CN109675859A - It is a kind of for the cleaning method of metal-air battery, system and cleaning solution - Google Patents
It is a kind of for the cleaning method of metal-air battery, system and cleaning solution Download PDFInfo
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- CN109675859A CN109675859A CN201811604286.9A CN201811604286A CN109675859A CN 109675859 A CN109675859 A CN 109675859A CN 201811604286 A CN201811604286 A CN 201811604286A CN 109675859 A CN109675859 A CN 109675859A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a kind of for the cleaning method of metal-air battery, system and cleaning solution, after metal-air battery electric discharge, to control unit feedback discharge end signal；Control unit is in response to the end-of-discharge signal, start cleaning system, the metal-air battery is injected into trigger cleaning system execution for cleaning solution, so that injected cleaning solution is chemically reacted with the entrained electrolyte in metal-air battery, to realize the cleaning operation to metal-air battery.In this way, the present invention passes through the cleaning to entrained electrolyte in metal-air battery after metal-air battery electric discharge terminates, to overcome further reaction dusting of the entrained electrolyte to metal anode, to improve anode utilization rate, increase discharge capacity, the wasting of resources is reduced, system service life is extended.
Description
Technical field
The present invention relates to novel battery protection technique more particularly to a kind of cleaning method for metal-air battery, it is
System and cleaning solution.
Background technique
Metal-air battery, such as the chemical reaction of aluminium-air cell, magnesium air battery and zinc-air battery are similar,
It is mainly anode by cathode, oxygen of high purity metal, using potassium hydroxide (KOH) or sodium hydroxide (NaOH) etc. as electrolyte.
By taking aluminium-air cell as an example, the electrolyte of such as KOH, NaOH etc. are mostly strong alkali solution (abbreviation aqueous alkali), therefore
After aluminium-air cell electric discharge terminates to exhaust aqueous alkali, still suffers from a large amount of aqueous alkali and remain on aluminum alloy anode, the time
Serious corrosion can be caused to aluminium anodes long.The reduction that aluminium anodes fuel availability is caused to the corrosion of aluminium anodes, makes indirectly
At the waste of resource, but also battery system capacity reduces.
Therefore, metal-air battery electric discharge terminate exhaust aqueous alkali after, how to remaining electrolyte handled with
Reduction has become current urgent problem to be solved to the corrosion of metal anode.
Summary of the invention
The embodiment of the present invention creatively provides one kind to overcome the above problem present in existing metal-air battery
For the cleaning method of metal-air battery, system and cleaning solution.
According to a first aspect of the present invention, a kind of cleaning method for metal-air battery is provided, which comprises gold
After belonging to air cell electric discharge, to control unit feedback discharge end signal；Described control unit is tied in response to the electric discharge
Beam signal starts cleaning system；The cleaning system executes the cleaning operation to the metal-air battery；Wherein, described clear
Wash operation include cleaning solution is injected into the metal-air battery so that injected cleaning solution with it is residual in metal-air battery
Electrolyte is stayed to be chemically reacted.
According to an embodiment of the present invention, the cleaning solution includes the first cleaning solution and/or the second cleaning solution；Wherein, institute
Stating the first cleaning solution includes at least one following water-soluble salting liquid: aluminium salt, magnesium salts, molysite；The second cleaning solution packet
Include weakly acidic solution or weakly alkaline solution.
According to an embodiment of the present invention, by the entrained electrolyte in injected cleaning solution and metal-air battery into
Row chemical reaction is come during realizing the wash cycles to the metal-air battery, and the method also includes pH values
(PH) detection module detects the pH value of the entrained electrolyte at the metal-air battery leakage fluid dram, obtains detection knot
Fruit；If the testing result is the first testing result, first testing result is at the metal-air battery leakage fluid dram
The pH value of entrained electrolyte is consistent with the pH value of the cleaning solution or meets PH threshold value, then to described control unit feedback described the
One testing result；Described control unit closes the cleaning system in response to first testing result, to terminate to the gold
Belong to the cleaning operation of air cell.
According to an embodiment of the present invention, by the entrained electrolyte in injected cleaning solution and metal-air battery into
Row chemical reaction come during realizing the wash cycles to the metal-air battery, the method also includes: PH detects mould
Block detects the pH value of the entrained electrolyte at the metal-air battery leakage fluid dram, obtains testing result；If the inspection
Survey result is the second testing result, and second testing result is the entrained electrolyte at the metal-air battery leakage fluid dram
The pH value of pH value and the cleaning solution is inconsistent or exceeds PH threshold value, then to described control unit feedback the second detection knot
Fruit；Described control unit triggers the cleaning system and continues to execute the cleaning operation in response to second testing result.
According to an embodiment of the present invention, the method also includes: in the process that the metal-air battery discharges
In, temperature detecting module detects the temperature of the metal-air battery or electrolyte, obtains testing result；If the inspection
It surveys result and exceeds temperature threshold for the temperature of the metal-air battery or electrolyte, then feed back the inspection to described control unit
Survey result；Described control unit starts cleaning system in response to the testing result；Cleaning solution is discharged into electricity by the cleaning system
Pond cooling system, realized by battery cooling system to the cold of the metal-air battery and/or electrolyte circulation system
But cool down.
According to a second aspect of the present invention, a kind of cleaning system for metal-air battery is also provided, the system comprises:
Metal-air battery is used for after electric discharge, to control unit feedback discharge end signal；Described control unit, for ringing
End-of-discharge signal described in Ying Yu starts cleaning system；The cleaning system, for executing to the clear of the metal-air battery
Wash operation；Wherein, the cleaning operation include cleaning solution is injected into the metal-air battery so that injected cleaning solution with
Entrained electrolyte in metal-air battery is chemically reacted.
According to an embodiment of the present invention, the system also includes PH detection modules, for the metal-air battery
The pH value of entrained electrolyte at leakage fluid dram is detected, and testing result is obtained；If the testing result is the first testing result,
First testing result is the pH value of the entrained electrolyte at the metal-air battery leakage fluid dram and the PH of the cleaning solution
Value is consistent or meets PH threshold value, then feeds back first testing result to described control unit；Described control unit is also used to ring
First testing result described in Ying Yu closes the cleaning system, to terminate the cleaning operation to the metal-air battery.
According to an embodiment of the present invention, the system also includes pH value PH detection modules, for empty to the metal
The pH value of the entrained electrolyte of pneumoelectric Chi Paiyekouchu is detected, and testing result is obtained；If the testing result is the second inspection
It surveys as a result, pH value and the cleaning of second testing result for the entrained electrolyte at the metal-air battery leakage fluid dram
The pH value of liquid is inconsistent or exceeds PH threshold value, then feeds back second testing result to described control unit；Described control unit,
It is also used to trigger the cleaning system in response to second testing result and continue to execute the cleaning operation.
According to an embodiment of the present invention, the system also includes temperature detecting modules, in the metal-air electricity
During pond is discharged, the temperature of the metal-air battery or electrolyte is detected, testing result is obtained；If institute
Stating testing result is the temperature of the metal-air battery or electrolyte beyond temperature threshold, then feeds back institute to described control unit
State testing result；Described control unit is also used to start cleaning system in response to the testing result；The cleaning system, also
For cleaning solution to be discharged into battery cooling system, to be realized by battery cooling system to the metal-air battery and/or
Electrolyte circulation system cools.
According to a third aspect of the present invention, and a kind of cleaning solution for metal-air battery is provided, the cleaning solution includes
First cleaning solution and/or the second cleaning solution；Wherein, when the cleaning solution is the first cleaning solution, the cleaning solution and the gold
The entrained electrolyte belonged in air cell is chemically reacted, to form precipitating；When the cleaning solution is the second cleaning solution, institute
It states the entrained electrolyte in cleaning solution and the metal-air battery and carries out neutralization reaction generation water.
According to an embodiment of the present invention, first cleaning solution includes at least one following water-soluble salting liquid:
Aluminium salt, magnesium salts, molysite；Second cleaning solution includes weakly acidic solution or weakly alkaline solution.
It is according to the present invention for the cleaning method of metal-air battery, system and cleaning solution, in metal-air battery
After electric discharge, to control unit feedback discharge end signal；Control unit is in response to the end-of-discharge signal, starting cleaning
System is injected into the metal-air battery to trigger cleaning system execution for cleaning solution, so that injected cleaning solution and metal
Entrained electrolyte in air cell is chemically reacted, to realize the cleaning operation to metal-air battery.In this way, this hair
It is bright metal-air battery electric discharge terminate after, by the cleaning to entrained electrolyte in metal-air battery, to overcome residual
Further reaction dusting of the electrolyte to metal anode is stayed, to improve anode utilization rate, increases discharge capacity, reduces resource wave
Take, extends system service life.
It is to be appreciated that the teachings of the present invention does not need to realize whole beneficial effects recited above, but it is specific
Technical solution may be implemented specific technical effect, and other embodiments of the invention can also be realized and not mentioned above
Beneficial effect.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, above-mentioned and other mesh of exemplary embodiment of the invention
, feature and advantage will become prone to understand.In the accompanying drawings, if showing by way of example rather than limitation of the invention
Dry embodiment, in which:
In the accompanying drawings, identical or corresponding label indicates identical or corresponding part.
Fig. 1 shows the control system architecture diagram of a metal-air battery of the invention；
Implementation process schematic diagram Fig. 2 shows the embodiment of the present invention for the cleaning method of metal-air battery；
Fig. 3 shows composed structure schematic diagram of the embodiment of the present invention for the cleaning system of metal-air battery.
Specific embodiment
The principle and spirit of the invention are described below with reference to several illustrative embodiments.It should be appreciated that providing this
A little embodiments are only to be to make those skilled in the art can better understand that realize the present invention in turn, and not with any side
Formula limits the scope of the invention.On the contrary, it is of the invention more thorough and complete to make for providing these embodiments, and it can incite somebody to action this
The range of invention is completely communicated to those skilled in the art.
The technical solution of the present invention is further elaborated in the following with reference to the drawings and specific embodiments.
Fig. 1 shows the control system architecture diagram of a metal-air battery of the invention.
With reference to Fig. 1, by taking aluminium-air cell as an example, the control system of aluminium-air cell of the present invention mainly includes the first control list
First 101, external power control unit 102, electrolyte circulation system 103, aluminium-air cell 104, battery cooling system 105, temperature
Detection module 106, the second control unit 107, third control unit 108, cleaning system 109, the 4th control unit 110 and PH inspection
Survey module 111.
In specific control, first by starting 102 input signal of external power control unit to first control unit 101,
First control unit 101 triggers electrolyte circulation system 103 and starts to work, and electrolyte is injected into aluminium-air cell 104.Aluminium is empty
After pneumoelectric pond 104 works, signal is input to external power control unit 102, is stopped working with triggering external power control unit 102；
Electrolyte circulation system 103 provides power supply by aluminium-air cell 104 at this time.
Then, it in 104 course of work of aluminium-air cell, generates heat because of electric discharge, when aluminium-air cell 104 or electrolyte temperature
Degree exceeds temperature threshold, is such as higher than 45 DEG C (overheating), and temperature detecting module 106 transmits signals to third control unit 108,
Third control unit 108 starts cleaning system 109 according to signal designation, and cleaning solution is discharged into battery cooling system by cleaning system 109
System 105, battery cooling system 105 acts on aluminium-air cell 104 and/or electrolyte circulation system 103 at this time, to play cold
But cooling effect.
Further, after aluminium-air cell 104 works, electrolyte circulation system 103 is not due to having power supply power supply
And it stops working.At this point, itself work end signal is sent to the second control unit 107, the second control by aluminium-air cell 104
Unit 107 starts cleaning system 109, and cleaning solution is injected into aluminium-air cell 104 by circulating pump and followed by cleaning system 109
Ring cleaning.
It, can be by PH detection module 111 to residual at 104 leakage fluid dram of aluminium-air cell during carrying out wash cycles
The PH of electrolyte is stayed to be detected, when the PH of entrained electrolyte is close to cleaning solution PH or about 7 at leakage fluid dram, PH detects mould
PH signal is reached the 4th control unit 110 by block 111, and the 4th control unit 110 can close cleaning system 109, to terminate to follow
Ring cleaning operation；As PH > 8, PH signal is reached cleaning system 109 by PH detection module 111, and cleaning system 109 works on,
Until detecting that PH meets cleaning requirement.
Implementation process schematic diagram Fig. 2 shows the embodiment of the present invention for the cleaning method of metal-air battery.
With reference to Fig. 2, the embodiment of the present invention includes: operation 201, metal-air electricity for the cleaning method of metal-air battery
After tank discharge, to control unit feedback discharge end signal；Operation 202, control unit terminate to believe in response to the electric discharge
Number, start cleaning system；Operation 203, cleaning system execute the cleaning operation to metal-air battery；Wherein, the cleaning behaviour
Work includes that cleaning solution is injected into metal-air battery, so that the entrained electrolyte in injected cleaning solution and metal-air battery
It is chemically reacted.
Here, cleaning solution includes the first cleaning solution and/or the second cleaning solution.
Wherein, first cleaning solution may include at least one following water-soluble salting liquid: aluminium salt, magnesium salts, iron
Salt；The aluminium salt can be aluminum sulfate, aluminium chloride, aluminum acetate, aluminum phosphate, aluminum nitrate, 12 hydrazine aluminum sulfate potassium and inclined aluminium
Any water-soluble aluminium salt such as hydrochlorate；The magnesium salts can be magnesium sulfate, magnesium chloride, magnesium phosphate, and magnesium nitrate etc. is any solvable
In the magnesium salts of water；The molysite can be all kinds of water-soluble divalent iron salts or trivalent iron salt.In specific chemical reaction process
In, the first cleaning solution enables to the OH in entrained electrolyte-It is reacted away in the form of precipitating.For example, when selection can
When forming the salting liquid of precipitating with hydroxyl, AlCl3And MgCl2Equal solution are exactly ideal selection, soluble aluminium salt and magnesium salts
It can generate and precipitate with hydroxyl, such as Al (OH)3With Mg (OH)2, to realize the recycling of salting liquid by filtering, efficiently
It saves to overcome the corrosion to aluminium anodes.
Second cleaning solution includes weakly acidic solution or weakly alkaline solution.Wherein, weakly acidic solution can be acetic acid, weak
Alkaline solution can be bicarbonate；The bicarbonate can be sodium bicarbonate, saleratus etc..It was chemically reacted specifically
Cheng Zhong, the OH in entrained electrolyte-Water can be generated by acid solution neutralization reaction.It should be added that with aluminium sky
For pneumoelectric pond, since aluminium has both sexes characteristic, both reacted with alkaline reaction or in acid, although with feasible with principle in acid solution,
But in cleaning process in and OH-While, aluminium is also reacted with acid, and unnecessary corrosion is equally caused.Therefore, it
The dosage of the second cleaning solution of strict control (pickling solution can also be claimed), while it being also contemplated that anticathode destruction, cathode is mostly used dioxy
Change Mn catalyst, strong acid is necessarily not all right, and the vinegar pickle after dilution protects aluminium anodes under the case where losing anode on a small quantity.
In this way, the present invention metal-air battery electric discharge terminate after, by entrained electrolyte in metal-air battery
Cleaning, to overcome further reaction dusting of the entrained electrolyte to metal anode, to improve anode utilization rate, increase is put
Electricity reduces the wasting of resources, extends system service life.
According to an embodiment of the present invention, during operating 203, the method also includes: PH detection module is to gold
The pH value for belonging to the entrained electrolyte at air cell leakage fluid dram is detected, and testing result is obtained；If the testing result is the
One testing result, pH value and the cleaning of first testing result for the entrained electrolyte at metal-air battery leakage fluid dram
The pH value of liquid is consistent or meets PH threshold value, then feeds back first testing result to control unit；Control unit is in response to described
First testing result closes cleaning system, to terminate the cleaning operation to metal-air battery.
It in one example, can be by PH detection module 111 to aluminium as shown in Figure 1, during carrying out wash cycles
The PH of entrained electrolyte is detected at 104 leakage fluid dram of air cell, and the PH of entrained electrolyte is close to cleaning solution at leakage fluid dram
When PH or about 7, PH signal is reached the 4th control unit 110 by PH detection module 111, and the 4th control unit 110 can close
Cleaning system 109, thus end loop cleaning operation.
According to an embodiment of the present invention, during operating 203, the method also includes: PH detection module is to gold
The pH value for belonging to the entrained electrolyte at air cell leakage fluid dram is detected, and testing result is obtained；If the testing result is the
Two testing results, second testing result are the pH value and cleaning solution of the entrained electrolyte at metal-air battery leakage fluid dram
PH value is inconsistent or exceeds PH threshold value, then feeds back second testing result to control unit；Control unit is in response to described
Two testing results, triggering cleaning system continue to execute the cleaning operation.
It in one example, can be by PH detection module 111 to aluminium as shown in Figure 1, during carrying out wash cycles
The PH of entrained electrolyte is detected at 104 leakage fluid dram of air cell, and as PH > 8, PH detection module 111 reaches PH signal
Cleaning system 109, cleaning system 109 work on, until detecting that PH meets cleaning requirement.
According to an embodiment of the present invention, during metal-air battery is discharged, temperature detecting module is to gold
The temperature for belonging to air cell or electrolyte is detected, and testing result is obtained；If the testing result be metal-air battery or
The temperature of electrolyte exceeds temperature threshold, then feeds back the testing result to control unit；Control unit is in response to the detection
As a result, starting cleaning system；Cleaning solution is discharged into battery cooling system by cleaning system, to be realized by battery cooling system pair
Metal-air battery and/or electrolyte circulation system cool.
In one example, as shown in Figure 1, generating heat because of electric discharge in 104 course of work of aluminium-air cell, working as aluminium air
Battery 104 or electrolyte temperature exceed temperature threshold, are such as higher than 45 DEG C (overheating), temperature detecting module 106 transmits signal
To third control unit 108, third control unit 108 starts cleaning system 109 according to signal designation, and cleaning system 109 will be clear
Washing lotion is discharged into battery cooling system 105, and battery cooling system 105 acts on aluminium-air cell 104 and/or electrolyte circulation at this time
System 103, to play the role of cooling.
Further, based on the cleaning method described above for metal-air battery, the embodiment of the present invention also provides one
Kind is used for the cleaning system of metal-air battery, as shown in figure 3, the system 30 includes metal-air battery 31, control unit
32 and cleaning system 33.Wherein, metal-air battery 31 is used for after electric discharge, terminates letter to 32 feedback discharge of control unit
Number；Control unit 32, for starting cleaning system 33 in response to the end-of-discharge signal；Cleaning system 33, for execution pair
The cleaning operation of metal-air battery 31；Wherein, the cleaning operation includes that cleaning solution is injected into metal-air battery 31, with
Chemically react injected cleaning solution with the entrained electrolyte in metal-air battery 31.
According to an embodiment of the present invention, as shown in figure 3, the system 30 further include: PH detection module 34, for gold
The pH value for belonging to the entrained electrolyte at 31 leakage fluid dram of air cell is detected, and testing result is obtained；If the testing result is
First testing result, first testing result be 31 leakage fluid dram of metal-air battery at entrained electrolyte pH value with it is described
The pH value of cleaning solution is consistent or meets PH threshold value, then feeds back first testing result to control unit 32；Control unit 32, also
For closing cleaning system 33 in response to first testing result, to terminate the cleaning operation to metal-air battery 31.
According to an embodiment of the present invention, as shown in figure 3, the system 30 further include: PH detection module 34, for gold
The pH value for belonging to the entrained electrolyte at 31 leakage fluid dram of air cell is detected, and testing result is obtained；If the testing result is
Second testing result, second testing result be 31 leakage fluid dram of metal-air battery at entrained electrolyte pH value with it is described
The pH value of cleaning solution is inconsistent or exceeds PH threshold value, then feeds back second testing result to control unit 32；Control unit 32,
It is also used to trigger cleaning system 33 in response to second testing result and continue to execute the cleaning operation.
According to an embodiment of the present invention, as shown in figure 3, the system 30 further include: temperature detecting module 35 is used for
During metal-air battery 31 is discharged, the temperature of metal-air battery 31 or electrolyte is detected, is examined
Survey result；If the testing result exceeds temperature threshold for the temperature of metal-air battery 31 or electrolyte, to control unit
The 32 feedback testing results；Control unit 32 is also used to start cleaning system 33 in response to the testing result；Cleaning system
System 33, is also used to cleaning solution being discharged into battery cooling system, realized by battery cooling system to the metal-air electricity
Pond and/or electrolyte circulation system cool.
It need to be noted that: the description of the above cleaning system embodiment for metal-air battery, with earlier figures 2
Shown in embodiment of the method description be it is similar, there is the similar beneficial effect with aforementioned embodiment of the method shown in Fig. 2, because
This is not repeated them here.For the present invention for undisclosed technical detail in the cleaning system embodiment of metal-air battery, please join
According to the aforementioned embodiment of the method shown in Fig. 2 of the present invention description and understand, to save length, therefore repeat no more.
Based on the cleaning method and system described above for metal-air battery, the present invention provides a kind of for metal again
The cleaning solution of air cell, the cleaning solution include the first cleaning solution and/or the second cleaning solution；Wherein, when the cleaning solution is
When the first cleaning solution, the cleaning solution is chemically reacted with the entrained electrolyte in the metal-air battery, heavy to be formed
It forms sediment；When the cleaning solution is the second cleaning solution, the entrained electrolyte in the cleaning solution and the metal-air battery is carried out
Neutralization reaction generates water.
Wherein, first cleaning solution includes at least one following water-soluble salting liquid: aluminium salt, magnesium salts, molysite；Institute
Stating the second cleaning solution includes weakly acidic solution or weakly alkaline solution.
First cleaning solution may include at least one following water-soluble salting liquid: aluminium salt, magnesium salts, molysite；Institute
Stating aluminium salt can be aluminum sulfate, aluminium chloride, aluminum acetate, aluminum phosphate, aluminum nitrate, 12 hydrazine aluminum sulfate potassium and meta-aluminate etc.
Any water-soluble aluminium salt；The magnesium salts can be magnesium sulfate, magnesium chloride, magnesium phosphate, and magnesium nitrate etc. is any water-soluble
Magnesium salts；The molysite can be all kinds of water-soluble divalent iron salts or trivalent iron salt.In specific chemical reaction process, first
Cleaning solution enables to the OH in entrained electrolyte-It is reacted away in the form of precipitating.For example, when selection can be with hydroxyl
When forming the salting liquid of precipitating, AlCl3And MgCl2Equal solution are exactly ideal selection, and soluble aluminium salt and magnesium salts can be with hydrogen
Oxygen root generates precipitating, such as Al (OH)3With Mg (OH)2, to realize the recycling of salting liquid by filtering, efficient economizing to
Overcome the corrosion to aluminium anodes.
Second cleaning solution may include weakly acidic solution or weakly alkaline solution.Wherein, weakly acidic solution can be vinegar
Acid, weakly alkaline solution can be bicarbonate；The bicarbonate can be sodium bicarbonate, saleratus etc..In specific chemistry
OH in reaction process, in entrained electrolyte-Water can be generated by acid solution neutralization reaction.It should be added that
By taking aluminium-air cell as an example, since aluminium has both sexes characteristic, both reacted with alkaline reaction or in acid, although in acid solution and principle
It is feasible, but in cleaning process in and OH-While, aluminium is also reacted with acid, and unnecessary corrosion is equally caused.Cause
This wants the dosage of the second cleaning solution of strict control (can also claim pickling solution), while being also contemplated that anticathode destruction, and cathode is multi-purpose
Manganese dioxide-catalyst, strong acid is necessarily not all right, the protection aluminium sun under the case where losing anode on a small quantity of the vinegar pickle after dilution
Pole.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.Apparatus embodiments described above are merely indicative, for example, the division of the unit, only
A kind of logical function partition, there may be another division manner in actual implementation, such as: multiple units or components can combine, or
It is desirably integrated into another system, or some features can be ignored or not executed.In addition, shown or discussed each composition portion
Mutual coupling or direct-coupling or communication connection is divided to can be through some interfaces, the INDIRECT COUPLING of equipment or unit
Or communication connection, it can be electrical, mechanical or other forms.
Above-mentioned unit as illustrated by the separation member, which can be or may not be, to be physically separated, aobvious as unit
The component shown can be or may not be physical unit；Both it can be located in one place, and may be distributed over multiple network lists
In member；Some or all of units can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
In addition, each functional unit in various embodiments of the present invention can be fully integrated in one processing unit, it can also
To be each unit individually as a unit, can also be integrated in one unit with two or more units；It is above-mentioned
Integrated unit both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can store in computer-readable storage medium, which exists
When execution, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: movable storage device, read-only deposits
The various media that can store program code such as reservoir (Read Only Memory, ROM), magnetic or disk.
If alternatively, the above-mentioned integrated unit of the present invention is realized in the form of software function module and as independent product
When selling or using, it also can store in a computer readable storage medium.Based on this understanding, the present invention is implemented
Substantially the part that contributes to existing technology can be embodied in the form of software products the technical solution of example in other words,
The computer software product is stored in a storage medium, including some instructions are used so that computer equipment (can be with
It is personal computer, server or network equipment etc.) execute all or part of each embodiment the method for the present invention.
And storage medium above-mentioned includes: various Jie that can store program code such as movable storage device, ROM, magnetic or disk
Matter.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of cleaning method for metal-air battery, which is characterized in that the described method includes:
After metal-air battery discharges, to control unit feedback discharge end signal；
Described control unit starts cleaning system in response to the end-of-discharge signal；
The cleaning system executes the cleaning operation to the metal-air battery；Wherein, the cleaning operation includes that will clean
Liquid is injected into the metal-air battery, so that the entrained electrolyte in injected cleaning solution and metal-air battery carries out chemistry
Reaction.
2. the method according to claim 1, wherein the cleaning solution includes that the first cleaning solution and/or second are clear
Washing lotion；Wherein,
First cleaning solution includes at least one following water-soluble salting liquid: aluminium salt, magnesium salts, molysite；Described second is clear
Washing lotion includes weakly acidic solution or weakly alkaline solution.
3. the method according to claim 1, wherein in through injected cleaning solution and metal-air battery
Entrained electrolyte is chemically reacted come during realizing the wash cycles to the metal-air battery, the method is also wrapped
It includes:
PH value PH detection module detects the pH value of the entrained electrolyte at the metal-air battery leakage fluid dram, obtains
Testing result；
If the testing result is the first testing result, first testing result is at the metal-air battery leakage fluid dram
The pH value of entrained electrolyte is consistent with the pH value of the cleaning solution or meets PH threshold value, then to described control unit feedback described the
One testing result；
Described control unit closes the cleaning system in response to first testing result, to terminate to the metal-air
The cleaning operation of battery.
4. the method according to claim 1, wherein in through injected cleaning solution and metal-air battery
Entrained electrolyte is chemically reacted come during realizing the wash cycles to the metal-air battery, the method is also wrapped
It includes:
PH value PH detection module detects the pH value of the entrained electrolyte at the metal-air battery leakage fluid dram, obtains
Testing result；
If the testing result is the second testing result, second testing result is at the metal-air battery leakage fluid dram
The pH value of the pH value of entrained electrolyte and the cleaning solution is inconsistent or exceeds PH threshold value, then to described in described control unit feedback
Second testing result；
Described control unit triggers the cleaning system and continues to execute the cleaning operation in response to second testing result.
5. the method according to claim 1, wherein the method also includes:
During the metal-air battery is discharged, temperature detecting module is to the metal-air battery or electrolyte
Temperature detected, obtain testing result；
If the testing result exceeds temperature threshold for the temperature of the metal-air battery or electrolyte, single to the control
Member feeds back the testing result；
Described control unit starts cleaning system in response to the testing result；
Cleaning solution is discharged into battery cooling system by the cleaning system, empty to the metal to be realized by battery cooling system
Pneumoelectric pond and/or electrolyte circulation system cool.
6. a kind of cleaning system for metal-air battery, which is characterized in that the system comprises:
Metal-air battery is used for after electric discharge, to control unit feedback discharge end signal；
Described control unit, for starting cleaning system in response to the end-of-discharge signal；
The cleaning system, for executing the cleaning operation to the metal-air battery；Wherein, the cleaning operation includes inciting somebody to action
Cleaning solution is injected into the metal-air battery, so that the entrained electrolyte in injected cleaning solution and metal-air battery carries out
Chemical reaction.
7. system according to claim 6, which is characterized in that the system also includes:
PH value PH detection module is examined for the pH value to the entrained electrolyte at the metal-air battery leakage fluid dram
It surveys, obtains testing result；If the testing result is the first testing result, first testing result is the metal-air electricity
The pH value of the entrained electrolyte of Chi Paiyekouchu is consistent with the pH value of the cleaning solution or meets PH threshold value, then single to the control
Member feeds back first testing result；
Described control unit is also used to close the cleaning system in response to first testing result, to terminate to the gold
Belong to the cleaning operation of air cell.
8. system according to claim 6, which is characterized in that the system also includes:
PH value PH detection module is examined for the pH value to the entrained electrolyte at the metal-air battery leakage fluid dram
It surveys, obtains testing result；If the testing result is the second testing result, second testing result is the metal-air electricity
The pH value of the pH value of the entrained electrolyte of Chi Paiyekouchu and the cleaning solution is inconsistent or exceeds PH threshold value, then to the control
Unit feeds back second testing result；
Described control unit, is also used in response to second testing result, trigger the cleaning system continue to execute it is described clear
Wash operation.
9. a kind of cleaning solution for metal-air battery, which is characterized in that the cleaning solution includes the first cleaning solution and/or the
Two cleaning solutions；
Wherein, when the cleaning solution is the first cleaning solution, the residual in the cleaning solution and the metal-air battery is electrolysed
Liquid is chemically reacted, to form precipitating；When the cleaning solution is the second cleaning solution, the cleaning solution and the metal-air
Entrained electrolyte in battery carries out neutralization reaction and generates water.
10. cleaning solution according to claim 1, which is characterized in that first cleaning solution includes following water-soluble
At least one salting liquid: aluminium salt, magnesium salts, molysite；Second cleaning solution includes weakly acidic solution or weakly alkaline solution.
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| CN115582358A (en) * | 2022-10-14 | 2023-01-10 | 湖北亿纬动力有限公司 | Cleaning method for battery formation suction nozzle |
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| CN109675859B (en) | 2021-03-02 |
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