CN113991219B - Dual-cycle cooling battery device and system applied to aluminum air battery - Google Patents
Dual-cycle cooling battery device and system applied to aluminum air battery Download PDFInfo
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- CN113991219B CN113991219B CN202111257796.5A CN202111257796A CN113991219B CN 113991219 B CN113991219 B CN 113991219B CN 202111257796 A CN202111257796 A CN 202111257796A CN 113991219 B CN113991219 B CN 113991219B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a double-circulation cooling battery device and a system applied to an aluminum air battery, wherein the device comprises a mold cavity, a mold cover, a temperature control tube, an aluminum negative electrode, a first air electrode, a first fixed frame, a second air electrode and a second fixed frame; the contact short head at the lower end of the contact arm, which extends out obliquely from the conducting strip on the previous battery device, is inserted into the round hole on the contact short piece at the tail ends of the first air electrode wire and the second air electrode wire on the next battery device. The electrolyte in each battery device realizes synchronous circulation by the electrolyte circulation of one of the double circulation and the electrolyte connecting pipes connected in series. And the temperature control liquid in the second double circulation is circulated, and the temperature control pipes connected in series realize the temperature control of the electrolyte in each battery device. Under the combined action of the two, the temperature and the voltage of the reaction are more stable.
Description
Technical Field
The invention belongs to the technical field of electrochemistry, and particularly relates to a double-circulation cooling battery device and system applied to an aluminum air battery.
Background
The aluminum-air battery reacts with oxygen in the air by using an aluminum plate, and has the advantages of rich resources, high theoretical discharge potential, low cost and the like. In the discharging process, the aluminum plate is oxidized, and oxygen in the air is reduced to generate OH - Electrons flow from the negative electrode to the positive electrode through an external circuit.
The aluminum air battery discharges by dissolving aluminum, aluminum oxidation loses three electrons, compared with a magnesium air battery and a zinc air battery, the alkaline aluminum air battery discharges violently, and usually with larger heat emission, electrolyte does not conduct circulation heat dissipation or circulation is unsmooth, so that the electrolyte is likely to boil, economic loss is caused, and personal safety is threatened in serious cases. And the neutral aluminum air battery discharges to generate a large amount of aluminum hydroxide precipitate, so that an air electrode is blocked, the conductivity of the solution is reduced, and the discharge performance is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a double-circulation cooling battery device and a double-circulation cooling battery system applied to an aluminum air battery.
The invention is realized by the following technical scheme:
a double-circulation cooling battery device applied to an aluminum air battery comprises a mold cavity, a mold cover, a temperature control tube, an aluminum negative electrode, a first air electrode, a first fixed frame, a second air electrode and a second fixed frame;
the upper opening and two sides of the die cavity are provided with windows, the bottom of the die cavity is provided with an electrolyte inlet and an electrolyte outlet which are bilaterally symmetrical, and a liquid outlet channel is formed in the die cavity and vertically above the electrolyte outlet by arranging a baffle;
the die cover is arranged at the upper opening of the die cavity, and 2 through holes are formed in the die cover;
the temperature control pipe is U-shaped, is arranged in the die cavity and penetrates out through the through hole on the die cover;
the aluminum negative electrode is suspended in the cavity of the die and is connected with the conducting strip arranged on the die cover through an aluminum negative electrode lead;
the first air electrode covers the window on one side of the die cavity, a first fixed frame is arranged on the first air electrode in a fitting mode, the second air electrode covers the window on the other side of the die cavity, a second fixed frame is arranged on the second air electrode in a fitting mode, and the first air electrode and the second air electrode are connected to the die cover through a first air electrode wire and a second air electrode wire respectively.
In the above technical scheme, the die cavity and the die cover are made of plastic, and the temperature control tube is made of stainless steel.
In the above technical scheme, the two sides of the die cavity are provided with screw holes for connecting and fixing more than two devices.
In the technical scheme, the temperature control pipe is connected with the constant temperature water tank and used for adjusting and controlling the temperature of electrolyte in the cavity.
In the above technical solution, the ends of the first air electrode wire and the second air electrode wire are respectively connected with a contact short piece, and a round hole is formed on the contact short piece.
In the above technical scheme, the conductive strip forms a contact arm extending obliquely, and the lower end of the contact arm forms a contact stub.
In the above technical scheme, the first air electrode and the second air electrode are manganese dioxide-acetylene black-nickel screen air electrodes.
The double-circulation cooling battery system applied to the aluminum air battery comprises a plurality of double-circulation cooling battery devices applied to the aluminum air battery, connecting screws, electrolyte connecting pipes, a liquid inlet tank, a liquid outlet tank, a temperature control pipe connecting pipe and a constant-temperature water tank;
the battery devices are arranged side by side, and 2 connecting screws penetrate through 2 screw holes on each battery device respectively to connect and fix the battery devices;
one electrolyte connecting pipe is connected with each battery device at the position of an electrolyte inlet through a liquid inlet tank, and the other electrolyte connecting pipe is connected with each battery device at the position of an electrolyte outlet and is connected into a liquid outlet tank;
the temperature control pipe connecting pipes connect the temperature control Guan Xiang in series and then are connected with the constant temperature water tank;
and the contact arm extending out of the conducting strip on the former battery device in an inclined way is inserted into the round hole on the contact short piece at the tail ends of the first air electrode wire and the second air electrode wire on the latter battery device.
In the above technical scheme, the anolyte is NaCl solution or NaOH solution.
In the technical proposal, the effective discharge area of the aluminum-air battery is 200cm 2 。
The invention has the advantages and beneficial effects that:
1. the liquid outlet channel in the die cavity ensures the full contact reaction of the electrode liquid and the electrode to the maximum extent.
2. The fixed frame air electrode expands.
3. The design of the screw holes of the die cavity is convenient for connecting and fixing the side-by-side battery devices.
4. The contact short head at the lower end of the contact arm, which extends out obliquely from the conducting strip on the previous battery device, is inserted into the round hole on the contact short piece at the tail ends of the first air electrode wire and the second air electrode wire on the next battery device.
5. The electrolyte in each battery device realizes synchronous circulation by the electrolyte circulation of one of the double circulation and the electrolyte connecting pipes connected in series. And the temperature control liquid in the second double circulation is circulated, and the temperature control pipes connected in series realize the temperature control of the electrolyte in each battery device. Under the combined action of the two, the temperature and the voltage of the reaction are more stable.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a dual-cycle cooling battery device applied to an aluminum-air battery.
Fig. 2 is an exploded structure diagram of a dual cycle cooling battery device applied to an aluminum air battery.
Fig. 3 is a schematic view of a mold cavity structure.
Fig. 4 is a schematic diagram of a side perspective structure of a mold cavity.
Fig. 5 is a schematic diagram of a plan perspective structure of a mold cavity.
Fig. 6 is a schematic view of a partial structure of the mold cover and the conductive strip.
Fig. 7 is a schematic diagram of a connection structure of the first air electrode and the second air electrode.
Fig. 8 is a schematic structural diagram of a dual-cycle cooling system applied to an aluminum-air battery.
FIG. 9 is a graph (I) showing the test results of example 2.
FIG. 10 is a graph (II) showing the test results of example 2.
FIG. 11 is a graph (I) showing the test results of example 3.
FIG. 12 is a graph (II) showing the test results of example 3.
FIG. 13 is a graph (I) showing the test results of example 4.
FIG. 14 is a graph (II) showing the test results of example 4.
Wherein: 1 is a first air electrode, 1-1 is a first air electrode wire, 1-2 is a contact short piece, 2 is a first fixed frame, 3 is a mold cavity, 3-1 is a window, 3-2 is a screw hole, 3-3 is an electrolyte inlet, 3-4 is an electrolyte outlet, 3-5 is a partition plate, 3-6 is a liquid outlet channel, 4 is a mold cover, 4-1 is a through hole, 5 is a conductive strip, 5-1 is a contact short piece, 6 is an aluminum negative electrode, 6-1 is an aluminum negative electrode wire, 7 is a temperature control tube, 8 is a second air electrode, 8-1 is a second air electrode wire, and 9 is a second fixed frame.
Other relevant drawings may be made by those of ordinary skill in the art from the above figures without undue burden.
Detailed Description
In order to make the person skilled in the art better understand the solution of the present invention, the following describes the solution of the present invention with reference to specific embodiments.
Example 1
The double-circulation cooling battery device applied to the aluminum air battery comprises a mold cavity 3, a mold cover 4, a temperature control tube 7, an aluminum negative electrode 6, a first air electrode 1, a first fixed frame 2, a second air electrode 8 and a second fixed frame 9;
the upper opening of the die cavity 3 is provided with two windows 3-1 on two sides, the electrolyte inlet 3-3 and the electrolyte outlet 3-4 are bilaterally symmetrical at the bottom of the die cavity 3, and a liquid outlet channel 3-6 is formed by arranging a baffle plate 3-5 vertically above the electrolyte outlet 3-4 in the die cavity 3;
the die cover 4 is arranged at the upper opening of the die cavity 3, and 2 through holes 4-1 are formed in the die cover 4;
the temperature control pipe 7 is U-shaped, is arranged in the die cavity 3 and penetrates out through the through hole 4-1 on the die cover 4;
the aluminum negative electrode 6 is arranged in the die cavity 3 in a suspending manner and is connected with the conducting strip 5 arranged on the die cover 4 through the aluminum negative electrode lead 6-1;
the first air electrode 1 is covered at a window 3-1 arranged at one side of the die cavity 3, a first fixed frame 2 is attached to the first air electrode, the second air electrode 8 is covered at the window 3-1 arranged at the other side of the die cavity 3, a second fixed frame 9 is attached to the second air electrode, and the first air electrode 1 and the second air electrode 8 are connected to the die cover through a first air electrode wire 1-1 and a second air electrode wire 8-1 respectively.
In this embodiment, the mold cavity 3 and the mold cover 4 are made of plastic, and the temperature control tube 7 is made of stainless steel.
In this embodiment, screw holes 3-2 are provided on both sides of the mold cavity 3 for connecting and fixing two or more devices.
In this embodiment, the temperature control tube 7 is connected to the constant temperature water tank for adjusting and controlling the temperature of the electrolyte in the cavity.
In this embodiment, the ends of the first air electrode wire 1-1 and the second air electrode wire 8-1 are respectively connected to a contact tab 1-2, and a circular hole is formed in the contact tab.
In this embodiment, the conductive strip 5 forms a contact arm extending obliquely, and the lower end of the contact arm forms a contact stub 5-1.
In this embodiment, the first air electrode 1 and the second air electrode 8 are manganese dioxide-acetylene black-nickel mesh air electrodes.
The double-circulation cooling battery system applied to the aluminum air battery comprises a plurality of double-circulation cooling battery devices applied to the aluminum air battery, connecting screws, electrolyte connecting pipes, a liquid inlet tank, a liquid outlet tank, a temperature control pipe connecting pipe and a constant-temperature water tank;
the battery devices are arranged side by side, and 2 connecting screws penetrate through 2 screw holes 3-2 on each battery device to connect and fix the battery devices;
one electrolyte connecting pipe is connected with each battery device through a liquid inlet tank and is connected with an electrolyte inlet 3-3, and the other electrolyte connecting pipe is connected with each battery device at an electrolyte outlet 3-4 and is connected into a liquid outlet tank;
the temperature control pipe connecting pipes connect the temperature control pipes 7 in series and then are connected with the constant temperature water tank;
the contact short head 5-1 at the lower end of the contact arm, from which the conductive strip 5 obliquely extends, of the former battery device is inserted into the round hole on the contact short piece 1-2 at the tail ends of the first air electrode wire 1-1 and the second air electrode wire 8-1 of the latter battery device.
In this embodiment, the anolyte is a NaCl solution or NaOH solution.
In this embodiment, the effective discharge area of the aluminum-air battery is 200cm 2 。
Example 2
The cathode of the test aluminum-air battery is 3N9 pure aluminum, the anode is an air electrode containing acetylene black, manganese dioxide and nickel screen, the discharge potential curve in the test aluminum-air battery for 2h is tested, and the current density is 100mA/cm 2 The circulating electrolyte system is first opened so that electrolyte enters the mold. When the die is full of electrolyte, the battery starts to discharge, and at the moment, the positive electrode and the negative electrode of the battery are connected to the electrochemical workstation for data acquisition, no cycle is adopted in the embodiment, the experimental result is as shown in fig. 9 and 10, the temperature is finally increased to boiling, and the battery is in thermal runaway. The voltage is finally stabilized at about 0.8V, and the hydrogen evolution reaction is aggravated due to the overhigh temperature (about 45min to 85 ℃), and the voltage curve has larger fluctuation.
Example 3
The cathode of the test aluminum-air battery is a 3N9 pure aluminum plate, the anode of the test aluminum-air battery is an air electrode containing acetylene black, manganese dioxide and nickel screen, the discharge potential curve in the test aluminum-air battery for 2h is tested, and the current density is 100mA/cm 2 The circulating electrolyte system is first opened so that electrolyte enters the mold. When the die is full of electrolyte, the battery starts to discharge, and at the moment, the positive electrode and the negative electrode of the battery are connected to the electrochemical workstation for data acquisition, the electrolyte is adopted for internal circulation and temperature control circulation is not performed, experimental results are shown in fig. 11 and 12, the temperature is finally stabilized at 55 ℃, the voltage is finally stabilized at about 1.1V, and the voltage curve fluctuation is small.
Example 4
The cathode of the test aluminum-air battery is a 3N9 pure aluminum plate, the anode of the test aluminum-air battery is an air electrode containing acetylene black, manganese dioxide and nickel screen, the discharge potential curves in the test aluminum-air battery for 2h are all 100mA/cm < 2 >, and the circulating electrolyte system is firstly opened to enable electrolyte to enter the die. When the die is full of electrolyte, the battery starts to discharge, at the moment, the positive electrode and the negative electrode of the battery are connected to an electrochemical workstation for data acquisition, the embodiment adopts the internal circulation of the electrolyte, and a stainless steel tube is connected to a constant temperature control system, the experimental result is that the temperature is finally stabilized at 30 ℃, the voltage is stabilized at 1.25V, and the voltage curve hardly fluctuates after the double circulation system is started as shown in fig. 13 and 14.
According to the embodiment, the electrolyte in one of the double circulation is circulated, the electrolyte connecting pipes connected in series enable the electrolyte in each battery device to realize synchronous circulation, the temperature control liquid in the other two of the double circulation is circulated, the temperature control pipes connected in series enable the temperature of the electrolyte in each battery device to be controlled, and the temperature and the voltage of the reaction are more stable under the combined action of the two.
The numbering of the components itself, e.g. "first", "second", etc., is used herein merely to distinguish between the described objects and does not have any sequential or technical meaning. The terms "coupled" and "connected," as used herein, are intended to encompass both direct and indirect coupling (coupling), unless otherwise indicated. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The foregoing has described exemplary embodiments of the invention, it being understood that any simple variations, modifications, or other equivalent arrangements which would not unduly obscure the invention may be made by those skilled in the art without departing from the spirit of the invention.
Claims (10)
1. Be applied to double round cooling battery device of aluminium air battery, its characterized in that: the device comprises a die cavity, a die cover, a temperature control tube, an aluminum negative electrode, a first air electrode, a first fixed frame, a second air electrode and a second fixed frame;
the upper opening and two sides of the die cavity are provided with windows, the bottom of the die cavity is provided with an electrolyte inlet and an electrolyte outlet which are bilaterally symmetrical, and a liquid outlet channel is formed in the die cavity and vertically above the electrolyte outlet by arranging a baffle;
the die cover is arranged at the upper opening of the die cavity, and 2 through holes are formed in the die cover;
the temperature control pipe is U-shaped, is arranged in the die cavity and penetrates out through the through hole on the die cover;
the aluminum negative electrode is suspended in the cavity of the die and is connected with the conducting strip arranged on the die cover through an aluminum negative electrode lead;
the first air electrode covers the window on one side of the die cavity, a first fixed frame is arranged on the first air electrode in a fitting mode, the second air electrode covers the window on the other side of the die cavity, a second fixed frame is arranged on the second air electrode in a fitting mode, and the first air electrode and the second air electrode are connected to the die cover through a first air electrode wire and a second air electrode wire respectively.
2. The dual cycle cooling battery apparatus for an aluminum air battery of claim 1, wherein: the die cavity and the die cover are made of plastic, and the temperature control tube is made of stainless steel.
3. The dual cycle cooling battery apparatus for an aluminum air battery of claim 1, wherein: screw holes are formed in two sides of the die cavity and used for connecting and fixing more than two devices.
4. The dual cycle cooling battery apparatus for an aluminum air battery of claim 1, wherein: the temperature control pipe is connected with the constant temperature water tank and used for adjusting and controlling the temperature of electrolyte in the cavity.
5. The dual cycle cooling battery apparatus for an aluminum air battery of claim 1, wherein: the tail ends of the first air electrode wire and the second air electrode wire are respectively connected with a contact short piece, and a round hole is formed in the contact short piece.
6. The dual cycle cooling battery apparatus for an aluminum air battery of claim 1, wherein: the conductive strip forms a contact arm extending obliquely, and the lower end of the contact arm forms a contact short head.
7. The dual cycle cooling battery apparatus for an aluminum air battery of claim 1, wherein: the first air electrode and the second air electrode are manganese dioxide-acetylene black-nickel screen air electrodes.
8. Be applied to double circulation cooling battery system of aluminium air battery, its characterized in that: a dual cycle cooling battery device, a connecting screw, an electrolyte connecting pipe, a liquid inlet tank, a liquid outlet tank, a temperature control pipe connecting pipe and a constant temperature water tank, wherein the dual cycle cooling battery device is applied to an aluminum air battery according to any one of claims 1-7;
the battery devices are arranged side by side, and 2 connecting screws penetrate through 2 screw holes on each battery device respectively to connect and fix the battery devices;
one electrolyte connecting pipe is connected with each battery device at the electrolyte inlet by a liquid inlet tank, and the other electrolyte connecting pipe is connected with each battery device at the electrolyte outlet and is connected with a liquid outlet tank;
the temperature control pipe connecting pipes connect the temperature control Guan Xiang in series and then are connected with the constant temperature water tank;
and the contact arm extending out of the conducting strip on the former battery device in an inclined way is inserted into the round hole on the contact short piece at the tail ends of the first air electrode wire and the second air electrode wire on the latter battery device.
9. The dual cycle cooling battery system for an aluminum air battery of claim 8, wherein: the anolyte is NaCl solution or NaOH solution.
10. The dual cycle cooling battery system for an aluminum air battery of claim 8, wherein: the effective discharge area of the aluminum-air battery is 200cm 2 。
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111257796.5A CN113991219B (en) | 2021-10-27 | 2021-10-27 | Dual-cycle cooling battery device and system applied to aluminum air battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111257796.5A CN113991219B (en) | 2021-10-27 | 2021-10-27 | Dual-cycle cooling battery device and system applied to aluminum air battery |
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| CN113991219A CN113991219A (en) | 2022-01-28 |
| CN113991219B true CN113991219B (en) | 2023-06-27 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202737061U (en) * | 2012-04-10 | 2013-02-13 | 德阳东深新能源科技有限公司 | High-power aluminum-air battery system |
| CN108493508A (en) * | 2018-06-06 | 2018-09-04 | 中南大学 | The recovery method and system of aluminium in aluminium-air cell electrolyte |
| CN108808176A (en) * | 2017-04-28 | 2018-11-13 | 罗天珍 | Subdivision cycle, spray oxygen dissolving type metal-air battery |
| CN110364786A (en) * | 2019-07-29 | 2019-10-22 | 空天科技有限公司 | Generating set and the power station of a kind of aluminium air electricity generation system and its composition |
| CN209860033U (en) * | 2019-07-05 | 2019-12-27 | 上海华普汽车有限公司 | Aluminum-air battery |
| CN112542637A (en) * | 2020-12-30 | 2021-03-23 | 绿业中试低碳科技（镇江）有限公司 | Aluminum air battery module |
-
2021
- 2021-10-27 CN CN202111257796.5A patent/CN113991219B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202737061U (en) * | 2012-04-10 | 2013-02-13 | 德阳东深新能源科技有限公司 | High-power aluminum-air battery system |
| CN108808176A (en) * | 2017-04-28 | 2018-11-13 | 罗天珍 | Subdivision cycle, spray oxygen dissolving type metal-air battery |
| CN108493508A (en) * | 2018-06-06 | 2018-09-04 | 中南大学 | The recovery method and system of aluminium in aluminium-air cell electrolyte |
| CN209860033U (en) * | 2019-07-05 | 2019-12-27 | 上海华普汽车有限公司 | Aluminum-air battery |
| CN110364786A (en) * | 2019-07-29 | 2019-10-22 | 空天科技有限公司 | Generating set and the power station of a kind of aluminium air electricity generation system and its composition |
| CN112542637A (en) * | 2020-12-30 | 2021-03-23 | 绿业中试低碳科技（镇江）有限公司 | Aluminum air battery module |
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