CN102931362A - Air battery case and injection molding method thereof - Google Patents
Air battery case and injection molding method thereof Download PDFInfo
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- CN102931362A CN102931362A CN2012103535470A CN201210353547A CN102931362A CN 102931362 A CN102931362 A CN 102931362A CN 2012103535470 A CN2012103535470 A CN 2012103535470A CN 201210353547 A CN201210353547 A CN 201210353547A CN 102931362 A CN102931362 A CN 102931362A
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- air cell
- cell shell
- shell
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- air
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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 invention provides an air battery case and an injection molding method thereof. The air battery case comprises a case body formed by fusion-welding two monolithic case bodies and provided with a set accommodating space, and the monolithic case bodies are polyethylene case bodies, polypropylene case bodies or ABS (Acrylonitrile Butadiene Styrene) case bodies covering the periphery of an air anode. The invention also discloses the injection molding method of the air battery case and a zinc air battery using the air battery case. The invention overcomes various defects of the prior art and realizes the advantages of excellent sealing property and difficulty in leakage, so that the service life of the air battery case is further prolonged, and the safety performance is improved.
Description
Technical field
The present invention relates to power battery technology, relate in particular to a kind of air cell shell and injection moulding process thereof.
Background technology
At present, in the process of zinc-air cell industrialization, it is injected plastics material that the zinc-air cell shell of comparative maturity adopts nylon material.This air cell shell is that nylon material is injected in the mould that accompanies air electrode, and one-shot forming makes has the housing of setting accommodation space, this this set accommodating void space and be used for placing the zinc negative pole.But, nylon material can not be fully bonding with the air electrode (usually adopting low-pressure polyethylene or low pressure polypropylene) of zinc-air cell, the air cell shell of prior art is owing to can not realize with air electrode fully bonding, cause air cell shell sealing poor, the housing leakage easily appears in battery in the process of working long hours, thereby cause potential safety hazard, the useful life of battery is short, also cause present air cell to be difficult to satisfy for example needs of oversize vehicle, limited this battery using and develop as motive-power battery.To sum up, demand urgently a kind of can be fully bonding with the air electrode of zinc-air cell, the air cell shell of easy-to-leak liquid not.
Summary of the invention
The object of the invention is to, can not be fully bonding with air electrode for above-mentioned existing air cell shell, the problem of easy-to-leak liquid, a kind of air cell shell is proposed,, the not advantage of easy-to-leak liquid, and then the long service life that prolonged air cell shell good with the realization sealing property, and improve its security performance.
For achieving the above object, the technical solution used in the present invention is: a kind of air cell shell, comprise that by the housing of setting accommodation space that has that forms after the melting welding of two monolithic housings, described monolithic housing is to be coated on air positive pole polyethylene shell, polypropylene casing or ABS(acrylonitrile, butadiene and cinnamic terpolymer all around) housing.
Further, described polypropylene is atactic copolymerized polypropene (PPR).
Further, described air cell thickness of the shell is 1.0-6.0cm.
Further, described monolithic thickness of shell is 2-9mm.
Further, the described monolithic housing outer setting that is positioned at the air positive pole has reinforcement.
Another object of the present invention is the injection moulding process that above-mentioned air cell shell also is provided, and has realized that step is simple, and air cell shell and air electrode be bonding closely, the advantage of easy-to-leak liquid not.
For achieving the above object, the technical solution used in the present invention is: a kind of injection moulding process of air cell shell may further comprise the steps:
(1), with polyethylene, polypropylene or ABS with 150t/cm
2-250t/cm
2Pressure be injected in the mould that accompanies air electrode, depanning obtains the monolithic housing behind the cooling and shaping; Preferably with polyethylene, polypropylene or ABS with 180t/cm
2-200t/cm
2Pressure be injected in the mould that accompanies air electrode;
(2), two monolithic shell rim that are oppositely arranged carried out sweat soldering or ultrasonic bonding process, two battery container edges are fully fused, make the air cell shell.
Further, the described water-cooled that is cooled to.
Further, described sweat soldering or ultrasonic bonding time are 2-120s, and welding temperature is 105-250 ℃.Preferred sweat soldering or ultrasonic bonding time are 50-100s, and welding temperature is 150-200 ℃.
Further, high pressure hot melt injection molding machine is adopted in described injection moulding.
Another object of the present invention provides a kind of zinc-air cell, has advantages of not easy-to-leak liquid.
For achieving the above object, the technical solution used in the present invention is: a kind of zinc-air cell, adopt above-mentioned air cell shell.
Air cell shell structure provided by the invention is simple, injection moulding process science, reasonable.Battery container of the present invention adopts polyethylene, polypropylene or ABS material to replace traditional nylon material to carry out the housing injection moulding, make case material and air positive electrode close adhesion, can effectively solve battery in the multiple discharge circulation, battery container and air electrode segregation phenomenon.On the other hand, cooperate sweat soldering or ultrasonic welding process, can make two monolithic housing junctions molten fully mutually.The combination of specific injected plastics material and welding procedure improves the service life cycle of zinc battery housing, effectively prevents from causing owing to the leakage of zinc battery housing the danger of short circuit; Thereby can overcome in the prior art because of bonding and the poor air cell shell easy-to-leak liquid that causes of sealing defective, to realize bonding and good airproof performance, the air cell shell is the advantage of easy-to-leak liquid not, and then has prolonged useful life, increase its security performance, be fit to be applied to the motive-power battery field.
Description of drawings
Fig. 1 is the structural representation of air cell shell of the present invention;
Fig. 2 is the three-dimensional exploded view of air cell shell.
Embodiment
Fig. 1 is the structural representation of air cell shell of the present invention; Fig. 2 is the three-dimensional exploded view of air cell shell.
The present embodiment discloses a kind of air cell shell, structure as depicted in figs. 1 and 2, this air cell thickness of the shell is 1.0cm, comprises that by the housing of setting accommodation space that has that forms after the melting welding of two monolithic housings, this is set accommodation space and is used for placing the zinc negative pole.This monolithic housing is orthogonal, and thickness is 2mm.Described monolithic housing is to be coated on air anodal 1 atactic copolymerized polypropene housing 2 all around, be coated with two above air in each monolithic housing anodal, the outer setting that the monolithic housing is positioned at air positive pole 1 has the latticed reinforcement 3 of formation, this reinforcement 3 also is polypropylene material, with the housing integrated injection molding.The present embodiment air cell housing is tried the water, the phenomenon of leakage does not occur.
The disclosed air cell thickness of the shell of the present embodiment is 6.0cm as different from Example 1, comprises that by the housing of setting accommodation space that has that forms after the melting welding of two monolithic housings, this is set accommodation space and is used for placing the zinc negative pole.The monolithic thickness of shell is 9mm, and the monolithic housing is to be coated on air positive pole polyethylene shell all around.In the situation that do not affect air cell shell load-carrying load intensity, also be provided with inside depression at the monolithic housing away near the anodal place of air (the air cell shell nozzle), when reducing injected plastics material, alleviated the weight of zinc battery housing.The present embodiment air cell housing is tried the water, the phenomenon of leakage does not occur.
In addition, can also adopt ABS to replace polyethylene as the injected plastics material of battery container.
The present embodiment discloses the injection moulding process of embodiment 1 described air cell shell, specifically may further comprise the steps:
(1), adopt high pressure hot melt injection molding machine with atactic copolymerized polypropene with 150t/cm
2Pressure in injecting head is injected into the mould that accompanies air electrode, be water-cooled to room temperature typing after depanning obtain the monolithic housing;
(2), two monolithic shell rim that are oppositely arranged being carried out ultrasonic bonding processes, the ultrasonic bonding time is 50s, and welding temperature is 150 ℃, and two battery container edges are fully fused, make and have the housing of setting accommodation space, i.e. air cell shell.
Embodiment 4
The present embodiment discloses a kind of injection moulding process of embodiment 2 described air cell shells, may further comprise the steps:
(1), adopt high pressure hot melt injection molding machine with polyethylene or ABS with 250t/cm
2Pressure be injected in the mould that accompanies air electrode, the air cooling rear depanning of but finalizing the design obtains the monolithic housing;
(2), two monolithic shell rim that are oppositely arranged carried out sweat soldering process, the sweat soldering time is 100s, welding temperature is 200 ℃, and two battery container edges are fully fused, and makes to have the housing of setting accommodation space, i.e. air cell shell.
Embodiment 5
The present embodiment discloses a kind of injection moulding process of air cell shell, may further comprise the steps:
(1), adopt high pressure hot melt injection molding machine with ABS with 200t/cm
2Pressure be injected in the mould that accompanies air electrode, the air cooling rear depanning of but finalizing the design obtains the monolithic housing that thickness is 6.5mm, the outer setting that the monolithic housing is positioned at the air positive pole has reinforcement, many reinforcement net trellis are arranged;
(2), two monolithic shell rim that are oppositely arranged being carried out sweat soldering processes, the sweat soldering time is 30s, welding temperature is 180 ℃, two battery container edges are fully fused, make and have the housing of setting accommodation space, be the air cell shell, this air cell thickness of the shell is 3.5cm.
The injection moulding of the described zinc-air cell of embodiment 3-5 has adopted polyethylene, polypropylene or ABS material and air positive electrode adhesiveness good, can effectively solve the problem that existing air cell shell and air electrode can not be fully bonding, can effectively solve battery in the multiple discharge circulation, battery container and air electrode segregation phenomenon, thereby improve the service life cycle of battery container, effectively prevented from causing owing to the battery container leakage danger of short circuit.
Embodiment 6
The present embodiment discloses a kind of zinc-air cell, comprises air positive pole, zinc negative pole and embodiment 1 or embodiment 2 described air cell shells, and described air positive pole is coated in the air cell shell, and the activity of zinc negative pole is plugged in the accommodation space of air cell shell.The disclosed zinc-air cell of this embodiment adopts the good air cell shell of sealing property, has advantages of not easy-to-leak liquid, long service life.
The present invention is not limited to the disclosed air cell shell of above-described embodiment and injection moulding process thereof, and the change of battery container shape, the change of gusset shape or setting position are all within protection range of the present invention.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a zinc-air cell shell is characterized in that, comprises that by the housing of setting accommodation space that has that forms after the melting welding of two monolithic housings, described monolithic housing is to be coated on air positive pole polyethylene shell, polypropylene casing or ABS housing all around.
2. described air cell shell according to claim 1 is characterized in that, described air cell thickness of the shell is 1.0-6.0cm.
3. described air cell shell according to claim 1 is characterized in that, described monolithic thickness of shell is 2-9mm.
4. described air cell shell according to claim 1 is characterized in that, the outer setting that described monolithic housing is positioned at the air positive pole has reinforcement.
5. described air cell shell according to claim 1 is characterized in that, described polypropylene is atactic copolymerized polypropene.
6. the injection moulding process of the described air cell shell of claim 1-5 any one is characterized in that, may further comprise the steps:
(1), with polyethylene, polypropylene or ABS with 150t/cm
2-250t/cm
2Pressure be injected in the mould that accompanies air electrode, depanning obtains the monolithic housing behind the cooling and shaping;
(2), two monolithic shell rim that are oppositely arranged carried out sweat soldering or ultrasonic bonding process, two battery container edges are fully fused, make the air cell shell.
7. the injection moulding process of air cell shell according to claim 6 is characterized in that the described water-cooled that is cooled to.
8. the injection moulding process of air cell shell according to claim 6 is characterized in that, described sweat soldering or ultrasonic bonding time are 2-120s, and welding temperature is 105-250 ℃.
9. the injection moulding process of air cell shell according to claim 6 is characterized in that, high pressure hot melt injection molding machine is adopted in described injection moulding.
10. a zinc-air cell is characterized in that, adopts the described air cell shell of claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103535470A CN102931362A (en) | 2012-09-20 | 2012-09-20 | Air battery case and injection molding method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103535470A CN102931362A (en) | 2012-09-20 | 2012-09-20 | Air battery case and injection molding method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102931362A true CN102931362A (en) | 2013-02-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103535470A Pending CN102931362A (en) | 2012-09-20 | 2012-09-20 | Air battery case and injection molding method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108258370A (en) * | 2018-01-17 | 2018-07-06 | 重庆鼎工机电有限公司 | A kind of novel monomeric aluminium-air cell |
| CN114851466A (en) * | 2022-03-31 | 2022-08-05 | 湖南西瑞尔新材料科技有限公司 | Injection molding method for battery shell |
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| US5447805A (en) * | 1994-03-15 | 1995-09-05 | Electric Fuel (E.F.L.) Ltd. | Cell for a metal-air battery |
| CN2221832Y (en) * | 1994-03-02 | 1996-03-06 | 武汉大学 | Cylindrical zinc-air battery |
| CN1233861A (en) * | 1998-04-24 | 1999-11-03 | 电子燃料有限公司 | Cell for metal-air battery |
| CN2462548Y (en) * | 2000-08-04 | 2001-11-28 | 武汉大学 | Zinc-air battery block for portable mobile telephone |
| CN2906946Y (en) * | 2006-04-11 | 2007-05-30 | 北京长力联合能源技术有限公司 | Zinc-air metallic fuel battery with structure against electrolyte leakage |
| CN201766147U (en) * | 2010-09-02 | 2011-03-16 | 上海力富新能源科技有限公司 | Zinc air battery |
-
2012
- 2012-09-20 CN CN2012103535470A patent/CN102931362A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2221832Y (en) * | 1994-03-02 | 1996-03-06 | 武汉大学 | Cylindrical zinc-air battery |
| US5447805A (en) * | 1994-03-15 | 1995-09-05 | Electric Fuel (E.F.L.) Ltd. | Cell for a metal-air battery |
| CN1233861A (en) * | 1998-04-24 | 1999-11-03 | 电子燃料有限公司 | Cell for metal-air battery |
| CN2462548Y (en) * | 2000-08-04 | 2001-11-28 | 武汉大学 | Zinc-air battery block for portable mobile telephone |
| CN2906946Y (en) * | 2006-04-11 | 2007-05-30 | 北京长力联合能源技术有限公司 | Zinc-air metallic fuel battery with structure against electrolyte leakage |
| CN201766147U (en) * | 2010-09-02 | 2011-03-16 | 上海力富新能源科技有限公司 | Zinc air battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108258370A (en) * | 2018-01-17 | 2018-07-06 | 重庆鼎工机电有限公司 | A kind of novel monomeric aluminium-air cell |
| CN114851466A (en) * | 2022-03-31 | 2022-08-05 | 湖南西瑞尔新材料科技有限公司 | Injection molding method for battery shell |
| CN114851466B (en) * | 2022-03-31 | 2023-10-13 | 湖南西瑞尔新材料科技有限公司 | Injection molding method for battery shell |
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Application publication date: 20130213 |