CN110391484B - Electro-hydraulic separation assembly and metal-air generator comprising same - Google Patents

Abstract

The invention provides an electro-hydraulic separation component and a metal-air generator comprising the same, wherein the electro-hydraulic separation component comprises at least one liquid outlet liquid separator, a liquid outlet storage tank and a driving controller, the liquid outlet liquid separator is arranged inside the liquid outlet storage tank, the liquid outlet liquid separator is provided with an impeller and is used for scattering electrolyte flowing to the liquid outlet liquid separator, the driving controller is arranged outside the liquid outlet storage tank, and the driving controller is connected with the liquid outlet liquid separator and is used for controlling the rotating speed of the liquid outlet liquid separator. The electrolyte separation component separates continuous electrolyte into discrete states, so that the resistance of the electrolyte flowing out is effectively reduced, and the power generation power is improved.

Description

Electro-hydraulic separation assembly and metal-air generator comprising same

Technical Field

The invention belongs to the technical field of metal-air power generation, and particularly relates to an electro-hydraulic separation assembly and a metal-air generator comprising the same.

Background

The traditional diesel generator is a small-sized generating device, diesel oil and the like are used as fuels, a diesel engine is used as a prime mover to drive the generator to generate electricity, and the diesel generator can be used for daily power generation and emergency power generation of various families, offices, large, medium and small enterprises. The diesel generator product has the characteristics of high energy consumption, high pollution, high noise and unsafe transportation and storage.

With the development of socio-economy, people pay more and more attention to energy problems and environmental problems. The metal-air battery is a clean new energy source, and the metal cathode of the metal-air battery comprises magnesium, aluminum, zinc, iron and the like. Taking an aluminum-air battery as an example, the aluminum-air battery takes high-purity aluminum as a negative electrode, oxygen as a positive electrode, and potassium hydroxide or sodium hydroxide aqueous solution as an electrolyte, and when the aluminum-air battery discharges, a chemical reaction is generated, aluminum is converted into aluminum oxide, and only a small amount of aluminum and a small amount of water are consumed. The aluminum oxide can be used for obtaining metal aluminum through an electrolysis process for recycling. The existing aluminum-air battery adopts a plurality of power generation monomers to be connected in series to meet the voltage requirement, and the aluminum-air battery is still in the laboratory research stage and has a larger distance with large-scale power generation application.

The actual output power of the conventional metal-air battery is lower than the theoretical value. In addition, in the existing metal-air generator technology, a plurality of power generation module units are generally included, and when electrolyte is input, the device which can feed liquid uniformly and input the electrolyte into each unit is difficult to realize simultaneously, so that the cost is high, and the discharge voltage of each unit is inconsistent.

Disclosure of Invention

The actual output power of the existing metal-air battery is lower than a theoretical value, and the invention finds that a larger resistor is formed in the battery when the used electrolyte is output, and the power of the battery is consumed.

In order to solve at least one of the problems, the invention provides an electro-hydraulic separation assembly, which comprises at least one liquid outlet dispenser, a liquid outlet storage tank and a driving controller, wherein the liquid outlet dispenser is arranged inside the liquid outlet storage tank, the liquid outlet dispenser is provided with an impeller and is used for scattering electrolyte flowing into the liquid outlet dispenser, the driving controller is arranged outside the liquid outlet storage tank, and the driving controller is connected with the liquid outlet dispenser and is used for controlling the rotating speed of the liquid outlet dispenser.

The edge of the liquid outlet dispenser is provided with an impeller, the shape of the liquid outlet dispenser is selected from the group consisting of a circle, a square, a diamond, a triangle and a trapezoid, and preferably, the shape of the liquid outlet dispenser is a circle. In one embodiment of the invention, the outlet liquid separator is a circular impeller.

Preferably, the rotating shaft of the liquid outlet dispenser is perpendicular to the flowing direction of the electrolyte, so that the liquid outlet dispenser can rotate in the flowing direction of the electrolyte, and when the electrolyte flows to the edge of the liquid outlet dispenser, the electrolyte is immediately scattered by the rotating liquid outlet dispenser and cannot continuously flow in strands.

When the electrolyte of the existing metal-air battery flows out, a large resistor is formed in the generator, and the power of the generator is consumed. The invention unexpectedly discovers that the electrolyte separation component separates continuous electrolyte into discrete states, effectively reduces the resistance when the electrolyte flows out, and improves the power generation power.

The rotating shaft of the liquid outlet dispenser is connected with a driving controller, and the driving controller is arranged outside the liquid outlet storage tank and controls the rotating speed of the liquid outlet dispenser. When one goes out liquid knockout and corresponds a plurality of electrolyte exports, or when the electrolyte velocity of flow is slower, drive controller accelerates out the rotational speed of liquid knockout, when the electrolyte velocity of flow is faster, drive controller reduces out the rotational speed of liquid knockout, guarantees that the electrolyte that flows out from the electrolyte export all is broken up by going out liquid knockout, can not cause serious electrolyte to splash simultaneously again, strikes out liquid knockout and leads to its damage.

Preferably, the driving controller is provided with a display for displaying and adjusting the rotating speed of the liquid outlet dispenser and an adjusting knob.

Preferably, the number of the liquid outlet dispensers is 1-100, and more preferably, the number of the liquid outlet dispensers is the same as the number of the electrolyte outlets of the metal-air generator. And reasonably designing the number of the liquid outlet dispensers according to the number of electrolyte outlets in the metal-air generator and the size of the liquid outlet dispensers.

Preferably, when the electro-hydraulic separation assembly comprises a plurality of liquid outlet dispensers, the rotating shafts of the liquid outlet dispensers are connected with each other and then are uniformly connected to the driving controller, so that one driving controller can control the rotating speeds of the liquid outlet dispensers simultaneously, and the operation is simple and convenient.

The liquid outlet liquid separator is positioned in the liquid outlet storage tank at the same time, and the liquid outlet liquid separator can be detachably fixed on the outer side of the metal-air generator and also can be detachably fixed in the liquid outlet storage tank.

The liquid outlet storage tank is a cubic liquid tank only provided with a side shell and a bottom shell, and the top surface of the liquid outlet storage tank corresponds to and is fixed in the area outside the metal-air generator where the electrolyte outlet and the liquid outlet liquid separator are located.

And an electrolyte main outlet is arranged on the bottom surface or the side surface of the liquid outlet storage tank, and the electrolyte flows out from the electrolyte outlet, is broken up by the liquid outlet knockout, then is gathered in the liquid outlet storage tank, and finally is discharged out of the metal-air generator from the electrolyte main outlet.

The electro-hydraulic separation assembly can further comprise a liquid inlet and separating device, and the liquid inlet and separating device comprises a liquid inlet and separating device and a separating partition plate. The liquid inlet separator is a cubic liquid tank only provided with a side surface shell and a bottom surface shell, the bottom of the liquid inlet separator is provided with a main electrolyte inlet, and the top surface of the liquid inlet separator corresponds to and is fixed in an area where the electrolyte inlet of the metal-air generator is located.

The liquid separation baffle comprises a main board and at least two fins, wherein the main board and the fins are vertically fixed on the bottom surface inside the liquid inlet liquid separator, and a gap is reserved between the main board and the bottom surface. The length of mainboard equals the length of feed liquor knockout bottom surface, and the height that divides the liquid baffle equals the height of feed liquor knockout.

The fin is arranged on the side surface of the main board and extends to the side surface of the liquid inlet separator. Preferably, two fins are arranged on the same side face of the main plate and extend to the same side face of the liquid inlet separator. Preferably, the two fins are respectively arranged on two sides of the main plate and respectively extend to two opposite side surfaces of the liquid inlet separator.

Preferably, the fins are perpendicular to the main plate.

The mainboard is established the centre of total import of electrolyte, the fin is established respectively the both sides of total import of electrolyte, the mainboard is established in the centre of electrolyte import, promptly one side of mainboard divide into two parts with total import of electrolyte, and the opposite side divides into two parts with the electrolyte import.

Preferably, the number of the fins is 2-10, and the fins are arranged on one side or two sides of the main plate and are arranged on two sides of the electrolyte main inlet at the same time.

During the use, electrolyte is followed the total import of electrolyte gets into the feed liquor knockout, and electrolyte quilt the mainboard separation of separating the baffle, fluid pressure is dispersed rapidly and along mainboard evenly distributed for electrolyte can not direct inflow is along apart from the total import nearest electrolyte import of electrolyte, but along mainboard evenly distributed, and is gradually the inside accumulation of feed liquor knockout. When the height of the electrolyte is equal to that of the liquid inlet knockout, the electrolyte enters the electrolyte inlets of the power generation module units at the same flow rate. Because the flowing pressure of the electrolyte at the electrolyte main inlet is the largest and the flow speed is the fastest, the fins of the liquid separation partition plate assist the main plate to further disperse the flowing pressure of the fluid at the electrolyte main inlet. Through divide liquid baffle and feed liquor knockout, realize the buffering to electrolyte, guide electrolyte gets into the electrolyte import of different power generation module units simultaneously with balanced speed, and then makes each power generation module unit discharge balanced stable.

The electrolyte outlet is the electrolyte outlet of each power generation module unit of the metal-air generator, and the general metal-air generator is provided with a plurality of power generation module units, namely a plurality of electrolyte outlets; the electrolyte inlet is an electrolyte inlet of each power generation module unit of the metal-air generator, and the metal-air generator generally comprises a plurality of power generation module units, namely a plurality of electrolyte inlets.

The invention also provides a metal-air generator which comprises at least two power generation module units and the electro-hydraulic separation assembly, wherein the anodes and the cathodes of the adjacent power generation module units are sequentially connected in series, each power generation module unit comprises an electrolyte outlet, an electrolyte inlet and a metal electrode plate, and the electro-hydraulic separation assembly is arranged below the electrolyte outlet and can break up the electrolyte flowing out of the electrolyte outlet.

The liquid outlet liquid separator of the electro-hydraulic separation component is arranged below the electrolyte outlets of the power generation module units of the metal-air generator and can break up the electrolyte flowing out of the electrolyte outlets.

The electro-hydraulic separation subassembly still includes the feed liquor divide liquid device, the feed liquor divides liquid device to set up the position of the import of the electrolyte of each electricity generation module unit of metal-air generator for the feed liquor divides the centre that the mainboard of liquid device is located the import of electrolyte.

Preferably, the metal-air generator is an aluminum-air generator, and the metal electrode plate of the metal-air generator is an aluminum electrode plate.

The power generation module unit comprises an aluminum electrode plate, two air electrodes and a unit frame body, wherein the two air electrodes are respectively arranged on the front side and the back side of the unit frame body, the aluminum electrode plate is arranged between the air electrodes, the aluminum electrode plate is fixedly clamped inside the unit frame body, and the aluminum electrode plate is parallel to the air electrodes.

And a first negative electrode and a second negative electrode are respectively arranged at two ends of the top of the aluminum electrode plate.

Preferably, the shape of the aluminum electrode sheet is the same as that of the unit frame, and the aluminum electrode sheet is slightly smaller than the size of the unit frame, so as to ensure that the aluminum electrode sheet substantially occupies the inner space of the unit frame. The front side and the back side of the unit frame body are two sides with larger areas, and the left side and the right side of the unit frame body are two sides with smaller areas.

The air electrode comprises a first air electrode and a second air electrode which are respectively arranged on two sides of the aluminum electrode plate, the first air electrode comprises a first current collecting net and positive plates at two ends of the first current collecting net, and the second air electrode comprises a second current collecting net.

The first current collecting net and the second current collecting net are respectively provided with metal wires which are staggered transversely and longitudinally, so that air entering the power generation module unit can uniformly pass through the first current collecting net and the second current collecting net, and the discharge reaction of the air and the aluminum electrode plate can be performed more uniformly on the surface of the whole aluminum electrode plate. Preferably, the second collecting net and the first collecting net are the same in shape, size and material.

First current collecting net's both ends are connected with first positive plate and second positive plate respectively about, first positive plate and second positive plate stretch out respectively and laminate two sides about the unit framework, first positive plate is parallel to each other, each other contactless with the first negative pole on same side, prevents just, negative pole contact and short circuit, equally, second positive plate is parallel to each other, each other contactless with the second negative pole on same side.

After the first positive plate and the second positive plate stretch out and are attached to the left side face and the right side face of the unit frame body, the first positive plate and the second positive plate respectively contact the edges of the left end and the right end of the second current collecting net, so that the first current collecting net and the second current collecting net are connected through the first positive plate and the second positive plate and further surround the aluminum electrode piece for a circle, air entering the power generation module unit uniformly passes through the first current collecting net and the second current collecting net, and then the air and the aluminum electrode piece can be subjected to discharge reaction more uniformly on the surfaces of the two sides of the aluminum electrode piece, so that the utilization rate of the aluminum electrode piece is improved.

The air electrode is made of a metal conductive material, and preferably, the air electrode is made of metal copper or silver.

The present inventors have unexpectedly found that the aluminum electrode sheet has two negative electrodes and the air electrode has two positive electrodes as positive electrodes, so that the discharge of the aluminum electrode sheet is more uniform and stable. The first air electrode is arranged on one side of the back face of the aluminum electrode plate, so that a certain distance is kept between the first positive plate and the first negative electrode, and a certain distance is kept between the second positive plate and the second negative electrode, and short circuit caused by contact of the positive electrode and the negative electrode is prevented.

The first current collecting net and the second current collecting net are arranged on two sides of the aluminum electrode sheet, and the first positive plate and the second positive plate are used for connecting the first current collecting net and the second current collecting net into an air electrode surrounding the aluminum electrode sheet for one circle, so that the discharge reaction of the aluminum electrode sheet and air is simultaneously carried out on two sides of the aluminum electrode sheet, the utilization rate and the service time of the aluminum electrode sheet are improved, and the discharge power of the power generation module unit is improved.

The aluminum electrode plate is characterized in that a first catalytic waterproof breathable film is arranged between the aluminum electrode plate and a first current collecting net, a second catalytic waterproof breathable film is arranged between the aluminum electrode plate and a second current collecting net, and the catalyst is uniformly coated on two sides of the first catalytic waterproof breathable film and the second catalytic waterproof breathable film, so that the reaction rate of the aluminum electrode plate and air is increased. Preferably, the catalyst is one or a combination of more than two of manganese dioxide, silver, cobalt and nickel.

Preferably, the air electrode may further include a waterproof breathable film, and the aluminum electrode sheet, the first current collecting net, and the second current collecting net are isolated from the outside of the unit frame by the waterproof breathable film. Specifically, waterproof ventilated membrane includes first waterproof ventilated membrane and the waterproof ventilated membrane of second, first waterproof ventilated membrane establishes in the outside of first current collector net, and the outside at second current collector net is established to the waterproof ventilated membrane of second, promptly accompany first current collector net between first waterproof ventilated membrane and the waterproof ventilated membrane of first catalysis, accompany the second current collector net between the waterproof ventilated membrane of second and the waterproof ventilated membrane of second catalysis.

The waterproof breathable film is formed by mixing and pressing polytetrafluoroethylene and acetylene black, wherein the mass fraction of the polytetrafluoroethylene is 50-60%, and the mass fraction of the acetylene black is 40-50%.

The first waterproof breathable film and the second waterproof breathable film are respectively arranged on the front side and the back side of the unit frame body, so that an independent closed space is formed inside the unit frame body, an electrolyte cavity is formed between the first catalytic waterproof breathable film and the second catalytic waterproof breathable film, and electrolyte of the power generation module unit enters the electrolyte cavity from an electrolyte inlet of the unit frame body and can only flow in the electrolyte cavity under the action of fluid flow, and simultaneously, along with the discharge reaction of the aluminum electrode plate and air, the aluminum electrode plate provides a liquid environment for the discharge reaction. The multilayer waterproof breathable film can effectively prevent electrolyte from permeating outwards, so that electricity leakage or circuit short circuit is prevented, and air is allowed to enter the electrolyte cavity.

The first waterproof breathable film and the second waterproof breathable film are respectively bonded and fixed on the positive side and the negative side of the outside of the frame of the unit frame body, and the aluminum electrode plate, the first current collecting net, the second current collecting net, the catalytic waterproof breathable film and the conductive interlayer are fixed inside the frame of the unit frame body and located between the first waterproof breathable film and the second waterproof breathable film. The first waterproof breathable film and the second waterproof breathable film can further prevent electrolyte in the power generation module unit from permeating outwards, so that electricity leakage or circuit short circuit is prevented, and meanwhile, air is allowed to enter the power generation module unit to perform discharge reaction.

The unit frame body comprises a frame and a liquid guide pipe, the frame is located on the periphery of the unit frame body, and the liquid guide pipe is located at the bottom of the frame. The shape of the frame of the unit frame body is the same as that of the aluminum electrode plate.

The frame is characterized in that an electrolyte inlet is formed in the bottom face of the bottom of the frame, a sunken liquid tank is arranged at the bottom of the frame, and the liquid tank is communicated with the electrolyte inlet. The liquid guide pipe is arranged in the liquid groove at the bottom of the frame, namely the liquid guide pipe is arranged above the electrolyte inlet. After entering the unit frame body from the electrolyte inlet, the electrolyte is blocked by the liquid guide pipe, is uniformly filled in the liquid groove, then flows upwards and enters the electrolyte cavity, so that the electrolyte uniformly disperses and flows into the electrolyte cavity, and the stability of discharge reaction and the stability of output voltage are improved.

Electrolyte shunt outlets are respectively arranged at the tops of two sides of the frame, runners are respectively arranged inside the upright columns at two sides of the frame, the two electrolyte shunt outlets are respectively communicated with the two runners, the bottoms of the two runners are communicated with the liquid guide pipe, and an electrolyte outlet is arranged at the bottom surface of the bottom of the frame at the bottom of one runner.

The electrolyte inlet, the liquid guide pipe and the electrolyte liquid separation outlet are all arranged inside the electrolyte cavity. When the liquid guide tube is used, electrolyte is input from the electrolyte inlet and enters the electrolyte cavity, the electrolyte flows from bottom to top in the electrolyte cavity to provide a conductive liquid environment for the discharge reaction of the aluminum electrode plate, when the electrolyte flows to the top of the frame, the electrolyte flows into the flow channels inside the upright columns on two sides of the frame from the electrolyte shunting outlet, the electrolyte flows from top to bottom in the flow channels, when the electrolyte moves to the bottom of the flow channels, the electrolyte in the flow channels in the upright columns on one side of the frame is directly discharged from the electrolyte outlet, the electrolyte in the flow channels in the upright columns on the other side of the frame enters the liquid guide tube, and the electrolyte enters the flow channels in the upright columns on one side of the frame after passing through the liquid guide tube and is.

The structure of the unit frame body is that electrolyte is in the inside flow mode that provides of electrolyte cavity, as above, the flow mode is from lower supreme flow in the electrolyte cavity, then flow in the stand of frame both sides from top to bottom, finally flow out the unit frame body, the flow mode has avoided the electrolyte direct contact of opposite flow direction, prevents to form torrent or even cyclone inside the electrolyte cavity, is favorable to the discharge reaction to be in whole evenly going on the aluminium electrode piece, improves output voltage's stability.

The unit frame body can also have another form, the top of the upright column on one side of the frame is provided with an electrolyte shunt outlet, a flow channel is arranged in the upright column on the side face provided with the electrolyte shunt outlet, the electrolyte shunt outlet is communicated with the flow channel, an electrolyte outlet is arranged on the bottom surface of the frame and on one side opposite to the electrolyte shunt outlet, and the liquid guide pipe is communicated with the flow channel and the electrolyte outlet.

Preferably, the bottom of one side of the frame where the electrolyte outlet is located is provided with a small section of vertical flow channel, and the liquid guide pipe is communicated with the two flow channels, so that the liquid guide pipe is horizontally arranged. When the electrolyte flow channel is used, the electrolyte enters the liquid tank from the electrolyte inlet, is blocked by the liquid guide tube and can be uniformly accumulated in the liquid tank, after the liquid tank is filled with the electrolyte, the electrolyte starts to flow in the whole width in the electrolyte cavity from bottom to top, flows into the flow channel from the electrolyte shunt outlet when flowing to the top of the unit frame body, flows to the bottom of the frame from top to bottom in the flow channel and then enters the liquid guide tube, the electrolyte with higher temperature in the liquid guide tube exchanges heat with the fresh electrolyte with lower temperature in the liquid tank outside the liquid guide tube, the electrolyte with higher temperature flows into the vertical flow channel opposite to the electrolyte shunt outlet along the liquid guide tube, and then is discharged out of the unit frame body from the electrolyte outlet.

The invention unexpectedly discovers that after the discharging reaction of the aluminum electrode plate and air, the temperature of the electrolyte rises due to the reaction heat release, when the electrolyte with higher temperature flows through the liquid guide pipe, the heat exchange is formed on the electrolyte with lower temperature flowing out from the electrolyte inlet, namely the used electrolyte with higher temperature is in the liquid guide pipe, and the heat is transferred to the fresh electrolyte with lower temperature flowing in from the electrolyte inlet through the pipe wall of the liquid guide pipe, so that the heat of the lower part and the upper part of the electrolyte cavity is coordinated with each other, the temperature difference and the overall temperature of the electrolyte cavity are reduced, and the stable discharging of the power generation module unit is facilitated.

The material of the liquid guide pipe is corrosion-resistant light metal material, and preferably, the material of the liquid guide pipe is stainless steel.

The invention also provides application of the electro-hydraulic separation assembly in a metal-air generator or a metal-air battery, preferably, the metal-air generator is an aluminum-air generator, and the metal-air battery is an aluminum-air battery.

Drawings

FIG. 1 is a block diagram of an electro-hydraulic separation module.

FIG. 2 is a block diagram of an alternative electro-hydraulic separation module.

Fig. 3 is a structural diagram of a liquid inlet and separating device.

Fig. 4 is an assembly structure of the air electrode 7 and the aluminum electrode sheet 9.

Fig. 5 is a structural view of the unit housing 8.

Fig. 6 is an enlarged structural view of the unit housing 8.

Fig. 7 is an assembly view of the power generation module unit.

In the attached drawing, 1-liquid outlet dispenser, 101-rotating shaft, 2-liquid outlet storage tank, 201-total electrolyte outlet, 3-driving controller, 301-display, 302-rotating speed control knob, 4-electrolyte outlet, 5-liquid inlet dispenser, 501-total electrolyte inlet, 502-liquid separation clapboard, 503-main board, 504-fin, 6-electrolyte inlet, 7-air electrode, 701-first air electrode, 702-second air electrode, 703-first current collection net, 704-second current collection net, 705-first positive plate, 706-second positive plate, 707-first catalytic waterproof breathable film, 708-second catalytic waterproof breathable film, 709-first waterproof breathable film, 710-second waterproof breathable film, 8-unit frame body, 801-frame, 802-liquid guide pipe, 803-liquid groove, 804-electrolyte shunt outlet and 9-aluminum electrode plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the following examples, the waterproof breathable film is a film formed by mixing and pressing polytetrafluoroethylene and acetylene black, wherein the mass fraction of the polytetrafluoroethylene is 60%, the mass fraction of the acetylene black is 40%, and the catalyst is manganese dioxide.

Example 1

The structure diagram of the electro-hydraulic separation assembly of the present embodiment is shown in fig. 1, the liquid outlet dispenser 1 is disposed below the electrolyte outlet 4 of each power generation module unit of the metal-air generator, and the electrolyte flowing out from the electrolyte outlet 4 can flow onto the liquid outlet dispenser 1.

The liquid outlet knockout 1 is a circular impeller. The rotating shaft 101 of the liquid outlet dispenser 1 is perpendicular to the flowing direction of the electrolyte, so that the liquid outlet dispenser 1 can rotate in the flowing direction of the electrolyte, and when the electrolyte flows to the edge of the liquid outlet dispenser 1, the electrolyte is immediately scattered by the rotating liquid outlet dispenser 1 and cannot continuously flow in strands. The electrolyte separation component separates continuous electrolyte into discrete states, so that the resistance of the metal-air battery when the electrolyte flows out is effectively reduced, and the power generation power is improved.

The rotating shaft 101 of the liquid outlet dispenser 1 is connected with the driving controller 3, the driving controller 3 is arranged outside the liquid outlet storage tank 2, and the rotating speed of the liquid outlet dispenser 1 is controlled, so that the electrolyte flowing out from the electrolyte outlet 4 is broken up by the liquid outlet dispenser 1, and meanwhile, the electrolyte cannot be seriously splashed and is damaged by impacting the liquid outlet dispenser 1. The surface of the driving controller 3 is provided with a display 301 and a rotating speed control knob 302, the display 301 displays the rotating speed of the liquid outlet dispenser 1, and the rotating speed control knob 302 adjusts the rotating speed of the liquid outlet dispenser 1.

In this embodiment, two liquid outlet dispensers 1 are disposed below the six electrolyte outlets 4, and the rotating shafts 101 of the two liquid outlet dispensers 1 are connected to the driving controller 3.

The liquid outlet liquid separator 1 is simultaneously positioned inside the liquid outlet storage tank 2, and the liquid outlet liquid separator 1 is detachably fixed at the outer side of the metal-air generator. The liquid outlet storage tank 2 is a cubic liquid tank only provided with a side surface shell and a bottom surface shell, and the top surface of the liquid outlet storage tank 2 corresponds to and is fixed in the area outside the metal-air generator where the electrolyte outlet 4 and the liquid outlet liquid separator 1 are located. The side surface of the liquid outlet storage tank 2 is provided with an electrolyte main outlet 201, the electrolyte is broken up by the liquid outlet knockout 1 after flowing out from the electrolyte outlet 4, then is gathered in the liquid outlet storage tank 2, and finally is discharged out of the metal-air generator from the electrolyte main outlet 201.

Example 2

The structure diagram of the electro-hydraulic separation assembly of the embodiment is shown in fig. 2, a liquid outlet dispenser 1 is arranged below an electrolyte outlet 4, the surface of the liquid outlet dispenser 1 is parallel to the electrolyte outlet 4, and a rotating shaft 101 of the liquid outlet dispenser 1 is connected with a driving controller 3. The other structure of this embodiment is the same as that of embodiment 1.

Example 3

The structure of the liquid feeding and separating device of this embodiment is shown in fig. 3, and the liquid feeding and separating device includes a liquid feeding dispenser 5 and a separating partition plate 502. The liquid inlet separator 5 is a cubic liquid tank with a shell only having a side surface and a bottom surface, the bottom of the liquid inlet separator 5 is provided with an electrolyte main inlet 501, and the top surface of the liquid inlet separator 5 corresponds to and is fixed in the area of the electrolyte inlet 6 of the metal-air generator.

The liquid separating partition plate 502 comprises a main plate 503 and two fins 504, 503 and 504 which are vertically fixed on the bottom surface inside the liquid inlet separator 5, and a gap is reserved between the bottom surface and the bottom surface. The length of the main plate 503 is equal to the length of the bottom surface of the liquid inlet separator 5, and the height of the liquid separating partition plate 502 is equal to the height of the liquid inlet separator 5.

The fins 504 are arranged on the same side of the main plate 503 and extend to the same side of the liquid inlet separator 5, and the fins 504 are perpendicular to the main plate 503. The mainboard 503 is established in the middle of electrolyte total inlet 501, and two fins 504 are established respectively in the both sides of electrolyte total inlet 501, and mainboard 503 is established in the middle of electrolyte inlet 501, and one side of mainboard 503 divides electrolyte total inlet 501 into two parts, and the other side divides electrolyte inlet 6 into two parts.

During the use, electrolyte gets into feed liquor knockout 5 from electrolyte gross entrance 501, and electrolyte is separated by the mainboard 503 separation of dividing liquid baffle 502, and fluid pressure is dispersed rapidly and along mainboard 503 evenly distributed for electrolyte can not direct inflow be apart from the nearest electrolyte import 6 of electrolyte gross entrance 501, but along mainboard 503 evenly distributed, and accumulate in feed liquor knockout 5 inside gradually. When the height of the electrolyte is equal to that of the liquid inlet separator 5, the electrolyte simultaneously enters the electrolyte inlets 6 of the power generation module units at the same flow rate. Because the electrolyte flow pressure at the electrolyte inlet 501 is the greatest and the flow rate is the fastest, the fins 504 of the separating partition 502 assist the main plate 503 to further disperse the fluid flow pressure of the electrolyte inlet 501. Through dividing liquid baffle 502 and feed liquor knockout 5, realize the buffering to electrolyte, guide electrolyte gets into the electrolyte import 6 of different power generation module units simultaneously with balanced speed, and then makes each power generation module unit discharge the equilibrium stably.

Preparation example 1 air electrode

The cell frame 8 of the present production example is the cell frame 8 of the production example 2, and the power generation module unit of the present production example is the power generation module unit of the production example 3. The front and rear side surfaces of the unit frame 8 are two side surfaces having a large area, and the left and right side surfaces of the unit frame 8 are two side surfaces having a small area.

Fig. 4 shows an assembly structure of the air electrode 7 and the aluminum electrode sheet 9 of the present preparation example, the air electrode 7 is disposed on two sides of the aluminum electrode sheet 9, the air electrode 7 includes a first air electrode 701 and a second air electrode 702, the first air electrode 701 is disposed on a back side of the aluminum electrode sheet 9, and the second air electrode 702 is disposed on a front side of the aluminum electrode sheet 9. The first air electrode 701 includes a first current collecting mesh 703 and positive plates at both ends thereof, and the second air electrode 702 includes a second current collecting mesh 704.

The first current collecting net 703 and the second current collecting net 704 are both provided with metal wires which are staggered transversely and longitudinally, so that air entering the power generation module unit can uniformly pass through the first current collecting net 703 and the second current collecting net 704, and further, the discharge reaction of the air and the aluminum electrode sheet 9 can be performed more uniformly on the surface of the whole aluminum electrode sheet 9. The second current collecting mesh 703 and the first current collecting mesh 704 are rectangular, and the air electrode 7 is made of copper.

The left and right ends of the first current collecting net 703 are connected with a first positive plate 705 and a second positive plate 706 respectively, the first positive plate 705 and the second positive plate 706 extend out and are attached to the left and right sides of the unit frame body 8 respectively, the first positive plate 705 and the first negative electrode on the same side are parallel to each other and do not contact with each other, short circuit caused by positive and negative electrode contact is prevented, and similarly, the second positive plate 706 and the second negative electrode on the same side are parallel to each other and do not contact with each other.

After the first positive plate 705 and the second positive plate 706 extend out of and are attached to the left side surface and the right side surface of the unit frame body 8, the first positive plate 705 and the second positive plate 706 are respectively contacted with the edges of the left end and the right end of the second current collecting net 704, so that the first current collecting net 703 and the second current collecting net 704 are connected through the first positive plate 705 and the second positive plate 706, the first positive plate 706 is further connected with the second current collecting net 704, the aluminum electrode plate 9 is further surrounded for a circle, air entering the power generation module unit is enabled to uniformly pass through the first current collecting net 703 and the second current collecting net 704, the discharge reaction of the air and the aluminum electrode plate 9 can be more uniformly performed on the surfaces of the two sides of the aluminum electrode plate 9.

The present inventors have unexpectedly found that the aluminum tab 9 has two negative electrodes and the air electrode 7 has two positive electrodes as positive electrodes, so that the discharge of the aluminum tab 9 is more uniform and stable. The first air electrode 701 is disposed on the back side of the aluminum electrode sheet 9, so that a certain distance is maintained between the first positive electrode plate 705 and the first negative electrode, and a certain distance is maintained between the second positive electrode plate 706 and the second negative electrode, thereby preventing short circuit caused by contact between the positive electrode and the negative electrode.

A first catalytic waterproof breathable film 707 is arranged between the aluminum electrode sheet 9 and the first current collecting net 703, a second catalytic waterproof breathable film 708 is arranged between the aluminum electrode sheet 9 and the second current collecting net 704, and catalyst manganese dioxide is uniformly coated on two sides of the first catalytic waterproof breathable film 707 and the second catalytic waterproof breathable film 708, so that the reaction rate of the aluminum electrode sheet 9 and air is improved.

The aluminum electrode sheet 9, the first current collecting net 703 and the second current collecting net 704 are isolated from the outside of the unit frame 8 by the waterproof and breathable film. Specifically, waterproof ventilated membrane includes first waterproof ventilated membrane 709 and waterproof ventilated membrane 710 of second, and first waterproof ventilated membrane 709 is established in the outside of first current collector net 703, and waterproof ventilated membrane 710 of second is established in the outside of second current collector net 704, presss from both sides first current collector net 703 between first waterproof ventilated membrane 709 and the waterproof ventilated membrane 707 of first catalysis promptly, presss from both sides second current collector net 704 between waterproof ventilated membrane 710 of second and the waterproof ventilated membrane 708 of second catalysis.

Preparation example 2 Unit frame

The air electrode 7 of this preparation example was the air electrode 7 of preparation example 1, and the power generation module unit was the power generation module unit of preparation example 3.

Fig. 5 shows a structural diagram of the unit frame 8 of the present preparation example, in which the unit frame 8 includes a frame 801 and a liquid guide tube 802, the frame 801 is located around the unit frame 8, and the liquid guide tube 802 is located at the bottom of the frame 801. The frame 801 of the unit housing 8 is rectangular parallelepiped.

As shown in fig. 6, an electrolyte inlet 6 is provided on the bottom surface of the bottom of the frame 801, a concave liquid tank 803 is provided on the bottom of the frame 801, and the liquid tank 803 is communicated with the electrolyte inlet 6. The liquid guide pipe 802 is arranged inside the liquid groove 803 at the bottom of the frame 801, namely the liquid guide pipe 802 is arranged above the electrolyte inlet 6. After entering the unit frame body 8 from the electrolyte inlet 6, the electrolyte is blocked by the liquid guide pipe 802, is uniformly filled in the liquid groove 803, then flows upwards, enters the electrolyte cavity formed between the first catalytic waterproof breathable film 707 and the second catalytic waterproof breathable film 708, and is uniformly dispersed and flows into the electrolyte cavity, so that the stability of discharge reaction and the stability of output voltage are improved. The catheter 802 is made of stainless steel.

The top of the two sides of the frame 801 are respectively provided with an electrolyte shunt outlet 804, the insides of the upright columns at the two sides of the frame 801 are respectively provided with a flow channel, the bottoms of the two flow channels are communicated by a liquid guide pipe 802, and the bottom of one flow channel is provided with an electrolyte outlet 4 on the bottom surface of the bottom of the frame 801.

The electrolyte inlet 6, the liquid guide pipe 802 and the electrolyte shunt outlet 804 are all arranged inside the electrolyte cavity. When the electrolyte is used, the electrolyte is input from the electrolyte inlet 6 and enters the electrolyte cavity, the electrolyte flows from bottom to top in the electrolyte cavity to provide a conductive liquid environment for the discharge reaction of the aluminum electrode sheet 9, when the electrolyte flows to the top of the frame 801, the electrolyte flows into the flow channels inside the upright columns on two sides of the frame 801 from the electrolyte shunt outlet 804, the electrolyte flows from top to bottom in the flow channels, when the electrolyte moves to the bottom of the flow channels, the electrolyte in the flow channels inside the upright columns on one side of the frame 801 is directly discharged from the electrolyte outlet 4, the electrolyte in the flow channels inside the upright columns on the other side of the frame 801 enters the liquid guide pipe 802, the electrolyte passes through the liquid guide pipe 802, enters the flow channels inside the upright columns on one.

The structure of the unit frame body 8 provides a flowing mode for the electrolyte inside the electrolyte cavity, the electrolyte flows from bottom to top in the electrolyte cavity, then flows from top to bottom in the columns on the two sides of the frame 801, and finally flows out of the unit frame body 8, the flowing mode avoids the direct contact of the electrolyte in the opposite flow direction, the turbulent flow and even the cyclone are prevented from being formed inside the electrolyte cavity, the uniform implementation of the discharge reaction on the whole aluminum electrode plate 9 is facilitated, and the stability of the output voltage is improved.

After the discharge reaction of aluminium electrode piece 9 and air, because the reaction is exothermic, the electrolyte temperature risees, when the higher electrolyte of temperature flows through catheter 802, form the heat exchange to the lower electrolyte of the temperature that flows out from electrolyte import 6, the higher electrolyte of temperature that makes use promptly is inside catheter 802, and through the catheter 802 pipe wall, give the lower electrolyte of the fresh temperature that flows in from electrolyte import 6 with the heat transfer, make the lower part of electrolyte cavity and the heat on upper portion coordinate each other, reduce the bulk temperature of difference and electrolyte cavity, be favorable to generating module unit to stably discharge.

The air electrode 7 and the unit frame 8 are assembled in such a manner that the first waterproof breathable film 709 and the second waterproof breathable film 710 are respectively arranged on the front side and the back side of the unit frame 8, so that an independent closed space is formed inside the unit frame 8, and the space is an electrolyte cavity, namely, an electrolyte cavity is formed between the first catalytic waterproof breathable film 707 and the second catalytic waterproof breathable film 708. The aluminum electrode sheet 9, the first current collecting net 703, the second current collecting net 704 and the catalytic waterproof breathable film are all fixed inside the frame 801 of the unit frame body 8 and located between the first waterproof breathable film 709 and the second waterproof breathable film 710.

The electrolyte of the power generation module unit enters the electrolyte cavity from the electrolyte inlet 6 of the unit frame body 8, and can only flow in the electrolyte cavity under the action of fluid flow, and simultaneously, along with the discharge reaction of the aluminum electrode plate 9 and air, the liquid environment of the discharge reaction is provided for the aluminum electrode plate 9. The multilayer waterproof breathable film can effectively prevent electrolyte from permeating outwards, so that electricity leakage or circuit short circuit is prevented, and air is allowed to enter the electrolyte cavity.

Preparation example 3 Power Generation Module Unit

The air electrode 7 of the present production example was the air electrode 7 of production example 1, and the unit frame 8 was the unit frame 8 of production example 2.

An assembly schematic diagram of the power generation module unit of the preparation example is shown in fig. 7, the power generation module unit includes an aluminum electrode sheet 9, two air electrodes 7 and a unit frame 8, the aluminum electrode 9 is disposed between the two air electrodes 7, the aluminum electrode sheet 9 is fixedly clamped inside the unit frame 8, the two air electrodes 7 are respectively disposed on the front side and the back side of the unit frame 8, the aluminum electrode sheet 9 is parallel to the air electrodes 7, and two ends of the top of the aluminum electrode sheet 9 are respectively connected to a first negative electrode and a second negative electrode. The two ends of the air electrode 7 extend to the left and right sides outside the unit frame 8 and are respectively connected with two positive plates, that is, the first positive plate 505 and the second positive plate 506 are respectively in contact connection with the first negative electrode and the second negative electrode of the adjacent power generation module unit, so that the positive and negative electrodes of the two adjacent power generation module units are connected in series.

In the power generation module unit, a first catalytic waterproof breathable film 707, a first current collecting net 703 and a first waterproof breathable film 709 are sequentially arranged on the back surface of an aluminum electrode sheet 9, and a second catalytic waterproof breathable film 708, a second current collecting net 704 and a second waterproof breathable film 710 are sequentially arranged on the front surface of the aluminum electrode sheet 9. The aluminum electrode tabs 9 are fixed to the negative electrode slots of the unit frame 8 by the first negative electrode and the second negative electrode. A first current collecting net 703 is sandwiched between the first waterproof breathable film 709 and the first catalytic waterproof breathable film 707, and a second current collecting net 704 is sandwiched between the second waterproof breathable film 710 and the second catalytic waterproof breathable film 708. The first waterproof breathable film 709 and the second waterproof breathable film 710 seal the front and back surfaces of the unit frame body 8 respectively, and an electrolyte cavity is formed between the first catalytic waterproof breathable film 707 and the second catalytic waterproof breathable film 708.

The bottom of the unit frame body 8 is provided with an electrolyte inlet 6, and electrolyte is input from the electrolyte inlet 6, enters the electrolyte cavity and flows from bottom to top. When the electrolyte flows to the top of the unit frame 8, the electrolyte flows into the flow channels inside the columns on the two sides of the frame 801 from the electrolyte shunt outlet 804 and flows to the bottom of the flow channels from top to bottom, the electrolyte in the flow channels inside the columns on one side of the frame 801 is directly discharged from the electrolyte outlet 4, the electrolyte in the flow channels inside the columns on the other side of the frame 801 enters the liquid guide pipe 802, and the electrolyte passes through the liquid guide pipe 802, then enters the flow channels inside the columns on one side of the frame 801 and finally is discharged from the electrolyte outlet 4.

Claims (7)

1. An electro-hydraulic separation component is characterized by comprising at least one liquid outlet dispenser, a liquid outlet storage tank and a driving controller, wherein the liquid outlet dispenser is arranged inside the liquid outlet storage tank and provided with an impeller for scattering electrolyte flowing to the liquid outlet dispenser;

the edge of the liquid outlet dispenser is provided with an impeller, and the rotating shaft of the liquid outlet dispenser is vertical to the flowing direction of the electrolyte.

2. The electro-hydraulic separation assembly according to claim 1, further comprising a feed liquid separation device, wherein the feed liquid separation device comprises a feed liquid separator and a separation baffle plate; the liquid separating partition plate comprises a main plate and at least two fins, the main plate and the fins are vertically fixed on the bottom surface inside the liquid inlet separator, a gap is reserved between the main plate and the bottom surface, the length of the main plate is equal to that of the bottom surface of the liquid inlet separator, and the height of the liquid separating partition plate is equal to that of the liquid inlet separator;

the main board is arranged in the middle of the electrolyte main inlet, and meanwhile, the main board is arranged in the middle of the electrolyte inlet;

the fin is established in the side of mainboard to stretch to the side of feed liquor knockout, the fin is established respectively the both sides of total import of electrolyte.

3. A metal-air generator is characterized in that the generator comprises at least two power generation module units and the electro-hydraulic separation assembly according to claim 1, the positive electrodes and the negative electrodes of the adjacent power generation module units are sequentially connected in series, each power generation module unit comprises an electrolyte outlet, an electrolyte inlet and a metal electrode plate, and the electro-hydraulic separation assembly is arranged below the electrolyte outlet and can break up electrolyte flowing out of the electrolyte outlet.

4. The metal-air generator of claim 3, wherein the liquid outlet dispenser of the electro-hydraulic separation assembly is arranged below the electrolyte outlet of each power generation module unit of the metal-air generator, and can disperse the electrolyte flowing out of the electrolyte outlet.

5. The metal-air generator of claim 3, wherein the electro-hydraulic separation assembly further comprises a liquid inlet and separation device, and the liquid inlet and separation device is arranged at the position of an electrolyte inlet of each power generation module unit of the metal-air generator, so that a main board of the liquid inlet and separation device is positioned in the middle of the electrolyte inlet.

6. The metal-air generator of any one of claims 3-5, wherein the metal electrode sheet of the metal-air generator is an aluminum electrode sheet.

7. Use of the electro-hydraulic separation module of claim 1 in a metal-air generator or a metal-air battery, wherein the metal-air generator is an aluminum-air generator.

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