CN208596770U - A kind of metal-air battery - Google Patents
A kind of metal-air battery Download PDFInfo
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- CN208596770U CN208596770U CN201821110645.0U CN201821110645U CN208596770U CN 208596770 U CN208596770 U CN 208596770U CN 201821110645 U CN201821110645 U CN 201821110645U CN 208596770 U CN208596770 U CN 208596770U
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Abstract
The utility model discloses a kind of metal-air battery, comprising: air electrode, metal electrode, electrolyte, controller, power amplifier, supersonic generator；When starting the metal-air battery of vehicle, controller receives open command by bus, and the electric signal of setpoint frequency is generated according to open command；The electric signal of power amplifier amplification setpoint frequency；The electric signal of amplification is converted into ultrasonic activation signal by supersonic generator, is detached from the attachment being covered on the metal electrode by the electrolyte, and then start the metal-air battery rapidly；When closing the metal-air battery of vehicle; the controller receives out code by bus; and it is stopped working according to out code by supersonic generator described in the power amplifier control; surface of metal electrode will generate one layer of fine and close attachment as oxidation film again at this time, protect metal electrode that self-corrosion will not occur during deactivating.
Description
Technical field
The utility model relates to battery technology fields, more particularly to a kind of metal-air battery.
Background technique
Vehicle leans on entrained battery discharge form, it is possible to reduce the pollution to running environment, for reducing metropolis
Air pollution has significant effect.Although final CO2 emission may not be can reduce, since people live not
Uniformity, above-mentioned effect or meaningful.The lithium ion battery energy density that vehicle is widely used at present is low, the continuation of the journey of vehicle
Mileage is low, and the higher polymer Li-ion battery of energy density may spontaneous combustion in the case where high temperature and sunshine.Therefore, it grinds
Fixture has high-energy density, using safe metal-air battery at a promising scheme.
For metal-air battery using metallic zinc, aluminium, magnesium etc. as cathode, the oxygen in air passes through original as anode at present
Cell reaction releases energy after aoxidizing metal and then realizes power supply, therefore when use metal-air battery, only needs to change battery
Negative electrode material, that is, it is reusable, without charging.It is compared with lithium ion battery, metal-air battery is relatively suitble to lasting confession
Power mode, therefore, many applications are also to be used as backup power source.But if using air cell as the main source of energy of vehicle, it is necessary to
Adapt to the mode of the interrupter duty of automobile.If be off using alkalinity or acidic electrolysis bath although can start rapidly
Period, due to the reduction for causing battery available capacity from loss of electrode.If using neutral electrolyte, although can be to avoid
Export license during deactivating, but since the surface of metal electrode such as magnalium zinc will form one layer of fine and close attachment during deactivating
Object causes reaction to be passivated as oxidation film, so as to restart speed slow for battery.Although in addition, can be kept away using alloy electrode
Exempt from face passivation, but equally will cause the loss for deactivating period electrode, while some precious metals can be consumed, and cause product
Recycling is difficult.Therefore traditional chemical mode is used, can not solve the problems, such as passivation and metal anode self-corrosion simultaneously.
Utility model content
The purpose of the utility model is to provide a kind of metal-air batteries, to realize while solve passivation and metal anode certainly
The problem of corrosion.
To achieve the above object, the utility model provides a kind of metal-air battery, and the metal-air battery includes:
Air electrode, metal electrode, electrolyte, controller, power amplifier, supersonic generator；
The air electrode is correspondingly arranged with the metal electrode, is existed between the air electrode and the metal electrode
The electrolyte；
The connection of the bus of the controller and vehicle, when starting the metal-air battery of vehicle, the controller passes through
Bus receives open command, and the electric signal of setpoint frequency is generated according to open command；When the metal-air battery for closing vehicle
When, the controller receives out code by bus, and according to out code by surpassing described in the power amplifier control
Sonic generator stops working；
Power amplifier is connected with the controller, for amplifying the electric signal of setpoint frequency；
Supersonic generator is connected with the power amplifier, and the electricity inside the electrolyte, for will amplify is arranged
Signal is converted into ultrasonic activation signal, is detached from the attachment being covered on the metal electrode by the electrolyte, into
And start the metal-air battery rapidly.
Preferably, the metal-air battery further include: acceleration transducer is arranged on the metal electrode, is used for
Detect the acceleration responsive analog signal of the metal electrode；
Analog-to-digital conversion module is connected with the acceleration transducer, for converting the acceleration responsive analog signal
At acceleration responsive digital signal；
The controller is connected with the analog-to-digital conversion module, for being selected according to the acceleration responsive digital signal of detection
The intrinsic frequency of the metal electrode, and using the intrinsic frequency as setpoint frequency.
Preferably, the metal electrode is the metal that purity is greater than 90%.
Preferably, the metal of the metal electrode is Al, Mg, Zn and/or the alloy comprising at least one of Al, Mg, Zn.
Preferably, the electrolyte is electrolyte solution, ionic liquid or fuse salt.
Preferably, the acceleration transducer is piezoelectric type ICP sensor.
Preferably, the supersonic generator includes: pedestal, piezoelectric ceramics, metal vibration diaphragm, resonator；
Piezoelectric ceramics, setting on the base, are connected with the power amplifier, the electric signal conversion for that will amplify
At exciting force；
Metal vibration diaphragm is arranged on the piezoelectric ceramics, for pushing metal vibration diaphragm to do simple harmonic quantity vibration according to the exciting force
It is dynamic；
Resonator is arranged on the metal vibration diaphragm, for amplifying the vibration of the metal vibration diaphragm, forms ultrasonic activation
The attachment being covered on the metal electrode is detached from by electrolyte, and then keeps the metal-air battery rapid by signal
Starting.
Preferably, the metal-air battery further include: CAN communication module is connected with the battery management system of vehicle, uses
In the discharge current for the battery management system detection for receiving vehicle；
The controller is connected with the CAN communication module, described when the discharge current is greater than 90% rated current
Controller is stopped working by supersonic generator described in the power amplifier control.
Preferably, the metal-air battery further include: power module is connected, for giving with the acceleration transducer
The acceleration transducer provides 20mA electric current.
Preferably, the power module is 20mW power module.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects:
For the utility model when starting the metal-air battery of vehicle, the controller receives open command by bus,
And the electric signal of setpoint frequency is generated according to open command；The electric signal of power amplifier amplification setpoint frequency；Ultrasonic wave occurs
The electric signal of amplification is converted into ultrasonic activation signal by device, will be covered on by the electrolyte attached on the metal electrode
Object be detached from, and then start the metal-air battery rapidly；When closing the metal-air battery of vehicle, the controller
Out code is received by bus, and is stopped according to out code by supersonic generator described in the power amplifier control
Work, surface of metal electrode will generate one layer of fine and close attachment as oxidation film again at this time, and protection metal electrode will not be
Self-corrosion occurs during deactivating.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the utility model embodiment metal-air battery structure chart；
Fig. 2 is the utility model embodiment metal-air battery working principle diagram；
Fig. 3 is the utility model embodiment supersonic generator structure chart.
Wherein, 1, air electrode, 2, metal electrode, 3, electrolyte, 4, controller, 5, power amplifier, 6, ultrasonic wave hair
Raw device, 61, pedestal, 62, piezoelectric ceramics, 63, metal vibration diaphragm, 64, resonator, 65, shell, 66, power supply line, 7, acceleration sensing
Device, 8, analog-to-digital conversion module, 9, CAN communication module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of metal-air batteries, to realize while solve passivation and metal electrode certainly
The problem of corrosion.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is the utility model embodiment metal-air battery structure chart；As shown in Figure 1, when using neutral salt electrolyte
When, the key reaction of battery is for example as follows:
Cathode: 4X-4ne-=4Xn+
Anode: nO2+2nH2O+4ne-=4nOH-
Net reaction: 4X+nO2+2nH2O=4X (OH)n；
Wherein: X represents the metal of cathode, i.e. metal electrode, and n is its chemical valence.
Fig. 2 is the utility model embodiment metal-air battery working principle diagram；As shown in Fig. 2, the utility model provides
A kind of metal-air battery, the metal-air battery include: air electrode 1, metal electrode 2, electrolyte 3, controller 4, function
Rate amplifier 5, supersonic generator 6；
The air electrode 1 is correspondingly arranged with the metal electrode 2, between the air electrode 1 and the metal electrode 2
There are the electrolyte 3；
The controller 4 is connect with the bus of vehicle, and when starting the metal-air battery of vehicle, the controller 4 is logical
It crosses bus and receives open command, and generate the electric signal of setpoint frequency according to open command；When the metal-air electricity for closing vehicle
Chi Shi, the controller 4 receives out code by bus, and controls institute by the power amplifier 5 according to out code
Supersonic generator 6 is stated to stop working.
The power amplifier 5 is connected, for amplifying the electric signal of setpoint frequency with the controller 4；
The supersonic generator 6 is connected with the power amplifier 5, is arranged inside the electrolyte 3, and being used for will
The electric signal of amplification is converted into ultrasonic activation signal, will be covered on the attachment on the metal electrode 2 by the electrolyte 3
Object is detached from, and then starts the metal-air battery rapidly；The attachment includes but is not limited to metal oxide, metallic hydrogen
At least one of oxide, metal carbonate and its compound.
The controller 4 that the utility model uses is made of 32 STM32F103 single-chip microcontrollers.What the utility model used
The power amplifier 5 is made of UA741 amplifier.
Metal-air battery described in the utility model further include: acceleration transducer 7, analog-to-digital conversion module 8.
The acceleration transducer 7 is arranged on the metal electrode 2, and the acceleration transducer 7 is described for detecting
The acceleration responsive analog signal of metal electrode 2.
The analog-to-digital conversion module 8 is connected with the acceleration transducer 7, and the analog-to-digital conversion module 8 is used for will be described
Acceleration responsive analog signal is converted into acceleration responsive digital signal.Analog-to-digital conversion module 8 described in the utility model uses 14
The analog-to-digital conversion module 8 of position.
The controller 4 is connected with the analog-to-digital conversion module 8, for being selected according to the acceleration responsive digital signal of detection
The intrinsic frequency of the metal electrode 2 is selected, and using the intrinsic frequency as setpoint frequency.
Acceleration transducer 7 described in the utility model includes but is not limited to piezoelectric type ICP sensor, sensor frequency response
Range is 5~5000Hz, and 0~50g of measurement range, precision is not less than 0.5FS.The utility model uses piezoelectric type ICP sensor
It can simplify 4 circuit of subsequent controllers, improve detection accuracy.
Air electrode 1 in the utility model generally uses chemical inert material, and oxygen reduction is hydrogen-oxygen by adsorption of oxygen
Radical ion.The specific air electrode 1 can use common graphite stick, the graphene material that surface area can also be used bigger
Material.
In order to enhance protective effect of the attachment as oxidation film, the purer used metal electrode 2 the better, such
One additional advantage is exactly that reaction product is also high-purity attachment, can there is very big recovery value, therefore the utility model
The metal electrode 2 is the metal that purity is greater than 90%, it is preferable that the metal electrode 2 is that purity is pure greater than 95% metal
The metal of degree, it is further preferred that the metal electrode 2 is the metal that purity is greater than 98%, it is highly preferred that the metal electrode
2 are greater than 99% metal for purity.
There is no particular limitation to metal for the utility model, it is preferable that the metal of the metal electrode be Al, Mg, Zn and/
Or the alloy comprising at least one of Al, Mg, Zn.
Electrolyte 3 described in the utility model is neutral electrolyte 3, and to neutral electrolyte 3, there is no particular limitation, preferably
Ground, electrolyte is electrolyte solution, ionic liquid or fuse salt, it is further preferred that the neutral electrolyte 3 is Mg (ClO4)2
Electrolyte, because of Mg2+Electrically charged more, diameter is small, and movement velocity is fast, ClO4It is small in size.
As shown in figure 3, supersonic generator 6 described in the utility model includes: pedestal 61, piezoelectric ceramics 62, metal vibration diaphragm
63, resonator 64, shell 65, power supply line 66, but it is not limited to the above structure.
The piezoelectric ceramics 62 is arranged on the pedestal 61, and the piezoelectric ceramics 62 is connected with the power amplifier 5,
The piezoelectric ceramics 62 is used to the electric signal of amplification being converted into exciting force.
The metal vibration diaphragm 63 is arranged on the piezoelectric ceramics 62, and the metal vibration diaphragm 63 is used for according to the exciting force
Metal vibration diaphragm 63 is pushed to do simple harmonic oscillation.
The resonator 64 is arranged on the metal vibration diaphragm 63, and the resonator 64 is for amplifying the metal vibration diaphragm 63
Vibration, formed ultrasonic activation signal, by electrolyte 3 by the attachment being covered on the metal electrode 2 be detached from, in turn
Start the metal-air battery rapidly.
The shell 65 is arranged on the pedestal 61, by the piezoelectric ceramics 62, the metal vibration diaphragm 63, the resonance
Device 64 is arranged in the inside of the shell 65, the shell 65 prevent the internal piezoelectric ceramics 62, the metal vibration diaphragm 63,
The resonator 64 is corroded by the electrolyte 3.
The power supply line 66 is connect with the piezoelectric ceramics 62, the metal vibration diaphragm 63 respectively, for connecting to power supply, is given
The supersonic generator 6 transmits electric energy.
Metal-air battery described in the utility model further include: CAN communication module 9, the battery management system phase with vehicle
Even, the discharge current detected for receiving the battery management system of vehicle.
The controller 4 is connected with the CAN communication module 9, when the discharge current is greater than 90% rated current, institute
Controller 4 is stated to control the supersonic generator 6 by the power amplifier 5 and stop working.
Metal-air battery described in the utility model further include: power module is connected with the acceleration transducer 7, uses
In to the acceleration transducer 7 provide 20mA electric current.The power module uses 20mW power module.
If the utility model is not provided with the acceleration transducer 7, setpoint frequency is set greater than the intrinsic frequency of highest
Rate fHAny value.Since in metal-air battery discharge process, metal anode is in constantly loss, and therefore, itself consolidates
There is frequency that can also change.In order to adapt to this variation, using preceding first to the new electrode of the metal electrode 2 and final work
The intrinsic frequency of state electrode is tested, and determines highest intrinsic frequency fH.If acceleration transducer is arranged, because different add
Speed responsive digital signal corresponds to the intrinsic frequency of the different metal electrodes 2, so subsequent controllers are rung according to acceleration
Digital signal is answered to select the intrinsic frequency of the metal electrode 2 corresponding with acceleration responsive digital signal.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of metal-air battery, which is characterized in that the metal-air battery includes: air electrode, metal electrode, electrolysis
Liquid, controller, power amplifier, supersonic generator；
The air electrode is correspondingly arranged with the metal electrode, is existed between the air electrode and the metal electrode described
Electrolyte；
The connection of the bus of the controller and vehicle, when starting the metal-air battery of vehicle, the controller passes through bus
Open command is received, and generates the electric signal of setpoint frequency according to open command；When closing the metal-air battery of vehicle, institute
It states controller and out code is received by bus, and sent out according to out code by ultrasonic wave described in the power amplifier control
Raw device stops working；
The power amplifier is connected with the controller, for amplifying the electric signal of setpoint frequency；
The supersonic generator is connected with the power amplifier, and the electricity inside the electrolyte, for will amplify is arranged
Signal is converted into ultrasonic activation signal, is detached from the attachment being covered on the metal electrode by the electrolyte, into
And start the metal-air battery rapidly.
2. metal-air battery according to claim 1, which is characterized in that the metal-air battery further include: accelerate
Sensor is spent, is arranged on the metal electrode, for detecting the acceleration responsive analog signal of the metal electrode；
Analog-to-digital conversion module is connected with the acceleration transducer, for the acceleration responsive analog signal to be converted into adding
Speed responsive digital signal；
The controller is connected with the analog-to-digital conversion module, for according to the selection of the acceleration responsive digital signal of detection
The intrinsic frequency of metal electrode, and using the intrinsic frequency as setpoint frequency.
3. metal-air battery according to claim 1, which is characterized in that the metal electrode is purity greater than 90%
Metal.
4. metal-air battery according to claim 1, which is characterized in that the metal of the metal electrode is Al, Mg, Zn
And/or the alloy comprising at least one of Al, Mg, Zn.
5. metal-air battery according to claim 1, which is characterized in that the electrolyte is electrolyte solution, ion
Liquid or fuse salt.
6. metal-air battery according to claim 2, which is characterized in that the acceleration transducer is piezoelectric type ICP
Sensor.
7. metal-air battery according to claim 1, which is characterized in that the supersonic generator includes: pedestal, pressure
Electroceramics, metal vibration diaphragm, resonator；
Piezoelectric ceramics, setting on the base, are connected, for the electric signal of amplification to be converted into swashing with the power amplifier
Vibration power；
Metal vibration diaphragm is arranged on the piezoelectric ceramics, for pushing metal vibration diaphragm to do simple harmonic oscillation according to the exciting force；
Resonator is arranged on the metal vibration diaphragm, for amplifying the vibration of the metal vibration diaphragm, forms ultrasonic activation letter
Number, the attachment being covered on the metal electrode is detached from by electrolyte, and then open the metal-air battery rapidly
It is dynamic.
8. metal-air battery according to claim 1, which is characterized in that the metal-air battery further include: CAN is logical
Believe module, is connected with the battery management system of vehicle, the discharge current that the battery management system for receiving vehicle detects；
The controller is connected with the CAN communication module, when the discharge current is greater than 90% rated current, the control
Device is stopped working by supersonic generator described in the power amplifier control.
9. metal-air battery according to claim 2, which is characterized in that the metal-air battery further include: power
Module is connected with the acceleration transducer, for providing 20mA electric current to the acceleration transducer.
10. metal-air battery according to claim 9, which is characterized in that the power module is 20mW power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821110645.0U CN208596770U (en) | 2018-07-13 | 2018-07-13 | A kind of metal-air battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821110645.0U CN208596770U (en) | 2018-07-13 | 2018-07-13 | A kind of metal-air battery |
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| CN208596770U true CN208596770U (en) | 2019-03-12 |
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| CN201821110645.0U Active CN208596770U (en) | 2018-07-13 | 2018-07-13 | A kind of metal-air battery |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598628A (en) * | 2018-07-13 | 2018-09-28 | Cnus技术公司 | A kind of metal-air battery |
| CN110071307A (en) * | 2019-04-29 | 2019-07-30 | 北京理工大学 | A kind of metal-air battery system and vehicle |
-
2018
- 2018-07-13 CN CN201821110645.0U patent/CN208596770U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108598628A (en) * | 2018-07-13 | 2018-09-28 | Cnus技术公司 | A kind of metal-air battery |
| CN108598628B (en) * | 2018-07-13 | 2022-04-05 | Cnus技术公司 | Metal-air battery |
| CN110071307A (en) * | 2019-04-29 | 2019-07-30 | 北京理工大学 | A kind of metal-air battery system and vehicle |
| CN110071307B (en) * | 2019-04-29 | 2021-01-01 | 北京理工大学 | Metal-air battery system and vehicle |
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