CN102931427B - Lithium-ion flow battery reactor - Google Patents
Lithium-ion flow battery reactor Download PDFInfo
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- CN102931427B CN102931427B CN201210440281.3A CN201210440281A CN102931427B CN 102931427 B CN102931427 B CN 102931427B CN 201210440281 A CN201210440281 A CN 201210440281A CN 102931427 B CN102931427 B CN 102931427B
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 78
- 239000000725 suspension Substances 0.000 claims abstract description 69
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 239000012530 fluid Substances 0.000 claims description 51
- 230000036647 reaction Effects 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 abstract description 30
- 239000011261 inert gas Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 10
- 239000002131 composite material Substances 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000008187 granular material Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000010405 anode material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- -1 cell reaction device Substances 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- PWKWDCOTNGQLID-UHFFFAOYSA-N [N].[Ar] Chemical compound [N].[Ar] PWKWDCOTNGQLID-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001386 lithium phosphate Inorganic materials 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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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- Hybrid Cells (AREA)
Abstract
The invention discloses a lithium-ion flow battery reactor. A collecting plate is a corrugated plate, electrode suspension liquid can flow into cavities evenly, the collecting area is increased, and the multiplying power performance of a battery can be improved effectively; steering coves are arranged on sides of two adjacent battery modules, so that the electrode suspension liquid flows every battery module sequentially, an S-shaped flowing field is formed, the flowing speed of the electrode suspension liquid is accelerated, the effective volume of the battery reaction is increased, the energy density of the battery can be improved greatly, and at the same time, the electrode suspension liquid in battery modules flows evenly; a liquid inlet diversion chamber and a liquid outlet diversion chamber with a main flowing channel and a branch flowing channel can reduce effects on battery uniformity, which are due to a turbulent flow phenomenon caused by liquid inlet and liquid outlet; inert gases enter a battery reactor through gas flow channels of a gas protective chamber and a cooling plate, the gas tightness and the radiating performance of the whole battery reactor are guaranteed, and at the same time, water vapor and oxygen in the air are prevented from being in contact with the electrode suspension liquid.
Description
Technical field
The invention belongs to chemical energy storage battery technology, be specifically related to a kind of lithium ion flow battery reactor.
Background technology
Along with global energy is day by day in short supply, the development of emerging energy industry is imperative, but must rely on energy storage technology.Energy-accumulating power station is a breakthrough in energy storage technology field, and electrochemical energy storage, owing to having the advantages such as energy density is high, simple and reliable, occupies very important status in electric energy application.
Lithium ion flow battery combines the advantage of lithium ion battery and flow battery, is large, the lower-cost novel rechargeable battery of a kind of energy density.Lithium ion flow battery is made up of anodal pool of suspension, negative pole pool of suspension, cell reaction device, liquid pump (or other dynamical systems) and closed conduit.Wherein, anodal pool of suspension holds the mixture of anode composite material particle (as composite ferric lithium phosphate material particle) and electrolyte, and negative pole pool of suspension holds the mixture of anode material particle (as lithium titanate composite material particle) and electrolyte.When lithium ion flow battery work, electrode suspension flows between electrode pool of suspension and cell reaction device by closed conduit under the promotion of liquid pump (or other power), and flow velocity can regulate according to electrode suspension concentration and ambient temperature (or power size).
The critical component of lithium ion flow battery is cell reaction device.Existing lithium ion flow battery reactor is made up of the electrode box with chi structure, manufacture craft is simple, thereby the two membrane configurations that adopt can avoid internal short-circuit of battery greatly to improve the security performance of battery, because positive and negative electrode sheet spacing is little, compact conformation, the charge-discharge performance of battery and energy density are improved greatly simultaneously.Not enough is; electrode suspension mobility in dull and stereotyped collector plate is poor and inhomogeneous; simultaneously because electrode suspension is made up of organic electrolyte, electrode active material and conductive agent; a kind of non-water system suspension of thickness; current cell reaction device is due to gas shield device and gas channel not being set; make current cell reaction device security performance lower, and thermal diffusivity is bad, these problems have affected to a certain extent overall performance and the scale of lithium ion flow battery and have implemented.
Summary of the invention
In order to overcome the shortcomings such as the electrode Fibre Suspensions existing in current battery reactor is poor, air-tightness is not enough, thermal diffusivity is bad, the invention provides a kind of lithium ion flow battery reactor, cell reaction device of the present invention is also applicable to scale preparation and sizable application.
The object of the present invention is to provide a kind of lithium ion flow battery reactor.
In the present invention, anode collection plate and negative pole currect collecting plate are referred to as collector plate; Anodal suspension and negative pole suspension are referred to as electrode suspension.
A kind of lithium ion flow battery reactor of the present invention comprises: porous septum, anode collection plate and negative pole currect collecting plate, and anode collection plate, porous septum and negative pole currect collecting plate are superimposed mutually, form the structure that porous septum and collector plate superpose mutually; Wherein, anode collection plate and negative pole currect collecting plate are the corrugated sheet with straight-through groove, and the straight-through groove direction of anode collection plate and the straight-through groove direction of negative pole currect collecting plate are mutually vertical; Between two-layer porous septum, be provided with anode collection plate and form anodal reaction chamber, between two-layer porous septum, be provided with negative pole currect collecting plate and form negative reaction chamber, wherein between porous septum and collector plate, be adhesively fixed in the both sides of collector plate along groove direction, adjacent anodal reaction chamber and the edge surrounding of negative reaction chamber are adhesively fixed; Anodal suspension is at anodal reaction chamber along the circulation of groove direction, and negative pole suspension circulates along groove direction at negative reaction chamber; The side at the two ends of anodal suspension circulation direction is respectively A face and A ˊ face, and the side at the two ends of negative pole suspension circulation direction is respectively B face and B ˊ face, and A face and A ˊ face are orthogonal with B face and B ˊ face respectively.
The section waveform of collector plate of the present invention comprises: sine wave, square wave, triangular wave, trapezoidal wave, sawtooth waveforms, impulse wave or have convex-concave rise and fall special-shaped ripple.
Collector plate of the present invention is non-planar plate, but corrugated sheet, and along with the convex-concave of the waveform of corrugated sheet rises and falls, the upper surface of corrugated sheet and lower surface form respectively straight-through groove, thereby electrode suspension is along the direction circulation of straight-through groove.Collector plate of the present invention adopts corrugated sheet, can make electrode suspension flow into equably each reaction chamber, has improved the mobility of electrode suspension, increases catchment area simultaneously, effectively improves the multiplying power property of battery.
The metallic plate that the material of anode collection plate adopts aluminium or surface to aluminize, thickness is 0.05 ~ 0.5 millimeter; One in material employing copper, nickel or the copper coating of negative pole currect collecting plate, the metallic plate of nickel plating, thickness is 0.05 ~ 0.5 millimeter.And anode collection plate is respectively arranged with positive pole ear at A face and A ˊ face, and each layer of anode collection plate is connected by positive pole ear by Positive Poles respectively; Negative pole currect collecting plate is respectively arranged with negative lug at B face and B ˊ face, and each layer of negative pole currect collecting plate is connected by negative lug by negative pole pole respectively; Positive Poles and negative pole pole are respectively the Metallic rod of conduction.
Further, the salient point rising and falling in the convex-concave of anode collection plate or negative pole currect collecting plate or the outside of concave point scribble insulating barrier, to prevent that long-term use from causing porous septum breakage, makes the contact point short circuit of anode collection plate and negative pole currect collecting plate.The thickness of insulating barrier is less than 0.1 millimeter.
The material of porous septum adopts the one in the nonconducting polymeric material of electronics of polyethylene, polypropylene, Kynoar etc., or the one in the nonconducting microporous inorganic nonmetallic materials of electronics of employing glass fibre non-woven, non-woven fabrics of synthetic fiber, ceramic fiber paper etc., or the material of porous septum adopts the gel polymer electrolyte composite material of the nonconducting polymeric matrix of electronics, the organic plasticizer of liquid and the compound formation of lithium salts three part.In the hole of porous septum, be the nonconducting electrolyte of electronics.The effect of porous septum be hinder anodal particle and negative pole granular materials pass through allows the electrolyte that contains lithium ion to pass through.
Electrode suspension flows through collector plate along the direction of the straight-through groove of corrugated sheet, and the direction of straight-through groove is the circulating direction of electrode suspension.Anodal suspension is from the A surface current of anode collection plate to A ˊ face, or from A ˊ surface current to A face; Negative pole suspension is from the B surface current of negative pole currect collecting plate to B ˊ face, or from B ˊ surface current to B face.
Cell reaction device further comprises two coldplates, and the structure that porous septum and collector plate superpose mutually, between coldplate, forms battery module.Cold plate surface has gas channel, and when battery operated, inert gas enters battery module along gas channel, cell reaction device has been played to the effect of cooling heat dissipation.N layer battery module is superimposed, composition battery pile, and wherein, n is natural number, and n >=2.
Further, battery pile feed liquor diversion chamber and fluid diversion chamber be set respectively above and below.The inside of feed liquor diversion chamber and fluid diversion chamber is respectively arranged with not connected anodal diversion cavity and negative pole diversion cavity, feed liquor diversion chamber is provided with anodal inlet and negative pole inlet, one end of anodal diversion cavity and negative pole diversion cavity is connected with negative pole inlet with anodal inlet respectively, and the other end leads to respectively mutually perpendicular two side-A faces and the B face of feed liquor diversion chamber; And fluid diversion chamber is provided with anodal liquid outlet and negative pole liquid outlet, one end of anodal diversion cavity and negative pole diversion cavity is connected with negative pole liquid outlet with anodal liquid outlet respectively, the other end leads to respectively mutually perpendicular two sides of fluid diversion chamber, A face and B face or A ˊ face and B ˊ face.
The same side of feed liquor diversion chamber and ground floor battery module, adjacent two-layer battery module and n layer battery module and fluid diversion chamber is provided with and turns to cover, for introducing or extraction electrode suspension, or connecting adjacent two-layer battery module, the anodal suspension that an effluent of each the anodal reaction chamber in last layer battery module is gone out flows into each anodal reaction chamber of lower one deck battery module of homonymy smoothly; Or the negative pole suspension that an effluent of each negative reaction chamber in last layer battery module is gone out flows into each negative reaction chamber of lower one deck battery module of homonymy smoothly.
If n is even number, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-2 layer and n-1 layer battery module and the A face in n layer battery module and fluid diversion chamber arrange
the individual cover that turns to, and, ground floor and second layer battery module ..., n-1 layer and n layer battery module A ˊ face arrange
the individual cover that turns to; And, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-2 layer and n-1 layer battery module and the B face in n layer battery module and fluid diversion chamber arrange
the individual cover that turns to, and, ground floor and second layer battery module ..., n-1 layer and n layer battery module B ˊ face arrange
the individual cover that turns to.
Anodal suspension flows into feed liquor diversion chamber by anodal inlet, the anodal diversion cavity of flowing through goes out from A surface current, turning to of A face by feed liquor diversion chamber and ground floor battery module covered each the anodal reaction chamber that flows into ground floor battery module, go out from the A ˊ surface current of ground floor battery module, by turning to cover to enter each anodal reaction chamber of second layer battery module from A ˊ surface current, go out from the A ˊ surface current of n-1 layer battery module, by turning to cover to enter each anodal reaction chamber of n layer battery module from A ˊ surface current, then go out from the A surface current of n layer battery module, by turning to cover to flow into fluid diversion chamber, thereby form S shape flow field, finally flow out from anodal liquid outlet through the anodal diversion cavity of fluid diversion chamber, refurn electrode pool of suspension.In like manner, negative pole suspension flows into feed liquor diversion chamber by negative pole inlet, the negative pole diversion cavity of flowing through goes out from B surface current, under the drainage that turns to cover, flow through successively each negative reaction chamber of every one deck battery module, form S shape flow field, finally flow out refurn electrode pool of suspension through the negative pole diversion cavity of fluid diversion chamber from negative pole liquid outlet.
If n is odd number, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-1 layer and n layer battery module A face arrange respectively
the individual cover that turns to, and, ground floor and second layer battery module ..., n-2 layer and n-1 layer battery module and arrange at the A ˊ of n layer battery module and fluid diversion chamber face
the individual cover that turns to; And, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-1 layer and n layer battery module B face arrange respectively
the individual cover that turns to, and, ground floor and second layer battery module ..., n-2 layer and n-1 layer battery module and arrange at the B ˊ of n layer battery module and fluid diversion chamber face
the individual cover that turns to.
Equally, anodal suspension or negative pole suspension flow into anodal diversion cavity or negative pole diversion cavity from anodal inlet or the negative pole inlet of feed liquor diversion chamber respectively, under the drainage that turns to cover, flow through successively each anodal reaction chamber or the negative reaction chamber of every layer of battery module, form S shape flow field, and finally flow out from anodal liquid outlet or the negative pole liquid outlet of fluid diversion chamber.
Because arranging, the side of the two-layer battery module by adjacent turns to cover, thereby make electrode suspension flow through successively every layer of battery module, form S shape flow field, accelerate the flowing velocity of electrode suspension, increase the effective volume of cell reaction, can greatly improve the energy density of battery, make the each layer of electrode suspension uniform-flow mistake in battery module simultaneously.
Further, the anodal diversion cavity of feed liquor diversion chamber and fluid diversion chamber and negative pole diversion cavity are tree-shaped, more than two runner that comprises sprue and branch out from sprue.Feed liquor diversion chamber is provided with anodal inlet and negative pole inlet, and anodal inlet is connected with negative pole diversion cavity sprue with the anodal diversion cavity of feed liquor diversion chamber respectively with negative pole inlet; Fluid diversion chamber is provided with anodal liquid outlet and negative pole liquid outlet, and anodal liquid outlet is connected with negative pole diversion cavity sprue with the anodal diversion cavity of fluid diversion chamber respectively with negative pole liquid outlet.There is feed liquor diversion chamber and the fluid diversion chamber of sprue and runner, can reduce the impact on batteryuniformity of flow-disturbing phenomenon that feed liquor and fluid bring.
Further, coldplate gas channel is groove, and the entrance and exit of groove is near four jiaos of coldplate, and is positioned at and turns to cover outside.Gas channel groove can be the continuous shape groove of linear, arc, shaped form etc.When battery operated, inert gas enters cell reaction device inside by the air admission hole of gas shield chamber, enters between two coldplates afterwards along gas channel entrance, cell reaction device has been played to the effect of cooling heat dissipation.
Further, lithium ion flow battery reactor of the present invention comprises gas shield chamber, wherein, feed liquor diversion chamber, battery pile, turn to cover and fluid diversion chamber be placed on Buchholz protection chamber interior, the top of gas shield chamber has air admission hole, venthole, Positive Poles hole, anodal inlet opening and negative pole inlet opening, anodal inlet opening and negative pole inlet opening are connected respectively anodal inlet and the negative pole inlet of feed liquor diversion chamber, and all Positive Poles are drawn and formed anodal main pole post by the wire Positive Poles hole that was connected; Bottom has negative pole pole column hole, anodal fluid hole and negative pole fluid hole, and anodal fluid hole is connected respectively anodal liquid outlet and negative pole liquid outlet with negative pole fluid hole, and all negative pole poles are drawn and formed negative pole main pole post by the wire negative pole pole column hole that was connected.Pass into inert gas at air inlet position; and the gas channel of each coldplate of process, flow out from venthole, make whole cell reaction device in inert gas shielding atmosphere; can intercept airborne steam and enter cell reaction device with oxygen and contact with electrode suspension, affect the use of battery.Inert gas comprises nitrogen or argon gas or nitrogen argon mixture gas, and air pressure is between 0.1-0.2Mpa.Advantage of the present invention:
1) collector plate of the present invention adopts corrugated sheet, can make electrode suspension flow into equably each chamber, has improved the mobility of electrode suspension, increases catchment area simultaneously, effectively improves the multiplying power property of battery;
2) arrange and turn to cover in the side of adjacent two-layer battery module, thereby make electrode suspension flow through successively every layer of battery module, form S shape flow field, accelerate the flowing velocity of electrode suspension, increase the effective volume of cell reaction, can greatly improve the energy density of battery, make the each layer of electrode suspension uniform-flow mistake in battery module simultaneously;
3) gas channel of gas shield chamber and coldplate, make inert protective gas can enter cell reaction device, ensured air-tightness and the thermal diffusivity of whole cell reaction device, isolated airborne steam contacts with electrode suspension with oxygen simultaneously, affects the use of battery;
4) there is feed liquor diversion chamber and the fluid diversion chamber of sprue and runner, can reduce the impact on batteryuniformity of flow-disturbing phenomenon that feed liquor and fluid bring.
Brief description of the drawings
Fig. 1 is the structural representation of collector plate of the present invention, wherein, (a) is stereogram, is (b) profile;
Fig. 2 is the schematic diagram of an embodiment of the structure that mutually superposes of porous septum of the present invention and collector plate;
Fig. 3 is the structural representation of an embodiment of battery module of the present invention;
Fig. 4 is the structural representation of an embodiment of feed liquor of the present invention diversion chamber, wherein, (a) is stereogram, is (b) profile along M-M ˊ line in figure (a), (c) be the profile along the middle L-L ˊ line of figure (a);
Fig. 5 is the structural representation that an embodiment of feed liquor diversion chamber and fluid diversion chamber is set respectively above and below of battery pile of the present invention;
Fig. 6 is four structural representations that turn to cover to link together that are arranged on the A face of battery pile in one embodiment of the present of invention;
Fig. 7 has feed liquor diversion chamber and fluid diversion chamber in battery pile of the present invention, surrounding is provided with the structural representation of an embodiment who turns to cover;
Fig. 8 is the structural representation of gas shield chamber of the present invention;
Fig. 9 is the fundamental diagram of an embodiment of lithium ion flow battery reactor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by example, the present invention will be further described.
As shown in Figure 1, collector plate of the present invention is the corrugated sheet with straight-through groove, and is provided with lug.The salient point rising and falling in the convex-concave of collector plate or the outside of concave point scribble insulating barrier 11.In the present embodiment, the section waveform of collector plate is sinusoidal wave.
As shown in Figure 2, lithium ion flow battery reactor of the present invention comprises: porous septum 3, anode collection plate 1 and negative pole currect collecting plate 2, the structure that formation anode collection plate, porous septum, negative pole currect collecting plate superpose mutually, wherein, anode collection plate 1 and negative pole currect collecting plate 2 are for having the corrugated sheet of straight-through groove, and the straight-through groove direction of anode collection plate and the straight-through groove direction of negative pole currect collecting plate are mutually vertical.Between two-layer porous septum 3, be provided with anode collection plate 1 and form anodal reaction chamber, between two-layer porous septum 3, be provided with negative pole currect collecting plate 2 and form negative reaction chamber, wherein between porous septum and collector plate, be adhesively fixed in the both sides of collector plate along groove direction, adjacent anodal reaction chamber and negative reaction chamber edge surrounding are adhesively fixed.Anodal suspension is at anodal reaction chamber along the circulation of groove direction, and negative pole suspension circulates along groove direction at negative reaction chamber.In the present embodiment, be pasted with respectively plastic base plate in collector plate along the both sides of groove direction, between porous septum and plastic base plate, adhering and sealing is installed fixing.
As shown in Figure 3, lithium ion flow battery reactor of the present invention further comprises two coldplates 4, and cold plate surface has gas channel 41, and the structure that porous septum and collector plate superpose mutually, between two coldplates 4, forms battery module.In the present embodiment, cold plate surface has 4 through-type gas channels of intersection mutually.Battery module has orthogonal two pairs of sides, and wherein, the side at the two ends of anodal suspension circulation direction is respectively A face and A ˊ face, and the side at the two ends of negative pole suspension circulation direction is respectively B face and B ˊ face.Anodal suspension is from the A surface current of anode collection plate to A ˊ face, or from A ˊ surface current to A face; Negative pole suspension is from the B surface current of negative pole currect collecting plate to B ˊ face, or from B ˊ surface current to B face.In the present embodiment, anode collection plate is respectively arranged with four positive pole ears 12 at four drift angles of A face and A ˊ face, and negative pole currect collecting plate is respectively arranged with four negative lug 13 at four drift angles of B face and B ˊ face.
As shown in Figure 4, feed liquor diversion chamber 5 is provided with anodal inlet 51 and negative pole inlet 52, and inside is provided with not connected anodal diversion cavity 53 and negative pole diversion cavity 54.Anodal diversion cavity 53 and negative pole diversion cavity 54 are tree-shaped, more than two runner that comprises sprue and branch out from sprue, and the runner direction of anodal diversion cavity 53 and negative pole diversion cavity 54 is mutually vertical.In the present embodiment, there are eight runners.The anodal inlet 51 of feed liquor diversion chamber 5 is connected with the sprue of negative pole diversion cavity 54 with its anodal diversion cavity 53 respectively with negative pole inlet 52.
As shown in Figure 5, in the present embodiment, seven layers of battery module are superimposed, composition battery pile, battery pile feed liquor diversion chamber 5 and fluid diversion chamber 6 be set respectively above and below.All homonymy positive pole ears 12 are connected by four Positive Poles 14 respectively, and all homonymy negative lug 13 are connected by four negative pole poles 15 respectively.
The same side of feed liquor diversion chamber and ground floor battery module, adjacent two-layer battery module and layer 7 battery module and fluid diversion chamber is provided with and turns to cover 7, as shown in Figure 6.
As shown in Figure 7, in the present embodiment, seven layers of battery module composition battery pile that is superimposed, arranges respectively and turns to cover at A face, A ˊ face, B face and the B ˊ face of feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer, the 4th layer and layer 5 and layer 6 and layer 7 battery module.The Positive Poles that connects positive pole ear is covered outside with the negative pole pole that is connected negative lug in turning to.
As shown in Figure 8, the top of gas shield chamber 8 has air admission hole 83, venthole 84, Positive Poles hole 85, anodal inlet opening 81 and negative pole inlet opening 82, anodal inlet opening 81 is connected respectively anodal inlet 51 and negative pole inlet 52 with negative pole inlet opening 82, and all Positive Poles are drawn and formed anodal main pole post 86 by the wire Positive Poles hole that was connected; Bottom has the main pole column hole 87 of negative pole, anodal fluid hole 88 and negative pole fluid hole 89, anodal fluid hole 88 is connected respectively anodal liquid outlet and negative pole liquid outlet with negative pole fluid hole 89, and all negative pole poles are drawn and formed negative pole main pole post by the wire negative pole pole column hole that was connected.When battery operated, gas shield chamber is an airtight casing, and that each position adopts is bonding, welding or riveting method connect.
Operation principle of the present invention as shown in Figure 9.Anodal suspension enters by the anodal inlet opening 81 at gas shield chamber 8 tops in the anodal diversion cavity 53 of feed liquor diversion chamber, under the guide functions of runner, enter uniformly in the anodal reaction chamber that turns to cover and ground floor battery module of A face, enter afterwards in the anodal reaction chamber that turns to cover and second layer battery module of A ˊ face, the continuous flow in the anodal reaction chamber that turns to cover and every layer of battery module of anodal suspension forms S shape flow field, after completing reaction, enter the anodal diversion cavity in fluid diversion chamber 6, return to anodal pool of suspension by anodal liquid outlet afterwards.Meanwhile; negative pole suspension enters by the negative pole inlet opening 82 at gas shield chamber top in the negative pole diversion cavity 54 of feed liquor diversion chamber 5; react by the negative reaction chamber that turns to the drainage of cover to enter battery pile afterwards, complete entering fluid diversion chamber 6 after reaction and return to negative pole pool of suspension by negative pole liquid outlet.
When work, anodal suspension is at anodal reaction chamber along the circulation of groove direction, and negative pole suspension is at negative reaction chamber along the circulation of groove direction, and the groove direction of anode collection plate is mutually vertical with the groove direction of negative pole currect collecting plate.While discharging and recharging, the lithium ion of the anodal suspension of anodal reaction chamber and the negative pole suspension of adjacent cathode reaction chamber can exchange by the electrolyte between the electrolyte in porous septum 3 micropores and two porous septums.Detailed process is, in the time of battery discharge, the lithium ion deintercalation of the anode material granule interior in negative reaction chamber and going out, enters electrolyte, and arrive anodal reaction chamber by porous septum, is embedded into anode composite material granule interior; Meanwhile, the electronics of the anode material granule interior in negative reaction chamber flows into negative pole currect collecting plate 2, and flow into negative pole pole 15 by negative lug 13, complete acting in the external circuit of battery after, flow into Positive Poles 14, flow into anode collection plate 1 by positive pole ear 12, finally embed the anode composite material granule interior in anodal reaction chamber.The process of battery charging in contrast.In above-mentioned electric discharge and charging process, the state of anode composite material particle in anodal reaction chamber in continuous flow or intermittent flow, and by contacting and the Surface Contact of particle and anode collection plate 1 between particle and particle, form network-like electron conduction passage, the anode material particle in negative reaction chamber also similarly.Like this, in lithium ion flow battery reactor, carry out the charge and discharge process of battery.
In the cell reaction device course of work; inert gas enters cell reaction device by gas shield chamber top air admission hole 83; whole cell reaction is carried out in an inert gas shielding atmosphere; inert gas enters battery module by the gas channel 41 of coldplate 4 simultaneously; not only can intercept outside air and contact with electrode suspension with steam, cell reaction device be played to good thermolysis simultaneously.When air pressure reaches after 0.1-0.2Mpa, inert gas discharges by the venthole 84 at gas shield chamber top.Inert gas is that nitrogen or argon gas or nitrogen are argon-mixed.
Finally it should be noted that, the object of publicizing and implementing mode is to help further to understand the present invention, but it will be appreciated by those skilled in the art that: without departing from the spirit and scope of the invention and the appended claims, various substitutions and modifications are all possible.Therefore, the present invention should not be limited to the disclosed content of embodiment, and the scope that the scope of protection of present invention defines with claims is as the criterion.
Claims (10)
1. a lithium ion flow battery reactor, it is characterized in that, described cell reaction device comprises: porous septum (3), anode collection plate (1) and negative pole currect collecting plate (2), anode collection plate, porous septum and negative pole currect collecting plate are superimposed mutually, form the structure that porous septum and collector plate superpose mutually; Wherein, anode collection plate (1) and negative pole currect collecting plate (2) are for having the corrugated sheet of straight-through groove, and the straight-through groove direction of anode collection plate and the straight-through groove direction of negative pole currect collecting plate are mutually vertical; Between two-layer porous septum (3), be provided with anode collection plate (1) and form anodal reaction chamber, between two-layer porous septum (3), be provided with negative pole currect collecting plate (2) and form negative reaction chamber, wherein between porous septum and collector plate, be adhesively fixed in the both sides of collector plate along groove direction, adjacent described anodal reaction chamber and the edge surrounding of negative reaction chamber are adhesively fixed; Anodal suspension is at anodal reaction chamber along the circulation of groove direction, and negative pole suspension circulates along groove direction at negative reaction chamber; The side at the two ends of anodal suspension circulation direction is respectively A face and A ˊ face, and the side at the two ends of negative pole suspension circulation direction is respectively B face and B ˊ face, and A face and A ˊ face are orthogonal with B face and B ˊ face respectively.
2. cell reaction device as claimed in claim 1, it is characterized in that, the section waveform of described anode collection plate (1) and negative pole currect collecting plate (2) comprising: sine wave, square wave, triangular wave, trapezoidal wave, sawtooth waveforms or have convex-concave rise and fall special-shaped ripple.
3. cell reaction device as claimed in claim 1, is characterized in that, the metallic plate that the material of described anode collection plate (1) adopts aluminium or surface to aluminize, and thickness is 0.05～0.5 millimeter; One in material employing copper, nickel or the copper coating of negative pole currect collecting plate (2), the metallic plate of nickel plating, thickness is 0.05～0.5 millimeter.
4. cell reaction device as claimed in claim 1, is characterized in that, the salient point that the described convex-concave at anode collection plate or negative pole currect collecting plate rises and falls or the outside of concave point scribble insulating barrier (11); The thickness of insulating barrier is less than 0.1 millimeter.
5. cell reaction device as claimed in claim 1, it is characterized in that, described anode collection plate is respectively arranged with positive pole ear (12) at A face and A ˊ face, and each layer of anode collection plate is connected by positive pole ear by Positive Poles (14) respectively; Negative pole currect collecting plate is respectively arranged with negative lug (13) at B face and B ˊ face, and each layer of negative pole currect collecting plate is connected by negative lug (15) by negative pole pole respectively; Described Positive Poles and negative pole pole are respectively the Metallic rod of conduction.
6. cell reaction device as claimed in claim 1, it is characterized in that, described cell reaction device further comprises two coldplates (4), cold plate surface has gas channel (41), and the structure that porous septum and collector plate superpose is mutually positioned between two coldplates (4), composition battery module, n described battery module is superimposed, composition battery pile, wherein, n is natural number and n >=2.
7. cell reaction device as claimed in claim 6, it is characterized in that, described battery pile feed liquor diversion chamber (5) and fluid diversion chamber (6) be set respectively above and below, the inside of feed liquor diversion chamber (5) and fluid diversion chamber (6) is respectively arranged with not connected anodal diversion cavity (53) and negative pole diversion cavity (54), feed liquor diversion chamber (5) is provided with anodal inlet (51) and negative pole inlet (52), one end of anodal diversion cavity (53) and negative pole diversion cavity (54) is connected with negative pole inlet (52) with anodal inlet (51) respectively, the other end leads to respectively mutually perpendicular two side-A faces and the B face of feed liquor diversion chamber, and fluid diversion chamber (6) is provided with anodal liquid outlet and negative pole liquid outlet, one end of anodal diversion cavity and negative pole diversion cavity is connected with negative pole liquid outlet with anodal liquid outlet respectively, the other end leads to respectively mutually perpendicular two sides of fluid diversion chamber, A face and B face or A ˊ face and B ˊ face.
8. cell reaction device as claimed in claim 7, is characterized in that, the same side of described feed liquor diversion chamber and ground floor battery module, adjacent two-layer battery module and n layer battery module and fluid diversion chamber is provided with and turns to cover (7);
If n is even number, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-2 layer and n-1 layer battery module and the A face in n layer battery module and fluid diversion chamber arrange
the individual cover (7) that turns to, and, ground floor and second layer battery module ..., n-1 layer and n layer battery module A ˊ face arrange
the individual cover (7) that turns to; And, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-2 layer and n-1 layer battery module and the B face in n layer battery module and fluid diversion chamber arrange
the individual cover (7) that turns to, and, ground floor and second layer battery module ..., n-1 layer and n layer battery module B ˊ face arrange
the individual cover (7) that turns to;
If n is odd number, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-1 layer and n layer battery module A face arrange respectively
the individual cover (7) that turns to, and, ground floor and second layer battery module ..., n-2 layer and n-1 layer battery module and arrange at the A ˊ of n layer battery module and fluid diversion chamber face
the individual cover (7) that turns to; And, feed liquor diversion chamber and ground floor battery module, the second layer and the 3rd layer of battery module ..., n-1 layer and n layer battery module B face arrange respectively
the individual cover (7) that turns to, and, ground floor and second layer battery module ..., n-2 layer and n-1 layer battery module and arrange at the B ˊ of n layer battery module and fluid diversion chamber face
the individual cover (7) that turns to, wherein, n is natural number and n>=2.
9. cell reaction device as claimed in claim 7, it is characterized in that, anodal diversion cavity (53) and the negative pole diversion cavity (54) of described feed liquor diversion chamber (5) and fluid diversion chamber (6) are tree-shaped, more than two runner that comprises sprue and branch out from sprue; Anodal inlet (51) is connected with the sprue of negative pole diversion cavity with the anodal diversion cavity of feed liquor diversion chamber (5) respectively with negative pole inlet (52); Anodal liquid outlet is connected with the sprue of negative pole diversion cavity with the anodal diversion cavity of fluid diversion chamber (6) respectively with negative pole liquid outlet.
10. cell reaction device as claimed in claim 7, it is characterized in that, described cell reaction device further comprises gas shield chamber (8), wherein, feed liquor diversion chamber (5), battery pile, turn to cover (7) and fluid diversion chamber (6) to be placed on gas shield chamber (8) inside, the top of gas shield chamber (8) has air admission hole (83), venthole (84), Positive Poles hole (85), anodal inlet opening (81) and negative pole inlet opening (82), anodal inlet opening (81) is connected respectively anodal inlet (51) and negative pole inlet (52) with negative pole inlet opening (82), all Positive Poles are drawn and are formed anodal main pole post (86) by the wire Positive Poles hole that was connected, bottom has negative pole pole column hole (87), anodal fluid hole (88) and negative pole fluid hole (89), anodal fluid hole (88) is connected respectively anodal liquid outlet and negative pole liquid outlet with negative pole fluid hole (89), and all negative pole poles are drawn and formed negative pole main pole post by another root wire negative pole pole column hole that was connected.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210440281.3A CN102931427B (en) | 2012-11-07 | 2012-11-07 | Lithium-ion flow battery reactor |
| PCT/CN2013/074801 WO2013166924A1 (en) | 2012-05-10 | 2013-04-26 | Pump-free lithium ion liquid flow battery, battery reactor and preparation method of electrode suspension solution |
| US14/399,863 US20150093606A1 (en) | 2012-05-10 | 2013-04-26 | Pump-free lithium ion liquid flow battery, battery reactor and preparation method of electrode suspension solution |
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| CN201210440281.3A CN102931427B (en) | 2012-11-07 | 2012-11-07 | Lithium-ion flow battery reactor |
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| CN102931427B true CN102931427B (en) | 2014-08-20 |
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| US20150093606A1 (en) * | 2012-05-10 | 2015-04-02 | Beijing Hawaga Power Storage Technology Company Ltd. | Pump-free lithium ion liquid flow battery, battery reactor and preparation method of electrode suspension solution |
| CN105449251B (en) * | 2014-09-25 | 2017-11-24 | 北京好风光储能技术有限公司 | A kind of lithium ion flow battery reactor |
| CN106601943B (en) * | 2015-10-20 | 2019-03-08 | 北京好风光储能技术有限公司 | Integrated downflow type lithium flow battery reactor |
| CN107359292B (en) * | 2017-06-26 | 2020-04-14 | 合肥国轩高科动力能源有限公司 | Liquid cooling type fixing structure of battery system |
| CN109742420A (en) * | 2018-12-29 | 2019-05-10 | 上海齐耀动力技术有限公司 | A kind of fuel battery double plates of tree-shaped flow field structure |
| CN109904482B (en) * | 2019-01-21 | 2020-11-06 | 西安交通大学 | Uniform mass transfer flow battery and working method thereof |
| CN109888351B (en) * | 2019-01-21 | 2021-03-12 | 西安交通大学 | Tree-shaped uniform flow field flow battery and working method thereof |
| CN113437353A (en) * | 2021-06-30 | 2021-09-24 | 深圳大学 | Flowing type lithium ion battery based on bypass flow type flow field structure |
| CN115528263A (en) * | 2022-10-18 | 2022-12-27 | 中国科学院青岛生物能源与过程研究所 | Rectangular polar plate for high-power electrolytic cell |
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| US3074784A (en) * | 1959-05-05 | 1963-01-22 | Technicon Chromatography Corp | Continuous chromatographic analysis apparatus |
| DE10219456B4 (en) * | 2002-04-30 | 2005-10-13 | Mtu Cfc Solutions Gmbh | Fuel cell and method for producing such |
| CN1845368A (en) * | 2006-03-10 | 2006-10-11 | 清华大学深圳研究生院 | Current collection plate for all vanadium redox flow battery |
| CN102664280B (en) * | 2012-05-10 | 2014-07-02 | 北京好风光储能技术有限公司 | Pump-free lithium ion flow battery and preparation method of electrode suspension solution |
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