CN109103550A - A kind of power metal-air battery - Google Patents
A kind of power metal-air battery Download PDFInfo
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- CN109103550A CN109103550A CN201810971739.5A CN201810971739A CN109103550A CN 109103550 A CN109103550 A CN 109103550A CN 201810971739 A CN201810971739 A CN 201810971739A CN 109103550 A CN109103550 A CN 109103550A
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- metal
- air
- spring
- metal cylinder
- air battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M12/00—Hybrid cells; Manufacture thereof
- H01M12/04—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type
- H01M12/06—Hybrid cells; Manufacture thereof composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type with one metallic and one gaseous electrode
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- Manufacturing & Machinery (AREA)
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- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
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Abstract
The present invention discloses a kind of power metal-air battery.The air cell includes: air cathode, metal cylinder, metal ball；Air cathode is cylindrical shape, is set in metal cylinder periphery；Electrolyte is filled between air cathode and metal cylinder；Metal ball is filled in metal cylinder；The through-hole that diameter is gradually increased from top to bottom is provided on the side wall of metal cylinder；The maximum gauge of through-hole is less than the maximum gauge of metal ball；Electrolyte cross through-hole is contacted with metal ball；The diameter of metal tube inner surface is sequentially increased from top to bottom.Air cell of the invention no replacement is required anode, and object can be oxidized metal and sufficiently reacted, save the use cost of battery.
Description
Technical field
The present invention relates to battery technology fields, more particularly to a kind of power metal-air battery.
Background technique
Pure electric automobile and portable electronics drive by entrained battery, in order to improve equipment course continuation mileage or when
Between, it would be desirable to be able to the high battery of metric density.Charge efficiency is high for lithium ion battery, memoryless, for pure electric vehicle most widely used at present
Automobile and portable electronics mobile power source.Currently employed non-polymer lithium ion battery energy density is low, and energy density is high
Polymer Li-ion battery, it is at high cost, under high temperature and sunshine, there is spontaneous combustion possibility.Metal-air battery has energy density height,
Using safe, it is expected to become one promising scheme of power battery.Metal-air battery is using active metal as anode, air
In oxygen as cathode, provide electric energy by galvanic interaction.Metal-air battery utilizes the chemical energy of active metal storage,
It is aoxidized, is released energy by metal.When work, using the oxygen in air as oxidant, active metal is as reducing agent, structure
At primary battery.In reaction, the oxygen in atmosphere can endlessly reach anode, but the active metal of cathode can not breakdown
Consumption, while the water in the also electrolyte being lost.Metal-air battery majority is disposable battery, in use process, is needed not
The negative electrode material of disconnected replacement battery, supplements the water in electrolyte, just can guarantee that battery last works.The work of metal-air battery
Principle is as shown in Figure 1.
When using neutral salt electrolyte, the key reaction of battery is for example following:
Cathode: 4X-4ne-=4Xn+
Anode: nO2+2nH2O+4ne-=4nOH-
Net reaction: 4X+nO2+2nH2O=4X (OH)n
Wherein: X represents the active metal of cathode, and n is the chemical valence of active metal.
By reaction equation, it is not difficult to find out that, metal anode is constantly lost, and is converted into attachment or sediment, while consuming electricity
Solve the water in liquid.
Due to the crystal phase non-uniformity of metallic anode plate, and the electric field in battery is uneven, the loss of metal anode
And it is uneven, in service life, the area of anode can change, and influence power and the internal resistance of battery.Especially work as metal
Anode is than after relatively thin, non-uniform loss will cause pole plate partial exfoliation, for mobile device, especially high-speed mobile equipment
Such as electric car, the damage of inside battery will cause.It in order to avoid this kind of situation, can only there are also certain thickness in anode
When, it just replaces in advance, this causes the chemical energy stored by anode to be unable to fully discharge, and influences the power density of battery, mentions
The use cost of high metal air cell.
Summary of the invention
The object of the present invention is to provide a kind of power metal-air battery, no replacement is required anode, and oxidize metal object and fill
Divide reaction, saves the use cost of battery.
To achieve the above object, the present invention provides following schemes:
A kind of power metal-air battery, comprising: air cathode, metal cylinder, metal ball；
The air cathode is cylindrical shape, is set in the metal cylinder periphery；The air cathode and the metal cylinder it
Between be filled with electrolyte；The metal ball is filled in the metal cylinder；Be provided on the side wall of the metal cylinder from it is lower to
The through-hole that upper diameter is gradually increased；The maximum gauge of the through-hole is less than the maximum gauge of the metal ball；The electrolyte is worn
The through-hole is crossed to contact with the metal ball；The diameter of the metal tube inner surface is sequentially increased from top to bottom.
Optionally, which further includes spring bearer plate, holddown spring and spring base；The spring bearer plate, the pressure
Tight spring and the spring base are arranged in the metal cylinder, and the spring bearer plate is pressed on the top of the metal ball, institute
Spring base is stated to be located above the spring bearer plate；The both ends of the holddown spring are connected to the spring bearer plate and the bullet
On spring abutment；The spring pedestal and the inner wall of the metal cylinder are clamped.
Optionally, eccentric motor is fixedly connected in the spring base upper surface.
Optionally, the input terminal of the eccentric motor is connected with timer；The timer is used for when first is default
Between section start the eccentric motor, so that the eccentric motor is run the second preset time period；First preset time period is greater than
Or be equal to 10 minutes, the second time period is greater than or equal to 10 seconds.
Optionally, which further includes gland；The gland covers the top in the air cathode, and the gland
It is connect by seal with the metal cylinder.
Optionally, which further includes battery case；The battery case is set in the air cathode periphery；Institute
The top for stating battery case is tightly connected by sealing device and the air cathode.
Optionally, the material of the metal ball is aluminium, magnesium, zinc or the alloy comprising any one in aluminium, magnesium and zinc.
Optionally, the air cathode is the graphite material for being adsorbed with catalyst.
Optionally, the electrolyte contains Mg (ClO4)2。
Optionally, the material of the metal cylinder includes cathode copper or oxygen-free copper.
The specific embodiment provided according to the present invention, the invention discloses following technical effects: power metal of the invention
Air cell in metal cylinder by being packed into metal ball as anode, so as to continue battery by periodically adding metal ball
Work, eliminates more changing jobs for anode, so that waste of energy caused by anode change be avoided to waste, is greatly saved into
This.Meanwhile by setting spring bearer plate, holddown spring and spring base, make metal ball that there is pushing in chemical reaction process
Power not only can guarantee coming into full contact with for metal ball and metal cylinder, ensure that the reliability of connection, moreover it is possible to guarantee the abundant of metal ball
Reaction, and addition metal ball can be determined the need for by depression degree, realize the visualization of anode consumption.Eccentric motor
Setting can make in the operation process of motor with holddown spring generate resonance, so that vibration force is transmitted to spring bearer plate and gold
Belong to ball, metal ball is made to be evenly distributed, guarantees that spring bearer plate smoothly pushes, be further ensured that the abundant reaction of metal ball.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the working principle diagram of traditional metal-air battery.
Fig. 2 is the battery structure figure of power metal-air battery embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of power metal-air battery, no replacement is required anode, and oxidize metal object and fill
Divide reaction, saves the use cost of battery.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Fig. 2 is the battery structure figure of power metal-air battery embodiment of the present invention.
Referring to fig. 2, the power metal-air battery is generally cylindrical.The air cell can be used for for electric car confession
Electricity.The air cell includes: air cathode 4, metal cylinder 2, metal ball 13；
The air cathode 4 is cylindrical shape, is set in 2 periphery of metal cylinder；The air cathode 4 and the metal cylinder
Electrolyte 3 is filled between 2；The metal ball 13 is filled in the metal cylinder 2；It is arranged on the side wall of the metal cylinder 2
There is the through-hole 14 that diameter is gradually increased from top to bottom；The maximum that the maximum gauge of the through-hole 14 is less than the metal ball 13 is straight
Diameter；The electrolyte 3 passes through the through-hole 14 and contacts with the metal ball 13；The diameter of 2 inner surface of metal cylinder from it is lower to
On be sequentially increased.
As an alternative embodiment, the air cell further includes spring bearer plate 12, holddown spring 11 and spring base
8；The spring bearer plate 12, the holddown spring 11 and the spring base 8 are arranged in the metal cylinder 2, the spring pressure
Plate 12 is pressed on the top of the metal ball 13, and the spring base 8 is located at 12 top of spring bearer plate；The holddown spring 11
Both ends be connected to the spring bearer plate 12 on the spring base 8；The inner wall of the spring pedestal and the metal cylinder 2
Clamping.The spring base 8 selects metal material.
As an alternative embodiment, being fixedly connected with eccentric motor 9 in 8 upper surface of spring base.
As an alternative embodiment, the input terminal of the eccentric motor 9 is connected with timer 10；The timer
10, for starting the eccentric motor 9 every the first preset time period, make the eccentric motor 9 run the second preset time period；
First preset time period is greater than or equal to 10 minutes, and the second time period is greater than or equal to 10 seconds.
As an alternative embodiment, the air cell further includes gland 6；The gland 6 is covered in the air yin
The top of pole 4, and the gland 6 is connect by seal 7 with the metal cylinder 2.Gland 6 is aluminum alloy materials, for solid
Electric insulation is realized by seal 7 in the relative position for determining cathode and anode.In order to there is good insulation effect and reliable
Property, seal 7 selects polytetrafluoroethylene material.
As an alternative embodiment, the air cell further includes battery case 1；The battery case 1 is set in
4 periphery of air cathode；The top of the battery case 1 is tightly connected by sealing device 5 and the air cathode 4.Institute
It states battery case 1 and selects the aluminium alloy for being lined with insulating materials.Sealing device 5 uses rubber sealing device, it is ensured that air
Battery uses on telecontrol equipment, avoids liquid splash.
The battery case 1 is provided with air intlet and air outlet slit.Air is passed through the electricity from the air intlet
It is contacted with air cathode 4 in pond shell 1 and participates in reacting, the air after reaction is discharged from the air outlet slit.
As an alternative embodiment, the material of the metal ball 13 is aluminium, magnesium, zinc or comprising in aluminium, magnesium and zinc
The alloy of any one.
As an alternative embodiment, the air cathode 4 is the graphite material for being adsorbed with catalyst.
As an alternative embodiment, the electrolyte 3 is Mg (ClO4)2Solution.Mg2+Electrically charged more, diameter is small,
Movement velocity is fast, and ClO4- is small in size, good conductivity.
As an alternative embodiment, the metal cylinder 2 is cathode copper or oxygen-free copper, have in neutral salt solution
Good chemical stability, and electric conductivity with higher.Although copper can corrode in oxygenous electrolyte, due to
Active metal is in close contact, therefore can be protected, and is effectively prevented copper and is corroded.
As an alternative embodiment, offering waste falling hole in the bottom of the metal cylinder 2；The waste falls
Hole is fallen for the metal hydroxides that redox reaction generates to be fallen to the bottom of battery case 1.
The specific working principle is as follows for the device of the invention: the metal ball 13 of designated diameter is loaded onto metal cylinder 2, then
It being compressed with holddown spring 11, opens a series of through-holes 14 in metal cylinder 2, the diameter of through-hole 14 is sequentially increased from bottom to top, because
As metal ball 13 is constantly reacted, diameter becomes smaller, and the diameter setting of through-hole 14 need to both guarantee that electrolyte 3 is able to enter metal cylinder 2
It is interior sufficiently to be reacted with metal ball 13, and guarantee that metal ball 13 will not roll into through-hole 14.Metal ball 13 passes through the through-hole of metal cylinder 2
It is contacted with electrolyte 3 and completes redox reaction.Metal cylinder 2 has certain taper, i.e. diameter is sequentially reduced from top to bottom, and guarantees
Metal ball 13 can be in close contact under the action of holddown spring 11 with metal cylinder 2, reduce resistance.The every work 1 of battery is small
When (the first preset time period be 1 hour), timer 10 drive eccentric motor 9 to rotate 30 seconds (the second preset time period is 30
Second), it is on the other hand exactly the metal hydrogen-oxygen for promoting to generate first is that not having clamping stagnation to guarantee that metal ball 13 is reliably compressed
Compound falls off from metal ball 13, and the aperture along 2 bottom of metal cylinder falls to 1 bottom of battery case, keeps chemical reaction smooth
It carries out.Timer 10 drives eccentric motor 9 also to lean on the metal air cell, works as battery open circuit, i.e. off working state, eccentric
Motor 9 also stops working.
The rigidity of holddown spring 11, the initial compression amount of holddown spring 11, the quality of spring bearer plate 12 and eccentric motor 9
Revolving speed need to be pre-set, detailed process are as follows:
The active force for acting on spring bearer plate 12 is calculated first.Counterweight is added on spring bearer plate 12, until 2 He of metal cylinder
The resistance for the composite anode that metal ball 13 is constituted no longer is substantially reduced.Remember that this power is F0
The range of holddown spring 11 is Δ x, and initial compression amount is x0, spring rate k, the quality of spring bearer plate 12
For m, motor speed is n rpm, then has:
k(x0-Δx)≥F0
In order to enable eccentric motor 9 preferably to motivate, it is necessary to make 9 revolving speed of eccentric motor with spring bearer plate 12 and compress bullet
The system resonance that spring 11 forms, it may be assumed that
If selected 12 mass of spring bearer plate is m and 9 revolving speed of eccentric motor is n, spring can be calculated according to above formula
Rigidity is k, the F surveyed according to test0Range in conjunction with spring is Δ x, so that it may which the initial compression amount for acquiring spring is x0。
The specific embodiment provided according to the present invention, the invention discloses following technical effects: the present invention no longer uses greatly
The metal polar plate of block solid, but the metal ball largely compressed is used, the cage type for being placed on a cathode copper is intracavitary, leans on spring pressure
Tightly, guarantee the good electric conductivity of anode, no replacement is required anode only needs regular replenishment metallic particles.Metallic particles is in cage type
It can be reacted completely in metal anode cover, granular metal increases the contact area with electrolyte, battery can be improved
Power density.Novel anode can also significantly reduce the internal resistance of metal-air battery, improve metal-air battery efficiency.In order to
Cooperate this novel electrode, which is designed to cylinder, and centre is Novel anode, and outer ring is cathode, so that battery
Internal electric field is uniform.One eccentric motor and a timer are installed on Novel anode simultaneously, in cell operations, often
A 1 hour, motor worked 30 seconds, guaranteed that metallic particles can be compressed reliably, will not be stuck.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of power metal-air battery characterized by comprising air cathode, metal cylinder, metal ball；
The air cathode is cylindrical shape, is set in the metal cylinder periphery；It is filled out between the air cathode and the metal cylinder
Filled with electrolyte；The metal ball is filled in the metal cylinder；It is provided on the side wall of the metal cylinder straight from top to bottom
The through-hole that diameter is gradually increased；The maximum gauge of the through-hole is less than the maximum gauge of the metal ball；The electrolyte cross institute
Through-hole is stated to contact with the metal ball；The diameter of the metal tube inner surface is sequentially increased from top to bottom.
2. a kind of power metal-air battery according to claim 1, which is characterized in that further include spring bearer plate, compress
Spring and spring base；The spring bearer plate, the holddown spring and the spring base are arranged in the metal cylinder, the bullet
Spring pressing plate is pressed on the top of the metal ball, and the spring base is located above the spring bearer plate；The two of the holddown spring
End is connected on the spring bearer plate and the spring base；The spring pedestal and the inner wall of the metal cylinder are clamped.
3. a kind of power metal-air battery according to claim 2, which is characterized in that solid in the spring base upper surface
Surely it is connected with eccentric motor.
4. a kind of power metal-air battery according to claim 3, which is characterized in that the input terminal of the eccentric motor
It is connected with timer；The timer is used to start the eccentric motor every the first preset time period, makes the eccentric motor
Run the second preset time period；First preset time period is greater than or equal to 10 minutes, and the second time period is greater than or waits
In 10 seconds.
5. a kind of power metal-air battery according to claim 1, which is characterized in that further include gland；The gland
The top in the air cathode is covered, and the gland is connect by seal with the metal cylinder.
6. a kind of power metal-air battery according to claim 1, which is characterized in that further include battery case；It is described
Battery case is set in the air cathode periphery；The top of the battery case is close by sealing device and the air cathode
Envelope connection.
7. a kind of power metal-air battery according to claim 1, which is characterized in that the material of the metal ball is
Aluminium, magnesium, zinc or the alloy comprising any one in aluminium, magnesium and zinc.
8. a kind of power metal-air battery according to claim 1, which is characterized in that the air cathode is to be adsorbed with
The graphite material of catalyst.
9. a kind of power metal-air battery according to claim 1, which is characterized in that the electrolyte contains Mg
(ClO4)2。
10. a kind of power metal-air battery according to claim 1, which is characterized in that the material packet of the metal cylinder
Include cathode copper or oxygen-free copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971739.5A CN109103550B (en) | 2018-08-24 | 2018-08-24 | Power metal-air battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810971739.5A CN109103550B (en) | 2018-08-24 | 2018-08-24 | Power metal-air battery |
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| Publication Number | Publication Date |
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| CN109103550A true CN109103550A (en) | 2018-12-28 |
| CN109103550B CN109103550B (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810971739.5A Active CN109103550B (en) | 2018-08-24 | 2018-08-24 | Power metal-air battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783664A (en) * | 2019-12-09 | 2020-02-11 | 王新跃 | Container type aluminum electrode |
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| Publication number | Publication date |
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| CN109103550B (en) | 2022-02-18 |
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