CN114725584A - Electrolyte tank and metal-air battery - Google Patents
Electrolyte tank and metal-air battery Download PDFInfo
- Publication number
- CN114725584A CN114725584A CN202210444052.2A CN202210444052A CN114725584A CN 114725584 A CN114725584 A CN 114725584A CN 202210444052 A CN202210444052 A CN 202210444052A CN 114725584 A CN114725584 A CN 114725584A
- Authority
- CN
- China
- Prior art keywords
- electrolyte
- liquid
- area
- branch pipe
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003792 electrolyte Substances 0.000 title claims abstract description 141
- 239000007788 liquid Substances 0.000 claims abstract description 118
- 238000003860 storage Methods 0.000 claims abstract description 42
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000009826 distribution Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 239000007795 chemical reaction product Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04276—Arrangements for managing the electrolyte stream, e.g. heat exchange
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Hybrid Cells (AREA)
Abstract
The invention discloses an electrolyte tank and a metal-air battery, wherein the electrolyte tank comprises: the space in the box body is divided into a configuration area and a storage area by the partition plate, and the box body is provided with a liquid inlet communicated with the configuration area; the pipeline assembly comprises a first branch pipe, a second branch pipe and a header pipe, wherein the header pipe is used for supplying liquid to the outside, two ends of the first branch pipe are respectively communicated with the configuration area and the header pipe, two ends of the second branch pipe are respectively communicated with the storage area and the header pipe, and the first branch pipe and the second branch pipe can be conducted in a time-sharing mode to realize that liquid is supplied to the outside by the configuration area or the storage area. The electrolyte tank and the metal-air battery provided by the invention can supply liquid to the electric pile from the configuration area or the storage area in a time-sharing manner, so that the service lives of the electrolyte and the metal-air battery are prolonged.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to an electrolyte tank and a metal-air battery.
Background
The metal-air battery is an electrochemical reaction device which adopts metal (such as magnesium, aluminum, zinc and the like) as anode fuel, oxygen in the air as an oxidant and alkali liquor or neutral brine as electrolyte.
Conductivity is a key index for measuring the availability of the metal air battery electrolyte, the conductivity is influenced by the concentration of the electrolyte, and the availability of the electrolyte can be judged by monitoring the conductivity value of the electrolyte. The electrolyte of the metal-air battery in the prior art is recycled, the concentration of the electrolyte is reduced after the electrolyte is used for a period of time, the conductivity of the electrolyte is reduced, the performance of the battery is reduced, even the battery fails, and the service life of the electrolyte and the service life of the battery are influenced. In addition, when the concentration of the electrolyte drops to a level that cannot meet the requirement, the power needs to be cut off to supplement the electrolyte or replace the electrolyte tank, so that the service efficiency of the battery is low.
In view of the above, there is a need for an electrolyte tank capable of simultaneously supplying and dispensing electrolyte, so as to prolong the service life of the electrolyte and the metal-air battery, and improve the service efficiency of the battery.
Disclosure of Invention
In order to solve the problems, the invention innovatively provides an electrolyte tank and a metal-air battery, wherein liquid can be supplied to the outside from a configuration area and a reserve area in the electrolyte tank, and the electrolyte can be configured in the configuration area while the liquid is supplied to the reserve area, so that the performance and the service life of the metal-air battery are improved.
To achieve the above technical object, in a first aspect, the present invention discloses an electrolyte tank, including:
the box body is internally provided with at least one partition plate, the partition plate divides the space in the box body into a configuration area and a storage area, and the box body is provided with a liquid inlet communicated with the configuration area;
the pipeline assembly comprises a first branch pipe, a second branch pipe and a main pipe, wherein the main pipe is used for supplying liquid to the outside, two ends of the first branch pipe are respectively communicated with the configuration area and the main pipe, two ends of the second branch pipe are respectively communicated with the storage area and the main pipe, and the first branch pipe and the second branch pipe can be communicated in a time-sharing mode so as to realize that liquid is supplied to the outside from the configuration area or the storage area.
Furthermore, a first valve is arranged on the first branch pipe, a second valve is arranged on the second branch pipe, and the first valve and the second valve are respectively used for controlling the on-off of the first branch pipe and the second branch pipe.
Furthermore, the box is internally provided with three baffles, the baffles divide the internal space of the box into a settling zone, a configuration zone, a storage zone and a pipeline zone which are adjacent in sequence, the liquid inlet is arranged on the side wall of the settling zone, and the settling zone is communicated with the configuration zone.
Furthermore, a filter screen is arranged on the partition board between the settling zone and the configuration zone.
Furthermore, a conductivity sensor and a temperature sensor are arranged in the configuration area, when the conductivity of the electrolyte in the configuration area is higher than a first set conductivity value and the temperature of the electrolyte is lower than a set temperature value, the first valve is opened, and the second valve is closed;
when the conductivity of the electrolyte in the configuration area is lower than the second set conductivity value or the temperature of the electrolyte is higher than the set temperature value, the second valve is opened, and the first valve is closed.
Furthermore, the pipeline assembly further comprises a third branch pipe, two ends of the third branch pipe are respectively communicated with the configuration area and the storage area, and a third valve is arranged on the third branch pipe;
and a liquid level sensor is arranged in the storage area, when the conductivity of the electrolyte in the configuration area is higher than a third set conductivity value and the liquid level of the electrolyte in the storage area is lower than a set liquid level value, the third valve is opened, and the third set conductivity value is greater than the first set conductivity value.
Further, a storage plate is arranged in the configuration area, the storage plate divides the configuration area into a storage area and a liquid distribution area, a discharging pipe communicated with the storage area and the liquid distribution area is arranged on the side wall of the storage plate, and a fourth valve is arranged on the discharging pipe.
Further, a side liquid outlet is formed in the side wall of the configuration area and used for being communicated with external heat dissipation equipment to form a liquid distribution loop.
In a second aspect, the invention provides a metal-air battery, which comprises an electrolyte tank according to any one of the above schemes, and further comprises an electric pile, a first liquid pump, a radiator and a second liquid pump, wherein the first liquid pump is connected in series between a header pipe of the electrolyte tank and a liquid inlet of the electric pile, the radiator is connected in series between a liquid outlet of the electric pile and a liquid inlet of the electrolyte tank, and the second liquid pump is connected in series between a side liquid outlet of the electrolyte tank and a liquid inlet of the radiator;
the electrolyte tank, the first liquid pump, the galvanic pile and the radiator form a liquid supply loop;
the electrolyte tank, the second liquid pump and the radiator form a liquid distribution loop.
Further, the metal-air battery also comprises a controller, the controller is electrically connected with the first liquid pump, the second liquid pump and the conductivity sensor, the temperature sensor and the liquid level sensor in the electrolyte tank, and the controller is used for controlling the on-off of the liquid supply loop and the liquid distribution loop according to the detection values of the sensors.
The invention has the beneficial effects that:
the electrolyte tank provided by the invention can switch the functional area for supplying liquid to the galvanic pile as required, so that the electrolyte supplied to the galvanic pile always meets the requirement, the high performance of the metal-air battery is kept, and the service life of the metal-air battery is prolonged; the electrolyte tank can be used for configuring the electrolyte in the configuration area so as to supplement the electrolyte in time when the conductivity of the electrolyte is reduced, and the service life of the electrolyte is prolonged. The metal-air battery provided by the invention adopts the electrolyte tank, and has higher performance and longer service life.
Drawings
FIG. 1 is a schematic view of an external structure of an electrolyte tank according to an embodiment of the present invention;
FIG. 2 is a top view of the internal structure of an electrolyte tank according to an embodiment of the present invention;
FIG. 3 is a first internal structural view of an electrolyte tank according to an embodiment of the present invention;
FIG. 4 is a second internal structural view of an electrolyte tank according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a metal-air battery according to an embodiment of the present invention.
In the figure, the position of the upper end of the main shaft,
1. a box body; 11. a settling zone; 12. a configuration area; 121. a storage area; 122. a liquid distribution area; 13. a reserve area; 14. taking a tube; 15. a liquid inlet; 16. a main liquid outlet; 17. a side liquid outlet; 18. cleaning the opening; 19. a storage plate; 2. a partition plate; 3. a tubing assembly; 31. a first branch pipe; 32. a second branch pipe; 33. a header pipe; 34. a first valve; 35. a second valve; 36. a third branch pipe; 37. a third valve; 38. a discharging pipe; 39. a fourth valve; 4. a filter screen; 5. a conductivity sensor; 6. a temperature sensor; 7. a liquid level sensor; 100. an electrolyte tank; 200. a galvanic pile; 300. a first liquid pump; 400. a heat sink; 500. a second liquid pump; 600. a controller; 700. a fifth valve; 800. and a sixth valve.
Detailed Description
The technical solution of the electrolyte tank 100 provided by the present invention will be explained and explained in detail with reference to the drawings attached to the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In a first aspect, the present invention provides an electrolyte tank 100 as an electrolyte storage device in a metal-air battery for supplying electrolyte to a stack. Fig. 1 is a schematic diagram of an external structure of an electrolyte tank 100 according to an embodiment of the present invention, and fig. 2 is a plan view of an internal structure of the electrolyte tank 100 according to the embodiment of the present invention. As shown in fig. 1 and 2, the electrolytic solution tank 100 disclosed in the present embodiment includes: the device comprises a box body 1 and at least one partition plate 2 arranged in the box body 1, wherein the partition plate 2 divides the space in the box body 1 into a configuration area 12 and a storage area 13, and a liquid inlet 15 communicated with the configuration area 12 is formed in the box body 1.
The electrolyte tank 100 further comprises a pipeline assembly 3, wherein the pipeline assembly 3 comprises a first branch pipe 31, a second branch pipe 32 and a main pipe 33, and the main pipe 33 is used for supplying liquid to the outside. Both ends of the first branch pipe 31 are respectively communicated with the disposition region 12 and the header pipe 33, and both ends of the second branch pipe 32 are respectively communicated with the reserve region 13 and the header pipe 33. The first branch pipe 31 and the second branch pipe 32 can be conducted in a time-sharing mode to supply liquid from the configuration area 12 or the storage area 13 to the outside.
The electrolyte tank 100 provided by this embodiment can supply liquid to the stack 200 from the allocation area 12 or the reserve area 13 as required, so as to ensure that the electrolyte supplied to the stack 200 always meets the requirements, improve the performance of the metal-air battery, and prolong the service lives of the electrolyte and the metal-air battery.
The first branch pipe 31 is provided with a first valve 34, the second branch pipe 32 is provided with a second valve 35, and the first valve 34 and the second valve 35 can be opened in a time-sharing manner to realize the liquid supply from the configuration area 12 or the liquid supply from the reserve area 13.
In this embodiment, three partition plates 2 are disposed in the box body 1, the space in the box body 1 is divided into a settling zone 11, a configuration zone 12, a storage zone 13 and a pipeline zone 14 which are adjacent to each other in sequence by the three partition plates 2, the liquid inlet 15 is disposed on a side wall of the settling zone 11, and the settling zone 11 is communicated with the configuration zone 12.
Further, a header pipe 33 is disposed in the pipeline section 14, the main outlet 16 is opened on a side wall of the pipeline section 14, and the header pipe 33 is communicated with the main outlet 16.
Of course, in other embodiments, a branch liquid outlet may be formed on each of the side walls of the configuration area 12 and the reserve area 13, the main pipe 31 may be disposed outside the box body 1, and the first branch pipe 31 and the second branch pipe 32 may respectively pass through the two branch liquid outlets and communicate with the main pipe.
Alkaline precipitates can be generated in the working process of the metal-air battery, the electrolyte can become thick due to the alkaline precipitates, the conductivity of the electrolyte is reduced, the performance of the metal-air battery is influenced, and even the metal-air battery fails. The precipitation zone 11 serves to precipitate the reaction products in the returning electrolyte, keeping the electrolyte pure. The liquid inlet 15 is arranged on the side wall above the settling zone 11, and the reflowed electrolyte enters the settling zone 11 and settles downwards under the blocking action of the partition plate 2. A cleaning opening 18 is arranged below the settling zone 11, a sealing plug is arranged in the cleaning opening 18, and reaction products settled in the electrolyte can be discharged by periodically opening the sealing plug.
The settling zone 11 communicates with the disposal zone 12 to enable the electrolyte to flow back into the disposal zone 12. As shown in fig. 3, specifically, a hollow groove is provided at the middle upper portion of the partition board 2 in the height direction between the settling area 11 and the configuration area 12, a filter screen 4 is installed in the hollow groove, the settling area 11 is communicated with the configuration area 12 through the filter screen 4, and the liquid levels of the settling area 11 and the configuration area 12 are the same. The mesh of the filter screen 4 is smaller than the particle diameter of the reaction product and larger than the diameter of the electrolyte in the electrolyte to allow continuous circulation of the electrolyte while preventing the precipitated reaction product from continuing into the disposition region 12.
The disposition region 12 is used for disposing an electrolyte solution to which an electrolyte is added when the concentration of the electrolyte in the electrolyte solution decreases. Within the configuration area 12, a conductivity sensor 5 and a temperature sensor 6 are installed, which are used to detect the conductivity and temperature of the electrolyte, respectively. As shown in fig. 4, a storage plate 19 is further disposed in the disposition area 12, and the storage plate 19 is disposed at the middle upper portion of the disposition area 12 and divides the disposition area 12 into a storage area 121 and a liquid distribution area 122 disposed vertically, wherein the storage area 121 is used for storing an electrolyte. The storage plate 19 includes left and right plates, both extending obliquely downward and connected to each other. The bottom of the storage plate 19 is provided with a discharging pipe 38 communicating the storage area 121 and the liquid distribution area 122, and the discharging pipe 38 is provided with a fourth valve 39.
In this embodiment, when the detection value of the conductivity sensor 5 is greater than the first set conductivity value, the configuration area 12 supplies liquid to the outside, and when the conductivity of the electrolyte is less than the second set conductivity value, the fourth valve 39 is opened, and the electrolyte is added into the electrolyte through the discharging pipe 38.
The side wall of the configuration area 12 is provided with a side liquid outlet 17, and the side liquid outlet 17 is used for communicating with external heat dissipation equipment in a liquid preparation process to form a liquid preparation loop.
When the conductivity of the electrolyte in the configuration area 12 is lower than a second set conductivity value, the configuration area 12 starts to distribute the electrolyte, the first valve 34 is closed, the configuration area 12 stops supplying the electrolyte to the galvanic pile 200, and the electrolyte tank 100 supplies the electrolyte to the galvanic pile 200 from the reserve area 13. The storage area 13 stores therein an electrolyte having a conductivity value greater than or equal to a third set conductivity value, which is greater than the first set conductivity value.
The pipeline assembly 3 is used for communicating each functional area. Specifically, the first branch pipe 31 passes through two partition plates 2 and communicates the disposition region 12 with the header pipe 33, and the second branch pipe 32 passes through one partition plate 2 and communicates the reserve region 13 with the header pipe 33.
The pipeline assembly 3 further includes a third branch pipe 36 and a third valve 37 disposed on the third branch pipe 36, and both ends of the third branch pipe 36 are respectively communicated with the configuration area 12 and the storage area 13. The reserve section 13 is provided with a liquid level sensor 7, and when the liquid level in the reserve section 13 is lower than a set level value and the conductivity of the electrolyte in the disposition section 12 is higher than a third set conductivity value, the third valve 37 is opened, and the disposition section 12 communicates with the reserve section 13 and supplies the electrolyte to the reserve section 13.
In this embodiment, the first valve 34, the second valve 35, the third valve 37 and the fourth valve 39 are all one-way valves to prevent the reverse flow of the electrolyte. Preferably, the first valve 34, the second valve 35, the third valve 37 and the fourth valve 39 are all one-way solenoid valves.
The logic of the liquid supply of the electrolyte tank 100 provided by the embodiment is as follows: when the conductivity of the electrolyte in the configuration area 12 is higher than a first set conductivity value and the temperature of the electrolyte is lower than a set temperature value, the first valve 34 is opened, the second valve 35 is closed, and the electrolyte is supplied to the galvanic pile of the metal-air battery from the configuration area 12; when the conductivity of the electrolyte in the distribution area 12 is lower than the second set conductivity value or the temperature thereof is higher than the set value, the second valve 35 is opened, the first valve 34 is closed, and the electrolyte is supplied from the reserve area 13 to the stack. When the conductivity of the electrolyte in the distribution area 12 is higher than a third set conductivity value, the third valve 37 is opened to replenish the electrolyte from the distribution area 12 to the reserve area 13.
In a second aspect, the present invention discloses a metal-air battery, which includes the electrolyte tank 100 as described in any of the above schemes, and further includes a stack 200, a first liquid pump 300, a heat sink 400 and a second liquid pump 500, wherein the first liquid pump 300 is connected in series between the main liquid outlet 16 of the electrolyte tank 100 and the liquid inlet of the stack 200, the heat sink 400 is connected in series between the liquid outlet of the stack 200 and the liquid inlet 15 of the electrolyte tank 100, and the second liquid pump 500 is connected in series between the side liquid outlet 17 of the electrolyte tank 100 and the liquid inlet of the heat sink 400.
Further, the metal-air battery further comprises a controller 600, the controller 600 is electrically connected with the first liquid pump 300, the second liquid pump 500 and the conductivity sensor 5, the temperature sensor 6 and the liquid level sensor 7 in the electrolyte tank 100, and the controller 600 is configured to control the on/off of the liquid supply loop and the liquid distribution loop according to the detection values of the conductivity sensor 5, the temperature sensor 6 and the liquid level sensor 7.
In the metal-air battery, the electrolyte tank 100, the first liquid pump 300, the stack 200 and the radiator 400 form a liquid supply loop, the electrolyte tank 100, the second liquid pump 500 and the radiator 400 form a liquid distribution loop, and the liquid supply loop and the liquid distribution loop are communicated through pipelines. Further, a fifth valve 700 is provided on a pipe between the stack 200 and the radiator 400, a sixth valve 800 is provided on a pipe between the electrolyte tank 100 and the second pump 500, and both the fifth valve 700 and the sixth valve 800 are one-way valves. Preferably, the fifth valve 700 and the sixth valve 800 are both one-way solenoid valves.
The working principle of the metal-air battery provided by the embodiment is as follows: and starting the first liquid pump 300, conducting a liquid supply loop, supplying electrolyte to the galvanic pile 200 by the configuration area 12 or the reserve area 13 in the electrolyte tank 100, radiating heat and cooling the electrolyte after reaction in the galvanic pile 200 by the radiator 400, and then returning the electrolyte to the electrolyte tank 100, wherein the liquid supply logic of the electrolyte tank 100 refers to the description above in the process.
In the above process, if the electrolyte tank 100 supplies the electrolyte from the reserve area 13 to the stack 200, the second liquid pump 500 is turned on at the same time, and the liquid distribution loop is turned on. During the liquid preparation process, the controller 600 simultaneously controls the fourth valve 39 to open, and adds the electrolyte into the liquid preparation area 122 to increase the concentration of the electrolyte. The electrolyte having the increased concentration and the increased temperature is pumped out from the side outlet 17 by the second pump 500, and is radiated by the radiator 400 and then flows back into the electrolyte tank 100. When the conductivity of the electrolyte in the configuration area 12 reaches a first set conductivity value and the temperature thereof is lower than a set temperature value, the liquid supply from the configuration area 12 to the stack 200 is resumed. When the conductivity of the electrolyte in the disposition region 12 reaches a third set conductivity value, the controller 600 controls the third valve 37 to open, and the disposition region 12 replenishes the electrolyte to the reserve region 13.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present specification, reference to the description of the terms "this embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. An electrolyte tank, comprising:
the device comprises a box body (1), wherein at least one partition plate (2) is arranged in the box body (1), the partition plate (2) divides the space in the box body (1) into a configuration area (12) and a storage area (13), and a liquid inlet (15) communicated with the configuration area (12) is formed in the box body (1);
the pipeline assembly (3) comprises a first branch pipe (31), a second branch pipe (32) and a main pipe (33), the main pipe (33) is used for externally supplying liquid, two ends of the first branch pipe (31) are respectively communicated with the configuration area (12) and the main pipe (33), two ends of the second branch pipe (32) are respectively communicated with the storage area (13) and the main pipe (33), and the first branch pipe (31) and the second branch pipe (32) can be communicated in a time-sharing mode to achieve the effect that liquid is supplied to the outside from the configuration area (12) or from the storage area (13).
2. The electrolyte tank as recited in claim 1, wherein a first valve (34) is disposed on the first branch pipe (31), a second valve (35) is disposed on the second branch pipe (32), and the first valve (34) and the second valve (35) are respectively used for controlling the on-off of the first branch pipe (31) and the second branch pipe (32).
3. The electrolyte tank as claimed in claim 1, wherein three partition plates (2) are arranged in the tank body (1), the three partition plates (2) divide the space in the tank body (1) into a settling zone (11), the configuration zone (12), the storage zone (13) and a pipeline zone (14) which are adjacent in sequence, the liquid inlet (15) is arranged on the side wall of the settling zone (11), and the settling zone (11) is communicated with the configuration zone (12).
4. An electrolyte tank according to claim 3, characterized in that a filter screen (4) is arranged on the partition (2) between the settling zone (11) and the distribution zone (12).
5. The electrolyte tank as claimed in claim 2, characterized in that a conductivity sensor (5) and a temperature sensor (6) are arranged in the distribution area (12), and when the conductivity of the electrolyte in the distribution area (12) is higher than a first set conductivity value and the temperature of the electrolyte is lower than a set temperature value, the first valve (34) is opened and the second valve (35) is closed;
when the conductivity of the electrolyte in the configuration area (12) is lower than the second set conductivity value or the temperature of the electrolyte is higher than the set temperature value, the second valve (35) is opened, and the first valve (34) is closed.
6. The electrolyte tank as claimed in claim 5, wherein the pipeline assembly (3) further comprises a third branch pipe (36), both ends of the third branch pipe (36) are respectively communicated with the configuration area (12) and the reserve area (13), and a third valve (37) is arranged on the third branch pipe (36);
a liquid level sensor (7) is arranged in the storage area (13), when the conductivity of the electrolyte in the configuration area (12) is higher than a third set conductivity value and the liquid level of the electrolyte in the storage area (13) is lower than a set level value, the third valve (37) is opened, and the third set conductivity value is larger than the first set conductivity value.
7. The electrolyte tank as recited in claim 1, wherein a storage plate (19) is disposed in the configuration area (12), the storage plate (19) divides the configuration area (12) into a storage area (121) and a liquid distribution area (122), a discharging pipe (38) communicating the storage area (121) and the liquid distribution area (122) is disposed on a side wall of the storage plate (19), and a fourth valve (39) is disposed on the discharging pipe (38).
8. The electrolyte tank as claimed in claim 1, wherein the side wall of the configuration area (12) is provided with a side liquid outlet (17), and the side liquid outlet (17) is used for communicating with an external heat dissipation device to form a liquid distribution loop.
9. A metal-air battery comprising an electrolyte tank according to any one of claims 1 to 8, further comprising a stack (200), a first liquid pump (300), a heat sink (400) and a second liquid pump (500), the first liquid pump (300) being connected in series between a manifold of the electrolyte tank and an inlet of the stack (200), the heat sink (400) being connected in series between an outlet of the stack (200) and an inlet of the electrolyte tank, the second liquid pump (500) being connected in series between a side outlet of the electrolyte tank and an inlet of the heat sink (400);
the electrolyte tank, the first liquid pump (300), the galvanic pile (200) and the radiator (400) form a liquid supply loop;
the electrolyte tank, the second liquid pump (500), and the radiator (400) constitute a liquid distribution circuit.
10. The metal-air battery of claim 9, further comprising a controller (600), wherein the controller (600) is electrically connected to the first liquid pump (300), the second liquid pump (500), and the conductivity sensor, the temperature sensor, and the liquid level sensor in the electrolyte tank, and the controller (600) is configured to control the on/off of the liquid supply loop and the liquid distribution loop according to the detection values of the sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444052.2A CN114725584B (en) | 2022-04-26 | 2022-04-26 | Electrolyte tank and metal-air battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210444052.2A CN114725584B (en) | 2022-04-26 | 2022-04-26 | Electrolyte tank and metal-air battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114725584A true CN114725584A (en) | 2022-07-08 |
| CN114725584B CN114725584B (en) | 2024-05-31 |
Family
ID=82245361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210444052.2A Active CN114725584B (en) | 2022-04-26 | 2022-04-26 | Electrolyte tank and metal-air battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114725584B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116706346A (en) * | 2023-08-02 | 2023-09-05 | 德阳市东新机电有限责任公司 | Aluminum fuel cell power generation system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296337A (en) * | 2013-06-24 | 2013-09-11 | 台州非常新能源科技有限公司 | A metal-air battery |
| US20130309581A1 (en) * | 2010-10-07 | 2013-11-21 | Sumitomo Chemical Company, Limited | Air battery |
| CN104801796A (en) * | 2015-04-13 | 2015-07-29 | 南京航空航天大学 | Electrolyte precise control system with real-time adjustable parameters and working method thereof |
| CN108172950A (en) * | 2016-12-08 | 2018-06-15 | 中国科学院大连化学物理研究所 | A kind of metal-air battery system and its operation method of automatic preparation electrolyte |
| CN112736267A (en) * | 2021-01-05 | 2021-04-30 | 清华大学 | Electrolyte circulation control pipe and battery electrolyte circulation system |
| CN113067008A (en) * | 2021-03-23 | 2021-07-02 | 郑州佛光发电设备有限公司 | Metal-air battery system and control method |
-
2022
- 2022-04-26 CN CN202210444052.2A patent/CN114725584B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130309581A1 (en) * | 2010-10-07 | 2013-11-21 | Sumitomo Chemical Company, Limited | Air battery |
| CN103296337A (en) * | 2013-06-24 | 2013-09-11 | 台州非常新能源科技有限公司 | A metal-air battery |
| CN104801796A (en) * | 2015-04-13 | 2015-07-29 | 南京航空航天大学 | Electrolyte precise control system with real-time adjustable parameters and working method thereof |
| CN108172950A (en) * | 2016-12-08 | 2018-06-15 | 中国科学院大连化学物理研究所 | A kind of metal-air battery system and its operation method of automatic preparation electrolyte |
| CN112736267A (en) * | 2021-01-05 | 2021-04-30 | 清华大学 | Electrolyte circulation control pipe and battery electrolyte circulation system |
| CN113067008A (en) * | 2021-03-23 | 2021-07-02 | 郑州佛光发电设备有限公司 | Metal-air battery system and control method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116706346A (en) * | 2023-08-02 | 2023-09-05 | 德阳市东新机电有限责任公司 | Aluminum fuel cell power generation system and method |
| CN116706346B (en) * | 2023-08-02 | 2023-10-13 | 德阳市东新机电有限责任公司 | Aluminum fuel cell power generation system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114725584B (en) | 2024-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU613405B2 (en) | Metal/air battery with recirculating electrolyte | |
| US5260144A (en) | Metal/air battery with seeded recirculating electrolyte | |
| JPH06501128A (en) | aluminum battery | |
| CN114725584A (en) | Electrolyte tank and metal-air battery | |
| US20240162531A1 (en) | Compact Unit of Refillable Aluminum-air Battery with Concurrent Hydrogen Utilization System | |
| US20100147231A1 (en) | Electrolytic Cell for an Internal Combustion Engine | |
| CN210468045U (en) | Metal fuel cell structure | |
| WO2023155668A1 (en) | Refrigerator and electrolytic deoxygenization system thereof | |
| US20020034679A1 (en) | Gas-evolving electrochemical cells | |
| CN115110118A (en) | Gas-liquid separator and electrolytic hydrogen production device | |
| CN113540522A (en) | Magnesium fuel cell monomer and magnesium fuel cell system | |
| CN218544658U (en) | Constant temperature and humidity machine | |
| CN220017857U (en) | Oxygen reducing device for refrigerator and refrigerator | |
| US20240170696A1 (en) | Radial mixing manifold | |
| KR20200119450A (en) | Electrolyte Circulation System for air cell | |
| CA2089885C (en) | Caustic-based metal battery with seeded recirculating electrolyte | |
| CN220818028U (en) | Air conditioning system, hydraulic center and water diversion tank with air exhaust and pollution discharge functions | |
| CN215496861U (en) | Closed alkaline electrolyte tank and metal-air fuel cell system | |
| GB2109621A (en) | Metal halogen electrical energy storage system and method of use thereof | |
| US20230062739A1 (en) | Systems and methods for flowing, storing, and rebalancing electrolyte in redox flow battery system | |
| US20230061531A1 (en) | Systems and methods for circulating electrolyte and electric current in series coupled redox flow battery cells | |
| JPH06223883A (en) | Metal-air battery | |
| WO2024118668A1 (en) | Tank enclosed injection system | |
| JP6087106B2 (en) | Fuel supply system | |
| JPS59157965A (en) | Fuel cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |