CN107534161A - Grid type Flow-through electrode structure - Google Patents
Grid type Flow-through electrode structure Download PDFInfo
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- CN107534161A CN107534161A CN201680026101.3A CN201680026101A CN107534161A CN 107534161 A CN107534161 A CN 107534161A CN 201680026101 A CN201680026101 A CN 201680026101A CN 107534161 A CN107534161 A CN 107534161A
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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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
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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
- H01M8/02—Details
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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
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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
- H01M8/184—Regeneration by electrochemical means
- H01M8/188—Regeneration by electrochemical means by recharging of redox couples containing fluids; Redox flow type batteries
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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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
- H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
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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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- 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
Abstract
The present invention relates to a kind of grid type Flow-through electrode structure, the grid type Flow-through electrode structure can reduce installation cost and provide Large Copacity while small space is taken by forming the framework for the grid type supporter for supplying electrolyte, so as to suitable for generating electricity, storing the large scale equipment of energy, desalination etc., and can be used in condensing liquid stream electrode assembly or oxidation, reduction liquid electrode assembly.
Description
Technical field
The present invention relates to a kind of Flow-through electrode structure of the framework using grid type support as supply electrolyte, to fit
For generating electricity, storing the large scale equipment (plant) of energy, desalination etc., so as to reduce installation cost and take the same of small space
When Large Copacity is provided.
Background technology
In recent years, many national Devoting Major Efforts To Developing clean energy resource substitutes, are asked with solving air environmental pollution and global warming
Topic.Especially, recently, Ocean Salinity gradient for power generation is much paid close attention to.
Meanwhile, it is capable to the exploitation for storing the large-capacity power storing technology of electric energy caused by various alternative energy sources has become
The emphasis on following pollution-free industry basis.Most of such future electrical energy storing technologies are all based on using Ions Absorption (charging)
With the principle of desorption (electric discharge), such as lithium ion battery or ultracapacitor, therefore, countries in the world carry out main research
And development, by improving the charge-discharge characteristic of material and part, realize high efficiency densification and capacity extension.
Meanwhile above-mentioned principle also be used to including the water process of processing, the desalinization of purified water or waste water etc. recently should
With thus compared with existing evaporation or counter-infiltration (RO) method, the cost of energy for handling water substantially reduces;It is that is, electric
During appearance deionization (CDI) process is currently being deployed.
For the electric power storage using principle same as described above and water treatment system, sixty-four dollar question be equipment it is high into
The reduction of the efficiency of sheet and capacity extension.Stated differently, since the area increase of the electrode of upgrading, the electric field point of subsequent electrode
Active material and electricity when the limited amount irregular, coated in the active material in the membrane electrode on current-collector of cloth, coating
Contact area between solution liquid is reduced due to adhesive, the deterioration of efficiency for charge-discharge etc., and the quantity of element cell must stack,
So as to cause high equipment cost, and especially, due to the loss of water (electrolyte) pressure in heap stream, capacitive deionization
(CDI) technique runs into the problem of increase running cost.
In order to solve the above problems, applicant has developed a kind of condenser type Flow-through electrode device (Korean Patent No.10-
1233295), and use it for developing (Korean Patent No.10-1318331), energy stores (Korean Patent No.10-
And water process (Korean Patent No.10-1221562) 1210525).
Although there can be the electricity of unlimited electrode capacity to element cell supply by the Flow-through electrode that foregoing invention proposes
Pole, but need to increase electrode surface using the prior art of the equipment including redox flow batteries etc. of Flow-through electrode
Product is stacked to provide Large Copacity.However, in the prior art, including positive pole and the construction unit element of anode collector are
Infinitely stack.
Therefore, the stacking of element cell not only causes increasing considerably for volume, but also exists because various flowings are logical
Road and the problem of increase component count, so as to add the cost of manufacturing equipment.
<Prior art literature>
Patent document
(patent document 1) Korean Patent No.10-1233295
(patent document 2) Korean Patent No.10-1318331
(patent document 3) Korean Patent No.10-1210525
(patent document 4) Korean Patent No.10-1221562
(patent document 5) Korean Patent No.10-1327741
The content of the invention
Technical problem
For solve the above problems design it is an object of the invention to provide the grid type branch of electrolyte by being formed
The framework of frame (grid type supporter) reduces installation cost and provides Large Copacity while small space is taken, so as to suitable for
The large scale equipment of generating, storage energy, desalination etc..
Technical scheme
To achieve these goals, the first aspect of Flow-through electrode structure of the invention is a kind of Flow-through electrode structure, bag
Include:Grid type support, the cross sectional shape of the grid type support with grid type structure and formation are with fluid permeable wall
Multiple axially extending passages, electrolyte flows through the axially extending passage;Liquid stream negative electrode, the liquid stream negative electrode include negative electrode from
The passage of the commutative current-collector (current collector) of son and the solution electrode mixed with cathode active material, it is described
The passage of the commutative current-collector of cathode ion is formed on the inner surface of the fluid permeable wall of channel-style, cation infiltration
Through the passage of the commutative current-collector of the cathode ion, the solution electrode mixed with cathode active material is flowed through by described
The inner space that the passage of the commutative current-collector of cathode ion limits;And liquid stream anode, the liquid stream anode include anode from
The passage of the commutative current-collector of son and the solution electrode mixed with anode active material, the commutative current-collector of anode ion
Passage formed on the inner surface of the fluid permeable wall of channel-style, anion permeable can be handed over through the anode ion
The passage of current-collector is changed, the solution electrode mixed with anode active material is flowed through by the commutative current-collector of the anode ion
Passage limit inner space, wherein the liquid stream anode is arranged to contact near the liquid stream negative electrode.
The second aspect of the Flow-through electrode structure is further to include the Flow-through electrode knot of electrolyte flow channel
The first aspect of structure.That is, the Flow-through electrode structure of the second aspect is a kind of Flow-through electrode structure, including:
Grid type support, the cross sectional shape of the grid type support with grid type structure and formation are with the more of fluid permeable wall
Individual axially extending passage, electrolyte flow through the axially extending passage;Liquid stream negative electrode, the liquid stream negative electrode can including cathode ion
The solution electrode for exchanging the passage of current-collector (current collector) and being mixed with cathode active material, the negative electrode
The passage of the commutative current-collector of ion is formed on the inner surface of the fluid permeable wall of channel-style, and cation penetrates through
The passage of the commutative current-collector of cathode ion, the solution electrode mixed with cathode active material are flowed through by the negative electrode
The inner space that the passage of the commutative current-collector of ion limits;Liquid stream anode, it is commutative that the liquid stream anode includes anode ion
The passage of current-collector and the solution electrode mixed with anode active material, the passage shape of the commutative current-collector of anode ion
Into on the inner surface in the fluid permeable wall of channel-style, anion permeable passes through the commutative current-collector of the anode ion
Passage, the solution electrode mixed with anode active material flow through by the commutative current-collector of the anode ion passage limit
Fixed inner space;And electrolyte flow channel, the electrolyte flow channel are by the passage of the fluid permeable wall
The inner space of restriction, and electrolyte flows through the electrolyte flow channel, wherein the liquid stream anode or the electrolyte
Flow channel is arranged to contact near the liquid stream negative electrode, and the liquid stream negative electrode or the electrolyte flow channel
It is arranged to contact near the liquid stream anode.
The third aspect of the Flow-through electrode structure is the Flow-through electrode structure for having different grid type supports.Namely
To say, the Flow-through electrode structure of the third aspect is a kind of Flow-through electrode structure, including:Grid type support, the grid type branch
The multiple axial directions of cross sectional shape of the frame with grid type structure and formation with separators (electrode separator)
Extend passage;Liquid stream negative electrode, the electricity that the liquid stream negative electrode includes the passage of porous cathode plate and mixed with cathode active material
Pole solution, the passage of the porous cathode plate is arranged to the inside-wall surface contact with the passage of the grid type support, described
The solution electrode mixed with cathode active material flows through the inner space limited by the passage of the porous cathode plate;And liquid stream
Anode, the solution electrode that the liquid stream anode includes the passage of porous anode plate and mixed with anode active material are described more
The passage of hole positive plate is arranged to the inside-wall surface contact with the passage of the grid type support, described and anode active material
The solution electrode of mixing flows through the inner space limited by the passage of the porous anode plate, wherein the liquid stream anode is arranged
For with being contacted near the liquid stream negative electrode.
The fourth aspect of the Flow-through electrode structure is that the third aspect of the Flow-through electrode structure further includes
The Flow-through electrode structure of electrolyte flow channel.That is, the Flow-through electrode structure of the fourth aspect is a kind of liquid stream electricity
Pole structure, including:Grid type support, the cross sectional shape of the grid type support with grid type structure and formation are with electrode
Multiple axially extending passages of dividing plate;Liquid stream negative electrode, the liquid stream negative electrode include the passage of porous cathode plate and lived with negative electrode
The solution electrode of property material mixing, the passage of the porous cathode plate are arranged to the inwall with the passage of the grid type support
Surface contacts, and the solution electrode mixed with cathode active material flows through the inside limited by the passage of the porous cathode plate
Space;Liquid stream anode, the electrode that the liquid stream anode includes the passage of porous anode plate and mixed with anode active material are molten
Liquid, the passage of the porous anode plate are arranged to the inside-wall surface contact with the passage of the grid type support, it is described with it is positive
The solution electrode of pole active material mixing flows through the inner space limited by the passage of the porous anode plate;And electrolysis liquid stream
Dynamic passage, the electrolyte flow channel is the inner space limited by the passage of the grid type support, and is electrolysed liquid stream
Through the electrolyte flow channel, wherein the liquid stream anode or the electrolyte flow channel are arranged to and liquid stream the moon
Contacted near pole, and the liquid stream negative electrode or the electrolyte flow channel be arranged to near the liquid stream anode
Contact.
The commutative current-collector of cathode ion can be arranged to and the fluid permeable wall of channel-style by stacking
Inner surface contact the commutative film of channel-style cathode ion and be arranged to in the commutative film of channel-style cathode ion
The passage of the porous cathode plate of surface contact is formed, and anode ion commutative current-collector can be arranged to by stacking
The commutative film of channel-style anode ion that is contacted with the inner surface of the fluid permeable wall of channel-style and it is arranged to and institute
The passage for stating the porous anode plate of the inner surface contact of channel-style anode ion commutative film is formed.
In addition, on the other hand, the commutative current-collector of cathode ion can be by stacking the institute being arranged to channel-style
State the channel-style porous cathode plate of the inner surface contact of fluid permeable wall and be arranged to and the channel-style porous cathode plate
The passage of the commutative film of cathode ion of inner surface contact formed, and the commutative current-collector of anode ion can pass through heap
Fold the channel-style porous anode plate for being arranged to contact with the inner surface of the fluid permeable wall of channel-style and be arranged to
The passage of the commutative film of anode ion contacted with the inner surface of the channel-style porous anode plate is formed.
In the first and second aspect of the Flow-through electrode structure, the grid type support can by zeolite, ceramics or
Polymeric material is formed.On ceramic material, aluminum oxide, Si oxide, carborundum, silicon nitride etc. can be used;And on
Polymeric material, plastics, polymer fiber etc. can be used.
In addition, in the third aspect of the Flow-through electrode structure, the grid type support can be by the hole of infiltration proton
Gap filling film (pore-filled membrane) is formed.In addition, in the fourth aspect of the Flow-through electrode structure, the net
Lattice support can be made up of the pore filling film of ion-permeable.
In addition, the porous cathode plate and the porous anode plate can be made up of porous carbon sheet.The porous carbon sheet can
To use the manufacture such as graphite, graphene, carbon fiber, activated carbon, CNT.
In addition, the cross sectional shape of the passage can be circular or polygon.
The Flow-through electrode structure formation condenser type Flow-through electrode device of first, second and fourth aspect can be used.
In addition it is possible to use the Flow-through electrode structure of the third aspect forms redox flow batteries device.
Beneficial effect
The present invention can provide a kind of condenser type Flow-through electrode device or redox flow batteries device, and it can pass through
Reduce number of components and shared liquid stream negative electrode and liquid stream anode are manufactured into substantially reduce in adjacent electrode unit when stacking
This and installing space provide large electrode capacity simultaneously, so as to the large scale equipment suitable for generating electricity, storing energy, desalination etc..
In addition, the present invention can be applied not only to condenser type Flow-through electrode device or redox flow batteries device, and
And can apply to it is all while moving iron or proton for generating electricity, storing the device of energy and desalination.
Brief description of the drawings
Fig. 1 is the schematic diagram for the condenser type Flow-through electrode device for forming the basic structure of the present invention;
Fig. 2 is the schematic diagram of according to an embodiment of the invention 1 condenser type Flow-through electrode device;
Fig. 3 is the sectional view of Fig. 2 condenser type Flow-through electrode device;
Fig. 4 is the schematic diagram of according to an embodiment of the invention 2 condenser type Flow-through electrode device;
Fig. 5 is the schematic diagram of according to an embodiment of the invention 3 condenser type Flow-through electrode device;
Fig. 6 is the schematic diagram of according to an embodiment of the invention 4 condenser type Flow-through electrode device;
Fig. 7 is the schematic diagram of according to an embodiment of the invention 5 condenser type Flow-through electrode device;
Fig. 8 is the schematic diagram of according to an embodiment of the invention 6 condenser type Flow-through electrode device;
Fig. 9 is the schematic diagram of according to an embodiment of the invention 7 condenser type Flow-through electrode device;
Figure 10 is the schematic diagram of according to an embodiment of the invention 8 condenser type Flow-through electrode device;
Figure 11 is the schematic diagram of according to an embodiment of the invention 9 condenser type Flow-through electrode device;
Figure 12 is the schematic diagram of according to an embodiment of the invention 10 condenser type Flow-through electrode device;
Figure 13 is the schematic diagram of according to an embodiment of the invention 11 redox flow batteries device;
Figure 14 is the schematic diagram for the structure for showing in general redox flow batteries.
Embodiment
Hereinafter, it will be described in detail with reference to the accompanying drawings the present invention.When the composition being inserted into reference in each accompanying drawing
During part, although showing part in different drawings, as long as part is identical, in the conceived case,
They are described as having identical reference.It is considered as making known function that the main points of the present invention thicken and structure
Detailed description will be omitted.
Condenser type Flow-through electrode device or redox flow batteries can be manufactured by the Flow-through electrode structure of the present invention
Device.Therefore, condenser type Flow-through electrode device and redox flow batteries device are as the Flow-through electrode structure of the present invention
Example describes.
First, reference picture 1 is described to form the condenser type Flow-through electrode device 100 of the basic structure of the present invention.Especially,
Condenser type Flow-through electrode device 100 describes the example as the device used in the power plant that electric power is produced from electrolyte.
In the present invention, positive pole refers to negative electrode and negative pole refers to anode.Its polarity can change in desalination or electric discharge.
As shown in figure 1, in condenser type Flow-through electrode device 100, liquid stream negative electrode 112 and liquid stream anode 114 are arranged in electricity
The both sides of liquid flow channel 102 are solved, electrolyte flow channel 102 is located among liquid stream negative electrode 112 and liquid stream anode 114.Negative electrode
The commutative current-collector of ion is arranged between electrolyte flow channel 102 and liquid stream negative electrode 112;And the commutative collection of anode ion
Electrical appliance arrangement is between electrolyte flow channel 102 and liquid stream anode 114.In addition, closed plate 116,118 is arranged in liquid stream negative electrode
112 and liquid stream anode 114 outside to form flow channel.
Liquid stream negative electrode 112 refers to the stream that solution electrode is mixed with cathode active material 111 and flowed with scattered mud state
Dynamic passage.In addition, liquid stream anode 114 refers to that solution electrode is mixed with anode active material 113 and flowed with scattered mud state
Flow channel.Liquid stream negative electrode 112 and liquid stream anode 114 can be used in the grid type support conduct that can form flow channel
Portion's framework.Cathode active material and anode active material can be formed by similar and different material.It is related to both of these case
Material is referred to as electrode active material.For cathode active material and anode active material, porous carbon (such as activity can be used
Charcoal, carbon fiber, carbon aerogels, CNT etc.), powdered graphite, metal oxide powder etc..
In addition, solution electrode can include such as NaCl, H2SO4、HCl、NaOH、KOH、Na2NO3Deng water-soluble electrolyte
Solution, and such as excellent electrolytic solution of propene carbonate (PC), diethyl carbonate (DEC) and tetrahydrofuran (THF).Especially
Ground, the salt solution comprising a large amount of salt (particularly NaCl) or the fresh water comprising trace salt can be used as solution electrode.
As shown in figure 1, the component formed by stacking the commutative film 104 of cathode ion and porous cathode plate 106 can be used
In the commutative current-collector of cathode ion.The commutative film 104 of cathode ion is arranged in the side of electrolyte flow channel 102, and
Porous cathode plate 106 is arranged in the side of liquid stream negative electrode 112.On the contrary, the commutative film 104 of cathode ion can also be arranged in liquid stream
The side of negative electrode 112, and porous cathode plate 106 can also be arranged in the side of electrolyte flow channel 102.
In addition, as shown in figure 1, the component formed by stacking the commutative film 108 of anode ion and porous anode plate 110 can
For the commutative current-collector of anode ion.The commutative film 108 of anode ion is arranged in the side of electrolyte flow channel 102,
And porous anode plate 110 is arranged in the side of liquid stream anode 114.On the contrary, the commutative film 108 of anode ion can also be arranged in
The side of liquid stream anode 114, and porous anode plate 110 can also be arranged in the side of electrolyte flow channel 102.
If the conductive material for only allowing ion to permeate is exploited for the commutative current-collector of anode ion and cathode ion
The thickness of commutative current-collector, the then above-mentioned stacking shape of the commutative current-collector of anode ion or the commutative current-collector of cathode ion
Can further it reduce.
For porous cathode plate 106 and porous anode plate 110, the conductive material that fluid can be used to pass through, such as
Porous carbon sheet.Carbon plate can be made up of graphite, graphene, carbon fiber, activated carbon, CNT etc..
In addition, the commutative film 104 of cation is compacted zone, its prevent electrolyte by and optionally only make just from
Son by, and the commutative film 108 of anion is compacted zone, its prevent electrolyte by and optionally only make anion
Pass through.The commutative film of ion known in the art can be used for the commutative film 104 of cation and the commutative film 108 of anion.
In addition, electrolyte flows in electrolyte circulation road 102.In addition, similar to solution electrode, electrolyte can include
Such as NaCl, H2SO4、HCl、NaOH、KOH、Na2NO3Deng water-soluble electrolyte solution, and such as propene carbonate (PC), carbon
The excellent electrolytic solution of diethyl phthalate (DEC) and tetrahydrofuran (THF).Especially, can use comprising a large amount of salt (particularly
NaCl salt solution) or the fresh water comprising trace salt are as solution electrode.Electrolyte flow channel 102 can use can form stream
The grid type support of dynamic passage is as inner frame.
The direction of motion of electrolyte in electrolyte flow channel 102 and the stream in liquid stream negative electrode 112 and liquid stream anode 114
The direction of motion of body can be with identical or opposite.
In addition, electrolyte flow channel 102 can be formed as the space that there is electrolyte to flow through, but grid type support can
To be filled in electrolyte flow channel 102.Preferably, grid type support be electrical insulator and by fibre structure be made so as to
In the motion of electrolyte.
Closed plate 116,118 can be nonconductive plate or conductive metallic plate.If using conductive metal sheet,
It may be used as extra current-collector.
1 condenser type Flow-through electrode device 100 substantially constructs as described above according to an embodiment of the invention.Under
Wen Zhong, the operating principle when condenser type Flow-through electrode device 100 is used as power plant will be described.When with cation and anion
Electrolyte when flowing through electrolyte flow channel 102, liquid stream the moon is moved to by the cation of the commutative current-collector of cathode ion
In pole 112, and it is moved to by the anion of the commutative current-collector of anode ion in liquid stream anode 114.Therefore, it is cloudy in liquid stream
Potential difference is produced between pole 112 and liquid stream anode 114.When this potential difference passes through porous cathode plate 106 and porous anode plate 110
During with external electrical connections, condenser type Flow-through electrode device 100 may be used as generator unit.
On the contrary, when applying electric current externally to porous cathode plate 106 and porous anode plate 110 to produce potential difference, just
Ion and anion are forcibly moved to liquid stream negative electrode 112 and liquid stream sun from the electrolyte for flowing through electrolyte flow channel 102
Pole 114, so that electrolyte desalination.
Further, since fill electric charge in the slurry for flowing through liquid stream negative electrode 112 and liquid stream anode 114 simultaneously, it is possible to
The slurry is stored and is used as electric power storing device.
Based on condenser type Flow-through electrode device 100, by reference picture 2 and Fig. 3 descriptions according to embodiment 1 by using grid
The condenser type Flow-through electrode device 200 of the expanded capacitor amount of type support 202.Condenser type Flow-through electrode device 200 is the electricity of expander graphs 1
The device of appearance formula Flow-through electrode device 100, it forms identical with the composition substantially of condenser type Flow-through electrode device 100 substantially.
As shown in Fig. 2 grid type support 202 is the grid of formed therein which multiple perforation lanes with square-section
Type structure.In addition to square-section, the passage can be formed as circular or polygon section.
In condenser type Flow-through electrode device 200, liquid stream negative electrode 201 and liquid stream anode 203 are arranged in grid type support
The inside of passage.The commutative current-collector of cathode ion is arranged in liquid stream negative electrode 201, and the commutative current-collector of anode ion is arranged in
In liquid stream anode 203.
Cathode active material included in the solution electrode 212 for flowing through liquid stream negative electrode 201 and included in flowing through liquid stream sun
Anode active material in the solution electrode 214 of pole 203 can be made up of identical or different material.
The commutative current-collector of cathode ion can by stack the commutative film 204 of cathode ion and porous cathode plate 206 come
Formed.That is, the commutative film 204 of cathode ion is arranged to the inside-wall surface contact with the passage of grid type support, and
And porous cathode plate 206 is arranged to the interior side contacts of film 204 commutative with cathode ion.Therefore, it can be formed and wherein stacked
The pipe of the commutative film 204 of cathode ion and porous cathode plate 206.
Furthermore, it is possible to the commutative film 208 of anode ion is stacked gradually by the inner wall surface of the passage from grid type support
The commutative current-collector of anode ion is formed with porous anode plate 210.Therefore, the commutative film 208 of anode ion and porous anode
Plate 210 forms pipe.
In addition, it can include electrolyte flow channel 216.
The direction of motion of electrolyte in electrolyte flow channel 216 and the electricity in liquid stream negative electrode 201 and liquid stream anode 203
The direction of motion of pole solution can be with identical or opposite.
In grid type support 202, a part for grid type support may be embodied in electrolytic solution, with by gravity or
Capillarity moves electrolyte naturally, or the electrolyte being forced to flow in electrolyte flow channel 216 can ooze
Flowed while thoroughly to the wall of grid type support 202.
Only liquid stream anode 203 it can be arranged near liquid stream negative electrode 201, or liquid stream anode 203 or electrolyte flow
Passage 216 can be arranged near liquid stream negative electrode 201.In an identical manner, only liquid stream sun can be arranged in by liquid stream negative electrode 201
Near pole 203, or liquid stream negative electrode 201 or electrolyte flow channel 216 can be arranged near liquid stream anode 203.
In embodiment 1, including electrolyte flow channel 216, but in the situation of no electrolyte flow channel 216
Under, passage only can also be made up of liquid stream negative electrode 201 and liquid stream anode 203.Embodiment 8 shows such structure (referring to Figure 10)
Make.
In embodiment 1, liquid stream negative electrode 201 and liquid stream anode 203 are in relative to each other near electrolyte flow channel 216
Form, meanwhile, liquid stream negative electrode 201 and liquid stream anode 203 are diagonally arranged.
More specifically, in the grid type support 202 between adjacent liquid stream negative electrode 201 and liquid stream anode 203
In wall, the motion of anion as shown in Figure 1 and cation occurs.Because the motion of anion and cation occurs in whole net
In lattice support 202, the capacity of Flow-through electrode device greatly increases.In addition, electrolyte flow channel 216 is used to continuously supply
Electrolyte.
Fig. 4 to Fig. 9 shows the and of condenser type Flow-through electrode device 218,220,222,224,226 according to embodiment 2 to 7
228.The arrangement of liquid stream negative electrode 201, liquid stream anode 203 and electrolyte flow channel 216 is different from embodiment 1, although it is constructed
It is same as Example 1.Therefore, various types of arrangements can be carried out according to the intention of designer, and is based on this, can seen
Go out, if Flow-through electrode without interruption, due to unlimited adsorption capacity, desalination can be also carried out continuously.
Figure 10 shows according to an embodiment of the invention 8 condenser type Flow-through electrode device 230.Condenser type Flow-through electrode fills
Put 230 and eliminate electrolyte flow channel, electrolyte is only conveyed by grid type support 202.Therefore, condenser type Flow-through electrode device
The advantages of be, compared with embodiment 1 to 8, its size can further reduce.
Figure 11 shows according to an embodiment of the invention 9 condenser type Flow-through electrode device 300.In condenser type Flow-through electrode
In device 300, compared to Figure 1 the arrangement pattern of the commutative current-collector of cathode ion and the commutative current-collector of anode ion is opposite
's.
As shown in figure 11, grid type support 302 is the net of formed therein which multiple perforation lanes with square-section
Lattice structure.In addition to square-section, the passage can be formed as circular or polygon section.
In condenser type Flow-through electrode device 300, liquid stream negative electrode 301 and liquid stream anode 303 are arranged in grid type support
The inside of passage.The commutative current-collector of cathode ion is arranged in liquid stream negative electrode 301, and the commutative current-collector of anode ion is arranged in
In liquid stream anode 303.
Cathode active material included in the solution electrode 312 for flowing through liquid stream negative electrode 301 and included in flowing through liquid stream sun
Anode active material in the solution electrode 314 of pole 303 can be made up of identical or different material.
The commutative current-collector of cathode ion can by stack the commutative film 304 of cathode ion and porous cathode plate 306 come
Formed.That is, porous cathode plate 306 is arranged to the inside-wall surface contact with the passage of grid type support, and negative electrode
The commutative film 304 of ion is arranged to the interior side contacts with porous cathode plate 306.Therefore, it can be formed and wherein stack porous the moon
The pipe of pole plate 306 and the commutative film 304 of cathode ion.
Furthermore, it is possible to porous anode plate 310 and anode ion are stacked gradually by the inwall of the passage from grid type support
Commutative film 308 forms the commutative current-collector of anode ion.Therefore, porous anode plate 310 and the commutative film 308 of anode ion
Form pipe.
In addition, it can include electrolyte flow channel 316.
The direction of motion of electrolyte in electrolyte flow channel 316 and the electricity in liquid stream negative electrode 301 and liquid stream anode 303
The direction of motion of pole solution can be with identical or opposite.
In grid type support 302, a part for grid type support may be embodied in electrolytic solution, with by gravity or
Capillarity moves electrolyte naturally, or the electrolyte being forced to flow in electrolyte flow channel 316 can ooze
Flowed while thoroughly to the wall of grid type support 302.
Only liquid stream anode 303 it can be arranged near liquid stream negative electrode 301, or liquid stream anode 303 or electrolyte flow
Passage 316 can be arranged near liquid stream negative electrode 301.In an identical manner, only liquid stream sun can be arranged in by liquid stream negative electrode 301
Near pole 303, or liquid stream negative electrode 301 or electrolyte flow channel 316 can be arranged near liquid stream anode 303.
In embodiment 9, liquid stream negative electrode 301 and liquid stream anode 303 are in relative to each other near electrolyte flow channel 316
Form, while liquid stream negative electrode 301 and liquid stream anode 303 are diagonally arranged.In addition, the edge of electrolyte flow channel 316
Diagonal is arranged.
More specifically, in the grid type support 302 between adjacent liquid stream negative electrode 301 and liquid stream anode 303
In wall, the motion of anion and cation occurs.Because the motion of anion and cation occurs in whole grid type support 302
In, the capacity of condenser type Flow-through electrode device 300 greatly increases.In addition, electrolyte flow channel 316 is used for continuously supply electricity
Solve liquid.
Arrangement can also be carried out using the structure of embodiment 9, with the knot with the embodiment 2 to 8 in addition to embodiment 1
Structure.
Figure 12 shows according to an embodiment of the invention 10 condenser type Flow-through electrode device 400.With Fig. 1 condenser type liquid
It is different to flow electrode assembly 200, in electric capacity liquid stream electrode assembly 400, grid type support 402 is used as the structure of moving iron, and
And the motion of electrolyte is caused by electrolyte flow channel 416.
As shown in figure 12, grid type support 402 is the net of formed therein which multiple perforation lanes with square-section
Lattice structure.In addition to square-section, the passage can be formed as circular or polygon section.
In grid type support 402, (wherein optionally the coating of ion-permeable is coated on porous branch to pore filling film
On the hole of support body) it can be used for the porous supporting body to form structure.
In condenser type Flow-through electrode device 400, liquid stream negative electrode 401 and liquid stream anode 403 are arranged in grid type support
The inside of passage.Porous cathode plate 404 is arranged in liquid stream negative electrode 401, and porous anode plate 410 is arranged in liquid stream anode
In 403.
Cathode active material included in the solution electrode 412 for flowing through liquid stream negative electrode 401 and included in flowing through liquid stream sun
Anode active material in the solution electrode 414 of pole 403 can be different materials, but can also use identical material.
Porous cathode plate 404 and porous anode plate 410 are arranged as contacting with the inwall of the passage of grid type support.
In addition, also include electrolyte flow channel 416.
The direction of motion of electrolyte in electrolyte flow channel 416 and the electricity in liquid stream negative electrode 401 and liquid stream anode 403
The direction of motion of pole solution can be with identical or opposite.In addition, by electrolyte flow channel 416 to liquid stream negative electrode 401 and liquid stream
Anode 403 supplies electrolyte.Therefore, in embodiment 10, liquid stream negative electrode 401 and liquid stream anode 403 are in electrolyte flow channel
Near 416 in the form of relative to each other, while, liquid stream negative electrode 401 and liquid stream anode 403 are diagonally arranged.
In addition, electrolyte flow channel 316 is diagonally arranged.
More specifically, the motion of anion and cation is occurred between liquid stream negative electrode 401 and liquid stream anode 403
Grid type support 402 wall in.Because the motion of anion and cation occurs in whole grid type support 402, electric capacity
The capacity of formula Flow-through electrode device 400 greatly increases.In addition, electrolyte flow channel 416 is used to continuously supply electrolyte.
Reference picture 13 is described to according to an embodiment of the invention 11 redox flow batteries device 418.Before this,
Reference picture 14 is described to the general construction of redox flow batteries device 120.
In redox flow batteries device 120, cathode flow channels 126 and anode flow that solution electrode flows through are led to
Road 128 is formed based on dividing plate 130 in both sides, and cathode collector 122 and anode collector 124 are arranged in each cathode flow
On passage 126 and anode flow channels 128.
In cathode flow channels 126, the cathode solution being stored in cathode solution groove 132 is circulated by negative electrode pump 134;
And in anode flow channels 128, the anodic dissolution being stored in anodic dissolution groove 136 is circulated by anode pump 138.As
Cathode solution and anodic dissolution, usually using the electrolytic solution comprising zinc ion and bromide ion.
Therefore, it is anti-when redox occurs in cathode flow channels 126 and anode flow channels 128 based on dividing plate 130
At once, discharge or store electric.
Realize that the redox flow batteries device 418 of this principle passes through the grid type support including only permeating proton
402nd, liquid stream negative electrode 401 and the liquid stream anode 403 of the inside of the passage of grid type support 402 are arranged in be formed.
As shown in figure 13, grid type support 402 is the net of formed therein which multiple perforation lanes with square-section
Lattice structure.In addition to square-section, the passage can be formed as circular or polygon section.
In grid type support 402, (coating for wherein optionally permeating proton is coated on porous branch to pore filling film
On the hole of support body) it can be used for the porous supporting body to form structure.
In condenser type Flow-through electrode device 418, liquid stream negative electrode 401 and liquid stream anode 403 are arranged in grid type support
The inside of passage.Porous cathode plate 404 is arranged in liquid stream negative electrode 401, and porous anode plate 410 is arranged in liquid stream anode
In 403.
Cathode active material included in the solution electrode 412 for flowing through liquid stream negative electrode 401 and included in flowing through liquid stream sun
Anode active material in the solution electrode 414 of pole 403 can be different materials, but can also use identical material.
Porous cathode plate 404 and porous anode plate 410 are arranged as contacting with the inwall of the passage of grid type support.
As shown in figure 13, liquid stream negative electrode 401 and liquid stream anode 403 are arranged to have the chequer (check in section
pattern).Therefore, when proton is moved through grid type support 402, occur in liquid stream negative electrode 401 and liquid stream anode 403
Redox reaction, and thereby charge or discharge occur.
Although describe the present invention with reference to specific illustrative embodiment, but it is to be understood that those skilled in the art
In the case of without departing substantially from scope and spirit of the present invention, thus it is possible to vary or modification embodiment.
Description of reference numerals
100、200、218、220、222、224、226、228、300、400、418:Flow-through electrode device
102、216、316、416:Electrolyte flow channel
104、204、304:The commutative film of cathode ion
106、206、306:Porous cathode plate
108、208、308:The commutative film of anode ion
110、210、308:Porous anode plate
111:Cathode active material
112、201、301、401:Liquid stream negative electrode
113:Anode active material
114、203、303、403:Liquid stream anode
116、118:Closed plate
202、302、402:Grid type support
212、214、312、314、412、414:Solution electrode
Claims (13)
1. a kind of Flow-through electrode structure, including:
Grid type support, the cross sectional shape of the grid type support with grid type structure and formation are with fluid permeable wall
Multiple axially extending passages, electrolyte flows through the axially extending passage;
Liquid stream negative electrode, the liquid stream negative electrode include the passage of the commutative current-collector of cathode ion and mixed with cathode active material
Solution electrode, the passage of the commutative current-collector of cathode ion forms the interior table in the fluid permeable wall of channel-style
On face, cation penetrates through the passage of the commutative current-collector of the cathode ion, the electricity mixed with cathode active material
Pole solution flows through the inner space limited by the passage of the commutative current-collector of the cathode ion;And
Liquid stream anode, the liquid stream anode include the passage of the commutative current-collector of anode ion and mixed with anode active material
Solution electrode, the passage of the commutative current-collector of anode ion forms the interior table in the fluid permeable wall of channel-style
On face, anion permeable passes through the passage of the commutative current-collector of the anode ion, the electricity mixed with anode active material
Pole solution flows through the inner space limited by the passage of the commutative current-collector of the anode ion,
Wherein, the liquid stream anode is arranged to contact near the liquid stream negative electrode.
2. a kind of Flow-through electrode structure, including:
Grid type support, the cross sectional shape of the grid type support with grid type structure and formation are with fluid permeable wall
Multiple axially extending passages, electrolyte flows through the axially extending passage;
Liquid stream negative electrode, the liquid stream negative electrode include the passage of the commutative current-collector of cathode ion and mixed with cathode active material
Solution electrode, the passage of the commutative current-collector of cathode ion forms the interior table in the fluid permeable wall of channel-style
On face, cation penetrates through the passage of the commutative current-collector of the cathode ion, the electricity mixed with cathode active material
Pole solution flows through the inner space limited by the passage of the commutative current-collector of the cathode ion;
Liquid stream anode, the liquid stream anode include the passage of the commutative current-collector of anode ion and mixed with anode active material
Solution electrode, the passage of the commutative current-collector of anode ion forms the interior table in the fluid permeable wall of channel-style
On face, anion permeable passes through the passage of the commutative current-collector of the anode ion, the electricity mixed with anode active material
Pole solution flows through the inner space limited by the passage of the commutative current-collector of the anode ion;And
Electrolyte flow channel, the electrolyte flow channel are that the inside limited by the passage of the fluid permeable wall is empty
Between, and electrolyte flows through the electrolyte flow channel,
Wherein, the liquid stream anode or the electrolyte flow channel are arranged to contact near the liquid stream negative electrode, and
And the liquid stream negative electrode or the electrolyte flow channel are arranged to contact near the liquid stream anode.
3. a kind of Flow-through electrode structure, including:
Grid type support, the cross sectional shape of the grid type support with grid type structure and formation are with the more of separators
Individual axially extending passage;
Liquid stream negative electrode, the electrode that the liquid stream negative electrode includes the passage of porous cathode plate and mixed with cathode active material are molten
Liquid, the passage of the porous cathode plate are arranged to the inside-wall surface contact with the passage of the grid type support, it is described with it is cloudy
The solution electrode of pole active material mixing flows through the inner space limited by the passage of the porous cathode plate;And
Liquid stream anode, the electrode that the liquid stream anode includes the passage of porous anode plate and mixed with anode active material are molten
Liquid, the passage of the porous anode plate are arranged to the inside-wall surface contact with the passage of the grid type support, it is described with it is positive
The solution electrode of pole active material mixing flows through the inner space limited by the passage of the porous anode plate,
Wherein, the liquid stream anode is arranged to contact near the liquid stream negative electrode.
4. a kind of Flow-through electrode structure, including:
Grid type support, the cross sectional shape of the grid type support with grid type structure and formation are with the more of separators
Individual axially extending passage;
Liquid stream negative electrode, the electrode that the liquid stream negative electrode includes the passage of porous cathode plate and mixed with cathode active material are molten
Liquid, the passage of the porous cathode plate are arranged to the inside-wall surface contact with the passage of the grid type support, it is described with it is cloudy
The solution electrode of pole active material mixing flows through the inner space limited by the passage of the porous cathode plate;
Liquid stream anode, the electrode that the liquid stream anode includes the passage of porous anode plate and mixed with anode active material are molten
Liquid, the passage of the porous anode plate are arranged to the inside-wall surface contact with the passage of the grid type support, it is described with it is positive
The solution electrode of pole active material mixing flows through the inner space limited by the passage of the porous anode plate;And
Electrolyte flow channel, the electrolyte flow channel are the inner spaces limited by the passage of the grid type support,
And electrolyte flows through the electrolyte flow channel,
Wherein, the liquid stream anode or the electrolyte flow channel are arranged to contact near the liquid stream negative electrode, and
And the liquid stream negative electrode or the electrolyte flow channel are arranged to contact near the liquid stream anode.
5. Flow-through electrode structure according to claim 1 or 2,
Wherein, the commutative current-collector of the cathode ion is arranged to and the fluid permeable wall of channel-style by stacking
Inner surface contact the commutative film of channel-style cathode ion and be arranged to in the commutative film of channel-style cathode ion
The passage of the porous cathode plate of surface contact is formed, and
Wherein, the commutative current-collector of the anode ion is arranged to and the fluid permeable wall of channel-style by stacking
Inner surface contact the commutative film of channel-style anode ion and be arranged to in the commutative film of channel-style anode ion
The passage of the porous anode plate of surface contact is formed.
6. Flow-through electrode structure according to claim 1 or 2,
Wherein, the commutative current-collector of the cathode ion is arranged to and the fluid permeable wall of channel-style by stacking
The channel-style porous cathode plate and be arranged to the moon contacted with the inner surface of the channel-style porous cathode plate that inner surface contacts
The passage of the commutative film of pole ion is formed, and
Wherein, the commutative current-collector of the anode ion is arranged to and the fluid permeable wall of channel-style by stacking
The channel-style porous anode plate and be arranged to the sun contacted with the inner surface of the channel-style porous anode plate that inner surface contacts
The passage of the commutative film of pole ion is formed.
7. Flow-through electrode structure according to claim 1 or 2, wherein, the grid type support is by zeolite, ceramics or polymerization
Material is formed.
8. Flow-through electrode structure according to claim 3, wherein, the grid type support by infiltration proton pore filling
Film is formed.
9. Flow-through electrode structure according to claim 4, wherein, the grid type support by ion-permeable pore filling
Film is formed.
10. Flow-through electrode structure as claimed in any of claims 1 to 4, wherein, the porous cathode plate and described
Porous anode plate is made up of porous carbon sheet.
11. Flow-through electrode structure as claimed in any of claims 1 to 4, wherein, the cross sectional shape of the passage is
Circular or polygon.
12. a kind of condenser type Flow-through electrode device, including the Flow-through electrode according to any one in claim 1,2 and 4
Structure.
13. a kind of redox flow batteries device, including Flow-through electrode structure according to claim 3.
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PCT/KR2016/002110 WO2016140521A1 (en) | 2015-03-04 | 2016-03-03 | Grid flow-electrode structure |
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CN108483591A (en) * | 2018-04-24 | 2018-09-04 | 浙江工业大学 | A method of extraction lithium ion |
CN110214391A (en) * | 2016-09-06 | 2019-09-06 | 韩国能源技术研究院 | Electrochemical cell including channel-style Flow-through electrode cellular construction |
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CN109286052B (en) * | 2017-07-20 | 2020-06-19 | 北京好风光储能技术有限公司 | Multi-channel communication type lithium flow battery reactor |
US10550014B2 (en) * | 2017-08-11 | 2020-02-04 | Palo Alto Research Center Incorporated | Electrochemical desalination system with coupled electricity storage |
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