CN207883880U - A kind of metal-air battery that can automatically keep pole plate spacing - Google Patents
A kind of metal-air battery that can automatically keep pole plate spacing Download PDFInfo
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- CN207883880U CN207883880U CN201820329265.XU CN201820329265U CN207883880U CN 207883880 U CN207883880 U CN 207883880U CN 201820329265 U CN201820329265 U CN 201820329265U CN 207883880 U CN207883880 U CN 207883880U
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- pole
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- shell
- plate spacing
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model is related to a kind of metal-air batteries that can automatically keep pole plate spacing, shell, the electrolyte cavities in shell and the air pole in the lateral through aperture of shell side including erecting long cavity body structure, the negative pole unit parallel with air pole is provided in the shell, the negative pole unit includes the elastic element being sequentially stacked in the housing sidewall opposite with air pole, metal pole and apertured partition, the apertured partition is fixed on enclosure interior and non-contact between air pole, and the metal pole is slideably positioned between elastic element and apertured partition；The utility model is relative to existing metal-air battery structure, pass through special structure design, metal pole and the air pole distance in battery discharge procedure is allowed to remain unchanged, and the optimum response pre-set is maintained always apart from upper, the consistency that ensure that cell discharge performance makes battery performance be in optimum state.
Description
Technical field
The utility model is related to field of batteries, more particularly to a kind of metal-air battery that can automatically keep pole plate spacing.
Background technology
Metal-air battery is also metal fuel battery, is substantially metal（Mainly magnesium, aluminium, zinc）With the oxygen in air
Electrochemical reaction occurs for gas.Metal-air battery critical piece includes metal pole（Anode）, air pole（Cathode）, electrolyte and electricity
Pond shell etc..
When metal-air battery works, the oxygen in air obtains electricity from the air pole of battery under the effect of the catalyst
Son becomes anion and enters electrolyte；And metal pole atom loses electronics, becomes cation and enters electrolyte；Negative ions exist
It meets in electrolyte, reaction of formation object.Therefore the distance of metal pole and air pole influences very big, specific table to cell discharge performance
It is now：Spacing is bigger, and the internal resistance of cell is bigger, and discharge power is smaller.
A kind of typical structure of existing metal-air battery, such as introduced in application number 201010525678.3：It is a kind of
Magaluma fuel cell, including shell, the cathode being located on shell（Air pole）, and the anode that is plugged in shell（Gold
Belong to pole）, enclosure interior is the storage chamber of reaction chamber and electrolyte.Other patents, such as 201521069387.2,
200910010457.X, 201511000542.X, although structure has its difference, during the reaction, metal pole and sky
The position of air exhaustion is all changeless, and under this configuration, metal pole and air pole are to be fixedly mounted with respect to battery case,
But as electric discharge carries out, metal extremely constantly consumes, falls off, that is to say, that the phase of metal pole and air pole in discharge process
It adjusts the distance and is constantly becoming larger.And be as previously mentioned, this is unfavorable for cell discharge performance.
Utility model content
The purpose of this utility model is to provide a kind of metal-air batteries that can automatically keep pole plate spacing, by reasonable
Structure design, allow metal pole and the air pole distance in battery discharge procedure to remain unchanged, maintain optimum distance always, from
And ensure the consistency of cell discharge performance.
In order to achieve the above object, the technical solution adopted in the utility model is：A kind of gold that can automatically keep pole plate spacing
Belong to air cell, including erects the shell of long cavity body structure, the electrolyte cavities in shell and be embedded in shell side lateral through aperture
In air pole, the negative pole unit parallel with air pole is provided in the shell, the negative pole unit includes being sequentially stacked on
Elastic element, metal pole and apertured partition, the apertured partition in the housing sidewall opposite with air pole are fixed in shell
Portion is simultaneously non-contact between air pole, and the metal pole is slideably positioned between elastic element and apertured partition.
The side of the apertured partition and the mode of underrun welding or buckle connect with the side wall of shell and bottom wall respectively
It connects.
The side and bottom surface of the elastic element and metal pole are contacted with the side wall of shell and bottom wall respectively, the metal pole
It can be slided on the bottom wall of shell.
It is provided with boss between the negative pole unit bottom surface and shell bottom wall, the bottom surface of the elastic element and metal pole is equal
It is placed on the top surface of boss, the hypomere of the apertured partition is fixed on the one side of boss, the apertured partition and air pole
Between lower section formed groove.
The air pole is arranged on the big side side wall of housing sidewall area, and the air pole and housing sidewall pass through card
Button or viscose glue mode form the integral structure of sealing.
The elastic element is corrugated plating or compression spring.
The metal extremely rectangular parallelepiped structure, metal pole material are any one in magnesium, zinc, aluminium and its alloy.
When metal-air battery electrochemical reaction carry out after a certain period of time, the metal pole side opposite with air pole can by by
Step corrosion so that the reaction surface of metal pole and the reaction surface distance of air pole are more and more remoter, and elastic element passes through natural resiliency power
Performance is learned, after metal pole is corroded, pushes metal pole to be moved to air pole side, to make to begin between metal pole and air pole
Pre-set optimum response distance is kept eventually；The utility model is relative to existing metal-air battery structure, by special
Structure design, allow metal pole and the air pole distance in battery discharge procedure to remain unchanged, and maintain pre-set always
Good optimum response ensure that the consistency of cell discharge performance, battery performance made to be in optimum state apart from upper.
Description of the drawings
Fig. 1 is the utility model metal-air battery structure chart；
Fig. 2 is that the utility model metal-air battery reacts structure chart after a certain period of time；
Fig. 3 is the metal-air battery structure chart that the utility model carries groove structure.
Specific implementation mode
With reference to Fig. 1 to Fig. 3, the utility model is described in further detail.
A kind of metal-air battery that can automatically keep pole plate spacing, including erect the shell 1 of long cavity body structure, be located at shell
Electrolyte cavities 2 in 1 and the air pole 3 in 1 side lateral through aperture of shell, 1 the other three side of shell are totally-enclosed, shell
The outside of 1 upper opening of body, bottom lock, air pole 3 is contacted with 1 outer air of shell, internal and 1 interior contact of shell, described
The negative pole unit 4 parallel with air pole 3 is provided in shell 1, the negative pole unit 4 includes being sequentially stacked on and 3 phase of air pole
To 1 side wall of shell on elastic element 41, metal pole 42 and apertured partition 43, the elastic element 41, metal pole 42 and band
Hole partition board 43 is parallel with air pole 3, and the apertured partition 43 is fixed on the inside of shell 1 and non-contact between air pole 3, described
Metal pole 42 is slideably positioned between elastic element 41 and apertured partition 43.
When reaction, electrolyte fills up electrolyte cavities 2, and the elastic element 41, metal pole 42, apertured partition 43 are by electrolyte
It impregnates, the electrolyte is NaCl, KCl, NaClO3, it is one or more in NaOH, KOH aqueous solution；Electrolyte quality is always dense
Degree is 3%- 50%, and when metal-air battery electrochemical reaction carries out after a certain period of time, metal pole 42 is opposite with air pole 3
Can gradually it be corroded side so that more and more remoter, the elastic element 41 of reaction surface distance of the reaction surface of metal pole 42 and air pole 3
By natural resiliency mechanical property, after metal pole 42 is corroded, metal pole 42 is pushed to be moved to 3 side of air pole, to make
Pre-set optimum response distance is remained between metal pole 42 and air pole 3；The utility model is relative to existing gold
Belong to air cell structure, by special structure design, metal pole 42 and air pole 3 distance in battery discharge procedure is allowed to keep
It is constant, and the optimum response that pre-sets is maintained always apart from upper, it ensure that the consistency of cell discharge performance, make battery
Performance is in optimum state.
The side of the apertured partition 43 and underrun welding or buckle mode respectively with the side wall and bottom wall of shell 1
Connection, apertured partition 43 are in close contact with metal pole 42, and the hole of apertured partition 43 therein makes metal pole 42 and other side electricity
Solve liquid phase connection.Magnesium metal, zinc, aluminium and its alloy can be selected in the material of metal pole 42.Metal pole 42 is rectangular parallelepiped structure, metal
With the progress of electrochemical reaction, the one side being in contact with apertured partition 43 can be corroded for pole 42.2 top of metal pole is by leading
Line is connected with inside battery circuit.
The side and bottom surface of the elastic element 41 and metal pole 42 are contacted with the side wall of shell 1 and bottom wall respectively, described
Metal pole 42 can be slided on the bottom wall of shell 1.
It is provided with boss 5, the elastic element 41 and metal pole 42 between 1 bottom wall of 4 bottom surface of the negative pole unit and shell
Bottom surface be placed on the top surface of boss 5, the hypomere of the apertured partition 43 is fixed on the one side of boss 5, described with holes
Lower section between partition board 43 and air pole 3 forms groove 6, and in electrochemical reaction, metal pole 42 can gradually be corroded, after corrosion
Portion of product can be deposited in groove 6 with precipitation form, the depth of groove 6 is arranged according to the total amount of metal pole 22, is made
The product after metal pole 42 is reacted can just be precipitated completely by obtaining 6 capacity of groove.
The air pole 3 is arranged on the big side side wall of 1 sidewall area of shell, and the air pole 3 and 1 side wall of shell are logical
It crosses buckle or viscose glue mode forms the integral structure of sealing, the air pole 3 selects metal-air battery, fuel cell common
Electrode, catalyst used by the air electrode 3 are Ag, Mn, Co, Ni, Pt, Pd, one in rare earth element or its compound
Kind or more than one combination catalyst, air pole 3 are connected by conducting wire with inside battery circuit.
The elastic element 41 is corrugated plating or compression spring, and elastic element 41 selects resilient property more excellent, and to cell reaction
The preferable material of environmental resistance.
Embodiment described above is only that preferred embodiments of the present invention are described, not to this practicality
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (7)
1. a kind of metal-air battery that can automatically keep pole plate spacing, it is characterised in that：Shell including erecting long cavity body structure
（1）, be located at shell（1）Interior electrolyte cavities（2）With embedded in shell（1）Air pole in the lateral through aperture of side（3）, the shell
（1）It is inside provided with and air pole（3）Parallel negative pole unit（4）, the negative pole unit（4）Including being sequentially stacked on and air pole
（3）Opposite shell（1）Elastic element on side wall（41）, metal pole（42）And apertured partition（43）, the apertured partition
（43）It is fixed on shell（1）Internal and and air pole（3）Between non-contact, the metal pole（42）It is slideably positioned in elastic element
（41）And apertured partition（43）Between.
2. a kind of metal-air battery that can automatically keep pole plate spacing as described in claim 1, it is characterised in that：The band
Hole partition board（43）Side and underrun welding or buckle mode respectively with shell（1）Side wall connected with bottom wall.
3. a kind of metal-air battery that can automatically keep pole plate spacing as described in claim 1, it is characterised in that：The bullet
Property element（41）With metal pole（42）Side and bottom surface respectively with shell（1）Side wall and bottom wall contact, the metal pole
（42）It can be in shell（1）Bottom wall on slide.
4. a kind of metal-air battery that can automatically keep pole plate spacing as described in claim 1, it is characterised in that：It is described negative
Pole unit（4）Bottom surface and shell（1）Boss is provided between bottom wall（5）, the elastic element（41）With metal pole（42）Bottom
Face is placed in boss（5）Top surface on, the apertured partition（43）Hypomere be fixed on boss（5）One side on, the band
Hole partition board（43）With air pole（3）Between lower section formed groove（6）.
5. a kind of metal-air battery that can automatically keep pole plate spacing as described in claim 1, it is characterised in that：The sky
Air exhaustion（3）It is arranged in shell（1）On the big side side wall of sidewall area, the air pole（3）And shell（1）Side wall passes through buckle
Or viscose glue mode forms the integral structure of sealing.
6. a kind of metal-air battery that can automatically keep pole plate spacing as described in claim 1, it is characterised in that：The bullet
Property element（41）For corrugated plating or compression spring.
7. a kind of metal-air battery that can automatically keep pole plate spacing as described in claim 1, it is characterised in that：The gold
Belong to pole（42）For rectangular parallelepiped structure, the metal pole（42）Material is any one in magnesium, zinc, aluminium and its alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329265.XU CN207883880U (en) | 2018-03-09 | 2018-03-09 | A kind of metal-air battery that can automatically keep pole plate spacing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820329265.XU CN207883880U (en) | 2018-03-09 | 2018-03-09 | A kind of metal-air battery that can automatically keep pole plate spacing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207883880U true CN207883880U (en) | 2018-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820329265.XU Active CN207883880U (en) | 2018-03-09 | 2018-03-09 | A kind of metal-air battery that can automatically keep pole plate spacing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679207A (en) * | 2020-05-09 | 2020-09-18 | 军事科学院系统工程研究院军事新能源技术研究所 | Metal-air battery and discharge test system |
-
2018
- 2018-03-09 CN CN201820329265.XU patent/CN207883880U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679207A (en) * | 2020-05-09 | 2020-09-18 | 军事科学院系统工程研究院军事新能源技术研究所 | Metal-air battery and discharge test system |
| CN111679207B (en) * | 2020-05-09 | 2023-03-14 | 军事科学院系统工程研究院军事新能源技术研究所 | Metal-air battery and discharge test system |
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