CN202217750U - Packaging structure for zinc-air battery - Google Patents
Packaging structure for zinc-air battery Download PDFInfo
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- CN202217750U CN202217750U CN2011203234351U CN201120323435U CN202217750U CN 202217750 U CN202217750 U CN 202217750U CN 2011203234351 U CN2011203234351 U CN 2011203234351U CN 201120323435 U CN201120323435 U CN 201120323435U CN 202217750 U CN202217750 U CN 202217750U
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- air
- zinc
- negative pole
- wrapping film
- anode
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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 discloses a packaging structure for a zinc-air battery, which comprises an air anode outer packaging film, an air anode, a partition film, a zinc cathode and a zinc cathode outer packaging film. The partition film is arranged between the air anode and the zinc cathode, the edge of the air anode outer packaging film and the edge of the partition film are sealed in hot-pressing mode to enclose an anode cavity, and the edge of the zinc cathode outer packaging film and the edge of the partition film are sealed in hot-pressing mode to form a cathode cavity. The zinc cathode is located in the cathode cavity, and a cathode lug extending out of the cathode cavity is welded on the zinc cathode. The air anode is located in the anode cavity, and an anode lug extending out of the anode cavity is welded on the air anode. An air inlet hole is arranged on the air anode outer packaging film, an anode support framework is arranged between the air anode outer packaging film and the air anode, and a cathode support framework is arranged between the zinc cathode outer packaging film and the zinc cathode. The packaging structure for the zinc-air battery maintains good anti-leakage performance of soft outer packaging films of the zinc-air battery, simultaneously reinforces anti-extruding strength of the battery, and ensures normal performance of the zinc-air battery.
Description
Technical field
The utility model relates to zinc-air cell, particularly the encapsulating structure 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, and it has advantages such as specific energy height, stable operating voltage, stable performance, abundant raw materials, cheap and non-environmental-pollution.
Zinc-air cell comprises air electrode shell, air electrode, barrier film, zinc electrode and zinc electrode shell; This air electrode shell and zinc electrode shell press together through the sealing ring sealing; Said 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.The shell of zinc and air cell adopts hard packings such as box hat or plastic casing usually; Press together through mechanical seal; And the electrolyte that the zinc negative material mixes is easy to cause battery leakage from the slot leakage between sheet metal shell and the barrier film, make battery deposit and there is safety problem in use.Chinese patent ZL200610170393.6 discloses a kind of preparation method of zinc-air battery; A side that is included in the battery wrapping film prepares chamber; Opposite side is beaten a plurality of holes, and it is anodal in chamber, to put into absorbing membrane, calamine cream negative pole, barrier film and air successively, folding wrapping film; Make part that wrapping film has a chamber and have the part of a plurality of apertures relative; And draw positive pole ear and negative lug respectively, and the edge of barrier film and the wrapping film edge of barrier film both sides are fitted, then that barrier film is bonding with the wrapping film hot sealing.The zinc and air cell of this method preparation is not easy leakage, however since after air is got into by a plurality of air admission holes during zinc and air cell work be along the gas passage that forms between the wrapping film that is equipped with a plurality of aperture sides and the air positive pole evenly distribution be diffused on the air positive pole; Wrapping film is soft, be extruded easily, so the gas passage that forms between it and the air positive pole can't be protected, thereby influence the chemical property of zinc and air cell.In addition, wrapping film is soft, and encapsulation zinc negative pole, air positive pole within it etc. is extruded distortion easily, influences the performance of battery performance equally.
The utility model content
The purpose of the utility model is exactly in order to overcome the existing zinc and air cell electrolyte that adopts hard shell easily from the slot leakage between sheet metal shell and the barrier film and adopt the zinc and air cell positive and negative electrode of soft wrapping film to be extruded distortion easily, and the gas passage that forms between air electrode side wrapping film and the air positive pole defective such as can't be protected and a kind of encapsulating structure that is not easy in the dead of night, the zinc and air cell of certain crush resistance strength is arranged is provided.
The zinc and air cell encapsulating structure of the utility model; Comprise the anodal wrapping film of air, air positive pole, barrier film, zinc negative pole and zinc negative pole wrapping film; Be provided with barrier film between said air positive pole and the zinc negative pole, anodal wrapping film edge of said air and diaphragm edge hot sealing surround anode chamber, and said zinc negative pole wrapping film edge and diaphragm edge hot sealing surround the negative pole chamber; Said zinc negative pole is arranged in the negative pole chamber; Be welded with negative lug on the said zinc negative pole and stretch out outside the said negative pole chamber, said air positive pole is arranged in anode chamber, is welded with positive pole ear on the said air positive pole and stretches out outside the said anode chamber; The anodal wrapping film of said air is provided with air admission hole; Said air admission hole communicates with anode chamber, it is characterized in that: be provided with the anode-supported skeleton between anodal wrapping film of air and the air positive pole in the said anode chamber, be provided with the cathode-supported skeleton between zinc negative pole wrapping film and the zinc negative pole in the said negative pole chamber.
Preferably, said positive and negative electrode support frame is the network support frame.
Preferably, the anode-supported skeleton is bonded on the anodal wrapping film of said air in the said anode chamber, and the cathode-supported skeleton is bonded on the said zinc negative pole wrapping film in the said negative pole chamber.
Preferably, said positive and negative electrode support frame all is plastics, and these plastics comprise ABS, PP or PVC.
Preferably, anodal wrapping film of said air and said zinc negative pole wrapping film are materials of the same race, are aluminum-plastic composite membrane or aluminium alloy composite plastic film.
Preferably, be provided with waterproof ventilated membrane between air positive pole and the anode-supported skeleton in the said anode chamber.
Preferably, be provided with absorbing membrane between zinc negative pole and the cathode-supported skeleton in the said negative pole chamber.
Preferably, said barrier film is the compound graft copolymer membrane of polyethylene, polypropylene or polypropylene.
Preferably, the area summation of air admission hole is 0.5%～5% with the anodal area ratio of said air on the anodal wrapping film of said air, and the pore diameter range of air admission hole is 0.5mm～1.0mm on the anodal wrapping film of said air.
Preferably, be the isosceles triangle setting of arranging on the anodal wrapping film of said air between the air admission hole.
Compared with prior art, the beneficial effect of the utility model is:
1, is provided with support frame respectively between the waterproof ventilated membrane outside the side that wrapping film has between a side and the zinc negative pole outside absorbing membrane of chamber and wrapping film has an aperture and the air positive pole; When keeping the good anti-leak performance of soft wrapping film zinc and air cell, strengthen the crush resistance strength of battery, ensured the normal performance of zinc and air cell performance.
2, through arranging and the optimization of pore diameter range to air admission hole; Solved effectively and to have arranged unreasonable and the not enough problem that influences battery performance of amount of oxygen that participate in reaction in the entering battery that causes with air admission hole because the aperture is too small; 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.
Description of drawings
Fig. 1 is the structural representation of the utility model zinc and air cell;
Fig. 2 is the front view of the utility model battery;
Wherein: 1, zinc negative pole wrapping film, 2, the zinc negative pole, 3, barrier film, 4, air is anodal; 5, the anodal wrapping film of air, 6, waterproof ventilated membrane, 7, absorbing membrane, 8, air admission hole; 9, anode-supported skeleton, 10, the cathode-supported skeleton, 11, positive pole ear, 12, negative lug.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is further specified.Should be understood that following examples only are used to the utility model is described but not the scope that is used to limit the utility model.
Like Fig. 1, shown in 2; The encapsulating structure of zinc and air cell comprises the anodal wrapping film 5 of air, air positive pole 4, barrier film 3, zinc negative pole 2 and zinc negative pole wrapping film 1, is provided with barrier film 3 between said air anodal 4 and the zinc negative pole 2; Anodal wrapping film 5 edges of said air and barrier film 3 edge hot sealings surround anode chamber; Said zinc negative pole wrapping film 1 edge and barrier film 3 edge hot sealings surround the negative pole chamber, and said zinc negative pole 2 is arranged in the negative pole chamber, are welded with negative lug 12 on the said zinc negative pole 2 and stretch out outside the said negative pole chamber; Said air anodal 4 is arranged in anode chamber; Be welded with positive pole ear 11 on the said air anodal 4 and stretch out outside the said anode chamber, 5 are provided with air admission hole 8 on the anodal wrapping film of said air, and said air admission hole 8 communicates with anode chamber; Be provided with anode-supported skeleton 9 between anodal wrapping film 5 of air and the air anodal 4 in the said anode chamber, be provided with cathode-supported skeleton 10 between zinc negative pole wrapping film 1 and the zinc negative pole 2 in the said negative pole chamber.
Said positive and negative electrode support frame the 9, the 10th, the network support frame adopts the ABS material.
The anodal wrapping film 5 of said air is a material of the same race with said zinc negative pole wrapping film 1, is aluminum-plastic composite membrane.
Said barrier film 3 is a polyethylene.
The area summation of air admission hole 8 is 0.5% with the anodal 4 areas ratio of said air on the anodal wrapping film 5 of said air, and the pore diameter range of air admission hole 8 is 0.5mm on the anodal wrapping film 5 of said air.
Be the isosceles triangle setting of arranging on the anodal wrapping film 5 of said air between the air admission hole 8.
Present embodiment is with embodiment 1, and institute's difference is:
Said positive and negative electrode support frame the 9, the 10th, the square net support frame adopts the PP material.
The anodal wrapping film 5 of said air is a material of the same race with said zinc negative pole wrapping film 1, is the aluminium alloy composite plastic film.
The area summation of air admission hole 8 is 2.5% with the anodal 4 areas ratio of said air on the anodal wrapping film 5 of said air, and the pore diameter range of air admission hole 8 is 0.8mm on the anodal wrapping film 5 of said air.
Present embodiment is with embodiment 1, and institute's difference is:
Anode-supported skeleton 9 is bonded on the anodal wrapping film 5 of said air in the said anode chamber, and cathode-supported skeleton 10 is bonded on the said zinc negative pole wrapping film 1 in the said negative pole chamber.Said positive and negative electrode support frame 9,10 adopts the PVC material.
Said barrier film 3 is a polypropylene.
The area summation of air admission hole 8 is 1.5% with the anodal 4 areas ratio of said air on the anodal wrapping film 5 of said air, and the pore diameter range of air admission hole 8 is 1.0mm on the anodal wrapping film 5 of said air.
The setting of arranging assumes diamond in shape between the air admission hole 8 on the anodal wrapping film 5 of said air.
Embodiment 4
Present embodiment is with embodiment 1, and institute's difference is:
Be provided with waterproof ventilated membrane 6 between air anodal 4 and the anode-supported skeleton 9 in the said anode chamber.
Be provided with absorbing membrane 7 between zinc negative pole 2 and the cathode-supported skeleton 10 in the said negative pole chamber.
Said barrier film 3 is the compound graft copolymer membrane of polypropylene.
The area summation of air admission hole 8 is 5% with the anodal 4 areas ratio of said air on the anodal wrapping film 5 of said air, and the pore diameter range of air admission hole 8 is 0.6mm on the anodal wrapping film 5 of said air.
Present embodiment is with embodiment 1, and institute's difference is:
The area summation of air admission hole 8 is 3.5% with the anodal 4 areas ratio of said air on the anodal wrapping film 5 of said air, and the pore diameter range of air admission hole 8 is 0.7mm on the anodal wrapping film 5 of said air.
Adopt the encapsulating structure of the foregoing description 1～5 to prepare zinc and air cell respectively, wherein:
The air positive pole by adhesives such as carbon, PTFE, catalyst mix after, be pressed on the electric conductor.
The zinc negative pole is a calamine cream; It consists of: zinc powder, gel, organic inhibitor, inorganic inhibitor, electrolyte, and wherein zinc powder is irregular the best, consumption is 50～90% (accounting for the percentage of total calamine cream weight); Electrolyte is KOH solution, and concentration is 6～9 Mol.
Encapsulating structure is with embodiment 1 in the Comparative Examples that adopts, and institute's difference is: do not have support frame.
The zinc and air cell for preparing, sealing was placed 24 hours before the discharge, and observing does not have fluid seepage; Then at room temperature carry out the capacity discharge, discharge-rate is 5 hour rates, the data such as the table 1 of test.Observe in the discharge process and do not have fluid seepage; Putting a little finishes placed after 24 hours, and observing does not have fluid seepage.Explain and adopt the zinc and air cell of this encapsulating structure to be not easy leakage.
Adopt respectively and adopt the encapsulating structure of the foregoing description 1～5 to prepare zinc and air cell respectively, wherein:
The air positive pole by adhesives such as carbon, PTFE, catalyst mix after, be pressed on the electric conductor.
The zinc negative pole is a calamine cream; It consists of: zinc powder, gel, organic inhibitor, inorganic inhibitor, electrolyte, and wherein zinc powder is irregular the best, consumption is 50～90% (accounting for the percentage of total calamine cream weight); Electrolyte is KOH solution, and concentration is 6～9 Mol.
Encapsulating structure is with embodiment 1 in the Comparative Examples that adopts, and institute's difference is: do not have support frame.
Sealing is at room temperature carried out the capacity discharge after placing after 24 hours the above-mentioned 6 kinds of zinc and air cells that are prepared into being pushed once more, and discharge-rate is 5 hour rates, and the data of test are seen table 1:
The comparison of the zinc and air cell discharge capacity that makes among table 1 embodiment 6～7
Can know by table 1, adopt the zinc and air cell extruding front and back discharge capacity of support frame structure to change not quite, explain and adopted the zinc and air cell of the utility model encapsulating structure to have certain crush resistance strength, ensure the normal performance of zinc and air cell performance.
Claims (10)
1. the encapsulating structure of zinc and air cell; Comprise the anodal wrapping film of air, air positive pole, barrier film, zinc negative pole and zinc negative pole wrapping film; Be provided with barrier film between said air positive pole and the zinc negative pole; Anodal wrapping film edge of said air and diaphragm edge hot sealing surround anode chamber, and said zinc negative pole wrapping film edge and diaphragm edge hot sealing surround the negative pole chamber, and said zinc negative pole is arranged in the negative pole chamber; Be welded with on the said zinc negative pole and stretch out the outer negative lug of said negative pole chamber; Said air positive pole is arranged in anode chamber, is welded with on the said air positive pole to stretch out the outer positive pole ear of said anode chamber, and the anodal wrapping film of said air is provided with the air admission hole that communicates with anode chamber; It is characterized in that: be provided with the anode-supported skeleton between anodal wrapping film of air and the air positive pole in the said anode chamber, be provided with the cathode-supported skeleton between zinc negative pole wrapping film and the zinc negative pole in the said negative pole chamber.
2. the encapsulating structure of zinc and air cell according to claim 1, it is characterized in that: said positive and negative electrode support frame is the network support frame.
3. the encapsulating structure of zinc and air cell according to claim 2; It is characterized in that: the anode-supported skeleton is bonded on the anodal wrapping film of said air in the said anode chamber, and the cathode-supported skeleton is bonded on the said zinc negative pole wrapping film in the said negative pole chamber.
4. according to the encapsulating structure of claim 1,2 or 3 described zinc and air cells, it is characterized in that: said positive and negative electrode support frame all is plastics, and these plastics comprise ABS, PP or PVC.
5. according to the encapsulating structure of claim 1,2 or 3 described zinc and air cells, it is characterized in that: anodal wrapping film of said air and said zinc negative pole wrapping film are materials of the same race, are aluminum-plastic composite membrane or aluminium alloy composite plastic film.
6. according to the encapsulating structure of claim 1,2 or 3 described zinc and air cells, it is characterized in that: be provided with waterproof ventilated membrane between air positive pole and the anode-supported skeleton in the said anode chamber.
7. according to the encapsulating structure of claim 1,2 or 3 described zinc and air cells, it is characterized in that: be provided with absorbing membrane between zinc negative pole and the cathode-supported skeleton in the said negative pole chamber.
8. according to the encapsulating structure of claim 1,2 or 3 described zinc and air cells, it is characterized in that: said barrier film is the compound graft copolymer membrane of polyethylene, polypropylene or polypropylene.
9. according to the encapsulating structure of claim 1,2 or 3 described zinc and air cells; It is characterized in that: the area summation of air admission hole is 0.5%～5% with the anodal area ratio of said air on the anodal wrapping film of said air, and the pore diameter range of air admission hole is 0.5mm～1.0mm on the anodal wrapping film of said air.
10. according to the encapsulating structure of claim 1,2 or 3 described zinc and air cells, it is characterized in that: be the isosceles triangle setting of arranging on the anodal wrapping film of said air between the air admission hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203234351U CN202217750U (en) | 2011-08-31 | 2011-08-31 | Packaging structure for zinc-air battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203234351U CN202217750U (en) | 2011-08-31 | 2011-08-31 | Packaging structure for zinc-air battery |
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| Publication Number | Publication Date |
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| CN202217750U true CN202217750U (en) | 2012-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203234351U Expired - Fee Related CN202217750U (en) | 2011-08-31 | 2011-08-31 | Packaging structure for zinc-air battery |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767007A (en) * | 2015-03-18 | 2015-07-08 | 九能京通(天津)新能源科技有限公司 | Soft-package zinc-air battery |
| CN104767239A (en) * | 2015-03-18 | 2015-07-08 | 九能京通(天津)新能源科技有限公司 | Portable emergency power supply |
| CN106329032A (en) * | 2016-10-11 | 2017-01-11 | 梁良 | Soft zinc-packaged air battery |
| CN106384860A (en) * | 2016-10-11 | 2017-02-08 | 梁良 | Method for preparing soft-package zinc air battery |
| CN107946701A (en) * | 2017-10-27 | 2018-04-20 | 东莞市泰有源电池科技有限公司 | A kind of zinc-air battery and method for packing |
| CN110364771A (en) * | 2018-04-10 | 2019-10-22 | 中国科学院上海硅酸盐研究所 | A kind of water system zinc ion soft-package battery and preparation method thereof |
| CN110571437A (en) * | 2018-05-16 | 2019-12-13 | 嘉兴市兆业新能源技术有限公司 | anode structure of fuel cell |
| CN112038732A (en) * | 2020-08-31 | 2020-12-04 | 宜春学院 | Zinc-air battery leakage-proof packaging structure and packaging process thereof |
-
2011
- 2011-08-31 CN CN2011203234351U patent/CN202217750U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767007A (en) * | 2015-03-18 | 2015-07-08 | 九能京通(天津)新能源科技有限公司 | Soft-package zinc-air battery |
| CN104767239A (en) * | 2015-03-18 | 2015-07-08 | 九能京通(天津)新能源科技有限公司 | Portable emergency power supply |
| CN104767239B (en) * | 2015-03-18 | 2018-03-09 | 九能京通(天津)新能源科技有限公司 | portable emergency power supply |
| CN106329032A (en) * | 2016-10-11 | 2017-01-11 | 梁良 | Soft zinc-packaged air battery |
| CN106384860A (en) * | 2016-10-11 | 2017-02-08 | 梁良 | Method for preparing soft-package zinc air battery |
| CN106329032B (en) * | 2016-10-11 | 2019-01-01 | 梁良 | A kind of Soft Roll zinc-air battery |
| CN106384860B (en) * | 2016-10-11 | 2019-02-05 | 梁百胜 | A method of preparing Soft Roll zinc-air battery |
| CN107946701A (en) * | 2017-10-27 | 2018-04-20 | 东莞市泰有源电池科技有限公司 | A kind of zinc-air battery and method for packing |
| CN110364771A (en) * | 2018-04-10 | 2019-10-22 | 中国科学院上海硅酸盐研究所 | A kind of water system zinc ion soft-package battery and preparation method thereof |
| CN110571437A (en) * | 2018-05-16 | 2019-12-13 | 嘉兴市兆业新能源技术有限公司 | anode structure of fuel cell |
| CN112038732A (en) * | 2020-08-31 | 2020-12-04 | 宜春学院 | Zinc-air battery leakage-proof packaging structure and packaging process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20120831 |