CN105428680B - A kind of electrolyte of vanadium redox battery storage device - Google Patents
A kind of electrolyte of vanadium redox battery storage device Download PDFInfo
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- CN105428680B CN105428680B CN201410488801.7A CN201410488801A CN105428680B CN 105428680 B CN105428680 B CN 105428680B CN 201410488801 A CN201410488801 A CN 201410488801A CN 105428680 B CN105428680 B CN 105428680B
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- electrolyte
- fluid reservoir
- air
- heat sink
- anode
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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
- Y02E60/10—Energy storage using batteries
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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 present invention relates to flow battery, especially a kind of electrolyte of vanadium redox battery storage device.The technical problem to be solved by the present invention is to：Cathode V during electrolyte of vanadium redox battery storage2+Ion is easily aoxidized；And too high or too low temperature influences electrolyte property.A kind of electrolyte of vanadium redox battery storage device, including anode electrolyte fluid reservoir and electrolyte liquid fluid reservoir, it further include an inert gas filled air-pressure balancing device in inside, air-pressure balancing device one end connects anode electrolyte fluid reservoir, the other end connects electrolyte liquid fluid reservoir, and air pressure balance and air-pressure balancing device connection are arranged an air pressure and incude control switch.The positive effect of the present invention is：The air pressure between positive and negative anodes electrolyte is balanced with inert gas balancing device, meanwhile, the V in inert gas shielding electrolyte2+Ion is not oxidized；Heat-exchanger rig ensures that electrolyte is in stationary temperature range in charge and discharge and storing process；Blender is stirred after being used for electrolyte liquid feeding.
Description
Technical field
The present invention relates to flow battery, especially a kind of electrolyte of vanadium redox battery storage device.
Background technology
Vanadium cell as in electricity generation system large-scale electric energy storage and colleges and universities' conversion equipment, for power grid peak load shifting and
Balanced load plays the role of improving electric energy supply quality and stablizes power station operation, it will by large-scale application.The electricity of vanadium cell
Solution liquid is separately stored in two fluid reservoirs, electrolyte is driven by pump to battery pile, then be back in fluid reservoir and form circulating fluid
Circuit, to realize charge and discharge process.The storage of electrolyte of vanadium redox battery and the performance of battery are closely bound up, the charge and discharge of battery and electricity
The storage of solution liquid needs to consider V in cathode fluid reservoir2+ The oxidation of ion, while being also required to consider heat in cell operation
Distribute, also damage of the low temperature to battery.The place of wind energy or solar power generation is more especially utilized, day and night temperature is too
Greatly, evening temperature seriously affects the performance of electrolyte, needs to heat electrolyte, and day temperature has very down to subzero
Height needs to radiate to electrolyte.
Invention content
The technical problem to be solved by the present invention is to：（1）Cathode V during electrolyte of vanadium redox battery storage2+ Ion is easy by oxygen
Change；（2）Electrolyte of vanadium redox battery in use temperature influence electrolyte property the problem of.
To achieve the above object, the technical scheme is that：A kind of electrolyte of vanadium redox battery storage device, including anode electricity
Solve liquid fluid reservoir and electrolyte liquid fluid reservoir, it is characterised in that：It further include an inert gas filled air pressure balance in inside
Device, described air-pressure balancing device one end connect anode electrolyte fluid reservoir, and the other end connects electrolyte liquid fluid reservoir, described
Air pressure balance and air-pressure balancing device connection are arranged an air pressure and incude control switch.During electrolyte autobalance, by
Cause to form draught head between positive and negative anodes electrolyte fluid reservoir in the migration of water.If simultaneously electrolyte liquid upper space into
Air be easy to cause vanadium ion oxidation, and it is not oxidized to be filled with inert gas shielding vanadium ion.
Further, further include a heat-exchanger rig being connected with anode electrolyte fluid reservoir, the heat-exchanger rig includes
Heat sink and the air exhausting device being attached thereto, heating device and temperature inductor, the heating device connect the row
Wind apparatus.
Further, the heat sink uses liquid heat sink, and the shell of heat sink uses corrosion resistant conjunction
Gold, heat sink are removably connected to the inside of anode electrolyte fluid reservoir.
Further, the air exhausting device connects the heat sink, is set to the top of anode electrolyte fluid reservoir.
Further, the heating device is placed in outside fluid reservoir, is connect with the air exhausting device by a utilidor.
Further, the electrolyte anode and/or cathode fluid reservoir top are all connected with and are provided with blender.
The positive effect of the present invention is shown as：（1）The present invention balances positive and negative anodes electrolysis using inert gas balancing device
Air pressure between liquid, meanwhile, the V in inert gas shielding electrolyte2+ Ion is not oxidized.（2）Anolyte storage tank connection is set
Be equipped with heat-exchanger rig, ensure that electrolyte is in stationary temperature range in charge and discharge and storing process, avoid temperature excessively high or
It is too low that electrolyte is damaged.（3）It is connected with blender at the top of electrolyte fluid reservoir, for being stirred after electrolyte liquid feeding
It mixes.
Description of the drawings
Fig. 1 is flow battery storage device structural schematic diagram.
1- electrolyte liquid fluid reservoirs；2- anode electrolyte fluid reservoirs；3- gas balance devices；4- air pressures induction control is opened
It closes；5- blenders；61- heat sinks；62- air exhausting devices；63- utilidors；64- heating devices.
Specific implementation mode
Embodiment one
As shown in Figure 1, electrolyte in charge and discharge process, due to the circulation of electrolyte, causes electrolyte positive and negative anodes liquid storage
Air pressure between tank 1,2 is different, and when pressure imbalance, air pressure induction control switch automatic 4 automatically opens, and is filled to 2 fluid reservoirs
Inert gas maintains the balance between positive and negative anodes fluid reservoir 1,2.Battery pile at work, necessarily will produce heat, temperature sense
When device senses that the temperature of electrolyte is more than the temperature of setting, start heat sink 61, and by being connected with heat sink 61
Air exhausting device 62 heat is discharged.
Embodiment two
As shown in Figure 1, when different from embodiment 1, when electrolyte stores, when outside air temperature is too low, the property of electrolyte
When can be affected, electric heater unit starts, and begins to warm up, the wind after heating is sent by utilidor 63 and air exhausting device 62
Into inside anode electrolyte fluid reservoir 2.
Claims (1)
1. a kind of electrolyte of vanadium redox battery storage device, including anode electrolyte fluid reservoir and electrolyte liquid fluid reservoir, feature
It is：Further include an inert gas filled air-pressure balancing device in inside, air-pressure balancing device one end connection anode electricity
Liquid fluid reservoir is solved, the other end connects electrolyte liquid fluid reservoir, and the air-pressure balancing device connection is arranged an air pressure and incudes control
System switch；
Further include a heat-exchanger rig being connected with anode electrolyte fluid reservoir, the heat-exchanger rig include heat sink and with
Connected air exhausting device, heating device and temperature inductor, the heating device connect the air exhausting device；
The heat sink uses liquid heat sink, and the shell of heat sink uses corrosion resistant alloy, and heat sink can
Dismantling connection is in the inside of anode electrolyte fluid reservoir；
The air exhausting device connects the heat sink, is set to the top of anode electrolyte fluid reservoir；
The heating device is placed in outside anode electrolyte fluid reservoir, is connect with the air exhausting device by a utilidor；
It is connected with blender at the top of the anode and/or electrolyte liquid fluid reservoir；
Electrolyte is in charge and discharge process, due to the circulation of electrolyte, causes air pressure between positive and negative electrode electrolyte fluid reservoir not
Together, when pressure imbalance, air pressure induction control switch automatically opens, and to 2 fluid reservoir filling with inert gas, maintains positive and negative electrode electricity
The balance between liquid fluid reservoir is solved, battery pile at work, necessarily will produce heat, and temperature inductor senses the temperature of electrolyte
When degree is more than the temperature set, start heat sink, and the air exhausting device by being connected with heat sink discharges heat；
When electrolyte stores, when outside air temperature is too low, when the performance of electrolyte can be affected, heating device starts, and starts
Heating, the wind after heating are sent by utilidor and air exhausting device inside anode electrolyte fluid reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488801.7A CN105428680B (en) | 2014-09-23 | 2014-09-23 | A kind of electrolyte of vanadium redox battery storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488801.7A CN105428680B (en) | 2014-09-23 | 2014-09-23 | A kind of electrolyte of vanadium redox battery storage device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105428680A CN105428680A (en) | 2016-03-23 |
| CN105428680B true CN105428680B (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410488801.7A Active CN105428680B (en) | 2014-09-23 | 2014-09-23 | A kind of electrolyte of vanadium redox battery storage device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248879B (en) * | 2016-08-05 | 2018-10-09 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of gas online test method for all-vanadium flow battery fluid reservoir |
| CN106654078A (en) * | 2017-02-07 | 2017-05-10 | 安徽浙科智创新能源科技有限公司 | Convenient-to-integrate vanadium battery electrolyte storage device |
| CN108598529B (en) * | 2018-05-08 | 2020-06-09 | 湖南钒谷新能源技术有限公司 | Pressure balancing device for positive and negative electrode systems of all-vanadium redox flow battery |
| CN110429307A (en) * | 2019-07-19 | 2019-11-08 | 国网电力科学研究院武汉南瑞有限责任公司 | The pressure equaliser and method of vanadium cell fluid reservoir |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110830A (en) * | 2011-01-26 | 2011-06-29 | 上海林洋储能科技有限公司 | Volume heat exchange equipment for flow battery |
| CN102306815A (en) * | 2011-08-24 | 2012-01-04 | 中国东方电气集团有限公司 | Liquid flow cell system |
| CN202352772U (en) * | 2011-12-09 | 2012-07-25 | 中国东方电气集团有限公司 | Flow battery system |
| CN103000922A (en) * | 2012-12-10 | 2013-03-27 | 青海百能汇通新能源科技有限公司 | Electrolyte storage tank integrated with heat exchange function and control method thereof |
| CN202996968U (en) * | 2012-12-25 | 2013-06-12 | 中国东方电气集团有限公司 | Storage system for vanadium battery electrolyte |
-
2014
- 2014-09-23 CN CN201410488801.7A patent/CN105428680B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110830A (en) * | 2011-01-26 | 2011-06-29 | 上海林洋储能科技有限公司 | Volume heat exchange equipment for flow battery |
| CN102306815A (en) * | 2011-08-24 | 2012-01-04 | 中国东方电气集团有限公司 | Liquid flow cell system |
| CN202352772U (en) * | 2011-12-09 | 2012-07-25 | 中国东方电气集团有限公司 | Flow battery system |
| CN103000922A (en) * | 2012-12-10 | 2013-03-27 | 青海百能汇通新能源科技有限公司 | Electrolyte storage tank integrated with heat exchange function and control method thereof |
| CN202996968U (en) * | 2012-12-25 | 2013-06-12 | 中国东方电气集团有限公司 | Storage system for vanadium battery electrolyte |
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| CN105428680A (en) | 2016-03-23 |
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Effective date of registration: 20180822 Address after: 210031 room 263, A 606, Ning six road, Ge Tang street, Jiangbei new district, Nanjing, Jiangsu, China Applicant after: Nanjing Tao Bo Energy Technology Co., Ltd. Applicant after: Jiangsu Sonergy Electronic Technology Co., Ltd. Address before: 212000 No. 36, four South Road, Zhenjiang, Jiangsu. Applicant before: Zhou Hantao |
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