CN110429307A - The pressure equaliser and method of vanadium cell fluid reservoir - Google Patents
The pressure equaliser and method of vanadium cell fluid reservoir Download PDFInfo
- Publication number
- CN110429307A CN110429307A CN201910656075.8A CN201910656075A CN110429307A CN 110429307 A CN110429307 A CN 110429307A CN 201910656075 A CN201910656075 A CN 201910656075A CN 110429307 A CN110429307 A CN 110429307A
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- fluid reservoir
- vanadium
- negative electrode
- battery negative
- pressure
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- 229910052720 vanadium Inorganic materials 0.000 title claims abstract description 130
- 239000012530 fluid Substances 0.000 title claims abstract description 126
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 45
- 239000011261 inert gas Substances 0.000 claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 description 9
- 239000007788 liquid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229910001456 vanadium ion Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- H01M8/18—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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04104—Regulation of differential pressures
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
-
- 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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04783—Pressure differences, e.g. between anode and cathode
-
- 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
Landscapes
- 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)
- Hybrid Cells (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The present invention relates to flow battery technology fields, and more specifically to the pressure equaliser and method of vanadium cell fluid reservoir, described device includes: inert gas storage device, the first admission line and the second admission line；The inert gas storage device is connected by the second admission line with vanadium battery negative electrode fluid reservoir；The vanadium battery negative electrode fluid reservoir is connected with vanadium cell anode fluid reservoir by the first admission line；The inert gas storage device, for being sent inert gas to vanadium battery negative electrode fluid reservoir by the second admission line；First admission line, for sending the gas in vanadium battery negative electrode fluid reservoir into vanadium cell anode fluid reservoir.The present invention can remain the pressure balance of vanadium cell fluid reservoir.
Description
Technical field
The present invention relates to flow battery technology fields, more specifically to the pressure equaliser of vanadium cell fluid reservoir
And method.
Background technique
All-vanadium flow battery is the core component of energy-storage system, is the carrier of electric energy and chemical energy conversion in energy-storage system,
It is mainly made of pile, electrolyte, pipeline and four part of aiding sensors.All-vanadium flow battery will have different valence state
Vanadium ion solution is separately stored in respective electrolyte storage tank respectively as the active material of anode and cathode.To battery
When carrying out charge and discharge, electrolyte is recycled the cathode chamber and cathode for flowing through battery by external fluid reservoir by the effect of pump respectively
Room, and oxidation and reduction reaction, the charge and discharge of complete battery pair occur in electrode surface.All-vanadium flow battery has safety
Well, the advantages that having extended cycle life, can be used as the supplement of power grid water-storage peak adjusting device, build in new energy access, smart grid
If the fields of grade have broad application prospects.
Electrolyte need to completely cut off air use, if exposure is in air, low price vanadium ion is easily oxidized, and capacity is caused to damage
It loses, reduces battery efficiency.In the process of running, side reaction gas can be precipitated in electrolyte, so that there are pressure for fluid reservoir
Constantly rise the risk for leading to rupture；And bubbing hydrogen ingredient, there are flammable explosive danger, therefore vanadium cell stores up
Flow container usually requires balance pressure.In addition, maintaining energy-storage system pressure balance, vanadium ion migration can be alleviated, capacity is reduced and decline
Deceleration improves battery and pipeline service life.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the drawbacks of the prior art, providing the pressure of vanadium cell fluid reservoir
Balancing device and method can remain the pressure balance of vanadium cell fluid reservoir.
The technical solution adopted by the present invention to solve the technical problems is: on the one hand, constructing the pressure of vanadium cell fluid reservoir
Balancing device, comprising: inert gas storage device, the first admission line and the second admission line；
The inert gas storage device is connected by the second admission line with vanadium battery negative electrode fluid reservoir；
The vanadium battery negative electrode fluid reservoir is connected with vanadium cell anode fluid reservoir by the first admission line；
The inert gas storage device, for being sent inert gas to vanadium battery negative electrode liquid storage by the second admission line
In tank；
First admission line, for sending the gas in vanadium battery negative electrode fluid reservoir to vanadium cell anode fluid reservoir
In.
Further, further includes: the pressure sensor inside vanadium battery negative electrode fluid reservoir is set；
The pressure sensor, for monitoring the gas pressure of vanadium battery negative electrode fluid reservoir.
Further, further includes: the outlet pipe on setting vanadium cell anode fluid reservoir；
The outlet pipe, for sending the gas of vanadium cell anode fluid reservoir to outside.
Still further, being provided with the first pump being connected with pressure sensor in first admission line；
First pump, for the gas in vanadium battery negative electrode fluid reservoir to be sucked into vanadium cell anode fluid reservoir.
Also further, the first air valve being connected with pressure sensor is additionally provided in first admission line, it is described
First air valve is arranged close to vanadium cell anode fluid reservoir, and described first pumps close to the setting of vanadium battery negative electrode fluid reservoir.
Further, the second pump being connected with pressure sensor is provided in second admission line；
Second pump, for the gas in inert gas storage device to be sucked into vanadium battery negative electrode fluid reservoir.
Preferably, it is additionally provided with the second air valve being connected with pressure sensor in second admission line, described second
Air valve is arranged close to vanadium battery negative electrode fluid reservoir, and described second pumps close to the setting of inert gas storage device.
Preferably, first air valve and the second air valve are all the air valve of one-way flow.
In the above-mentioned technical solutions, the outlet pipe is provided with filter layer in external one end.
On the other hand, the pressure balance method of vanadium cell fluid reservoir is constructed, comprising:
The gas pressure of pressure sensor monitoring vanadium battery negative electrode fluid reservoir:
When the gas pressure of vanadium battery negative electrode fluid reservoir is more than or equal to upper threshold limit, pressure sensor believes decompression
Number it is transferred to the first air valve and the first pump；
First air valve is opened, and the gas in vanadium battery negative electrode fluid reservoir is sucked into vanadium cell anode liquid storage by the first pump
In tank, until pressure sensor monitoring to vanadium battery negative electrode fluid reservoir gas pressure in threshold range when, the first air valve with
First pump is closed；
When the gas pressure of vanadium battery negative electrode fluid reservoir is less than or equal to lower threshold limit, pressure sensor believes boosting
Number it is transferred to the second air valve and the second pump；
Second air valve is opened, and the gas in inert gas storage device is sucked into vanadium battery negative electrode liquid storage by the second pump
In tank, until pressure sensor monitoring to vanadium battery negative electrode fluid reservoir gas pressure in threshold range when, the second air valve with
Second pump is closed.
In the present invention, inert gas storage device can convey inert gas, vanadium cell to vanadium battery negative electrode fluid reservoir
Cathode fluid reservoir can convey gas to vanadium cell anode fluid reservoir.When pressure sensor monitoring to vanadium battery negative electrode fluid reservoir
When pressure is more than upper threshold, pressure sensor controls the first air valve and the first pump is opened, and makes in vanadium battery negative electrode fluid reservoir
Gas is delivered to vanadium cell anode fluid reservoir by the first admission line, so that the pressure in vanadium battery negative electrode fluid reservoir can drop
It is low.When pressure sensor monitoring to vanadium battery negative electrode fluid reservoir be lower than bottom threshold when, pressure sensor control the second air valve and
Second pump is opened, and send the inert gas in inert gas storage device to vanadium battery negative electrode fluid reservoir by the second admission line
It is interior, so that the pressure in vanadium battery negative electrode fluid reservoir rises.
Implement the present invention, having the advantages that carry out pressure adjusting to positive and negative anodes fluid reservoir simultaneously, and protects negative
Pole electrolyte is not oxidized, and practicability is preferable, easy to operate.Meanwhile equipment composition is simple, convenient for promoting.Operational process environmental protection
It is pollution-free, and improve the utilization rate of inert gas.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is structural schematic diagram of the invention；
In figure: vanadium cell anode fluid reservoir 1, vanadium battery negative electrode fluid reservoir 2, the first admission line 3, the first air valve 4, outlet
Pipeline 5, pressure sensor 6, inert gas storage device 7, first pump the 8, second admission line 9, the second air valve 10, second pump
11, filter layer 12.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, the pressure equaliser of the vanadium cell fluid reservoir described in the present invention, comprising: inert gas is deposited
Storage device 7, the first admission line 3 and the second admission line 9；
The inert gas storage device 7 is connected by the second admission line 9 with vanadium battery negative electrode fluid reservoir 2；
The vanadium battery negative electrode fluid reservoir 2 is connected with vanadium cell anode fluid reservoir 1 by the first admission line 3；
The inert gas storage device 7 is stored up for being sent inert gas to vanadium battery negative electrode by the second admission line 9
In flow container 2；
First admission line 3, for sending the gas in vanadium battery negative electrode fluid reservoir 2 to vanadium cell anode fluid reservoir
In 1.
The present invention can make the pressure rise of vanadium battery negative electrode fluid reservoir 2, the first air inlet by inert gas storage device 7
Pipeline 3 can make the pressure reduction of vanadium battery negative electrode fluid reservoir 2.So as to adjust the pressure in vanadium battery negative electrode fluid reservoir 2 in real time
Power maintains its pressure in threshold range always.
The pressure equaliser of the vanadium cell fluid reservoir further include: the pressure inside vanadium battery negative electrode fluid reservoir 2 is set
Force snesor 6；
The pressure sensor 6, for monitoring the gas pressure of vanadium battery negative electrode fluid reservoir 2.
The pressure equaliser of the vanadium cell fluid reservoir further include: the escape pipe on setting vanadium cell anode fluid reservoir 1
Road 5；
The outlet pipe 5, for sending the gas of vanadium cell anode fluid reservoir 1 to outside.
The inert gas storaging device 7 is pressure cylinder.First admission line 3, the second admission line 9 and outlet pipe
5 be polymer acid and alkali-resistance material, such as: polyethylene, polypropylene, polyvinyl chloride or polytetrafluoroethylene (PTFE) material etc..
The first pump 8 being connected with pressure sensor 6 is provided in first admission line 3；
First pump 8, for the gas in vanadium battery negative electrode fluid reservoir 2 to be sucked into vanadium cell anode fluid reservoir 1.
The first air valve 4 being connected with pressure sensor 6, first air valve 4 are additionally provided in first admission line 3
It is arranged close to vanadium cell anode fluid reservoir 1, first pump 8 is arranged close to vanadium battery negative electrode fluid reservoir 2.
The second pump 11 being connected with pressure sensor 6 is provided in second admission line 9；
Second pump 11, for the gas in inert gas storage device 7 to be sucked into vanadium battery negative electrode fluid reservoir 2
It is interior.
The second air valve 10 being connected with pressure sensor 6, second air valve are additionally provided in second admission line 9
10 are arranged close to vanadium battery negative electrode fluid reservoir 2, and second pump 11 is arranged close to inert gas storage device 7.
Pressure in 6 real-time monitoring vanadium battery negative electrode fluid reservoir 2 of pressure sensor, thus in conjunction with threshold range control first
8, second air valve of the pump of air valve 4, first 10 and second pumps 11 to adjust the gas pressure in vanadium battery negative electrode fluid reservoir 2.
First air valve 4 and the second air valve 10 are all the air valve of one-way flow.
By using the air valve of one-way flow, reversed restricted effect can be carried out to gas, gas backflow is prevented, improves dress
Set pressure regulation efficiency.
The outlet pipe 5 is provided with filter layer 12 in external one end.
The filter layer 12 can remove dust and pollutant in air, prevent line clogging, influence to adjust, and prevent miscellaneous
Matter enters fluid reservoir, pollutes electrolyte.
The pressure balance method of vanadium cell fluid reservoir of the present invention, comprising:
The gas pressure of the monitoring vanadium battery negative electrode fluid reservoir 2 of pressure sensor 6:
When the gas pressure of vanadium battery negative electrode fluid reservoir 2 is more than or equal to upper threshold limit, pressure sensor 6 will be depressured
Signal is transferred to the first air valve 4 and the first pump 8；
First air valve 4 is opened, and the gas in vanadium battery negative electrode fluid reservoir 2 is sucked into vanadium cell anode by the first pump 8
In fluid reservoir 1, until when pressure sensor 6 monitors that the gas pressure of vanadium battery negative electrode fluid reservoir 2 is in threshold range, first
Air valve 4 and the first pump 8 are closed；
When the gas pressure of vanadium battery negative electrode fluid reservoir 2 is less than or equal to lower threshold limit, pressure sensor 6 will boost
Signal is transferred to the second air valve 10 and the second pump 11；
Second air valve 10 is opened, and the gas in inert gas storage device 7 is sucked into vanadium cell and born by the second pump 11
In pole fluid reservoir 2, until when pressure sensor 6 monitors that the gas pressure of vanadium battery negative electrode fluid reservoir 2 is in threshold range, the
Two air valves 10 and the second pump 11 are closed.
When normal (pressure in threshold range when) in vanadium battery negative electrode fluid reservoir 2, the first admission line 3 and second into
Air valve in feed channel 9 is completely in closed state.Electrolyte flow and fortune in all-vanadium flow battery work, in fluid reservoir
Turn, data acquisition is carried out to the air pressure in fluid reservoir by the baroceptor 6 in vanadium battery negative electrode fluid reservoir 2, when voltage
When numerical value reaches upper threshold value, signal is passed into the first air valve 4 and the first pump 8；First air valve 4 is opened, and the first pump 8 starts work
Make, the gas in vanadium battery negative electrode fluid reservoir 2 is drawn onto vanadium cell anode fluid reservoir 1.When in vanadium battery negative electrode fluid reservoir 2
When air pressure numerical value returns to normal level, the first pump 8 and the first air valve 4 are closed.
When the numerical value of 6 voltage of baroceptor reaches lower threshold value, signal is passed into the second air valve 10 and the second pump 11,
It is opened into the second air valve 10, the second pump 11 is started to work, and the gas in inert gas storaging device 7 is extracted into vanadium battery negative electrode storage
In flow container 2, when the air pressure numerical value in vanadium battery negative electrode fluid reservoir 2 returns to normal value, the second air valve 10 and the second pump 11 are closed.
The present invention can carry out pressure adjusting to positive and negative anodes fluid reservoir simultaneously, and protect electrolyte liquid not oxidized, practical
Property is preferable, easy to operate.Meanwhile equipment composition is simple, convenient for promoting.Operational process is environment friendly and pollution-free, and improves indifferent gas
The utilization rate of body.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of pressure equaliser of vanadium cell fluid reservoir characterized by comprising inert gas storage device (7), first
Admission line (3) and the second admission line (9)；
The inert gas storage device (7) is connected by the second admission line (9) with vanadium battery negative electrode fluid reservoir (2)；
The vanadium battery negative electrode fluid reservoir (2) is connected with vanadium cell anode fluid reservoir (1) by the first admission line (3)；
The inert gas storage device (7) is stored up for being sent inert gas to vanadium battery negative electrode by the second admission line (9)
In flow container (2)；
First admission line (3), for sending the gas in vanadium battery negative electrode fluid reservoir (2) to vanadium cell anode fluid reservoir
(1) in.
2. the pressure equaliser of vanadium cell fluid reservoir according to claim 1, which is characterized in that further include: setting exists
The internal pressure sensor (6) of vanadium battery negative electrode fluid reservoir (2)；
The pressure sensor (6), for monitoring the gas pressure of vanadium battery negative electrode fluid reservoir (2).
3. the pressure equaliser of vanadium cell fluid reservoir according to claim 2, which is characterized in that further include: setting vanadium
Outlet pipe (5) on anode fluid reservoir (1)；
The outlet pipe (5), for sending the gas of vanadium cell anode fluid reservoir (1) to outside.
4. the pressure equaliser of vanadium cell fluid reservoir according to claim 3, which is characterized in that first air inlet pipe
The first pump (8) being connected with pressure sensor (6) is provided in road (3)；
First pump (8), for the gas in vanadium battery negative electrode fluid reservoir (2) to be sucked into vanadium cell anode fluid reservoir (1)
It is interior.
5. the pressure equaliser of vanadium cell fluid reservoir according to claim 4, which is characterized in that first air inlet pipe
The first air valve (4) being connected with pressure sensor (6) is additionally provided in road (3), first air valve (4) is close to vanadium cell anode
Fluid reservoir (1) setting, first pump (8) are arranged close to vanadium battery negative electrode fluid reservoir (2).
6. the pressure equaliser of vanadium cell fluid reservoir according to claim 5, which is characterized in that second air inlet pipe
The second pump (11) being connected with pressure sensor (6) is provided in road (9)；
Second pump (11), for the gas in inert gas storage device (7) to be sucked into vanadium battery negative electrode fluid reservoir (2)
It is interior.
7. the pressure equaliser of vanadium cell fluid reservoir according to claim 6, which is characterized in that second air inlet pipe
The second air valve (10) being connected with pressure sensor (6) is additionally provided in road (9), second air valve (10) is negative close to vanadium cell
Pole fluid reservoir (2) setting, second pump (11) are arranged close to inert gas storage device (7).
8. the pressure equaliser of vanadium cell fluid reservoir according to claim 7, which is characterized in that first air valve
(4) and the second air valve (10) is all the air valve of one-way flow.
9. the pressure equaliser of vanadium cell fluid reservoir according to claim 8, which is characterized in that the outlet pipe
(5) filter layer (12) are provided in external one end.
10. a kind of balance method for being exclusively used in the pressure equaliser of vanadium cell fluid reservoir described in claim 8 or 9, special
Sign is, comprising:
Pressure sensor (6) monitors the gas pressure of vanadium battery negative electrode fluid reservoir (2):
When the gas pressure of vanadium battery negative electrode fluid reservoir (2) is more than or equal to upper threshold limit, pressure sensor (6) will be depressured
Signal is transferred to the first air valve (4) and the first pump (8)；
First air valve (4) is opened, and the gas in vanadium battery negative electrode fluid reservoir (2) is being sucked into vanadium cell just by the first pump (8)
In pole fluid reservoir (1), until pressure sensor (6) monitor the gas pressure of vanadium battery negative electrode fluid reservoir (2) in threshold range
When interior, the first air valve (4) and the first pump (8) are closed；
When the gas pressure of vanadium battery negative electrode fluid reservoir (2) is less than or equal to lower threshold limit, pressure sensor (6) will boost
Signal is transferred to the second air valve (10) and the second pump (11)；
Second air valve (10) is opened, and the gas in inert gas storage device (7) is sucked into vanadium cell by the second pump (11)
In cathode fluid reservoir (2), until pressure sensor (6) monitor the gas pressure of vanadium battery negative electrode fluid reservoir (2) in threshold value model
When enclosing interior, the second air valve (10) and the second pump (11) are closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656075.8A CN110429307A (en) | 2019-07-19 | 2019-07-19 | The pressure equaliser and method of vanadium cell fluid reservoir |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910656075.8A CN110429307A (en) | 2019-07-19 | 2019-07-19 | The pressure equaliser and method of vanadium cell fluid reservoir |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110429307A true CN110429307A (en) | 2019-11-08 |
Family
ID=68411227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910656075.8A Pending CN110429307A (en) | 2019-07-19 | 2019-07-19 | The pressure equaliser and method of vanadium cell fluid reservoir |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594492A (en) * | 2021-06-16 | 2021-11-02 | 东风汽车集团股份有限公司 | Fuel cell cooling system, fuel cell system, control method, and control device |
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|---|---|---|---|---|
| CN204668400U (en) * | 2015-06-12 | 2015-09-23 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of electrolysis unit of all-vanadium redox flow battery electrolyte |
| CN105428680A (en) * | 2014-09-23 | 2016-03-23 | 周汉涛 | Vanadium cell electrolyte solution storage apparatus |
| CN107195930A (en) * | 2017-06-07 | 2017-09-22 | 国网电力科学研究院武汉南瑞有限责任公司 | All-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and method |
| CN210092232U (en) * | 2019-07-19 | 2020-02-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Pressure balancing device of vanadium cell liquid storage tank |
-
2019
- 2019-07-19 CN CN201910656075.8A patent/CN110429307A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428680A (en) * | 2014-09-23 | 2016-03-23 | 周汉涛 | Vanadium cell electrolyte solution storage apparatus |
| CN204668400U (en) * | 2015-06-12 | 2015-09-23 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of electrolysis unit of all-vanadium redox flow battery electrolyte |
| CN107195930A (en) * | 2017-06-07 | 2017-09-22 | 国网电力科学研究院武汉南瑞有限责任公司 | All-vanadium flow battery energy-accumulating power station fluid reservoir gas On-line Control device and method |
| CN210092232U (en) * | 2019-07-19 | 2020-02-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Pressure balancing device of vanadium cell liquid storage tank |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113594492A (en) * | 2021-06-16 | 2021-11-02 | 东风汽车集团股份有限公司 | Fuel cell cooling system, fuel cell system, control method, and control device |
| CN113594492B (en) * | 2021-06-16 | 2022-08-09 | 东风汽车集团股份有限公司 | Fuel cell cooling system, fuel cell system, control method, and control device |
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Application publication date: 20191108 |