CN104716392B - A kind of flow battery structure - Google Patents
A kind of flow battery structure Download PDFInfo
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- CN104716392B CN104716392B CN201310694102.3A CN201310694102A CN104716392B CN 104716392 B CN104716392 B CN 104716392B CN 201310694102 A CN201310694102 A CN 201310694102A CN 104716392 B CN104716392 B CN 104716392B
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- 239000003792 electrolyte Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 16
- 229910052720 vanadium Inorganic materials 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 239000007772 electrode material Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- 229910007567 Zn-Ni Inorganic materials 0.000 claims description 2
- 229910007614 Zn—Ni Inorganic materials 0.000 claims description 2
- ZRXYMHTYEQQBLN-UHFFFAOYSA-N [Br].[Zn] Chemical compound [Br].[Zn] ZRXYMHTYEQQBLN-UHFFFAOYSA-N 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 238000005341 cation exchange Methods 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 239000005060 rubber Substances 0.000 claims description 2
- HYHCSLBZRBJJCH-UHFFFAOYSA-N sodium polysulfide Chemical compound [Na+].S HYHCSLBZRBJJCH-UHFFFAOYSA-N 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims 1
- 238000012856 packing Methods 0.000 claims 1
- 230000010287 polarization Effects 0.000 description 12
- 238000004146 energy storage Methods 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000004913 activation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000003011 anion exchange membrane Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- -1 electrode Substances 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
- H01M4/96—Carbon-based electrodes
-
- 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
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to a kind of flow battery structures, including bipolar plates, gasket, electrode, diaphragm, electrode, gasket, the bipolar plates overlapped successively, and the flow battery does not include electrode frame, and electrolyte channel is arranged in bipolar plates, interpolar between bipolar plates away from（Thickness without bipolar plates）For 0.5~5mm.This kind of battery structure is using smaller interpolar away from the bulk resistance of electrode and electrolyte being reduced, to reduce the ohmic internal resistance of flow battery.The present invention improves the energy efficiency and voltage efficiency of flow battery, to which its working current density can be improved under the premise of ensureing that energy efficiency is constant, and then improves the power density of flow battery.
Description
Technical field
The present invention relates to the flow battery fields in chemical energy storage technology, more particularly to the battery knot of all-vanadium flow battery
Structure.
Background technology
All-vanadium flow battery is because it is mutual indepedent with output power and capacity, system flexible design；Energy efficiency is high, the longevity
Life length, operation stability and reliability are high, and self discharge is low；Addressing degree of freedom is big, and simply, operation cost is low for pollution-free, maintenance, peace
The advantages that property is high entirely has vast potential for future development in terms of scale energy storage, it is considered to be it is renewable to solve solar energy, wind energy etc.
The effective ways of energy electricity generation system randomness and intermittent unstable state feature, in renewable energy power generation and intelligent grid construction
In have great demand.
Currently, it is exactly of high cost to restrict the commercialized major limitation of all-vanadium flow battery.Battery cost is reduced, is mainly had
Two approach, first, reducing the cost of the materials such as its critical material such as electrode, film, bipolar plates；First, the power for improving battery is close
Degree, reduces the cost of whole system.Moreover, the raising of power density can also reduce floor space and the space of energy-storage system,
The mobility for improving its adaptive capacity to environment and system extends the application field of flow battery.And to improve flow battery
Power density is typically realized by improving its working current density.In addition, in scale stored energy application, flow battery
Energy efficiency is to weigh one of the key index of the battery practicability.Usually, the criterion that battery can be practical is defined as battery
Energy efficiency is higher than 80%.Therefore, improve flow battery working current density to establish ensure its energy efficiency be not less than
Under the premise of 80%.
The working current density of flow battery operation at present is relatively low（<100mA/cm2）, only Proton Exchange Membrane Fuel Cells
/ 10th of working current density cause battery module volume big, and materials demand amount is big, of high cost.Due to all-vanadium flow electricity
The current efficiency in pond increases with the raising of working current density, therefore improves the working current density of battery only need will be electric
Pressure efficiency is maintained at a higher value, i.e., reduces battery polarization as much as possible, reduces voltage loss.Influence voltage efficiency
Polarization mainly include ohmic polarization, activation polarization and concentration polarization.
Mainly have for the method for reducing battery polarization in current published patent document：
（1）Metallization or oxidation modification processing are carried out to electrode material such as graphite felt, carbon paper etc., modified in carbon fiber surface
Upper metal ion or oxygen-containing functional group improve the electro catalytic activity of electrode, reduce the activation polarization of battery, such as patent CN
The method that electrochemical oxidation is carried out to graphite felt disclosed in 101465417A and CN 101182678A.But this kind of method is
The activation polarization for reducing battery, the ohmic polarization to reducing battery do not help.And the reduction of ohmic polarization is for improving
It is more important for the working current density of battery, because activation polarization is directly proportional to the logarithm of electric current, and ohmic voltage drop
It is then directly proportional with the size of electric current.Therefore, with the raising of working current density, the influence of battery ohmic internal resistance can increasingly
Greatly.
（2）Research and develop electrode and the integrated combination electrode of bipolar plates, i.e. integrated pole dual-pole board reduces electricity
Contact resistance between the bipolar plates of pole.As disclosed in CN 101009376A, bipolar plates and porous electrode are passed through into conductive bond material
Material is bonded together to form integrated pole dual-pole board.However, the ohmic internal resistance of all-vanadium flow battery includes mainly electrode, bipolar
Contact resistance between plate, electrolyte and the bulk resistance and electrode and bipolar plates of diaphragm.It is double that this method only reduces electrode
Contact resistance between pole plate, the bulk resistance on accounting for the larger electrode of internal resistance of cell proportion and electrolyte have no influence, therefore right
In the raising limitation of voltage efficiency and energy efficiency.
Currently, the structure of flow battery is as shown in Figure 1, generally include cell end plate, bipolar plates, gasket, electrode frame, electricity
Pole and diaphragm, electrolyte channel are generally located in electrode frame, therefore electrode frame is caused to have certain thickness, along with electricity
Pole frame both sides will place gasket to keep sealing, and cause thickness of electrode too thick, generally will be in 5mm or more.This structure
Consequence to be exactly electrode will select thicker carbon felt or graphite felt, the electricity for leading to electrode body resistance and being stored in porous electrode
It is all bigger than normal to solve liquid resistance, it is excessive to thereby result in ohmic polarization, and higher energy efficiency can not be kept under high working current density.
Invention content
The present invention is directed to reduce the ohmic internal resistance of flow battery by the design of battery structure, the work electricity of battery is improved
Current density, to achieve the purpose that improve cell power density.
To achieve the above object, the technical solution adopted by the present invention is as follows,
A kind of flow battery structure, including the bipolar plates, gasket, electrode, diaphragm, electrode, gasket, double that overlap successively
Pole plate, the flow battery do not include electrode frame, and electrolyte channel is arranged in bipolar plates, interpolar between bipolar plates away from（No
Thickness containing bipolar plates）For 0.5~5mm.
The battery structure of the present invention is illustrated with reference to Fig. 2.
As shown in Fig. 2, the high power density flow battery structure of the present invention includes cell end plate 1, bipolar plates 2, gasket
3, electrode 5 and diaphragm 6, gasket 3 plays a part of to seal simultaneously and fixed electrode position, the bipolar plate surfaces need to process snake
Shape and interdigital runner are conducive to the circulation of electrolyte as shown in figure 3, to reduce electrolyte flow resistance.
Wherein：
The thickness of the electrode is 0.2~2.5mm, and the material of the electrode is graphite felt, carbon felt, carbon paper and carbon cloth, thickness
Degree is 0.2~4mm, and when being assembled into battery, the pressure of electrode material is deeply than being 1.1~2.
The diaphragm is cation-exchange membrane, anion-exchange membrane or perforated membrane, and thickness is 25~200 μm.
The bipolar plates are graphite cake and carbon plastic clad plate, and thickness is 0.5~5mm.
The bipolar plate surfaces need to process snakelike and/or interdigital runner.
The gasket is the gasket seal of hollow ring, and material is fluorubber, silicon rubber or ethylene propylene diene rubber, thickness
It is identical as thickness of electrode, it is 0.2~2.5mm.
Further, battery structure of the invention further include the cell end plate overlapped successively, bipolar plates, gasket, electrode,
Diaphragm, electrode, gasket, bipolar plates, cell end plate.
Battery structure of the present invention can be applied to all-vanadium flow battery, zinc-bromine flow battery, sodium polysulfide bromine flow battery or
Zn-Ni liquid battery.
The invention has the advantages that：
（1）Battery structure using the present invention, since interpolar is away from reduction so that the thickness of porous electrode reduces, and reduces
The bulk resistance of electrode improves the voltage efficiency and energy efficiency of battery to reduce the ohmic internal resistance of battery.
（2）Battery structure using the present invention, since interpolar is away from reduction, reduce the amount of storage of electrolyte in the battery with
Reduce the bulk resistance of electrolyte so that the ohmic internal resistance of battery reduces, and improves the voltage efficiency and energy efficiency of battery.
（3）Using the flow battery of battery structure of the present invention, under the premise of energy efficiency is maintained at 80% or more, work
Current density can be increased to 160mA/cm2, power density can be improved one times so that the battery weight of identical output power, body
Product and cost substantially reduce.
（4）The configuration of the present invention is simple, easily operated assembling, and electrode material dosage are reduced, and there is commercialization to promote and apply
Value.
Description of the drawings
Fig. 1 is the single-cell structure schematic diagram of flow battery in the prior art,
Wherein：1 cell end plate；2 bipolar plates（Collector plate）；3 gaskets；4 electrode frames；5 electrodes；6 diaphragms；
Fig. 2 is the single-cell structure schematic diagram of flow battery of the present invention,
Wherein：1 cell end plate；2 bipolar plates（Collector plate）；3 gaskets；5 electrodes；6 diaphragms；
Fig. 3 is the bipolar plate runner schematic diagram of flow battery of the present invention；
Fig. 4 is charging and discharging curve of the all-vanadium flow monocell in different current densities in the embodiment of the present invention 1.
Specific implementation mode
The present invention is described in detail below by specific embodiment.
Embodiment 1
It is assembled into all-vanadium liquid flow energy storage monocell according to structure shown in Fig. 2, wherein bipolar plates 2 are the non-porous of thickness 2mm
Graphite cake, surface engraving have Fig. 3（a）Shown depth is 0.5mm, and width is the serpentine flow path of 1mm；Gasket 3 is 1.5mm thick
Fluorubber；Electrode 5 is the carbon felt of 3mm thickness, apparent area 48cm2；Diaphragm 6 is Nafion115 films.At this point, the pole of the battery
Spacing is 3mm or so, and charging and discharging curve and battery efficiency of the battery under different current densities are as shown in Figure 4 and Table 1.
Using the monocell of battery structure of the present invention, current density 80mA/cm2When, voltage efficiency and energy efficiency are divided
It Wei 91.8% and 86.1%；Current density is increased to 160mA/cm2When, voltage efficiency and energy efficiency still remain in 84.7%
With 80%.When energy efficiency is maintained at 80% or more, 0.2W/ can reach using the power density of battery structure monocell of the present invention
cm2, it is doubled compared with the battery in comparative example.
Embodiment 2
It is assembled into all-vanadium liquid flow energy storage monocell according to structure shown in Fig. 2, wherein bipolar plates 2 are the carbon of thickness 1.5mm
Fig. 3 is carved on plastic clad plate, surface（b）Shown in depth be 0.5mm, width be 1mm interdigital runner；Gasket 3 is 2.5mm thick
Ethylene propylene diene rubber；Electrode 5 is the carbon felt of 4mm thickness, apparent area 48cm2；Diaphragm 6 is Nafion115 films.At this point, should
For the interpolar of battery away from for 5mm or so, battery efficiency of the battery under different current densities is as shown in table 1.
Using the monocell of battery structure of the present invention, current density 80mA/cm2When, voltage efficiency and energy efficiency are divided
It Wei 91.2% and 85.9%；Current density is increased to 160mA/cm2When, voltage efficiency and energy efficiency still remain in 82.3%
With 79.3%.
Embodiment 3
It is assembled into all-vanadium liquid flow energy storage monocell according to structure shown in Fig. 2, wherein bipolar plates 2 are the non-porous of thickness 2mm
Fig. 3 is carved on graphite cake, surface（b）Shown in depth be 0.5mm, width be 1mm interdigital runner；Gasket 3 is 0.25mm thick
Fluorubber；Electrode 5 is the carbon paper of 0.25mm thickness, apparent area 48cm2；Diaphragm 6 is Nafion115 films.At this point, the battery
Interpolar away from for 0.5mm or so, battery efficiency of the battery under different current densities is as shown in table 1.
Using the monocell of battery structure of the present invention, current density 80mA/cm2When, voltage efficiency and energy efficiency are divided
It Wei 92.1% and 86.9%；Current density is increased to 160mA/cm2When, voltage efficiency and energy efficiency still remain in 84.3%
With 80.8%.
Embodiment 4
It is assembled into all-vanadium liquid flow energy storage monocell according to structure shown in Fig. 2, wherein bipolar plates 2 are the non-porous of thickness 2mm
Fig. 3 is carved on graphite cake, surface（b）Shown in depth be 0.5mm, width be 1mm interdigital runner；Gasket 3 is the fluorine of 1mm thickness
Rubber；Electrode 5 is the carbon felt of 2mm thickness, apparent area 48cm2；Diaphragm 6 is Nafion115 films.At this point, the interpolar of the battery
Away from for 2mm or so, battery efficiency of the battery under different current densities is as shown in table 1.
Using the monocell of battery structure of the present invention, current density 80mA/cm2When, voltage efficiency and energy efficiency are divided
It Wei 93% and 87.2%；Current density is increased to 160mA/cm2When, voltage efficiency and energy efficiency still remain in 85.8% He
81.4%。
Comparative example
It is assembled into all-vanadium liquid flow energy storage monocell according to structure shown in FIG. 1, wherein bipolar plates 2 are the non-porous of thickness 2mm
Graphite cake, surface is without runner；Gasket 3 is the silicon rubber of 0.5mm thickness；Electrode frame 4 is the polyvinyl chloride frame of 4mm thickness；Electrode 5 is
The carbon felt of 7mm thickness, apparent area 48cm2；Diaphragm 6 is Nafion115 films.At this point, the interpolar of the battery is away from for 10mm or so,
Battery efficiency of the battery under different current densities is as shown in table 1.Current density is 80mA/cm2When, voltage efficiency and can dose-effect
Rate is respectively 84.6% and 81.4%；When current density is increased to 120mA/cm2When, energy efficiency only has 75.2%, less than 80%.Cause
This, when energy efficiency is maintained at 80% or more, its power density is only 0.1W/cm2Left and right.
Battery efficiency of the table 1 using all-vanadium liquid flow energy storage monocell when battery structure of the present invention under different current densities
Claims (7)
1. a kind of flow battery structure, including the bipolar plates, gasket, electrode, diaphragm, electrode, gasket, bipolar that overlap successively
Plate, it is characterised in that：The flow battery does not include electrode frame, and electrolyte channel is arranged the electrode in bipolar plates and corresponds to area
Domain, interpolar between bipolar plates is away from for 0.5~5mm, and the interpolar is away from the thickness without bipolar plates；The thickness of the electrode
Material for 0.2~2.5mm, the electrode is carbon felt, carbon paper and carbon cloth, and the thickness of electrode material is 0.2~4mm, assembling
When at battery, the pressure of electrode material is deeply than being 1.1 ~ 2；The electrolyte channel is that bipolar plate surfaces processing is snakelike and/or interdigital
Runner, 0.5 mm of flow channel depth.
2. according to battery structure described in claim 1, it is characterised in that：The diaphragm is cation-exchange membrane, anion friendship
Film or perforated membrane are changed, thickness is 25 ~ 200 μm.
3. according to battery structure described in claim 1, it is characterised in that：The bipolar plates be graphite cake or carbon plastic clad plate,
Thickness is 0.5~5mm.
4. according to battery structure described in claim 1, it is characterised in that：The gasket is fluorubber, silicon rubber or ternary
EP rubbers, thickness is identical as thickness of electrode, is 0.2~2.5mm.
5. according to battery structure described in claim 1, it is characterised in that：Battery structure can be applied to all-vanadium flow battery, zinc
Bromine flow battery, sodium polysulfide bromine flow battery or Zn-Ni liquid battery.
6. according to battery structure described in claim 1, it is characterised in that：Including the cell end plate, bipolar plates, close overlapped successively
Packing, electrode, diaphragm, electrode, gasket, bipolar plates, cell end plate.
7. according to the battery structure of claim 1 or 4, it is characterised in that：Gasket is the gasket seal of hollow ring.
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| CN201310694102.3A CN104716392B (en) | 2013-12-15 | 2013-12-15 | A kind of flow battery structure |
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| CN201310694102.3A CN104716392B (en) | 2013-12-15 | 2013-12-15 | A kind of flow battery structure |
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Cited By (1)
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| CN106876745A (en) * | 2015-12-12 | 2017-06-20 | 中国科学院大连化学物理研究所 | A kind of flow battery bipolar plates containing speed change runner |
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| CN106876762A (en) * | 2015-12-12 | 2017-06-20 | 中国科学院大连化学物理研究所 | A kind of flow battery bipolar plates that interdigital runner is deepened containing broadening |
| CN106876765B (en) * | 2015-12-13 | 2019-08-09 | 中国科学院大连化学物理研究所 | A kind of flow cell pile |
| CN107565146B (en) * | 2016-06-30 | 2020-02-21 | 中国科学院大连化学物理研究所 | Bipolar plate for flow battery and preparation and application thereof |
| CN108598543B (en) * | 2018-06-27 | 2021-07-06 | 西安交通大学 | Flow battery |
| CN111106397B (en) * | 2018-10-25 | 2021-04-30 | 中国科学院大连化学物理研究所 | Zinc-nickel accumulator |
| KR102645988B1 (en) * | 2018-11-13 | 2024-03-08 | 주식회사 엘지화학 | Bipolar plate and unit cell for redox flow cell battery and redox flow battery comprising the same |
| CN110718708A (en) * | 2019-09-11 | 2020-01-21 | 浙江大学 | Variable porosity electrode structure flow battery capable of improving battery efficiency |
| CN112768721B (en) * | 2021-02-02 | 2023-03-24 | 武汉理工大学 | Composite serpentine flow channel structure and all-vanadium redox flow battery comprising same |
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|---|---|---|---|---|
| CN106876745A (en) * | 2015-12-12 | 2017-06-20 | 中国科学院大连化学物理研究所 | A kind of flow battery bipolar plates containing speed change runner |
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| CN104716392A (en) | 2015-06-17 |
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Application publication date: 20150617 Assignee: Kaifeng Times New Energy Technology Co.,Ltd. Assignor: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES Contract record no.: X2021210000032 Denomination of invention: A flow battery structure Granted publication date: 20180921 License type: Common License Record date: 20210705 |
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Application publication date: 20150617 Assignee: Xinxing Ductile Iron Pipes Co.,Ltd. Assignor: DALIAN INSTITUTE OF CHEMICAL PHYSICS, CHINESE ACADEMY OF SCIENCES Contract record no.: X2023210000177 Denomination of invention: A liquid flow battery structure Granted publication date: 20180921 License type: Common License Record date: 20231116 |