CN208690462U - Evade the system that metal air fuel cell shuts down corrosion - Google Patents

Evade the system that metal air fuel cell shuts down corrosion Download PDF

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Publication number
CN208690462U
CN208690462U CN201821432143.XU CN201821432143U CN208690462U CN 208690462 U CN208690462 U CN 208690462U CN 201821432143 U CN201821432143 U CN 201821432143U CN 208690462 U CN208690462 U CN 208690462U
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China
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electrolyte
protection liquid
entrance
outlet
storage device
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CN201821432143.XU
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Chinese (zh)
Inventor
裴普成
黄尚尉
陈东方
吴子尧
任棚
贾肖宁
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Tsinghua University
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Tsinghua University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses evade metal air fuel cell to shut down the system corroded; system includes: battery cavities; spaced apart air cathode and metal negative electrode are equipped in battery cavities, battery cavities have the first electrolyte entrance, the first protection liquid entrance, the first electrolyte outlet and the first protection liquid outlet;Electrolyte storage device, electrolyte storage device have the second electrolyte entrance and the second electrolyte outlet, and the second electrolyte entrance is connected with the first electrolyte outlet, and the second electrolyte outlet is connected with the first electrolyte entrance;Liquid storage device is protected, protection liquid storage device has the second protection liquid entrance and the second protection liquid outlet, and the second protection liquid entrance is connected with the first protection liquid outlet, and the second protection liquid outlet is connected with the first protection liquid entrance.This system obviates the self-corrosions of metal air fuel cell metal negative electrode under shutdown status, at the same can free switching battery work-shutdown status, significantly improve the service life of metal air fuel cell.

Description

Evade the system that metal air fuel cell shuts down corrosion
Technical field
The utility model belongs to the physical chemistry technical field that metal air fuel cell parks management, specifically, this Utility model is related to evading the system that metal air fuel cell shuts down corrosion.
Background technique
Metal air fuel cell is a kind of that metal (or alloy) and the chemical energy of oxidant itself is anti-by electrochemistry It should be converted into the energy conversion device of electric energy, reaction carries out in the electrolyte.When work, the metal of cathode loses electronics and enters electricity Xie Zhizhong, electronics is by external circuit to air cathode, and the oxygen in air obtains electronics on air electrode and enters electrolyte, instead Product is answered to be generally metal oxide.Electrolyte mainly has aqueous electrolyte, organic bath, gel electrolyte and ionic liquid Body.The most commonly used is aqueous electrolytes, low in cost, high reliablity, no pollution to the environment.
The dynamic property of electrochemical reaction is not only related with the activity of catalyst, also and electrode surface and electrolyte conditions it is close It is related.General metal air fuel cell is made of metal negative electrode, electrolyte, air cathode, due to metal negative electrode and electricity Solution matter is permanently connected to, and gas-evolving electrodes is easy to happen, especially under shutdown status.This corrosion reaction can accumulate big in inside battery Calorimetric amount, the hydrogen of release cannot such as be smoothly discharged, and will assemble in inside battery.Cell internal pressure increases rapidly, to battery Active material, structure feature have serious destruction.In different electrolyte systems, the corrosion rate of metal negative electrode is not identical, But it is more stable in the ionic liquid and organic bath with Width funtion stability, but this electrolytelike material cost Higher, conductivity is lower.In the neutral salt solution or alkaline solution of water-based system, the corrosion rate of metal negative electrode is larger.Especially It is the metal negative electrode and alkaline electrolyte using porous particle, and the temperature of inside battery is even more than under shutdown status 100 DEG C, there is serious destruction to entire battery system.And in the solid-liquid two-phase interface of electrode and electrolyte, this corrosion reaction It is objective reality, it is difficult to directly control its reaction.Therefore, electrolyte is effectively isolated to the corrosiveness of electrode for maintaining gold The normal work for belonging to air-fuel battery is most important.
The corrosion for controlling metal negative electrode mainly has addition two methods of corrosion inhibiter, treatment of electrode surfaces.Add in the electrolyte Add suitable corrosion inhibiter, can effectively inhibit the self-corrosion of metal negative electrode under shutdown status to react, however this method will affect work shape The electrochemical properties of battery under state;Electrode surface processing method can preferably take into account the electrochemical properties of the inhibition and work parked, But its processing means is complicated, to the higher cost of Electrode treatment.In metal air fuel cell electrolyte, need to consider whole The stabilization of fluid fuel cell operating conditions and the sensitivity of operation, to be able to achieve the quick response of battery system.
To solve the problems, such as that metal negative electrode shuts down corrosion in metal air fuel cell, existing one kind is by aqueous electricity The method that Xie Zhizhong adds organic or inorganic additive, such as acetate, glycine, L-serine, additive efficient absorption in Electrode surface improves the electrode surface characteristic under shutdown status, greatly reduces corrosion rate, while this technically simple easy Row, but under actual operating conditions, the biography of electrode has been significantly greatly increased in the progress of electrode surface reaction of corrosion inhibiter strong influence Lotus impedance.
Existing, the existing technology for evading metal air fuel cell shutdown corrosion is further improved.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality It is to propose a kind of system evaded metal air fuel cell and shut down corrosion with a novel purpose.This system obviates gold Belong to air-fuel battery metal negative electrode under shutdown status self-corrosion, while can free switching battery work-shutdown status, Significantly improve the utilization rate of metal negative electrode and the service life of metal air fuel cell.
In the one aspect of the utility model, evades metal air fuel cell the utility model proposes one kind and shut down corruption The system of erosion, embodiment according to the present utility model, the system include:
Battery cavities, the battery cavities are interior to be equipped with spaced apart air cathode and metal negative electrode, and the battery cavities have There are the first electrolyte entrance, the first protection liquid entrance, the first electrolyte outlet and the first protection liquid outlet;
Electrolyte storage device, the electrolyte storage device have the second electrolyte entrance and the second electrolyte outlet, Second electrolyte entrance is connected with first electrolyte outlet, second electrolyte outlet and first electrolyte Entrance is connected;
Liquid storage device is protected, the protection liquid storage device has the second protection liquid entrance and the second protection liquid outlet, The second protection liquid entrance is connected with the first protection liquid outlet, the second protection liquid outlet and the first protection liquid Entrance is connected.
According to the system evaded metal air fuel cell and shut down corrosion of the utility model embodiment, electrolyte storage dress The setting for setting and protecting liquid storage device is conducive to provide electrolyte and protection liquid for battery cavities, so that battery is working and stopping Machine state free switching.Before battery work, the protection liquid in battery cavities is put to protection liquid storage device, and electrolyte is stored Electrolyte in device is delivered in battery cavities, and it is anti-that metal negative electrode and air cathode carry out electrochemistry under the action of electrolyte It answers, supplying power for outside, protection liquid will not influence the reaction in battery cavities;After to be discharged, by the electrolyte in battery cavities put to Electrolyte storage device, while the protection liquid in liquid storage device will be protected to send to battery cavities, electrolyte can be isolated in protection liquid With metal negative electrode.So repeatedly, the recycling to electrolyte and protection liquid can be realized in circulation, and can evade metal-air combustion The shutdown corrosion for expecting battery realizes that battery works-park the free switchings of two states, improves the utilization rate and gold of metal negative electrode Belong to the service life of air-fuel battery, at the same protect liquid and electrolyte can long term storage use, be independent of each other mutual property, Prevent the thermal runaway hidden danger under parked state, cell reaction will not be influenced, and does not generate additional row in the whole process Object is put, it is environmentally friendly.
In addition, the system that metal air fuel cell shuts down corrosion of evading according to the utility model above-described embodiment may be used also To have following additional technical characteristic:
Optional, the above-mentioned system for evading metal air fuel cell shutdown corrosion further comprises: electrolyte pump, described Electrolyte pump is connected with second electrolyte outlet and first electrolyte entrance.Be conducive to as a result, improve electrolyte from Transfer efficiency of the electrolyte storage device to battery cavities.
Optional, the above-mentioned system for evading metal air fuel cell shutdown corrosion further comprises: protection liquid pump, described Protection liquid pump is connected with the second protection liquid outlet and the first protection liquid entrance.Be conducive to as a result, improve protection liquid from Protect liquid storage device to the transfer efficiency of battery cavities.
Optional, first electrolyte entrance and the first protection liquid entrance are located at the top of the battery cavities End, first electrolyte outlet and the first protection liquid outlet are located at the bottom end of the battery cavities.Be conducive to as a result, Reduce system energy consumption.
Optional, the electrolyte storage device and the protection liquid storage device are located under the battery cavities Side.System energy consumption can be further decreased as a result,.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:
Fig. 1 is the system structure evaded metal air fuel cell and shut down corrosion according to the utility model one embodiment Schematic diagram;
Fig. 2 is the system knot evaded metal air fuel cell and shut down corrosion according to the utility model further embodiment Structure schematic diagram;
Fig. 3 is the system knot evaded metal air fuel cell and shut down corrosion according to another embodiment of the utility model Structure schematic diagram;
Fig. 4 is to evade the system that metal air fuel cell shuts down corrosion according to the use of the utility model one embodiment Implement to evade the method flow schematic diagram that metal air fuel cell shuts down corrosion.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be Mechanical connection, is also possible to be electrically connected;It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the one aspect of the utility model, evades metal air fuel cell the utility model proposes one kind and shut down corruption The system of erosion, embodiment according to the present utility model, with reference to Fig. 1, which includes: battery cavities 100, electrolyte storage device 200 and protection liquid storage device 300.
Embodiment according to the present utility model, battery cavities 100 are interior to be equipped with spaced apart air cathode 11 and metal negative electrode 12, and battery cavities 100 have the first electrolyte entrance 101, first protection liquid entrance 102, the first electrolyte outlet 103 and the One protection liquid outlet 104, and it is suitable for containing or laying down electrolyte or protection liquid.Specifically, can be to by the first electrolyte entrance It is passed through electrolyte in battery cavities, in order to which metal negative electrode and air cathode react in battery cavities, battery is made to be in work shape State.Battery cavities can be discharged in the electrolyte in battery cavities by the first electrolyte outlet, battery is made to be in shutdown status.Pass through One protection liquid entrance can be passed through metal negative electrode of the protection liquid protection under shutdown status into battery cavities, meanwhile, the protection liquid It will not react, will not be reacted with metal negative electrode with electrolyte, thus can avoid metal air fuel cell and occur to shut down corrosion, The thermal runaway hidden danger under shutdown status is prevented.By first protection liquid outlet the protection liquid in battery cavities can be discharged, with for Working condition is prepared next time.In entire cyclic process, electrolyte and protection liquid can long term storage use, and each other not Can influence each other mutual property, will not also generate additional emission, significantly improve the utilization rate and metal of metal negative electrode The service life of air-fuel battery.
One embodiment according to the present utility model, the first electrolyte entrance 101 and the first protection liquid entrance 102 distinguish position In the top of battery cavities 100, the first electrolyte outlet 103 and the first protection liquid export 104 bottoms for being located at battery cavities 100 End.The energy consumption for being passed through electrolyte in battery cavities or protecting liquid is advantageously reduced as a result, while can make full use of gravity, It realizes battery cavities electrolyte inside or protects the outlet of liquid, reduce the electrolyte in outlet battery cavities or protect the energy consumption of liquid.
Further embodiment according to the present utility model, electrolyte can be ammonium chloride solution, sodium chloride solution, potassium chloride Solution or caustic solution.
Another embodiment according to the present utility model, metal negative electrode can be zinc load, magnesium cathode or aluminum honeycomb.By This, can form metal air fuel cell.
Another embodiment according to the present utility model, protection liquid can be ethyl alcohol, ethylene glycol, ether, acetone or the third three Alcohol.Inventors have found that above-mentioned protection liquid will not react with metal negative electrode, it will not react with electrolyte, as a result, may be used It avoids metal negative electrode that liberation of hydrogen self-corrosion occurs under battery shutdown status by above-mentioned protection liquid, evades metal air fuel cell Shutdown corrosion, simultaneously because its property that will not influence electrolyte, so may make the electrolyte being passed through in battery cavities and guarantor Shield liquid can move in circles use, significantly reduce process energy consumption.
Another embodiment according to the present utility model, metal negative electrode are immersed in protection liquid.Thus, it can be achieved that metal Comprehensive protection of cathode avoids metal negative electrode from continuing under shutdown status anti-with the electrolyte on metal negative electrode surface generation liberation of hydrogen It answers, has prevented the thermal runaway hidden danger under shutdown status.
Embodiment according to the present utility model, electrolyte storage device 200 have the second electrolyte entrance 201 and the second electricity Liquid outlet 202 is solved, the second electrolyte entrance 201 is connected with the first electrolyte outlet 103, the second electrolyte outlet 202 and first Electrolyte entrance 101 is connected, and is suitable for battery cavities and provides electrolyte or store electrolyte for battery cavities.Specifically, working as battery When work, electrolyte is sent from electrolyte storage device to battery cavities, after battery stops working, by the electrolysis in battery cavities Liquid is put to storing for future use in electrolyte storage device.Thus, it can be achieved that electrolyte recycles, the energy consumption of system is reduced.It needs It is noted that the position of electrolyte storage device is not particularly restricted, those skilled in the art can be according to actual needs It is selected, such as the lower section of battery cavities can be located at, can realize that electrolyte is sent from battery cavities to electricity by gravity as a result, Solve liquid storage device, it is not necessary to by extraneous external force, further decrease the energy consumption of this technique.
There is the second protection liquid entrance 301 and second to protect for embodiment according to the present utility model, protection liquid storage device 300 Liquid outlet 302 is protected, the second protection liquid entrance 301 is connected with the first protection liquid outlet 104, the second protection liquid outlet 302 and first It protects liquid entrance 102 to be connected, and is suitable for battery cavities and provides protection liquid or for battery cavities protection liquid for storage.Specifically, working as battery When shutdown, protection liquid is sent from protection liquid storage device to battery cavities, before battery functions, by the protection in battery cavities Liquid put to protection liquid storage device in store for future use.Thus, it can be achieved that recycling for protection liquid, reduces the energy consumption of system.It needs It is noted that the position of protection liquid storage device is not particularly restricted, those skilled in the art can be according to actual needs It is selected, such as the lower section of battery cavities can be located at, can realize that protection liquid is sent from battery cavities to guarantor by gravity as a result, Protect liquid storage device, it is not necessary to by extraneous external force, further decrease the energy consumption of this technique.
According to the system evaded metal air fuel cell and shut down corrosion of the utility model embodiment, electrolyte storage dress The setting for setting and protecting liquid storage device is conducive to provide electrolyte and protection liquid for battery cavities, so that battery is working and stopping Machine state free switching.Before battery work, the protection liquid in battery cavities is put to protection liquid storage device, and electrolyte is stored Electrolyte in device is delivered in battery cavities, and metal negative electrode and air cathode react under the action of electrolyte, protection Liquid will not influence the reaction in battery cavities;To after reaction, the electrolyte in battery cavities is put to electrolyte storage device, together When will protect liquid storage device in protection liquid send to battery cavities, protection liquid electrolyte and metal negative electrode can be isolated.So follow Repeatedly, the recycling to electrolyte and protection liquid can be realized in ring, and can evade the shutdown corrosion of metal air fuel cell, It realizes that battery works-park the free switchings of two states, improves the utilization rate and metal air fuel cell of metal negative electrode Service life, at the same protect liquid and electrolyte can long term storage use, be independent of each other mutual property, has prevented under parked state Thermal runaway hidden danger, cell reaction will not be influenced, and do not generate additional emission in the whole process, it is environmentally friendly.
Embodiment according to the present utility model, with reference to Fig. 2, the above-mentioned system evaded metal air fuel cell and shut down corrosion Further comprise: electrolyte pump 400.
Embodiment according to the present utility model, electrolyte pump 400 and the second electrolyte outlet 202 and the first electrolyte entrance 101 are connected, and are suitable for sending the electrolyte in electrolyte storage device to battery cavities.By electrolyte pump, can accelerate to be electrolysed Transmission speed of the liquid from electrolyte storage device to battery cavities improves conversion effect of the battery between shutdown status to working condition Rate.
Embodiment according to the present utility model, with reference to Fig. 3, the above-mentioned system evaded metal air fuel cell and shut down corrosion Further comprise: protection liquid pump 500.
Embodiment according to the present utility model protects liquid pump 500 and the second protection liquid outlet 302 and the first protection liquid entrance 102 are connected, and are suitable for that the protection liquid in liquid storage device will be protected to send to battery cavities.By protecting liquid pump, can accelerate to protect Transmission speed of the liquid from protection liquid storage device to battery cavities improves conversion effect of the battery between working condition to shutdown status Rate, reduces the self-corrosion of metal negative electrode during state is replaced, to improve the service life of metal negative electrode, and then extends the battery longevity Life.
In order to facilitate understanding, implemented below to using above-mentioned using the system for evading metal air fuel cell shutdown corrosion Evade the method that metal air fuel cell shuts down corrosion to be described in detail, embodiment according to the present utility model, with reference to figure 4, this method comprises:
S100: working condition
Working condition, by electrolyte supply to battery cavities, the oxygen in air obtains electronics entrance on air cathode Electrolyte, the metal of cathode lose electronics and enter electrolyte, battery supplying power for outside.
One embodiment according to the present utility model, electrolyte can be molten for ammonium chloride solution, sodium chloride solution, potassium chloride Liquid or caustic solution.
Further embodiment according to the present utility model, metal negative electrode can be zinc load, magnesium cathode or aluminum honeycomb.By This, can form metal air fuel cell.
S200: shutdown status
Electrolyte is drained into electrolyte storage device, and protection liquid is supplied to battery cavities by shutdown status.In order to protect Metal negative electrode improves the service life of metal negative electrode, and then improves the service life of battery, in shutdown status, by battery cavities Interior electrolyte drains into electrolyte storage device, while the protection liquid in liquid storage device will be protected to supply to battery cavities, in this way, The protection liquid that can will not be reacted with metal negative electrode and electrolyte is covered on electrode, has evaded stopping for metal air fuel cell Machine corrosion, has prevented the thermal runaway hidden danger under shutdown status, has realized the protection to metal negative electrode.
One embodiment according to the present utility model, protection liquid can be ethyl alcohol, ethylene glycol, ether, acetone or glycerine. It inventors have found that above-mentioned protection liquid will not react with metal negative electrode, will not react with electrolyte, can lead to as a result, Crossing above-mentioned protection liquid avoids metal negative electrode that liberation of hydrogen self-corrosion occurs under battery shutdown status, evades metal air fuel cell Corrosion is shut down, simultaneously because its property that will not influence electrolyte, so may make the electrolyte being passed through in battery cavities and protection Liquid can move in circles use, significantly reduce process energy consumption.
Further embodiment according to the present utility model, metal negative electrode are immersed in protection liquid.Thus, it can be achieved that metal Comprehensive protection of cathode avoids metal negative electrode from continuing under shutdown status anti-with the electrolyte on metal negative electrode surface generation liberation of hydrogen It answers, has prevented the thermal runaway hidden danger under shutdown status.
S300: preparation stage
Protection liquid is drained into protection liquid storage device, then carries out S100 by the preparation stage.It, will be electric after terminating shutdown status Protection liquid in cell cavity drains into protection liquid storage device, returns to working condition for battery and prepares.It loops back and forth like this, realizes The free switching of cell operating status and shutdown status, meanwhile, because electrolyte and protection liquid are independent of each other property each other, so work The protection liquid of the electrolyte and shutdown status of making state is reusable, has significantly saved process energy consumption.
Evade the system that metal air fuel cell shuts down corrosion according to the use of the utility model embodiment to implement to evade Metal air fuel cell shut down corrosion method, electrolyte storage device and protection liquid storage device setting, be conducive to for Battery cavities provide electrolyte and protection liquid, so that battery is in work and shutdown status free switching.Before battery work, by battery cavities Interior protection liquid is put to protection liquid storage device, and the electrolyte in electrolyte storage device is delivered in battery cavities, metal Cathode and air cathode react under the action of electrolyte, and protection liquid will not influence the reaction in battery cavities;Wait react knot Shu Hou puts the electrolyte in battery cavities to electrolyte storage device, at the same will protect liquid storage device in protection liquid send to In battery cavities, electrolyte and metal negative electrode can be isolated in protection liquid.So circulation repeatedly, can be realized to electrolyte and protect liquid Recycling, and can evade the shutdown corrosion of metal air fuel cell realizes that battery works-park freely the cutting of two states It changes, improves the utilization rate of metal negative electrode and the service life of metal air fuel cell, while protecting liquid and electrolyte can be long-term Storage uses, and be independent of each other mutual property, has prevented the thermal runaway hidden danger under parked state, will not influence cell reaction, And do not generate additional emission in the whole process, it is environmentally friendly.
It should be noted that it is above-mentioned for evade metal air fuel cell shut down corrosion system described in feature and Advantage be equally applicable to the use evade metal air fuel cell shut down corrosion system implementation evade metal air fuel electricity The method that corrosion is shut down in pond, details are not described herein again.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (5)

1. a kind of system evaded metal air fuel cell and shut down corrosion characterized by comprising
Battery cavities, are equipped with spaced apart air cathode and metal negative electrode in the battery cavities, and the battery cavities have the One electrolyte entrance, the first protection liquid entrance, the first electrolyte outlet and the first protection liquid outlet;
Electrolyte storage device, the electrolyte storage device has the second electrolyte entrance and the second electrolyte outlet, described Second electrolyte entrance is connected with first electrolyte outlet, second electrolyte outlet and first electrolyte entrance It is connected;
Liquid storage device is protected, the protection liquid storage device has the second protection liquid entrance and the second protection liquid outlet, described Second protection liquid entrance is connected with the first protection liquid outlet, the second protection liquid outlet and the first protection liquid entrance It is connected.
2. system according to claim 1, which is characterized in that further comprise:
Electrolyte pump, the electrolyte pump are connected with second electrolyte outlet and first electrolyte entrance.
3. system according to claim 1 or 2, which is characterized in that further comprise:
Liquid pump is protected, the protection liquid pump is connected with the second protection liquid outlet and the first protection liquid entrance.
4. system according to claim 1, which is characterized in that first electrolyte entrance and the first protection liquid enter Mouth is located at the top of the battery cavities, and first electrolyte outlet and the first protection liquid outlet are located at described The bottom end of battery cavities.
5. system according to claim 1, which is characterized in that the electrolyte storage device and protection liquid storage dress Set the lower section for being located at the battery cavities.
CN201821432143.XU 2018-08-31 2018-08-31 Evade the system that metal air fuel cell shuts down corrosion Expired - Fee Related CN208690462U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109167125A (en) * 2018-08-31 2019-01-08 清华大学 Evade the system and method that metal air fuel cell shuts down corrosion
CN111537900A (en) * 2020-04-07 2020-08-14 清华大学 Comprehensive test and evaluation method for durability of metal-air fuel cell

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109167125A (en) * 2018-08-31 2019-01-08 清华大学 Evade the system and method that metal air fuel cell shuts down corrosion
CN111537900A (en) * 2020-04-07 2020-08-14 清华大学 Comprehensive test and evaluation method for durability of metal-air fuel cell
CN111537900B (en) * 2020-04-07 2021-03-16 清华大学 Comprehensive test and evaluation method for durability of metal-air fuel cell

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