CN201766147U - Zinc air battery - Google Patents
Zinc air battery Download PDFInfo
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- CN201766147U CN201766147U CN 201020515080 CN201020515080U CN201766147U CN 201766147 U CN201766147 U CN 201766147U CN 201020515080 CN201020515080 CN 201020515080 CN 201020515080 U CN201020515080 U CN 201020515080U CN 201766147 U CN201766147 U CN 201766147U
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- zinc
- air
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- air electrode
- described air
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Abstract
The utility model relates to a zinc air battery which comprises the following components: an air electrode housing, an air electrode, a diaphragm, a zinc electrode and a zinc electrode housing. A sealing ring is provided between the air electrode housing and the zinc electrode housing. A diaphragm is provided between the air electrode and the zinc electrode. A positive pole chamber is surrounded by the air electrode housing and the diaphragm. A negative pole chamber is surrounded by the zinc electrode housing and the diaphragm. The zinc electrode is provided in the negative pole chamber. The air electrode is provided in the positive pole chamber. The air electrode housing is provided with air inlets which are communicated with the positive pole chamber. The ratio between the area summation of air inlets and the area of the air electrode is 0.1%-10%. The hole diameter range of the air inlets is 0.3-2.0mm. Compared with the prior art, the zinc air battery has the following advantages: high utilization ratio of negative zinc electrode, good heat radiation, prevented liquid leakage and electrolyte volatilization, long storage life of battery, small battery weight, low machining cost of battery, etc.
Description
Technical field
The utility model relates to a kind of battery, especially relates to a kind of zinc-air cell.
Background technology
Zinc and air cell be a kind of with airborne oxygen as positive active material, zinc as negative electrode active material, thereby the chemical power source that electrochemical reaction produces electric energy takes place under the catalytic action of eelctro-catalyst.This battery comprises air electrode shell, air electrode, barrier film, zinc electrode and zinc electrode shell; This air electrode shell and zinc electrode shell press together by the sealing ring sealing; Described barrier film is between air electrode and zinc electrode, and air electrode shell and barrier film surround anode chamber; Zinc electrode shell and barrier film surround the negative pole chamber, and zinc electrode is arranged in the negative pole chamber, and air electrode is arranged in anode chamber, and the air electrode shell is provided with air admission hole, and air admission hole communicates with anode chamber.
A zinc and air cell in the prior art, the aperture is too small and/or pore gross area ratio is too small makes that the amount of oxygen that enters participation reaction in the battery is not enough, thereby influences battery performance.The aperture is excessive and/or pore gross area ratio is excessive, then affects the battery resting period before use and the discharge performance of battery to a great extent; Mainly show: battery is short storage life before use, is no more than 2 years usually; The air electrode side of battery easily in the dead of night; The easier outside volatilization of the electrolyte of inside battery.
CN2462548Y discloses a kind of portable mobile phone zinc-air cell piece, points out to have several air inlet holes by certain rule on air electrode shell plane, and bore dia is 0.3-1.5mm.Such pore diameter range still belongs to existing pore diameter range, there is not more effective solution to have the problems referred to above that exist in the zinc and air cell now, not pointing out also that pore is arranged in what kind of ratio and rule can make that air is more effective and enter and be evenly distributed on the air electrode, thereby make electrode reaction more abundant, more effectively improve the performance of battery, simultaneously can also suppress leakage and electrolytical volatilization effectively, better improve battery storage life before use.
Summary of the invention
The purpose of this utility model is exactly the low zinc-air cell of processing cost that a kind of utilance height, good heat dissipation, inhibition leakage and electrolyte volatilization, battery storage life-span length, battery weight and battery of negative pole zinc electrode are provided for the defective that overcomes above-mentioned prior art existence.
The purpose of this utility model can be achieved through the following technical solutions: a kind of zinc-air cell, this battery comprises the air electrode shell, air electrode, barrier film, zinc electrode and zinc electrode shell, be provided with sealing ring between described air electrode shell and the zinc electrode shell, be provided with barrier film between described air electrode and the zinc electrode, described air electrode shell and barrier film surround anode chamber, described zinc electrode shell and barrier film surround the negative pole chamber, described zinc electrode is arranged in the negative pole chamber, described air electrode is arranged in anode chamber, described air electrode shell is provided with air admission hole, described air admission hole communicates with anode chamber, it is characterized in that, the area summation of described air admission hole is 0.1%-10% with air electrode area ratio, and the pore diameter range of described air admission hole is 0.3-2.0mm.
The area summation of described air admission hole is 0.5%-8% with air electrode area ratio, and the pore diameter range of described air admission hole is 0.5-1.5mm.
The area summation of described air admission hole is 0.6%-6% with air electrode area ratio, and the pore diameter range of described air admission hole is 0.8-1.3mm.
Assume diamond in shape between the described air admission hole, square water chestnut, triangle or isosceles triangle are arranged setting.
Be the isosceles triangle setting of arranging between the described air admission hole.
Be provided with gas passage between described air electrode shell and the air electrode.
Described gas passage is provided with a porous paper.
The material of described air electrode shell is the metal of conduction, and this metal comprises stainless steel, steel or nickel plated steel strip.
The material of described air electrode shell is nonconducting plastics, and these plastics comprise ABS, PP or PVC.
Compared with prior art, the utility model has effectively improved the utilance of negative pole zinc electrode by regulating the long-pending ratio of air admission hole area summation duty pneumoelectric pole-face, can better dispel the heat simultaneously.Air admission hole is (preferred 0.8-1.3) between 0.5-1.3mm the time, solved the not enough problem that influences battery performance of the amount of oxygen that participates in reaction in the battery that enters that causes because the aperture is too small effectively, also suppress simultaneously the leakage, the electrolyte volatilization phenomenon that cause because the aperture is excessive, guaranteed prolongation battery storage life before use when cell discharge performance does not descend effectively.When air admission hole was isosceles triangle and is provided with, after air was entered by air admission hole, can distribute more uniformly along the gas passage that forms between air electrode shell and the air electrode was diffused on the air electrode.When the air electrode sheathing material was selected metal material for use, this shell can be used as the conducting end of air electrode; Select plastics for use, then can reduce the processing cost of battery weight and battery.
Description of drawings
Fig. 1 is the cutaway view of zinc air monocell;
Fig. 2 is a zinc air monocell air electrode front view;
Wherein: 1-air electrode shell, 2-sealing ring, 3-air admission hole, 4-air electrode, 5-anode chamber, 6-zinc electrode shell, 7-zinc electrode, 8-barrier film, 9-negative pole chamber, 10-salient point.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
Shown in Fig. 1-2, a kind of zinc-air cell, this battery comprises air electrode shell 1, air electrode 4, barrier film 8, zinc electrode 7 and zinc electrode shell 6, this air electrode shell 1 presses together by sealing ring 2 sealings with zinc electrode shell 6, barrier film 8 is between air electrode 4 and zinc electrode 7, air electrode shell 1 surrounds anode chamber 5 with barrier film 8, zinc electrode shell 6 surrounds negative pole chamber 9 with barrier film 8, zinc electrode 7 is arranged in negative pole chamber 9, air electrode 4 is arranged in anode chamber 5, air electrode shell 1 is provided with a plurality of air admission holes 3, and a plurality of air admission holes 3 communicate with anode chamber 5, and air electrode shell 1 central authorities are provided with the salient point 10 of positive electrode.
The area summation of a plurality of air admission holes 3 is 6% with air electrode 4 areas ratio on the air electrode shell 1, air admission hole 3 apertures are 1.3mm, be the isosceles triangle setting of arranging between a plurality of air admission holes 3, after air is entered by a plurality of air admission holes 3, be diffused on the air electrode 4 along even distribution of the gas passage that forms between air electrode shell 1 and the air electrode 4.A porous paper can also be set on this gas passage, make air further be evenly distributed on the air electrode by this paper.This air electrode shell 1 material is a stainless steel, and it mainly acts on is that support frame as air electrode 4 provides the air admission passage for air electrode 4 simultaneously.
A kind of zinc-air cell, the area summation of a plurality of air admission holes is 5.5% with air electrode area ratio on its air electrode shell, the air admission hole aperture is 1.0mm, the setting of arranging triangular in shape between a plurality of air admission holes, all the other are with embodiment 1.
A kind of zinc-air cell, the area summation of a plurality of air admission holes is 0.6% with air electrode area ratio on its air electrode shell, the air admission hole aperture is 0.8mm, the setting of arranging that assumes diamond in shape between a plurality of air admission holes, all the other are with embodiment 1.
A kind of zinc-air cell, the area summation of a plurality of air admission holes is 8% with air electrode area ratio on its air electrode shell, the air admission hole aperture is 1.5mm, the side of the being water chestnut setting of arranging between a plurality of air admission holes, all the other are with embodiment 1.
A kind of zinc-air cell, the area summation of a plurality of air admission holes is 0.5% with air electrode area ratio on its air electrode shell, the air admission hole aperture is 0.5mm, the setting of arranging triangular in shape between a plurality of air admission holes, all the other are with embodiment 1.
A kind of zinc-air cell, the area summation of a plurality of air admission holes is 10% with air electrode area ratio on its air electrode shell, and the air admission hole aperture is 2.0mm, and all the other are with embodiment 1.
Embodiment 7
A kind of zinc-air cell, the area summation of a plurality of air admission holes is 0.1% with air electrode area ratio on its air electrode shell, the air admission hole aperture is 0.3mm, the side of the being water chestnut setting of arranging between a plurality of air admission holes, all the other are with embodiment 1.
Claims (9)
1. zinc-air cell, this battery comprises the air electrode shell, air electrode, barrier film, zinc electrode and zinc electrode shell, be provided with sealing ring between described air electrode shell and the zinc electrode shell, be provided with barrier film between described air electrode and the zinc electrode, described air electrode shell and barrier film surround anode chamber, described zinc electrode shell and barrier film surround the negative pole chamber, described zinc electrode is arranged in the negative pole chamber, described air electrode is arranged in anode chamber, described air electrode shell is provided with air admission hole, described air admission hole communicates with anode chamber, it is characterized in that, the area summation of described air admission hole is 0.1%-10% with air electrode area ratio, and the pore diameter range of described air admission hole is 0.3-2.0mm.
2. a kind of zinc-air cell according to claim 1 is characterized in that, the area summation of described air admission hole is 0.5%-8% with air electrode area ratio, and the pore diameter range of described air admission hole is 0.5-1.5mm.
3. a kind of zinc-air cell according to claim 1 and 2 is characterized in that, the area summation of described air admission hole is 0.6%-6% with air electrode area ratio, and the pore diameter range of described air admission hole is 0.8-1.3mm.
4. a kind of zinc-air cell according to claim 1 is characterized in that, assumes diamond in shape between the described air admission hole, square water chestnut, triangle or isosceles triangle are arranged setting.
5. a kind of zinc-air cell according to claim 4 is characterized in that, is the isosceles triangle setting of arranging between the described air admission hole.
6. a kind of zinc-air cell according to claim 1 is characterized in that, is provided with gas passage between described air electrode shell and the air electrode.
7. a kind of zinc-air cell according to claim 6 is characterized in that, described gas passage is provided with a porous paper.
8. a kind of zinc-air cell according to claim 1 is characterized in that, the material of described air electrode shell is the metal of conduction, and this metal comprises stainless steel, steel or nickel plated steel strip.
9. a kind of zinc-air cell according to claim 1 is characterized in that, the material of described air electrode shell is nonconducting plastics, and these plastics comprise ABS, PP or PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020515080 CN201766147U (en) | 2010-09-02 | 2010-09-02 | Zinc air battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020515080 CN201766147U (en) | 2010-09-02 | 2010-09-02 | Zinc air battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766147U true CN201766147U (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020515080 Expired - Fee Related CN201766147U (en) | 2010-09-02 | 2010-09-02 | Zinc air battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201766147U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931362A (en) * | 2012-09-20 | 2013-02-13 | 北京九能京通新能源科技有限公司 | Air battery case and injection molding method thereof |
| CN103219563A (en) * | 2013-04-12 | 2013-07-24 | 安徽德擎电池科技有限公司 | Zinc air battery with microporous membrane |
| CN106384860A (en) * | 2016-10-11 | 2017-02-08 | 梁良 | Method for preparing soft-package zinc air battery |
| CN111725590A (en) * | 2020-08-03 | 2020-09-29 | 广州鹏辉能源科技股份有限公司 | air battery |
-
2010
- 2010-09-02 CN CN 201020515080 patent/CN201766147U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931362A (en) * | 2012-09-20 | 2013-02-13 | 北京九能京通新能源科技有限公司 | Air battery case and injection molding method thereof |
| CN103219563A (en) * | 2013-04-12 | 2013-07-24 | 安徽德擎电池科技有限公司 | Zinc air battery with microporous membrane |
| CN106384860A (en) * | 2016-10-11 | 2017-02-08 | 梁良 | Method for preparing soft-package zinc air battery |
| CN106384860B (en) * | 2016-10-11 | 2019-02-05 | 梁百胜 | A method of preparing Soft Roll zinc-air battery |
| CN111725590A (en) * | 2020-08-03 | 2020-09-29 | 广州鹏辉能源科技股份有限公司 | air battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20160902 |