CN206301881U - Static vanadium cell system - Google Patents
Static vanadium cell system Download PDFInfo
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- CN206301881U CN206301881U CN201621472584.3U CN201621472584U CN206301881U CN 206301881 U CN206301881 U CN 206301881U CN 201621472584 U CN201621472584 U CN 201621472584U CN 206301881 U CN206301881 U CN 206301881U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The utility model is related to a kind of static vanadium cell system,Its multiple cell unit for including series connection,Each cell unit includes two battery sheet frames,Collector,Electrode material,Electrolyte,Seal assembly,Barrier film,Two battery sheet frames are arranged side by side,Two outsides of battery sheet frame arranged side by side are collector,And the side of collector and battery sheet frame is bonded together,Barrier film is provided between two battery sheet frames,Wrapped up by seal assembly barrier film both sides,Seal assembly is connected with battery sheet frame opposite side,Electrode material is in cell panel inframe side chamber body,Electrolyte is uniformly distributed on electrode material,And in outermost by outer end plate and fastener fit sealing,Wherein battery plus-negative plate ear is in the collector side of outermost series-connected cell monomer,And closely connection therewith,The outside of positive and negative lug is outer end plate,There are both positive and negative polarity exhaust passage and liquid injection hole in each battery framework,Outer end plate is provided with the safety valve of portion both positive and negative polarity exhaust passage in UNICOM's battery frame body.
Description
Technical field
The utility model is related to high energy gel state vanadium cell preparation field, more particularly to a kind of static vanadium cell system.
Background technology
All-vanadium flow battery, is that a kind of active material is in the redox cell for circulating liquid.Vanadium cell electric energy with
In the sulfuric acid electrolyte of different valence state vanadium ion, in charge and discharge process, electrolyte is pressed into by external pump by battery from fluid reservoir
In heap body, conducted by the electronics in cell stack, realize the mutual conversion of chemical energy and electric energy.All-vanadium flow battery discharge and recharge
When empty phase change, battery is long；Charge-discharge performance is good, can deep discharge, self discharge is low；Energy efficiency is high, starts
The series of advantages such as speed is fast.Therefore vanadium flow battery can be widely used in wind light generation energy storage, peak load regulation network etc..Prior art
Middle all-vanadium flow battery (hereinafter referred to as vanadium dynamic battery) energy density is low, about 24Wh/kg, and structure is cumbersome, transmit electrolysis
Liquid pump needs extra consumed energy, and the consumption of general pump accounts for the 5-7% of whole system energy, and lasting liquid is flowed to close
Envelope, safety etc. require it is higher system is monitored, it is necessary to install the sensors such as pressure additional, largely increased system into
This, while so that the volume of system is larger.In some similar remote districts, the ground such as isolated island, using being greatly affected.
High energy gel static vanadium cell is a kind of new energy storaging product, it is not necessary to needed for similar tradition liquid stream vanadium cell
Induction system and storage tank etc..Contain high vanadium concentrations ion and stabilizer in high energy gel static vanadium cell.High energy gel is static
Compared with traditional vanadium flow battery, electrolyte illiquidity eliminates pile and there is the potential safety hazard of leakage, eliminates vanadium cell
The use of pump and storage tank, reduces cost, does not need complicated runner design etc., simplifies processing and safeguards, reduces side
Road electric current and useless energy loss, can be used for low-speed electronic car, solar energy storage, wind energy energy storage, UPS, communication base station, power network
The market application aspect of the fields such as peak regulation and lead-acid battery is alternative.
High energy gel static vanadium cell uses high-concentration vanadium electrolyte, inherently the energy density of raising battery, and vanadium
Dynamic battery increases capacity simply by the volume for increasing electrolyte, and its simple structure is readily transported and moves, it is not necessary to be defeated
System is sent, there is no additional energy to consume, improve conversion efficiency, reduce the cost of whole system.Static vanadium cell relative to
For lead-acid battery, its specific energy is high, lightweight, energy deep discharge, and produces and use process non-environmental-pollution；Relative to lithium
For battery, its price is low, using safety, simple system easy care etc..
Existing static vanadium cell structure is a simple single-cell structure (Chinese patent CN02156229), is not had
Exploitation is designed to cell sealing, how electrolyte industrializes and also do not have in addition battery in the assembling process for battery
Illustrate.Simultaneously relative to flow battery, static vanadium cell structure also has very big change, and prior art is not carried out in detail to it
Thin research.
Utility model content
The purpose of this utility model is for static high-energy vanadium cell, there is provided a kind of vanadium cell structure and battery are assembled
Technique, the structure can guarantee that battery integrally assembles tightness, battery each independent fluid injection of framework electrolyte, and by structure design
Prevent from being gone here and there between single lattice in charge and discharge process the problem of electrolyte outflow in liquid and charging process.
The utility model is related to a kind of static vanadium cell system, and it is in series by multiple cell units, each monomer
Battery unit includes two battery sheet frames, collector, electrode material, electrolyte, seal assembly, barrier films, and two battery sheet frames are simultaneously
Row, two outsides of battery sheet frame arranged side by side are collector, and the side (outside) of collector and battery sheet frame is bonded together,
Barrier film is provided between two battery sheet frames, barrier film both sides are by seal assembly (gasket seal) parcel, seal assembly and battery sheet frame
Opposite side (inner side) is connected, and electrode material is in cell panel inframe side chamber body, and electrolyte is uniformly distributed on electrode material, electricity
Pond monomeric unit connects to form entirety, and in outermost by outer end plate and fastener fit sealing, wherein at battery plus-negative plate ear
In the collector side of outermost series-connected cell monomer, and closely connection therewith, the outside of positive and negative lug is outer end plate, each electricity
There are both positive and negative polarity exhaust passage and liquid injection hole in the framework of pond, outer end plate is provided with portion both positive and negative polarity exhaust passage in UNICOM's battery frame body
Safety valve, wherein, cell panel inframe is without liquid fluid system pipeline.
The width of battery sheet frame frame is 5-40mm, preferably 5-20mm.
Further, it is 1.25V that each monomer battery voltage is constant, and cell unit is increased and decreased according to actual application environment
Number (usually 5-20, preferably 8-15).
Be transmitted to the electric current that collector is collected on external loading by positive and negative lug.
Outer end plate plays fastening support at battery two ends, and material can be using the insulation high score such as ABS, PP, PVC, bakelite plate
Hollow out design can be carried out in the middle of sub- material, end plate to mitigate battery overall weight.There is the exhaust of connection battery framework on outer end plate
Hole path, steam vent is sealed on outer end plate with safety valve.
Further, battery sheet frame, main to play connection collector and barrier film, while carrying the framework of electrolyte, material can
Manufactured using the corrosion macromolecular material such as ABS, PP plastics, PVC, have both positive and negative polarity exhaust passage and fluid injection in each battery framework
Hole, steam vent is located at sheet frame inner side, and each independent connection of both positive and negative polarity steam vent connects battery compartment and relief valve port, and be vented
Hole side battery internal cavity upper design has independent space, prevents from being charged when completely because of battery, because side reaction etc. causes what is produced
A small amount of gas takes electrolyte out of；Liquid injection hole design in cell panel inframe side leptoprosopy, in battery liquid-filling, electrolysis liquid energy quickly from
The near-end of electrode material flows to distal end so that electrolysis liquid energy is uniformly distributed in battery inner side, it is to avoid electrolyte is in electrode material
Dispersion is uneven.
Further, electrolyte be gel state electrolyte, wherein vanadium active material for 3.0-7.0M 3.5 valence state vanadium from
Son；The acidity of sulfuric acid is between 3.0-6.0M, and admixture is conductive and active material dispersant (such as 5-10wt%, such as polypropylene
Sodium sulfonate, ethylaminoethanol or ethylene glycol) so that electrolyte has good reactivity and charge-discharge performance.
Collector plays collected current, prevents from going here and there between cell negative terminal the effect such as liquid, and it can be using graphite cake, conductive modeling
Prepared by material, composite conducting material etc., positive and negative collector is embedded in cell panel inframe between two battery sheet frames.
Further, safety valve, on cell outer end plate, UNICOM's battery frame body internal exhaust passages, both positive and negative polarity exhaust
Passage connects a safety valve respectively, the valve body with filtrate piece and energy regulating cell air pressure inside, it is ensured that the water in battery steams
Gas does not discharge battery, prevents battery dehydration.
The utility model is additionally provided with the assembly method of static vanadium cell system, and the method includes：
(A) cell unit is assembled：Formed includes collector, battery framework, gasket seal, barrier film, sealing gasket successively
Piece, battery framework, the cell unit of collector；(B) by multiple cell units side by side, in multiple monomers electricity arranged side by side
The two ends of pool unit set positive and negative lug and place outer end plate, and are fastened with screw rod；
(C) by electrolyte with pumping into or vacuumizing mode from liquid injection port addition battery, electrolyte is added after finishing, note
Fluid apertures is blocked with plug, and the steam vent on outer end plate is sealed with safety valve；
(D) discharge and recharge is carried out to battery and is detected.
The utility model is assembled into battery by by components above, improves assembling and the injection process of battery, battery dress
With rear good airproof performance, dehydration is few, and battery capacity is high, and deep discharge has extended cycle life, the features such as good environmental adaptability.
The utility model static vanadium cell reaction principle：(VO2)++V2++2H+→(VO)2++V3++H2O.
Advantage of the present utility model
After static vanadium cell electrolyte of the present utility model adds battery, storage and gel on electrode material, without picture
Flow battery equally needs external pump to add electrolyte, reduces external equipment.Compared with traditional static vanadium cell, nothing in sheet frame
Liquid fluid system pipeline, sheet frame frame is narrower, and structure is simpler compact, while increased outside safety valve.It is of the present utility model
Battery has battery capacity high, the advantage that deep discharge has extended cycle life.
Brief description of the drawings
Fig. 1 is static vanadium cell structure chart；
Fig. 2 is static vanadium cell decomposed structure chart；
Fig. 3 is battery entirety sectional structure chart；
Fig. 4 is battery cell sectional structure chart；
Fig. 5 is battery framework structure chart；
Fig. 6 is the capacitance-voltage curves figure of battery；
M- voltage pattern when Fig. 7 is battery charging and discharging.
1：Outer end plate, 2：Positive and negative metal tabs, 3：Battery sheet frame (or battery framework), 4：Barrier film, 5：Gasket seal, 6：Collection
Fluid, 7：Electrode material, 8：Safety valve, 9：Battery framework liquid injection port plug, 10：Locking nut, 11：Tie down screw, 12：Gas-liquid
Separated space, 13：Both positive and negative polarity exhaust passage (steam vent), 14：Liquid injection hole.
Specific embodiment
The utility model is related to a kind of static vanadium cell system, and as Figure 1-5, it is connected by multiple cell units
Constitute, each cell unit includes two battery sheet frames 3, collector 6, electrode material 7, electrolyte, seal assembly (sealing gaskets
Piece) 5, barrier film 4, side by side, two outsides of battery sheet frame 3 arranged side by side are collector 6, and collector 6 and electricity for two battery sheet frames 3
The side (outside) of pond sheet frame 3 is bonded (use for example acid silicone adhesive of binding agent or other acid proof soft glues) one
Rise, barrier film 4 is provided between two battery sheet frames 3, barrier film both sides are by the parcel of seal assembly (gasket seal) 5, seal assembly 5 and electricity
The opposite side of pond sheet frame 3 (inner side) is connected, and electrode material 7 is in cell panel inframe side chamber body, and electrolyte is uniformly distributed in electrode
On material 7, multiple battery cell units connect to form entirety, and outermost by outer end plate 1 and fastener (locking nut 10,
Tie down screw 11) fit sealing, wherein collector side of the battery plus-negative plate ear 2 in outermost series connection monomer battery unit,
And closely connection therewith, the outside of positive and negative lug 2 is outer end plate 1, there is both positive and negative polarity exhaust passage 13 and note in each battery framework
Fluid apertures 14, outer end plate is provided with the safety valve 8 of portion both positive and negative polarity exhaust passage in UNICOM's battery frame body, wherein, cell panel inframe without
Liquid fluid system pipeline.Liquid injection hole 14 is blocked with battery framework liquid injection port plug 9.
The width of battery sheet frame frame is 5-40mm, preferably 5-20mm.
As shown in figure 5, having both positive and negative polarity exhaust passage 13 and liquid injection hole 14 on battery sheet frame, steam vent 13 is located in sheet frame
Side, each independent connection of both positive and negative polarity steam vent connects battery compartment and relief valve port, and steam vent side battery internal cavity top
Independent space is designed with, prevents from being charged when completely because of battery, because side reaction etc. causes a small amount of gas for producing to take electrolyte out of；Note
Fluid apertures 14 is designed in cell panel inframe side leptoprosopy, and in battery liquid-filling, electrolysis liquid energy is quickly flowed to from the near-end of electrode material
Distal end so that electrolysis liquid energy is uniformly distributed in battery inner side, it is to avoid electrolyte disperses inequality in electrode material.
Further, it is 1.25V that each monomer battery voltage is constant, and cell unit is increased and decreased according to actual application environment
Number (usually 5-20, preferably 8-15).
Embodiment 1
As shown in figure 1, being formed include successively collector 6, battery framework 3, gasket seal 5, barrier film 4, gasket seal 5, electricity
The cell unit of pond framework 3, collector 6；(B) by multiple cell units side by side, in multiple cells arranged side by side
The two ends of unit set positive and negative lug 2 and place outer end plate 1, and are fastened with tie down screw 11；By electrolyte with the mode that pumps into from
Liquid injection port is added in battery, and electrolyte is added after finishing, and liquid injection hole 14 is blocked with battery framework liquid injection port plug 9, on outer end plate 1
Steam vent 13 sealed with safety valve 8；Discharge and recharge is carried out to battery and is detected.
Electrolyte is configured as follows：In the electrolytic solution (the 3.5 valency electrolyte of 5M/L, its acidity be 4M/L) add 4% point
Powder, stirs, and forms uniform system, and the electrolyte that will have been configured with pump is pumped into battery, static vanadium cell is entered
Row charge-discharge test：Constant current constant voltage fills, and constant current is put.
Wherein, battery capacitance-voltage curves figure as shown in fig. 6, during battery charging and discharging m- voltage pattern as shown in fig. 7, by
This can be seen that battery of the present utility model has battery capacity high, the advantage that deep discharge has extended cycle life.
Claims (7)
1. a kind of static vanadium cell system, it is in series by multiple cell units, and each cell unit includes two
Battery sheet frame, collector, electrode material, electrolyte, seal assembly, barrier film, two battery sheet frames, two batteries arranged side by side, arranged side by side
The outside of sheet frame is collector, and the side of collector and battery sheet frame is bonded together, be provided between two battery sheet frames every
Film, barrier film both sides are wrapped up by seal assembly, and seal assembly is connected with battery sheet frame opposite side, and electrode material is in cell panel inframe
In side chamber body, electrolyte is uniformly distributed on electrode material, and battery cell unit connects to form entirety, and in outermost by outer end
Plate and fastener fit sealing, wherein battery plus-negative plate ear are in the collector side of outermost series-connected cell monomer, and therewith
Closely connection, the outside of positive and negative lug is outer end plate, has both positive and negative polarity exhaust passage and liquid injection hole, outer end plate in each battery framework
The safety valve of portion both positive and negative polarity exhaust passage in UNICOM's battery frame body is provided with, wherein, cell panel inframe is without liquid fluid system pipeline.
2. static vanadium cell system according to claim 1, wherein, the width of battery sheet frame frame is 5-40mm.
3. static vanadium cell system according to claim 1, wherein, the width of battery sheet frame frame is 5-20mm.
4. the static vanadium cell system according to any one of claim 1-3, wherein, there is both positive and negative polarity in each battery framework
Exhaust passage and liquid injection hole, both positive and negative polarity exhaust passage are located at sheet frame inner side, and each individually connection, connects battery compartment and safety valve
Mouthful, and steam vent side battery internal cavity upper design has independent space.
5. static vanadium cell system according to claim 4, wherein, liquid injection hole design in cell panel inframe side leptoprosopy,
During battery liquid-filling, electrolysis liquid energy quickly flows to distal end from the near-end of electrode material so that electrolysis liquid energy is uniformly distributed in battery
Inner side, it is to avoid electrolyte disperses inequality in electrode material.
6. static vanadium cell system according to claim 1, wherein, electrolyte is gel state electrolyte.
7. static vanadium cell system according to claim 1, wherein, safety valve is located on cell outer end plate, UNICOM's battery
Framework inside both positive and negative polarity exhaust passage, both positive and negative polarity exhaust passage connects a safety valve respectively, with filtrate piece and can adjust electricity
The valve body of pond air pressure inside, it is ensured that the vapor in battery does not discharge battery, prevents battery dehydration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472584.3U CN206301881U (en) | 2016-12-30 | 2016-12-30 | Static vanadium cell system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472584.3U CN206301881U (en) | 2016-12-30 | 2016-12-30 | Static vanadium cell system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301881U true CN206301881U (en) | 2017-07-04 |
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ID=59205179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472584.3U Active CN206301881U (en) | 2016-12-30 | 2016-12-30 | Static vanadium cell system |
Country Status (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281684A (en) * | 2016-12-30 | 2018-07-13 | 湖南汇锋高新能源有限公司 | A kind of static vanadium cell system |
| CN110444727A (en) * | 2018-05-02 | 2019-11-12 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
| CN113782843A (en) * | 2021-09-07 | 2021-12-10 | 北京阳光鸿志电气工程技术有限公司 | Preparation method of solid vanadium battery and obtained solid vanadium battery |
-
2016
- 2016-12-30 CN CN201621472584.3U patent/CN206301881U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108281684A (en) * | 2016-12-30 | 2018-07-13 | 湖南汇锋高新能源有限公司 | A kind of static vanadium cell system |
| CN110444727A (en) * | 2018-05-02 | 2019-11-12 | 北京好风光储能技术有限公司 | A kind of bipolar battery heap |
| CN113782843A (en) * | 2021-09-07 | 2021-12-10 | 北京阳光鸿志电气工程技术有限公司 | Preparation method of solid vanadium battery and obtained solid vanadium battery |
| CN113782843B (en) * | 2021-09-07 | 2024-01-05 | 北京阳光鸿志电气工程技术有限公司 | Preparation method of solid vanadium battery and obtained solid vanadium battery |
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Denomination of utility model: A kind of static vanadium cell system Effective date of registration: 20180802 Granted publication date: 20170704 Pledgee: Hunan SME credit Company Limited by Guarantee Pledgor: HUNAN HUIFENG HIGH NEW ENERGY CO., LTD. Registration number: 2018430000051 |