CN106601943B - Integrated downflow type lithium flow battery reactor - Google Patents
Integrated downflow type lithium flow battery reactor Download PDFInfo
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- CN106601943B CN106601943B CN201510680901.4A CN201510680901A CN106601943B CN 106601943 B CN106601943 B CN 106601943B CN 201510680901 A CN201510680901 A CN 201510680901A CN 106601943 B CN106601943 B CN 106601943B
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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
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
- H01M8/0256—Vias, i.e. connectors passing through the separator material
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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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 provides a kind of integrated downflow type lithium flow battery reactor, including battery frame, isolation window, and the battery frame is the cuboid of inner hollow, in the opposite two sides A-A of cuboid1Face is equipped with several pairs of straight-through empty slots for accommodating the isolation window, several described isolation windows are arranged successively the straight-through empty slot of insertion according to identical polar current collector layer sequence staggered relatively, constitute the positive reaction chamber and negative reaction chamber for alternateing interval；In A-A1Face is constituted equipped with positive flow path groove between two straight-through empty slots of positive reaction chamber, in A-A1The position that face corresponds to negative reaction chamber is equipped with cathode flow path groove.The cell reaction device uses integrated design, avoids sealing using coupling mechanism force and fix, will not cause to seal hidden danger because of unbalance stress, the weight of end plate and pull rod is eliminated simultaneously, the opposite power-weight ratio for improving cell reaction device, and cell reaction device is simple to manufacture, it is easy to assembly.
Description
Technical field
The invention belongs to electrochemical energy storage cell field more particularly to a kind of lithium flow battery reactors.
Background technique
Lithium flow battery is a kind of electrochemical cell art that latest development is got up, it combines lithium ion battery and liquid stream
The advantages of battery, be that a kind of output power and stored energy capacitance are independent of one another, and energy density is big, cost is relatively low, high safety it is new
Type secondary cell.It acts not only as the mating energy storage device of solar energy, wind power generation system, is also used as the tune of power grid
Peak device improves transmission of electricity quality, ensures power grid security.
Lithium flow battery reactor provides place for the mutual conversion of electric energy and chemical energy, is lithium redox flow battery energy storage system
Core apparatus, have important influence to performances such as battery system cost, the power of battery, energy efficiency and cycle lives.It is existing
If flow battery reactor be mainly layered on top of each other and form by dry part, in order to guarantee the leakproofness of cell reaction device, layer and layer
Between need to bond by corrosion-resistant binder, while need to the both ends of cell reaction device be equipped with end plate, be equipped with pull rod and spring
Or end plate is locked and obtains required coupling mechanism force by screw, this stacking locking mechanism has the following problems: one, coupling mechanism force needs
Power needed for meeting reactor sealing simultaneously, support force needed for stepped construction and the balancing force after expanding with heat and contract with cold, and wherein one
It will cause sealing hidden danger when a power is not able to satisfy, greatly affected the service life of cell reaction device；Two, stepped construction,
The weight of end plate and pull rod is larger, reduces the gravimetric specific power of cell reaction device；Three, battery assembly complex procedures, and seal
Property is poor.
Summary of the invention
In order to overcome the above problem existing for current flow battery reactor, the purpose of the present invention is to provide a kind of one
The lithium flow battery reactor of change, it is positive and negative which by isolation window is divided into several for the battery frame of inner hollow
The chamber at interval, each chamber flow into corresponding electrode suspension.Cell reaction device is accommodated using the frame of integrated design
Fixed reaction chamber is avoided being sealed using coupling mechanism force and be fixed, and will not cause to seal hidden danger, while cell reaction because of unbalance stress
Device eliminates the weight of end plate and pull rod, the opposite power-weight ratio for improving cell reaction device, and the manufacture letter of cell reaction device
It is single, it is easy to assembly.
It is as follows that the present invention provides technical solution:
Integrated downflow type lithium flow battery reactor, including battery frame, isolation window, it is characterised in that: the battery
Frame is the cuboid of inner hollow, and cuboid contains three groups of opposite face A-A1Face, B-B1Face and C-C1Face；
The isolation window includes " returning " type forms and " returns " the bipolar sexual isolation in middle vacancy between type forms positioned at two panels
Layer, wherein bipolarity separation layer is the porous anode collection by separation layer and positioned at separation layer two sides and with separation layer close contact
Fluid layer and porous negative pole currect collecting layer composition；In the opposite two sides A-A of cuboid1Face is equipped with several pairs and accommodates the straight of the isolation window
Through empty slot, several described isolation windows are arranged successively the straight-through empty slot of insertion according to identical polar current collector layer sequence staggered relatively,
Constitute the positive reaction chamber and negative reaction chamber for alternateing interval；The isolation window and C-C1Face is parallel；
In A-A1Face is constituted equipped with positive flow path groove between two straight-through empty slots of positive reaction chamber, and positive suspension passes through
Positive flow path groove accomplished continuously or intermittently flows in positive reaction chamber, in A-A1Face constitute negative reaction chamber two straight-through empty slots it
Between be equipped with cathode flow path groove, cathode suspension is accomplished continuously or intermittently flowed by cathode flow path groove negative reaction is intracavitary.
In A-A1On face, distance d between the straight-through empty slot for accommodating isolation window and positive flow path groove and cathode flow path groove
Greater than zero, and the length L of straight-through empty slot1Greater than the length L of flow path groove2, it is therefore an objective to avoid the mutual infiltration between electrode suspension
Leakage, is convenient to isolation window and battery frame fixing seal.
The battery frame material is insulation resistant material, preferably polypropylene, polyethylene, one in polytetrafluoroethylene (PTFE)
Kind or several or insulation liner resistant material stainless steel and other metal materials；Size are as follows: a length of 100mm~1000mm, it is excellent
It is selected as 300mm~800mm；Width is 80mm~800mm, preferably 100mm~600mm；A height of 80mm~800mm, preferably
100mm~600mm.
The distance between described two neighboring anode collection layer is 1mm~20mm, the height of as positive reaction chamber；It is described
The distance between two neighboring negative pole currect collecting layer is 0.5mm~15mm, the as height of negative reaction chamber.
The isolation window includes bipolarity separation layer and " returning " type forms, two panels hollow forms are compressed by bonding, mold,
Bipolarity separation layer is fixed on vacancy in forms by the modes such as room temperature casting, hot-pressing processing, and the material of " time " the type forms is
One or more of electrical insulating material, preferably polypropylene, polyethylene, polytetrafluoroethylene (PTFE).
The isolation window is inserted into the straight-through empty slot of battery frame by the card slot being arranged, isolation window and straight-through empty slot it
Between gap sealed by modes such as bonding, room temperature casting, high-temperature injections.
The bipolarity separation layer be by separation layer and positioned at separation layer two sides and with separation layer be in close contact it is porous
What anode collection layer and porous negative pole currect collecting layer formed.Wherein, the separation layer is isolation porous anode current collector layer and porous negative
Pole current collector layer simultaneously prevents the electronics in battery from passing freely through, and the lithium ion in electrolyte or gel electrolyte can be free
By electric insulators, with a thickness of 0.005mm~1mm.Porous anode current collector layer and porous negative pole currect collecting layer be all lithium from
Son and electronics can freely through ion/electronics hybrid conductive layer, thickness is all 10 μm~1000 μm, through-hole porosity
It is 10%~85%, 0.01 μm~500 μm of pore diameter range.
Further, the separation layer is that polyethylene, polypropylene, Kynoar or other electronics are nonconducting porous
Polymer material；Alternatively, separation layer be glass fibre non-woven, non-woven fabrics of synthetic fiber, ceramic fiber paper or other electronics not
The composite porous material of conductive inorganic non-metallic material and organic polymer；Alternatively, the material of separation layer is not led using electronics
The gel polymer electrolyte composite material of electric polymeric matrix, liquid organic plasticizers and the compound composition of lithium salts three parts.
Further, the nonconducting porous polymer material of the electronics, inorganic non-metallic material and organic polymer is compound porous
The electrolyte or polymeric colloid material of ionic conduction are impregnated in the hole of material.
The porous anode current collector layer be conductive filler and binder porous mixture, wherein conductive filler be titanium valve,
One of aluminium powder, silver powder, rich lithium silicon powder, lithium alloys powder metalloid alloy conductive particle, or carbon material containing lithium are several
Kind, the mass fraction of conductive filler is not less than 70%.Alternatively, the porous anode current collector layer is that the metal with porous structure is led
Electric layer, metal conducting layer are that the metal wire knitted of wire or surface with conductive carbon material coating forms, and mesh is rectangular, water chestnut
Shape, rectangle or polygon etc.；Alternatively, the metal conducting layer is the porous foam metal layer with porous structure, Huo Zhewei
Expanded metal or metal foil are formed through mechanical stamping or chemical attack, and the material of metal conducting layer is aluminium, alloy aluminum, stainless
Steel, silver, tin or titanium, preferably aluminium.Alternatively, the porous anode current collector layer is electric conduction of carbon fiber cloth, wire and organic fiber
Silk hybrid conductive cloth, surface coating conductive carbon material coating or the porous organic material for being coated with metallic film, described porous have
Machine material includes natural linen-cotton, terylene, aramid fiber, nylon, polypropylene, polyethylene, polytetrafluoroethylene (PTFE) and other electrolyte resistance energy
Good organic matter.Alternatively, the porous anode current collector layer is the polyelectrolyte floor added with above-mentioned conductive filler, it is described
Polyelectrolyte floor is the gel polymer electrolyte of polymeric matrix, liquid organic plasticizers and the compound composition of lithium salts three parts
Composite material.Alternatively, the porous anode current collector layer is any in above-mentioned several current collector layers composed by two or more
Composite Set fluid layer.
The porous negative pole currect collecting layer is conductive filler and binder porous mixture, wherein conductive filler is titanium valve, copper
Powder, silver powder, rich lithium silicon powder, lithium alloys powder metalloid alloy conductive particle or carbon black, carbon nanotube, carbon fiber, graphite
The mass fraction of one or more of alkene, carbon material containing lithium, conductive filler is not less than 70%.Alternatively, the porous cathode collection
Fluid layer is the metal conducting layer with porous structure, and metal conducting layer is the gold that wire or surface have conductive carbon material coating
Belong to silk to weave, mesh is rectangular, diamond shape, rectangle or polygon etc.；Alternatively, the metal conducting layer is with porous knot
The porous foam metal layer of structure, or formed for expanded metal or metal foil through mechanical stamping or chemical attack, metallic conduction
The material of layer is stainless steel, nickel, titanium, silver, tin, tin-coated copper, nickel-clad copper, silver-plated copper, preferably nickel-clad copper.Alternatively, described porous
Negative pole currect collecting layer is electric conduction of carbon fiber cloth, wire and organic fiber silk hybrid conductive cloth, surface coating conductive carbon material coating
Or it is coated with the porous organic material of metallic film, the porous organic material includes natural linen-cotton, terylene, aramid fiber, nylon, gathers
Propylene, polyethylene, polytetrafluoroethylene (PTFE) and other electrolyte resistances can good organic matters.Alternatively, the porous negative pole currect collecting layer
For the polyelectrolyte floor added with above-mentioned conductive filler, the polyelectrolyte floor is polymeric matrix, liquid is organic
The gel polymer electrolyte composite material of plasticizer and the compound composition of lithium salts three parts.Alternatively, the porous negative pole currect collecting layer
For any Composite Set fluid layer composed by two or more in above-mentioned several current collector layers.
Preferably, it can be equipped with electrode layer in the porous afflux layer surface, wherein electrode layer is electrode active material, leads
The mixture of electric agent and/or adhesive passes through the tape casting, infusion process or the side such as showering, thermal spraying, brushing or bonding, two-sided roll-in
Formula is fixed on the two sides of porous current collector layer and dry drying is made；Alternatively, by the tape casting, showering, thermal spraying, brushing, bonding,
Or the modes such as single side roll-in are fixed on the other side that porous current collector layer is contacted with separation layer and dry drying is made；The mixture
Group becomes electrode active material: conductive agent: adhesive=40~95%:1~30%:0~20% by mass percentage.
The anode collection layer of the bipolarity separation layer is equipped with positive pole ear, and negative pole currect collecting layer is equipped with negative lug, anode
Tab and negative lug pass through the extraction of " returning " type forms, preferably pair of positive pole ear and negative lug from bipolarity separation layer
It draws at angle.
All positive pole ears are connected with Positive Poles in the cell reaction device, the Positive Poles be conductive aluminium bar or
The plastic bar that surface is aluminized, Positive Poles are fixed on battery frame；All negative lugs are connected with negative pole, the cathode
Pole is the plastic bar of conductive copper bar or copper coating, and negative pole is fixed on battery frame.
Further, the integrated lithium flow battery reactor of the present invention further include: flow distribution plate and cylinder manifold, wherein flow distribution plate
Positioned at battery frame the face side A and be in close contact and fix with face A, cylinder manifold is located at the face A of battery framework1Side and with face A1Tightly
Contiguity is touched and is fixed.
The flow distribution plate is respectively equipped with positive sprue and cathode sprue along both sides of edges, while according to positive flow path groove
Position and quantity with cathode flow path groove, are arranged in a one-to-one correspondence positive runner and cathode runner, runner on flow distribution plate
Positive tap hole and cathode tap hole is respectively set, the anode sprue is communicated with positive runner, the cathode sprue
It is communicated with cathode runner, positive sprue, positive runner and cathode sprue, cathode runner are not communicated with.The anode
Sprue is connected with positive inlet, and cathode sprue is connected with cathode inlet.
The cylinder manifold structure is identical as manifold structure, and positive sprue is connected with positive liquid outlet, cathode sprue
It is connected with cathode liquid outlet.
The anode flow distribution plate, positive cylinder manifold, cathode flow distribution plate and cathode confluence plate material are insulation corrosion-resistant material
Material, preferably one or more of polypropylene, polyethylene, polytetrafluoroethylene (PTFE).
When integrated downflow type lithium flow battery reactor works, positive suspension enters flow distribution plate from positive inlet
Positive sprue enters positive reaction chamber by the positive tap hole of positive runner bottom and reacts, after the reaction was completed just
Pole suspension is flowed out on the positive flow manifold on cylinder manifold by the positive tap hole on cylinder manifold, main finally by anode
Runner is flowed out through positive liquid outlet；Meanwhile cathode suspension enters the cathode sprue of flow distribution plate from cathode inlet, by negative
The cathode tap hole of pole runner bottom enters negative reaction chamber and reacts, and after the reaction was completed, cathode suspension passes through confluence
Cathode tap hole on plate enters on the cathode runner on cylinder manifold, finally by cathode sprue through cathode liquid outlet stream
Out.
The type of flow of semisolid lithium flow battery reactor electrodes suspension of the present invention uses downflow type, only with one group
Flow distribution plate and cylinder manifold, package assembly is simple, and summation watt rating is relatively high.
Technical advantage of the invention is embodied in:
(1) compared with locking mechanism is laminated, integrated lithium flow battery structure of reactor is without considering between every layer
Sealing is fixed, and the safety of battery is improved, meanwhile, integrated structure also eliminates end plate for providing coupling mechanism force, draws
The weight of the components such as bar and spring, improves the gravimetric specific power of cell reaction device；
(2) integrated lithium flow battery reactor is simple to manufacture, easy to assembly, is reduced battery cost, is reduced work
Cheng Liang.
Detailed description of the invention
Fig. 1 is lithium flow battery reactor cell circuit theory schematic diagram of the present invention, wherein figure (a) is battery framework knot
Structure schematic diagram, A-A1Face, B-B1Face and C-C1Face is three groups of opposites of battery framework, and figure (b) is battery framework edge in (a) figure
M-M1The sectional view in direction, figure (c) are the face battery framework A front view；100-battery frames；101-straight-through empty slots；102-just
Pole flow path groove；103-cathode flow path grooves；In A-A1Distance between empty slot and positive flow path groove or cathode flow path groove is led directly on face is
D leads directly to the length L of empty slot1, the length L of positive flow path groove2, the length L of cathode flow path groove2；
Fig. 2 is isolation window assembly structure diagram of the present invention, wherein 200-isolation windows；201-separation layers；More than 202-
Hole anode collection layer；203-porous negative pole currect collecting layers；204-" returning " type forms；205-positive pole ears；206-negative lugs；
Fig. 3 is manifold structure schematic diagram in the embodiment of the present invention 1, wherein figure (a) is manifold structure schematic diagram, figure
It (b) is flow distribution plate along N-N1The cross-sectional view in direction；300-flow distribution plates；301-positive sprues；302-cathode sprues；
303-positive runner convex bodys；304-cathode runner convex bodys；305-positive tap holes；306-cathode tap holes；307—
Holding tank；308-positive runners；309-cathode runners；
Fig. 4 is the integrated lithium flow battery reactor assembly structure diagram of the present invention, wherein 401-positive diversion rods；
402-cathode diversion rods；
Fig. 5 is integrated downflow type lithium flow battery structure of reactor schematic diagram, wherein 500-integrated downflow type lithiums
Flow battery reactor；501-positive inlets；502-positive liquid outlets；503-cathode inlets；504-cathode go out liquid
Mouthful；505-cylinder manifolds.
Specific embodiment
With reference to the accompanying drawing, by embodiment, the present invention will be further described.
Embodiment one:
A kind of 1kW~10kW integration downflow type lithium flow battery reactor 500, including battery frame are provided in the present embodiment
Frame 100, isolation window 200, flow distribution plate 300, cylinder manifold 505, positive diversion rod 401, cathode diversion rod 402, positive inlet
501, positive liquid outlet 502, cathode inlet 503, cathode liquid outlet 504.
Wherein, 100 material of battery frame is teflon insulation resistant material, size are as follows: a length of 800mm, width are
500mm, a height of 500mm.The opposite two sides A-A of battery frame 1001Face is equipped with 100 pairs of straight-through skies for accommodating the isolation window 200
101,100 isolation windows 200 of slot are arranged successively insertion battery frame 100 according to identical polar current collector layer sequence staggered relatively
In straight-through empty slot 101, the positive reaction chamber and negative reaction chamber for alternateing interval, two neighboring porous anode current collector layer are constituted
The chamber formed between 202 is positive reaction chamber, and the chamber formed between two neighboring porous negative pole currect collecting layer 203 is that cathode is anti-
Chamber is answered, the height of positive reaction chamber is 6mm, and the height of negative reaction chamber is 8mm.
In A-A1The position of the corresponding positive reaction chamber in face is equipped with positive flow path groove 102, and positive suspension passes through positive runner
Slot accomplished continuously or intermittently flows in positive reaction chamber, in A-A1The position that face corresponds to negative reaction chamber is equipped with cathode flow path groove 103,
Cathode suspension is accomplished continuously or intermittently flowed by cathode flow path groove negative reaction is intracavitary.
In A-A1On face, accommodating distance d between the straight-through empty slot 101 of isolation window 200 and positive flow path groove 102 is 1mm, directly
Distance d is 1mm between through empty slot 101 and cathode flow path groove 103, leads directly to the length L of empty slot 1011For 450mm, positive flow path groove
Or the length L of cathode flow path groove2For 400mm, the length L of empty slot 101 is led directly to1Greater than the length of positive flow path groove or negative flow path groove
L2, it is therefore an objective to the mutual leakage between electrode suspension is avoided, facilitates isolation window 200 and battery frame 100 to seal and fixes.
Isolation window 200 includes " returning " type forms 204 and " returns " bipolarity in middle vacancy between type forms 204 positioned at two panels
Separation layer, two panels " returns " type forms 204 and bipolarity separation layer is fixed on vacancy in forms by bonding processing mode, described
The material of " returning " type forms is the polytetrafluoroethylene material of electronic isolation, and bipolarity separation layer is by separation layer 201 and to be located at
201 two sides of separation layer and the porous anode current collector layer 202 being in close contact with separation layer 201 and porous negative pole currect collecting layer 203 form.
Isolation window 200 is inserted into the straight-through empty slot 101 of battery frame 100 by the card slot being arranged, isolation window 200 and straight
Gap between through empty slot 101 is sealed by modes such as bondings.
The porous anode current collector layer 202 of bipolarity separation layer is equipped with positive pole ear 205, and porous negative pole currect collecting layer 203 is equipped with
Negative lug 206, positive pole ear 205 and negative lug 206 do diagonal extraction by " returning " type forms 200.Positive pole ear 205
It is connected on positive diversion rod 401 by welding, negative lug 206 is connected to cathode diversion rod by welding
On 402.
In the present embodiment, flow distribution plate 300, which is located at the face side A of battery frame 100 and is in close contact with face A, to be fixed, fixation side
Formula is fastened using screw rod and adhesive sealing, flow distribution plate 300 are respectively equipped with positive sprue 301 and cathode sprue along both sides of edges
302, while according to position and the quantity of positive flow path groove 102 and cathode flow path groove 103, it corresponds and sets on flow distribution plate 300
Positive runner 308 and cathode runner 309 are set, positive tap hole 305 and cathode tap hole 306 is respectively set in runner, just
Pole sprue 301 is connected to positive runner 308, and cathode sprue 302 is connected to cathode runner 309, positive sprue
301, positive runner 308 is not communicated with cathode sprue 302, cathode runner 309.
Flow distribution plate 300 is equipped with positive runner convex body 303 in the present embodiment and cathode runner convex body 304, anode shunt
Road convex body 303 is embedded into positive flow path groove 102, and cathode runner convex body 304 is embedded into cathode flow path groove 103, improves electricity
The leakproofness of pole Fibre Suspensions.
505 structure of cylinder manifold is identical as 300 structure of flow distribution plate, and flow distribution plate 300, which is equipped with, can accommodate positive pole ear 205 and just
The holding tank of pole diversion rod 401, cylinder manifold are equipped with the holding tank that can accommodate negative lug 206 and cathode diversion rod 402.
Positive sprue 301 on flow distribution plate 300 is connected to positive inlet 501, cathode sprue 302 and cathode feed liquor
Mouth 503 is connected to.Positive sprue on cylinder manifold 505 is connected to positive liquid outlet 502, cathode sprue and cathode liquid outlet
504 connections.
Flow distribution plate 300 and 505 material of cylinder manifold are insulation resistant material polytetrafluoroethylene (PTFE).
When integrated downflow type lithium flow battery reactor 500 works, positive suspension enters from positive inlet 501 and divides
The positive sprue 301 of flowing plate 300 enters positive reaction chamber by the positive tap hole 305 of positive 308 bottom of runner and occurs
Reaction, positive suspension flows out to the anode on cylinder manifold 505 point by the positive tap hole on cylinder manifold 505 after the reaction was completed
It flows on runner, is flowed out finally by positive sprue through positive liquid outlet 502；Meanwhile cathode suspension is from cathode inlet 503
Into the cathode sprue 302 of flow distribution plate 300, negative reaction is entered by the cathode tap hole 306 of 309 bottom of cathode runner
Chamber reacts, and after the reaction was completed, cathode suspension is entered on cylinder manifold 505 by the cathode tap hole on cylinder manifold 505
Cathode runner on, finally by cathode sprue through cathode liquid outlet 504 flow out.
Embodiment two:
In the present embodiment, isolation window 200 includes " returning " type forms 205 and " returns " between type forms 205 positioned at two panels
The bipolarity separation layer in vacancy, wherein bipolarity separation layer be by separation layer 201 and be located at 201 two sides of separation layer and be isolated
The porous anode current collector layer 202 and porous negative pole currect collecting layer 203 composition that layer 201 is in close contact.
Wherein, separation layer 201 is the positive and negative current collector layer of isolation and prevents the electronics in battery from passing freely through, and electrolyte
Or the lithium ion in gel electrolyte can freely through electric insulators, with a thickness of 0.2mm.Porous anode current collector layer
202 and porous negative pole currect collecting layer 203 all for lithium ion and electronics can freely through ion/electronics hybrid conductive layer, it is thick
Degree is all 200 μm.Porous anode current collector layer 202 and porous negative pole currect collecting layer 203 are placed in the two sides of separation layer 201, and with every
Absciss layer 201 is in close contact, and " returning " type forms 205 pass through hot-pressing processing fixed form and porous anode current collector layer 202, separation layer
201 and the edge of porous negative pole currect collecting layer 203 be combined with each other.
The material for forming separation layer 201, porous anode current collector layer 202 and porous negative pole currect collecting layer 203 is as shown in table 1.
1 separation layer of table, porous anode current collector layer and porous negative pole currect collecting layer material
Other contents of the present embodiment are the same as example 1.
The specific embodiment of the invention is not intended to limit the invention.Anyone skilled in the art is not departing from
Under technical solution of the present invention ambit, all technical solution of the present invention is made using the methods and technical content of the disclosure above
Many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all without departing from the technology of the present invention side
The content of case, any simple modifications, equivalents, and modifications made to the above embodiment according to the technical essence of the invention,
It still falls within the scope of protection of the technical scheme of the present invention.
Claims (12)
1. integrated downflow type lithium flow battery reactor, including battery frame, isolation window, the battery frame is inner hollow
Cuboid, cuboid contain three groups of opposite face A-A1Face, B-B1Face and C-C1Face:
The isolation window includes " returning " type forms and " returns " the bipolarity separation layer in middle vacancy between type forms positioned at two panels,
Middle bipolarity separation layer is the porous anode current collector layer by separation layer and positioned at separation layer two sides and with separation layer close contact
It is formed with porous negative pole currect collecting layer；In the opposite two sides A-A of cuboid1Face is equipped with several pairs of straight-through skies for accommodating the isolation window
Slot, several described isolation windows are arranged successively the straight-through empty slot of insertion according to identical polar current collector layer sequence staggered relatively, constitute
Alternate the positive reaction chamber and negative reaction chamber at interval；The isolation window and C-C1Face is parallel；
In A-A1Face is constituted equipped with positive flow path groove between two straight-through empty slots of positive reaction chamber, and positive suspension passes through anode
Flow path groove accomplished continuously or intermittently flows in positive reaction chamber, in A-A1It is set between two straight-through empty slots of face composition negative reaction chamber
There is a cathode flow path groove, cathode suspension is accomplished continuously or intermittently flowed by cathode flow path groove negative reaction is intracavitary.
2. integration downflow type lithium flow battery reactor as described in claim 1, it is characterised in that: in A-A1It is described on face
It accommodates distance d between the straight-through empty slot of isolation window and positive flow path groove and cathode flow path groove and is greater than zero, and the length of straight-through empty slot
L1Greater than positive flow path groove or the length L of cathode flow path groove2。
3. integration downflow type lithium flow battery reactor as described in claim 1, it is characterised in that: the battery frame material
Material is insulation resistant material；A length of 100mm~1000mm, width are 80mm~800mm, a height of 80mm~800mm.
4. integration downflow type lithium flow battery reactor as claimed in claim 3, it is characterised in that: the insulation is corrosion-resistant
Material is one or more of polypropylene, polyethylene, polytetrafluoroethylene (PTFE).
5. integration downflow type lithium flow battery reactor as described in claim 1, it is characterised in that: the isolation window includes
Bipolarity separation layer and " returning " type forms, two panels " return " type forms be poured by bonding, mold compression, room temperature, hot-pressing processing
Bipolarity separation layer is fixed on vacancy in forms by mode；The material of " time " the type forms is electrical insulating material.
6. integration downflow type lithium flow battery reactor as claimed in claim 5, it is characterised in that: the electronic isolation material
Material is one or more of polypropylene, polyethylene, polytetrafluoroethylene (PTFE).
7. integration downflow type lithium flow battery reactor as described in claim 1, it is characterised in that: the separation layer be every
Electric insulators from porous anode current collector layer and porous negative pole currect collecting layer, the electric insulators electronics cannot pass freely through and
Lithium ion in electrolyte can pass freely through, with a thickness of 0.005mm~1mm；
Separation layer is polyethylene, polypropylene or Kynoar；Alternatively, separation layer be glass fibre non-woven, synthetic fibers without
Woven fabric or ceramic fiber paper；Alternatively, the material of separation layer uses the nonconducting polymeric matrix of electronics, liquid organic plasticizers
With the gel polymer electrolyte composite material of the compound composition of lithium salts three parts.
8. integration downflow type lithium flow battery reactor as described in claim 1, it is characterised in that: the porous anode collection
Fluid layer and porous negative pole currect collecting layer be lithium ion and electronics can freely through ion/electronics hybrid conductive layer, with a thickness of
10 μm~1000 μm, through-hole porosity be 10%~85%, 0.01 μm~500 μm of pore diameter range；
The porous anode current collector layer is the porous mixture of conductive filler and binder, wherein conductive filler is titanium valve, aluminium
One or more of powder, silver powder, rich lithium silicon powder, lithium alloys powder metalloid alloy conductive particle, or carbon material containing lithium,
The mass fraction of conductive filler is not less than 70%；Alternatively, the porous anode current collector layer is the metallic conduction with porous structure
Layer, metal conducting layer are that the metal wire knitted of wire or surface with conductive carbon material coating forms, and mesh is rectangular, water chestnut
Shape, rectangle；It alternatively, the metal conducting layer is the porous foam metal layer with porous structure, or is expanded metal
Or metal foil is formed through mechanical stamping or chemical attack, the material of metal conducting layer be aluminium, alloy aluminum, stainless steel, silver, tin or
Titanium；Alternatively, the porous anode current collector layer is electric conduction of carbon fiber cloth, wire and organic fiber silk hybrid conductive cloth, surface painting
Cover conductive carbon material coating or be coated with the porous organic material of metallic film, the porous organic material include natural linen-cotton,
Terylene, aramid fiber, nylon, polypropylene, polyethylene or polytetrafluoroethylene (PTFE)；Alternatively, the porous anode current collector layer is added with above-mentioned
The polyelectrolyte floor of conductive filler, the polyelectrolyte floor are polymeric matrix, liquid organic plasticizers and lithium salts
The gel polymer electrolyte composite material of the compound composition of three parts；Alternatively, the porous anode current collector layer is above-mentioned several collection
Two or more any composed Composite Set fluid layers in fluid layer；
The porous negative pole currect collecting layer is conductive filler and binder porous mixture, wherein conductive filler be titanium valve, copper powder,
Silver powder, rich lithium silicon powder, lithium alloys powder metalloid alloy conductive particle or carbon black, carbon nanotube, carbon fiber, graphene,
The mass fraction of one or more of carbon material containing lithium, conductive filler is not less than 70%；Alternatively, the porous negative pole currect collecting layer
For the metal conducting layer with porous structure, metal conducting layer is the wire that wire or surface have conductive carbon material coating
It weaves, mesh is rectangular, diamond shape, rectangle；Alternatively, the metal conducting layer is the porous foam gold with porous structure
Belong to layer, or formed for expanded metal or metal foil through mechanical stamping or chemical attack, the material of metal conducting layer is stainless
Steel, nickel, titanium, silver, tin, tin-coated copper, nickel-clad copper, silver-plated copper；Alternatively, the porous negative pole currect collecting layer is electric conduction of carbon fiber cloth, gold
Belong to silk and organic fiber silk hybrid conductive cloth, surface coating conductive carbon material coating or the porous organic material for being coated with metallic film
Material, the porous organic material includes natural linen-cotton, terylene, aramid fiber, nylon, polypropylene, polyethylene or polytetrafluoroethylene (PTFE)；Or
Person, the porous negative pole currect collecting layer are the polyelectrolyte floor added with above-mentioned conductive filler, the polyelectrolyte floor
For polymeric matrix, the gel polymer electrolyte composite material of liquid organic plasticizers and the compound composition of lithium salts three parts；Or
Person, the porous negative pole currect collecting layer are two or more any composed Composite Set fluid layers in above-mentioned several current collector layers.
9. integration downflow type lithium flow battery reactor as described in claim 1, it is characterised in that: in the porous anode
Current collector layer and/or negative pole currect collecting layer surface are equipped with electrode layer, and wherein electrode layer is electrode active material, conductive agent and/or bonding
The mixture of agent is fixed on porous by way of the tape casting, infusion process or showering, thermal spraying, brushing or bonding, two-sided roll-in
The two sides of current collector layer and dry drying is made；Alternatively, passing through the tape casting, showering, thermal spraying, brushing, bonding or single side roll-in
Mode is fixed on the other side that porous current collector layer is contacted with separation layer and dry drying is made；The mixture is by mass percentage
Group becomes electrode active material: conductive agent: adhesive=40~95%:1~30%:0~20%.
10. integration downflow type lithium flow battery reactor as described in claim 1, it is characterised in that: the lithium liquid stream electricity
Pond reactor includes: flow distribution plate and cylinder manifold, wherein flow distribution plate is located at the face side A of battery frame and is in close contact with face A solid
Fixed, cylinder manifold is located at the face A of battery framework1Side and with face A1It is in close contact and fixes.
11. integration downflow type lithium flow battery reactor as claimed in claim 10, it is characterised in that: the flow distribution plate edge
Both sides of edges is respectively equipped with positive sprue and cathode sprue, while according to the position of the positive flow path groove and cathode flow path groove
It sets and quantity, positive runner and cathode runner is arranged in a one-to-one correspondence on flow distribution plate, positive shunting is respectively set in runner
Hole and cathode tap hole, the anode sprue are communicated with positive runner, and the cathode sprue is communicated with cathode runner,
Positive sprue, positive runner and cathode sprue, cathode runner are not communicated with；The anode sprue and positive inlet
It is connected, cathode sprue is connected with cathode inlet；
The cylinder manifold structure is identical as manifold structure, and positive sprue is connected with positive liquid outlet, cathode sprue with bear
Pole liquid outlet is connected.
12. integration downflow type lithium flow battery reactor as claimed in claim 10, it is characterised in that: the anode shunts
Plate, positive cylinder manifold, cathode flow distribution plate and cathode confluence plate material be one of polypropylene, polyethylene, polytetrafluoroethylene (PTFE) or
It is several.
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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 |
| EP3667796A4 (en) * | 2017-08-10 | 2021-05-12 | Kyocera Corporation | Flow battery |
| CN116404189B (en) * | 2023-06-08 | 2023-09-08 | 上海治臻新能源股份有限公司 | Fluid conversion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008117721A (en) * | 2006-11-08 | 2008-05-22 | Matsushita Electric Ind Co Ltd | Secondary battery |
| CN102931427A (en) * | 2012-11-07 | 2013-02-13 | 北京好风光储能技术有限公司 | Lithium-ion flow battery reactor |
| CN102945978A (en) * | 2012-11-07 | 2013-02-27 | 中国科学院电工研究所 | Lithium ion flow battery reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008117721A (en) * | 2006-11-08 | 2008-05-22 | Matsushita Electric Ind Co Ltd | Secondary battery |
| CN102931427A (en) * | 2012-11-07 | 2013-02-13 | 北京好风光储能技术有限公司 | Lithium-ion flow battery reactor |
| CN102945978A (en) * | 2012-11-07 | 2013-02-27 | 中国科学院电工研究所 | Lithium ion flow battery reactor |
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