：Described spring-fixed structure is spring eye.
9. vanadium cell according to claim 3, it is characterised in that：In described spring, the pressure of flow passage side plate inner ring is placed in
Power is less than the pressure for being placed in flow passage side plate outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383218.3A CN107221689A (en) | 2017-05-26 | 2017-05-26 | A kind of cell panel and vanadium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710383218.3A CN107221689A (en) | 2017-05-26 | 2017-05-26 | A kind of cell panel and vanadium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107221689A true CN107221689A (en) | 2017-09-29 |
Family
ID=59945062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710383218.3A Pending CN107221689A (en) | 2017-05-26 | 2017-05-26 | A kind of cell panel and vanadium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107221689A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818007A (en) * | 2019-03-28 | 2019-05-28 | 无锡市锡达电子科技有限公司 | Vanadium cell sealing ring automatic assembling apparatus and assembly method |
| CN111326757A (en) * | 2018-12-14 | 2020-06-23 | 中国科学院大连化学物理研究所 | Metal seawater fuel cell stack |
| WO2023227658A1 (en) * | 2022-05-25 | 2023-11-30 | J.Schmalz Gmbh | Cell stack assembly |
-
2017
- 2017-05-26 CN CN201710383218.3A patent/CN107221689A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111326757A (en) * | 2018-12-14 | 2020-06-23 | 中国科学院大连化学物理研究所 | Metal seawater fuel cell stack |
| CN111326757B (en) * | 2018-12-14 | 2021-10-15 | 中国科学院大连化学物理研究所 | Metal seawater fuel cell stack |
| CN109818007A (en) * | 2019-03-28 | 2019-05-28 | 无锡市锡达电子科技有限公司 | Vanadium cell sealing ring automatic assembling apparatus and assembly method |
| WO2023227658A1 (en) * | 2022-05-25 | 2023-11-30 | J.Schmalz Gmbh | Cell stack assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170929 |
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| WD01 | Invention patent application deemed withdrawn after publication |