CN113238102A - Air electrode performance testing method and device - Google Patents
Air electrode performance testing method and device Download PDFInfo
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- CN113238102A CN113238102A CN202110323619.6A CN202110323619A CN113238102A CN 113238102 A CN113238102 A CN 113238102A CN 202110323619 A CN202110323619 A CN 202110323619A CN 113238102 A CN113238102 A CN 113238102A
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- air electrode
- electrode
- working box
- stainless steel
- air
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- 238000012360 testing method Methods 0.000 title claims abstract description 28
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 33
- 239000010935 stainless steel Substances 0.000 claims abstract description 33
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 11
- 239000003513 alkali Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 2
- 238000011056 performance test Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 239000012670 alkaline solution Substances 0.000 abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hybrid Cells (AREA)
Abstract
The invention aims to provide an air electrode performance testing method and device, which can detect the discharge performance of an air electrode by replacing a metal electrode in a metal-air battery with a stainless steel electrode and adding an external power supply and using an alkaline solution of hydroxyl as a medium to enable oxygen on the air electrode to react, and can test the discharge performance and the service life of the air electrode without the participation of the metal electrode.
Description
Technical Field
The invention belongs to the technical field of metal-air batteries, and particularly relates to a method and a device for testing the performance of an air electrode.
Background
A metal-air battery is one of the chemical batteries. The construction principle is similar to that of a dry cell except that its oxidant is taken from the oxygen in the air. For example, there is an air battery in which zinc is used as a negative electrode, sodium hydroxide is used as an electrolyte, and the negative electrode is porous activated carbon, so that oxygen in the air can be adsorbed instead of an oxidizing agent (manganese dioxide) in a general dry battery.
In order to verify the discharge performance of the air electrode of the metal-air battery, a test platform method is usually adopted, namely, the air electrode and the metal anode are subjected to chemical reaction to generate power. The method consumes metal anodes, and has higher cost; the participation of the metal anode can enhance the coupling property of the test and has influence on the discharge performance analysis of the air electrode; and the discharge performance analysis standard of the air electrode is inconsistent due to the inconsistency of a plurality of metal anodes.
Disclosure of Invention
The invention aims to provide a method and a device for testing the performance of an air electrode, which can test the discharge performance and the service life of the air electrode without the participation of a metal anode.
The technical scheme for solving the technical problems of the invention is as follows: an air electrode performance test method comprises the following steps:
s1: placing an air electrode and a stainless steel electrode in a working box, and filling a hydroxyl alkali solution in a pool;
s2: connecting the air electrode and the stainless steel electrode to the negative electrode and the positive electrode of an external power supply respectively;
s3: the external power supply supplies voltage to the negative electrode and the positive electrode;
s4: and judging the discharge performance of the air electrode through the current magnitude and the duration time in the loop.
The air electrode performance testing device comprises a working box, an air electrode and a stainless steel electrode, wherein the air electrode and the stainless steel electrode are placed in the working box, a hydroxyl alkali solution is contained in the working box, the air electrode and the stainless steel electrode are respectively contacted with the hydroxyl alkali solution, the air electrode performance testing device further comprises an external power supply, a negative electrode and a positive electrode of the external power supply are respectively connected with the air electrode and the stainless steel electrode, and the current testing device is used for detecting the current in a loop.
The air electrode device comprises a contact hole arranged on the side wall of the working box, one side of the air electrode is in contact with the side wall of the working box on the side of the opening, one side of the air electrode completely covers the contact hole, the air electrode device further comprises an upper limiting frame and a lower limiting frame which are used for limiting the air electrode in the horizontal direction, the air electrode penetrates through the upper limiting frame and the lower limiting frame, the upper limiting frame and the lower limiting frame are respectively fixedly connected with the side wall of the working box, the inner walls of the upper limiting frame and the lower limiting frame are respectively tightly attached to the non-contact surfaces of the air electrode and the side wall of the working box, the air electrode device further comprises an upper hoop and a lower hoop which are used for fixing the air electrode and compressing the air electrode to the contact hole, the length of the air electrode is greater than the height of the working box, the upper hoop and the lower hoop are respectively and fixedly arranged at the top and the bottom of the working box, and the upper hoop and the lower hoop are respectively used for fixing the air electrode higher than the top of the working box, The part lower than the bottom of the working box is locked and fixed.
Still include the sealing washer, the sealing washer sets up around the contact hole, the air electrode passes through the sealing washer with contact hole contact department and seals.
The fastening devices are multiple sets, and the multiple sets of fastening devices are respectively arranged on different sides of the working box.
The device comprises a working box, two sets of fastening devices and a rotary support, wherein the two sets of fastening devices are respectively arranged at two symmetrical sides of the working box, and the rotary support is fixedly connected with the rotating shaft side of the rotary support and the non-fastening device side of the working box.
And the stainless steel pole body is provided with a liquid discharge hole.
The bracket is used for bearing the work box and arranged at the bottom of the work box.
The bottom in the work box is provided with a limiting groove for limiting the position of the stainless steel pole, and the stainless steel pole penetrates through the top of the work box and is inserted into the limiting groove.
And the top and the bottom of the working box are respectively provided with a liquid inlet and a liquid outlet for feeding and discharging liquid.
The invention has the beneficial effects that: the invention replaces the metal pole in the metal-air battery with the stainless steel pole and adds the external power supply, and takes the alkaline solution of hydroxyl as the medium to make the oxygen on the air electrode react, so as to detect the discharge performance of the air electrode, and the discharge performance and the service life of the air electrode can be detected without the participation of the metal pole.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a top view of fig. 1 of the present invention.
Fig. 3 is a schematic view showing the combination of the rotary shaft and the work box in the present invention.
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. 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.
As shown in fig. 1, the present invention includes a method for testing the performance of an air electrode, comprising the steps of:
s1: an air electrode and a stainless steel electrode are placed in a working box, and a hydroxyl alkali solution (NaOH, the concentration is 3-8mol/L) is filled in a pool;
s2: connecting the air electrode and the stainless steel electrode to the negative electrode and the positive electrode of an external power supply respectively;
s3: the external power supply provides voltage for the negative electrode and the positive electrode, and the voltage is set according to the actual voltage of the battery monomer which is measured slowly (0.8-2.0V);
s4: and judging the discharge performance of the air electrode through the current magnitude and the duration time in the loop.
The chemical reaction equation that occurs during the experiment is:
O2+H2O+4e-→4OH-
4OH--4e-→O2↑+2H2O；
because the stainless steel electrode is adopted and does not react, the discharge performance and the service life of the air electrode can be tested without the participation of a metal anode.
The utility model provides an air electrode capability test device, includes work box 1 and places air electrode 2 and the stainless steel utmost point 3 in work box 1, the splendid attire has hydroxyl alkali solution 4 in the work box 1, air electrode 2 and stainless steel utmost point 3 contact with hydroxyl alkali solution 4 respectively, still includes external power supply 5, external power supply 5's negative pole and positive pole connect air electrode 2 and stainless steel utmost point 3 respectively, still includes current testing arrangement 15, current testing arrangement 15 is arranged in detecting the electric current size in the return circuit.
The air electrode device comprises a contact hole formed in the side wall of the working box 1, an upper limiting frame 61 and a lower limiting frame 62, wherein one side of the air electrode 2 is in contact with the side wall of the working box 1 on the side of the opening, one side of the air electrode 2 completely covers the contact hole, the upper limiting frame 61 and the lower limiting frame 62 are used for limiting the air electrode 2 in the horizontal direction, the upper limiting frame 61 and the lower limiting frame 62 are respectively and fixedly connected with the side wall of the working box 1, the air electrode 2 penetrates through the upper limiting frame 61 and the lower limiting frame 62, the inner walls of the upper limiting frame 61 and the lower limiting frame 62 are respectively and tightly attached to the non-contact surface of the air electrode 2 and the side wall of the working box 1, the air electrode device further comprises an upper hoop 71 and a lower hoop 72, the upper hoop 71 and the lower hoop 72 are used for fixing the air electrode 2 and pressing the contact hole, the length of the air electrode 2 is greater than the height of the working box 1, and the upper hoop 71 and the lower hoop 72 are respectively and fixedly arranged at the top and the bottom of the working box 1, the upper anchor ear 71 and the lower anchor ear 72 are respectively used for locking and fixing the part of the air electrode 2 higher than the top of the working box 1 and the part of the air electrode 2 lower than the bottom of the working box 1.
Still include sealing washer 8, sealing washer 8 sets up around the contact hole, air electrode 2 passes through sealing washer 8 with contact hole contact department and seals, compresses tightly air electrode 2 on sealing washer 8 during the use, prevents that liquid from oozing.
The fastening devices are multiple sets, and the multiple sets of fastening devices are respectively arranged on different sides of the working box 1.
The device comprises two sets of fastening devices, wherein the two sets of fastening devices are respectively arranged at two symmetrical sides of the working box 1, the device also comprises a rotating support 9, and the rotating shaft side of the rotating support 9 is fixedly connected with the non-fastening device side of the working box 1.
The body of the stainless steel pole 3 is provided with a liquid discharge hole 10.
The work box comprises a work box body 1 and a bracket 11 used for bearing the work box body 1, wherein the bracket 11 is arranged at the bottom of the work box body 1.
The bottom in the work box 1 is provided with a limiting groove 12 for limiting the position of the stainless steel pole 3, and the stainless steel pole 3 penetrates through the top of the work box 1 and is inserted in the limiting groove 12.
The top and the bottom of the working box 1 are respectively provided with a liquid inlet 13 and a liquid outlet 14 for liquid inlet and liquid discharge.
During the specific use of the device, firstly, the stainless steel electrode 3 is inserted into the limiting groove 12, then the air electrode 2 is inserted into the upper limiting frame 61 and the lower limiting frame 62, one side of the inserted air electrode 2 covers the contact hole, the other side of the air electrode is contacted with oxygen, two ends of the air electrode 2 are locked through the upper hoop 71 and the lower hoop 72 to enable the air electrode 2 to be fixed and tightly pressed on the sealing ring to enable the contact hole to be sealed to prevent liquid from flowing out, NaOH with the concentration of 3-8mol/L is added into the working box 1, the negative pole and the positive pole of the external power supply 5 are respectively connected with the air electrode 2 and the stainless steel electrode 3, and the current magnitude and the duration time in the loop are detected through the current testing device 15.
This device can measure multiunit air electrode 2 simultaneously, fixes multiunit air electrode 2 cartridge in the different sides of work box 1 and with many sets of fastener that correspond respectively.
When a plurality of groups of air electrodes 2 are measured, 2 groups of air electrodes are preferred, during measurement, the hydroxide alkali solution 4 in the working box 1 cannot be filled, the 2 groups of air electrodes are symmetrically arranged, and the rotating shaft side of the rotating bracket 9 is fixedly connected with the non-fastening device side of the working box 1, so that the purpose of doing so is to facilitate replacing the air electrodes 2, when the air electrodes 2 need to be replaced (the air electrodes 2 on the left side), the bracket 11 is removed, the rotating bracket 9 is reserved, the working box 1 is rotated clockwise by 90 degrees, the liquid in the working box 1 rapidly flows to the bottom of the rotated working box 1 through the liquid discharge hole 10 on the stainless steel electrode 3, the upper hoop 71 and the lower hoop 72 corresponding to the air electrodes 2 on the left side are opened, and the air electrodes 2 on the left side are disassembled and replaced; after the replacement, the air electrode 2 on the right side is rotated 180 degrees counterclockwise.
The solution in the working tank 1 can be added or discharged through liquid inlets 13 and liquid outlets 14 at the top and the bottom.
The invention replaces the metal pole in the metal-air battery with the stainless steel pole and adds the external power supply, and takes the alkaline solution of hydroxyl as the medium to make the oxygen on the air electrode react, so as to detect the discharge performance of the air electrode, and the discharge performance and the service life of the air electrode can be detected without the participation of the metal pole.
Claims (10)
1. An air electrode performance test method is characterized in that: the method comprises the following steps:
s1: placing an air electrode and a stainless steel electrode in a working box, and filling a hydroxyl alkali solution in a pool;
s2: connecting the air electrode and the stainless steel electrode to the negative electrode and the positive electrode of an external power supply respectively;
s3: the external power supply supplies voltage to the negative electrode and the positive electrode;
s4: and judging the discharge performance of the air electrode through the current magnitude and the duration time in the loop.
2. The utility model provides an air electrode capability test device which characterized in that: the device comprises a working box, an air electrode and a stainless steel electrode, wherein the air electrode and the stainless steel electrode are placed in the working box, a hydroxyl alkali solution is contained in the working box, the air electrode and the stainless steel electrode are respectively contacted with the hydroxyl alkali solution, the device further comprises an external power supply, the negative electrode and the positive electrode of the external power supply are respectively connected with the air electrode and the stainless steel electrode, and the device further comprises a current testing device, and the current testing device is used for detecting the current in a loop.
3. An air electrode performance testing device according to claim 2, characterized in that: the air electrode clamping device comprises a contact hole formed in the side wall of the working box, one side of the air electrode is in contact with the side wall of the working box on the side of the opening, the contact hole is completely covered by one side of the air electrode, the air electrode clamping device further comprises an upper limiting frame and a lower limiting frame which are used for limiting the air electrode in the horizontal direction, the upper limiting frame and the lower limiting frame are fixedly connected with the side wall of the working box respectively, the air electrode penetrates through the upper limiting frame and the lower limiting frame, the inner walls of the upper limiting frame and the lower limiting frame are tightly attached to the non-contact surfaces of the air electrode and the side wall of the working box respectively, the air electrode clamping device further comprises an upper hoop and a lower hoop which are used for fixing the air electrode and compressing the air electrode to the contact hole, the length of the air electrode is greater than the height of the working box, the upper hoop and the lower hoop are fixedly arranged at the top and the bottom of the working box respectively, and the upper hoop and the lower hoop are used for respectively fixing the air electrode to be higher than the top of the working box, The part lower than the bottom of the working box is locked and fixed.
4. An air electrode performance testing device according to claim 3, characterized in that: still include the sealing washer, the sealing washer sets up around the contact hole, the air electrode passes through the sealing washer with contact hole contact department and seals.
5. An air electrode performance testing device according to claim 3, characterized in that: the fastening devices are multiple sets, and the multiple sets of fastening devices are respectively arranged on different sides of the working box.
6. An air electrode performance testing device according to claim 5, wherein: the device comprises a working box, two sets of fastening devices and a rotary support, wherein the two sets of fastening devices are respectively arranged at two symmetrical sides of the working box, and the rotary support is fixedly connected with the rotating shaft side of the rotary support and the non-fastening device side of the working box.
7. The air electrode performance testing device of claim 6, wherein: and the stainless steel pole body is provided with a liquid discharge hole.
8. The air electrode performance testing device of claim 1, wherein: the bracket is used for bearing the work box and arranged at the bottom of the work box.
9. The air electrode performance testing device of claim 1, wherein: the bottom in the work box is provided with a limiting groove for limiting the position of the stainless steel pole, and the stainless steel pole penetrates through the top of the work box and is inserted into the limiting groove.
10. The air electrode performance testing device of claim 1, wherein: and the top and the bottom of the working box are respectively provided with a liquid inlet and a liquid outlet for feeding and discharging liquid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110323619.6A CN113238102B (en) | 2021-03-26 | 2021-03-26 | Air electrode performance testing method and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110323619.6A CN113238102B (en) | 2021-03-26 | 2021-03-26 | Air electrode performance testing method and device |
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| CN113238102A true CN113238102A (en) | 2021-08-10 |
| CN113238102B CN113238102B (en) | 2024-01-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114221000A (en) * | 2021-12-06 | 2022-03-22 | 中国人民解放军火箭军工程大学 | Aluminum-air battery detection system and control method thereof |
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| WO2018016531A1 (en) * | 2016-07-21 | 2018-01-25 | 日立化成株式会社 | Secondary cell system |
| JP2018107058A (en) * | 2016-12-28 | 2018-07-05 | 植田 義明 | Magnesium air battery |
| CN109975706A (en) * | 2017-12-14 | 2019-07-05 | 中国科学院大连化学物理研究所 | A kind of test method in oxygen reduction cathode service life |
| CN111413573A (en) * | 2020-05-13 | 2020-07-14 | 郑州佛光发电设备有限公司 | Air electrode life testing device and testing method |
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2021
- 2021-03-26 CN CN202110323619.6A patent/CN113238102B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140227616A1 (en) * | 2011-11-16 | 2014-08-14 | Ngk Insulators, Ltd. | Zinc-air secondary battery |
| JP2015002040A (en) * | 2013-06-14 | 2015-01-05 | シャープ株式会社 | Metal air secondary battery |
| JP2017147068A (en) * | 2016-02-16 | 2017-08-24 | シャープ株式会社 | Chemical cell, active material used in chemical cell, active material generation device, and active material generation method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114221000A (en) * | 2021-12-06 | 2022-03-22 | 中国人民解放军火箭军工程大学 | Aluminum-air battery detection system and control method thereof |
| CN114221000B (en) * | 2021-12-06 | 2024-05-17 | 中国人民解放军火箭军工程大学 | Aluminum air battery detection system and control method thereof |
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