CN112666465A - Metal-air battery test system and test method thereof - Google Patents
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 238000010998 test method Methods 0.000 title claims description 3
- 239000003792 electrolyte Substances 0.000 claims abstract description 97
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000001257 hydrogen Substances 0.000 claims abstract description 37
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 37
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 230000007797 corrosion Effects 0.000 claims abstract description 13
- 238000005260 corrosion Methods 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 19
- 238000003487 electrochemical reaction Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 claims 2
- 238000011056 performance test Methods 0.000 abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 230000008569 process Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
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- 238000011160 research Methods 0.000 description 2
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
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- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
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Abstract
The invention discloses a metal-air battery test system, which comprises: the system comprises a metal air battery, a load, a first heat exchanger, an electrolyte tank, a hydrogen collector, a circulating pump and a second heat exchanger; a circulating pump, a second heat exchanger, a metal air battery, a first heat exchanger and an electrolyte tank are sequentially connected along the flowing direction of electrolyte in the test system; the test system also comprises a heat integrating instrument, a thermostat and an air supply system. The test system integrates the functions of anode performance test, cathode performance test, single battery performance test, system heat test and system corrosion test of the metal-air battery into a whole, can realize the whole battery performance test of the metal-air battery system, can also independently analyze the performances of the anode and the cathode of the battery, the comprehensive conditions of system heat productivity, hydrogen evolution corrosion and the like, has compact structure, solves the problem of inconsistent test standards of all indexes of the metal-air battery, and enables the test system to be complete and uniform.
Description
Technical Field
The invention relates to the technical field of aluminum-air batteries, in particular to a metal-air battery testing system and a testing method thereof.
Background
A metal-air battery, also called a metal fuel battery or a metal-air fuel battery, is a device that directly converts chemical energy of light metals such as magnesium and aluminum as fuel into electrical energy. The energy-saving power supply has the advantages of high energy density, low heat radiation, low noise, long storage time, long discharge life, wide adaptive temperature range, high safety coefficient, abundant resources, greenness, no pollution and the like, and has wide application prospects in the fields of smart power grids, base station standby power supplies, island power supplies, military facility standby power supplies, electric automobile range extenders and the like.
The research on the metal-air battery has mainly focused on the aspects of air electrode catalytic materials, negative alloy electrode materials and the like, the conventional metal-air battery testing device lacks comprehensive test analysis on battery materials and battery system indexes, and cannot perform effective system evaluation on the comprehensive performance of the battery materials and a battery module, such as the test on the overall system efficiency of the metal-air battery, the test on the internal heat productivity of the metal-air battery, the test on the utilization rate of anode fuel, the test on the hydrogen evolution and the power generation of an anode, the test on the performance of a cathode and the like. The metal-air battery has the defects of uneven technical level, scientific research and product separation, no standard in industrial products, no test specification and no industrial standard, so that the key technology cannot be measured and unified, the technical level cannot be judged, and the progress of the metal-air battery technology is seriously hindered.
Disclosure of Invention
In view of the defects of the prior art, the invention provides a metal-air battery testing system on one hand, and aims to solve the problems that the existing metal-air battery testing device is single in performance evaluation, inconsistent in various testing standards, incapable of testing the heating value of the system, incapable of analyzing the performance of an anode and the performance of a cathode, incapable of evaluating the relationship between the heating value generated by power generation and the hydrogen evolution corrosion of the whole system and the like.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a metal-air cell test system, the test system comprising:
the metal-air battery comprises a battery box, and a cathode plate, an anode plate and electrolyte which are accommodated in the battery box;
a load electrically connected to the metal-air battery;
a heat source inlet of the first heat exchanger is communicated with an electrolyte outlet of the battery box, a heat source outlet is communicated with the electrolyte box, and a cold source is communicated with the heat integrating instrument;
an electrolyte tank, wherein a liquid inlet of the electrolyte tank is communicated with the first heat exchanger, and a liquid outlet of the electrolyte tank is connected with the circulating pump;
a hydrogen gas collector communicated to a top position of the electrolyte tank;
a circulating pump, the liquid inlet of which is communicated with the electrolyte tank and the liquid outlet of which is communicated with the thermostat; and
and the outlet of the second heat exchanger is communicated with the electrolyte inlet of the battery box, the inlet of the second heat exchanger is communicated with the circulating pump, and the heat source is communicated with the thermostat.
Further, the test system further comprises a heat integrating instrument, and the heat integrating instrument is connected with the first heat exchanger cold source and used for testing the heat productivity of the system.
Further, the test system also comprises a thermostat, wherein the thermostat is electrically connected with the second heat exchanger and used for controlling the electrolyte to enter the battery box at a constant temperature.
Furthermore, an air supply system is arranged at a position corresponding to the cathode plate of the metal-air battery and used for promoting the supply of oxygen in the reaction process of the metal-air battery and the ventilation and heat dissipation of the metal-air battery.
Further, the test system also comprises a steam-water separator, and the steam-water separator is arranged between the electrolyte tank and the hydrogen collector.
In another aspect of the present invention, a testing method of the above metal-air battery testing system is further provided, where the testing method includes the following steps:
s1: adding a rated amount of electrolyte into a battery box of the metal-air battery, wherein an anode plate and a cathode plate with rated weight and volume in the battery box perform electrochemical discharge reaction under the action of the electrolyte, and outputting electric energy and transmitting the electric energy to a load;
s2: when the discharge performance of the metal-air battery is tested, the load is started to discharge, the electrolyte after electrochemical reaction flows to an electrolyte box, a hydrogen collector is started to measure the hydrogen generation amount, a circulating pump and a thermostat are started, and the electrolyte in the electrolyte box is circulated and returned to a battery box of the metal-air battery so as to keep the temperature of the electrolyte entering the metal-air battery constant; testing various performance indexes of the metal-air battery under the condition of constant temperature; or
When the metal air battery heat release performance is tested, a circulating pump is started, electrolyte in an electrolyte tank passes through a second heat exchanger through the circulating pump and then enters a battery box of the metal air battery at a constant temperature, the electrolyte after electrochemical reaction flows through a first heat exchanger and then is conveyed to the electrolyte tank, and the heat release of the battery is measured through the first heat exchanger and a heat integrating instrument connected to a cold source pipeline of the first heat exchanger; or
When the anode performance or cathode performance index test is carried out, the inlet temperature of the first heat exchanger is kept as a set value, the thermostat is controlled, the internal temperature of the battery is a constant value, electrochemical reaction is carried out, and the anode or cathode performance, corrosion and hydrogen evolution quantity are evaluated.
Furthermore, the performance of the battery is one or more performance indexes of rated capacity, rated electric energy, power density, anode consumption rate, electrolyte consumption rate, anode corrosion rate, heat productivity and rated hydrogen evolution rate.
The invention has the beneficial effects that:
the metal-air battery test system disclosed by the invention has a compact structure through reasonable system design, integrates the functions of anode performance test, cathode performance test, single battery performance test, system heat test and system corrosion test of the metal-air battery, can realize the overall battery performance test of the metal-air battery system, can also independently analyze the comprehensive conditions of the anode performance and the cathode performance of the battery, the heat productivity and the hydrogen evolution corrosion of the system and the like, provides technical support for further optimizing the metal-air battery technology, can provide a complete and uniform test system, and enables the test standards of all indexes of the metal-air battery to be more consistent.
Drawings
Fig. 1 is a general process flow diagram of the metal-air battery test system of the present invention.
FIG. 2 is a process flow chart of the battery performance test performed by the test system of the present invention.
FIG. 3 is a process flow chart of the testing system for simultaneously testing the heat release and the battery discharge performance of the battery of the present invention.
FIG. 4 is a flow chart of the anode performance testing process performed by the testing system of the present invention.
Fig. 5 is a graph of a discharge performance test performed after single cells are assembled into a cell stack in the test system of the present invention.
FIG. 6 is a graph of performance testing of an anode aluminum plate in a metal-air battery of the testing system of the present invention.
Fig. 7 is a graph of cathode performance testing in a metal-air cell of the test system of the present invention.
Fig. 8 and 9 are graphs showing the hydrogen evolution rate test of the metal-air battery of the test system of the present invention.
The system comprises a metal air battery 1, a load 2, a first heat exchanger 3, a heat integrating instrument 4, an electrolyte tank 5, a hydrogen collector 6, a steam-water separator 61, a circulating pump 7, a thermostat 8, a second heat exchanger 9 and an air supply system 11.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention.
Examples
As shown in fig. 1, the test system for a metal-air battery 1 of the present embodiment includes a metal-air battery 1, a load 2, a first heat exchanger 3, a heat integrator 4, an electrolyte tank 5, a hydrogen collector 6, a circulation pump 7, a thermostat 8, and a second heat exchanger 9. The metal-air battery 1 comprises a battery box, and a cathode plate, an anode plate and electrolyte which are accommodated in the battery box; the load 2 is electrically connected to the metal-air battery 1; a heat source inlet of the first heat exchanger 3 is communicated with an electrolyte outlet of the battery box, a heat source outlet is communicated with the electrolyte box 5, and a cold source is communicated with the heat integrating instrument 4; the heat integrating instrument 4 is communicated to the first heat exchanger 3; a liquid inlet of the electrolyte tank 5 is communicated to the first heat exchanger 3, and a liquid outlet of the electrolyte tank is connected to a circulating pump 7; the hydrogen collector 6 is communicated to the top of the electrolyte tank 5; a liquid inlet of the circulating pump 7 is communicated with the electrolyte tank 5, and a liquid outlet is communicated with the thermostat 8; a liquid inlet of the thermostat 8 is communicated with the circulating pump 7, and a liquid outlet of the thermostat is communicated with an electrolyte inlet of the battery box; the thermostat 8 is electrically connected with the second heat exchanger 9 and is used for controlling the electrolyte to enter the battery box of the metal air battery 1 in a constant temperature mode; the liquid inlet of the second heat exchanger 9 is communicated to the circulating pump 7, and the liquid outlet is communicated to the electrolyte inlet of the battery case.
Along the flowing direction of the electrolyte in the test system, the electrolyte sequentially flows through a circulating pump 7, a second heat exchanger 9, a metal air battery 1, a first heat exchanger 3 and an electrolyte tank 5 and then returns to the circulating pump 7; the first heat exchanger 3 is arranged on the electrolyte circulating pipeline, so that the heat of the electrolyte is transferred to the heat integrating instrument 4, and the heat output of the metal-air battery is measured.
The thermostat 8 is electrically connected with the second heat exchanger 9, and controls the electrolyte flowing through the second heat exchanger 9 to flow into the metal-air battery 1 at a constant temperature, so that the electrochemical performance test and the hydrogen generation quantity of the metal-air battery 1 are ensured to be measured under the constant temperature condition, and the accuracy of the system test is improved.
A load 2 is electrically connected to the metal-air cell 1, said load 2 may be an electronic load or an electrochemical workstation. The load 2 is used for measuring the electric properties such as current, voltage, power and the like emitted in the electrochemical reaction process of the metal-air battery 1 or the anode property of the aluminum plate.
The heat integrating instrument 4 is connected to the cold source circulating pipeline of the first heat exchanger 3 and is used for measuring the heat release of the metal air battery.
The hydrogen gas collector 6 is communicated to the top position of the electrolyte tank 5. The amount of hydrogen generated by the electrochemical side reaction of the metal-air battery 1 is measured and collected by the hydrogen collector 6.
In at least one embodiment, the metal-air battery 1 includes a single cell composed of a cathode sheet and an anode sheet, or a cell stack composed of two or more of the single cells.
According to the testing system, the air supply system 11 is arranged at the position corresponding to the cathode plate of the metal-air battery 1 and used for promoting the supply of oxygen in the reaction process of the metal-air battery 1 and the ventilation and heat dissipation of the metal-air battery 1.
In at least one embodiment, the test system further comprises a water separator 61, the water separator 61 being disposed between the electrolyte tank 5 and the hydrogen collector 6. The steam-water separator 61 reflows liquid carried in the hydrogen to the electrolyte tank 5, and the hydrogen gas is collected in the hydrogen collector 6, so that the accuracy of hydrogen measurement is improved.
As shown in fig. 2 to 4, another aspect of the present invention also provides a testing method of the above metal-air battery 1 testing system, where the testing method includes the following steps:
s1: adding a rated amount of electrolyte into a battery box of the metal-air battery 1, wherein an anode plate and a cathode plate with rated weight and volume in the battery box perform electrochemical discharge reaction under the action of the electrolyte, and outputting electric energy and transmitting the electric energy to a load 2;
s2: when the discharge performance of the metal-air battery 1 is tested, the load 2 is started to discharge, the electrolyte after electrochemical reaction flows to the electrolyte tank 5, the hydrogen collector 6 is started to measure the hydrogen generation amount, the circulating pump 7 and the thermostat 8 are started, and the electrolyte in the electrolyte tank 5 is circulated and returned to the battery box of the metal-air battery 1 so as to keep the temperature of the electrolyte entering the metal-air battery 1 constant; testing various performance indexes of the metal-air battery 1 under the condition of constant temperature; or
When the heat release performance of the metal air battery 1 is tested, the circulating pump 7 is started, the electrolyte in the electrolyte tank 5 passes through the second heat exchanger 9 through the circulating pump 7 and then enters the battery box of the metal air battery 1 at a constant temperature, the electrolyte after electrochemical reaction flows through the first heat exchanger 3 and then is conveyed to the electrolyte tank 5, and the heat release quantity of the battery is measured through the first heat exchanger 3 and the heat integrating instrument 4 connected to the cold source pipeline of the first heat exchanger 3; or
When the anode performance or cathode performance index test is carried out, the inlet temperature of the first heat exchanger 3 is kept as a set value, the thermostat 8 is controlled, the internal temperature of the battery is a constant value, electrochemical reaction is carried out, and the anode or cathode performance, corrosion and hydrogen evolution quantity are evaluated.
Furthermore, the performance of the battery is one or more performance indexes of rated capacity, rated electric energy, power density, anode consumption rate, electrolyte consumption rate, anode corrosion rate, heat productivity and rated hydrogen evolution rate.
As shown in fig. 2, when the test system performs a battery performance test, the metal-air battery 1, the electrolyte tank 5, the circulating pump 7 and the thermostat 8 are sequentially connected to form a circulating pipeline of the electrolyte; controlling the discharge current of the metal-air battery 1 through the load 2 to enable the metal-air battery 1 to discharge for a period of time at a constant current; at this time, the metal-air battery keeps constant working temperature under the action of the thermostat 8, so that the test system can keep testing the battery performance under the set environmental condition, specifically, the battery performance comprises rated capacity, rated electric energy, power density and the like; the metal-air battery 1 in the initial state and the discharge ending state is weighed, and the anode consumption rate, the electrolyte consumption rate, the aluminum electrode utilization rate and other performances of the metal-air battery 1 are calculated; meanwhile, a hydrogen collector 6 connected above the electrolyte tank 5 is opened to collect and measure the amount of hydrogen generated during the discharge process.
Wherein the anode consumption rate refers to the weight of an aluminum electrode consumed by the power generation amount per kilowatt hour under the conditions of rated power, 50 +/-5 ℃ of electrolyte working temperature and rated liquid inlet amount of the single battery, and the unit is g/kWh or kg/kWh; the electrolyte consumption rate refers to the weight of the electrolyte consumed by the power generation amount per kilowatt hour under the conditions of rated power, 50 +/-5 ℃ of electrolyte working temperature and rated liquid inlet amount of the single battery, and the unit kg/kWh. The utilization rate of the aluminum electrode is the ratio of the weight of the aluminum electrode consumed (new electrode-residual electrode weight) to the weight of the new aluminum electrode when the single battery is discharged to the end voltage under the rated working condition. The rated hydrogen evolution rate refers to the amount of hydrogen generated by the single battery under the rated working condition every time the single battery generates 1 degree of electricity, and the unit is g/kWh.
As shown in fig. 3, when the test system performs the heat release performance test of the metal-air battery 1, the first heat exchanger 3, the electrolyte tank 5, the circulating pump 7 and the second heat exchanger 9 are sequentially connected to form a circulating pipeline of the electrolyte; the heat totalizer 4 connected to the cooling circulation line of the first heat exchanger 3 is turned on, and the thermostat 8 electrically connected to the second heat exchanger 9 is turned on. Controlling the discharge current of the metal-air battery 1 through the load 2 to enable the metal-air battery 1 to discharge for a period of time at a constant current under the condition of a constant temperature; at this time, the metal-air battery 1 emits heat to be transferred to the heat integrating instrument 4, so that the measuring system emits heat when working; and meanwhile, the battery performance under the working condition is measured, specifically, the battery performance comprises the battery performance of rated capacity, rated electric energy, power density and the like.
As shown in fig. 4, when the test system performs a battery anode performance or cathode performance test, the metal air battery 1, the electrolyte tank 5, the circulating pump 7 and the second heat exchanger 9 are sequentially connected to form a circulating pipeline of the electrolyte. Keeping the temperature of an inlet of the first heat exchanger 3 as a set value, and controlling the discharge current of the metal-air battery 1 through the load 2 to enable the metal-air battery 1 to discharge for a period of time at a constant current; the hydrogen collector 6 is communicated with the upper part of the electrolyte tank 5 to collect the hydrogen generation amount; at this time, the system circulation pipeline keeps constant working temperature under the action of the thermostat 8, so that the test system can keep performing battery performance test under the set environmental condition, specifically, the metal-air battery 1 in the initial state and the discharge ending state is weighed, and the performances such as the anode consumption rate of the metal-air battery 1 are calculated; further, the anode corrosion rate of the metal-air battery 1 was calculated by measuring the amount of hydrogen gas collected above the electrolyte tank 5.
Aluminum plates with certain weight and size are selected and assembled with cathode sheets to form a metal-air battery single cell for performance test, and the single cells are assembled into a stack monomer for corresponding performance test, and the results are shown in tables 1 to 3 and fig. 5 to 9. Table 1 shows the performance test results of different discharge currents (0-50A) of a single-cell aluminum plate of a metal-air battery under the conditions of 4mol/L KOH solution and constant temperature of 50 ℃, and each discharge current is discharged for 2 hours in a constant current; table 2 shows the results of performance tests of the aluminum plate of the metal-air cell stack at 50A discharge current in 4mol/L KOH solution at a constant temperature of 50 ℃. Battery performances such as rated capacity, rated electric energy, power density and the like of a single battery can be obtained through the test data of tables 1 to 2 and fig. 5 to 9; the consumption of the aluminum anode of the metal-air battery, the utilization rate of the aluminum electrode and other performances can be further calculated; further, the hydrogen evolution rate and/or the anode corrosion rate of the metal-air battery are calculated by measuring the amount of hydrogen gas collected above the electrolyte tank. Table 3 shows heat test data of 3 metal-air battery cells under the constant power discharge condition, and the relationship between the discharge capacity and the heat productivity of the metal-air battery can be obtained from the data in table 3.
TABLE 1
TABLE 2
TABLE 3
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.
Claims (8)
1. A metal-air cell test system, the test system comprising:
the metal-air battery comprises a battery box, and a cathode plate, an anode plate and electrolyte which are accommodated in the battery box;
a load electrically connected to the metal-air battery;
a heat source inlet of the first heat exchanger is communicated with an electrolyte outlet of the battery box, a heat source outlet is communicated with the electrolyte box, and a cold source is communicated with the heat integrating instrument;
an electrolyte tank, wherein a liquid inlet of the electrolyte tank is communicated with the first heat exchanger, and a liquid outlet of the electrolyte tank is connected with the circulating pump;
a circulating pump, the liquid inlet of which is communicated with the electrolyte tank and the liquid outlet of which is communicated with the thermostat; and
and the outlet of the second heat exchanger is communicated with the electrolyte inlet of the battery box, the inlet of the second heat exchanger is communicated with the circulating pump, and the heat source is communicated with the thermostat.
2. The metal-air battery test system of claim 1, further comprising a heat integrator, wherein the heat integrator is connected to the first heat exchanger cold source and is configured to measure the heat generation of the system.
3. The metal-air cell testing system of claim 1, further comprising a thermostat electrically connected to the second heat exchanger for controlling the electrolyte to enter the cell box at a constant temperature.
4. The metal-air cell testing system of claim 1, further comprising a hydrogen gas collector in communication with a top location of the electrolyte tank for collecting hydrogen gas generated during discharge of the metal-air cell.
5. The metal-air cell testing system of claim 1, wherein an air supply system is disposed at a position corresponding to the cathode plate of the metal-air cell for promoting the supply of oxygen during the reaction process of the metal-air cell and the ventilation and heat dissipation of the metal-air cell.
6. The metal-air cell testing system of claim 1, further comprising a water separator disposed between the electrolyte tank and the hydrogen collector.
7. A method of testing a metal-air cell testing system according to any of claims 1-6, comprising the steps of:
s1: adding a rated amount of electrolyte into a battery box of the metal-air battery, wherein an anode plate and a cathode plate with rated weight and volume in the battery box perform electrochemical discharge reaction under the action of the electrolyte, and outputting electric energy and transmitting the electric energy to a load;
s2: when the discharge performance of the metal-air battery is tested, the load is started to discharge, the electrolyte after electrochemical reaction flows to an electrolyte box, a hydrogen collector is started to measure the hydrogen generation amount, a circulating pump and a thermostat are started, and the electrolyte in the electrolyte box is circulated and returned to a battery box of the metal-air battery so as to keep the temperature of the electrolyte entering the metal-air battery constant; testing various performance indexes of the metal-air battery under the condition of constant temperature; or
When the metal air battery heat release performance is tested, a circulating pump is started, electrolyte in an electrolyte tank passes through a second heat exchanger through the circulating pump and then enters a battery box of the metal air battery at a constant temperature, the electrolyte after electrochemical reaction flows through a first heat exchanger and then is conveyed to the electrolyte tank, and the heat release of the battery is measured through the first heat exchanger and a heat integrating instrument connected to a cold source pipeline of the first heat exchanger; or
When the anode performance or cathode performance index test is carried out, the inlet temperature of the first heat exchanger is kept as a set value, the thermostat is controlled, the internal temperature of the battery is a constant value, electrochemical reaction is carried out, and the anode or cathode performance, corrosion and hydrogen evolution quantity are evaluated.
8. The method of claim 7, wherein the performance of the battery is one or more performance indexes selected from a group consisting of a rated capacity, a rated electric energy, a power density, an anode consumption rate, an electrolyte consumption rate, an anode corrosion rate, a heat generation amount, and a rated hydrogen evolution rate.
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| CN114221000A (en) * | 2021-12-06 | 2022-03-22 | 中国人民解放***箭军工程大学 | Aluminum-air battery detection system and control method thereof |
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| CN108110299A (en) * | 2017-12-14 | 2018-06-01 | 中国科学院宁波材料技术与工程研究所 | Metal-air battery device and its temprature control method, metal-air battery system |
| WO2019193281A1 (en) * | 2018-04-03 | 2019-10-10 | Ergosup | Method and device for storing and generating electricity electrochemically from hydrogen gas, kit comprising said device and consumables |
| CN210154642U (en) * | 2019-06-13 | 2020-03-17 | 浙江吉利控股集团有限公司 | Measuring system |
| 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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| CN114221000A (en) * | 2021-12-06 | 2022-03-22 | 中国人民解放***箭军工程大学 | Aluminum-air battery detection system and control method thereof |
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