CN203277514U - Non-water-electrolyte secondary battery - Google Patents

Non-water-electrolyte secondary battery Download PDF

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Publication number
CN203277514U
CN203277514U CN2013203286849U CN201320328684U CN203277514U CN 203277514 U CN203277514 U CN 203277514U CN 2013203286849 U CN2013203286849 U CN 2013203286849U CN 201320328684 U CN201320328684 U CN 201320328684U CN 203277514 U CN203277514 U CN 203277514U
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China
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film
housing parts
battery
cap
battery case
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Expired - Fee Related
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CN2013203286849U
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Chinese (zh)
Inventor
朱成绩
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NINGBO SONGJIANG BATTERY CO Ltd
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NINGBO SONGJIANG BATTERY CO Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Secondary Cells (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

The utility model discloses a non-water-electrolyte secondary battery. The non-water-electrolyte secondary battery is characterized in that a battery case is provided with a cylindrical barrel-shaped case part and an elliptical plate-shaped cover part; the case part is internally provided with a collector plate I and a collector plate II which are connected with a positive electrode terminal and a negative electrode terminal; the cover part can be embedded in the upper end opening part of the case part, and the positive electrode terminal and the negative electrode terminal on the case part can protrude from an opening hole of the cover part; the case part and the cover part are respectively provided with a film. The non-water-electrolyte secondary battery provided by the utility model has the beneficial effects of being simple in structure, low in cost and beautiful and elegant in appearance, preventing the outer case of the battery from being corroded effectively, and being convenient and practical.

Description

Rechargeable nonaqueous electrolytic battery
Technical field
The utility model relates to the electric supply installation in a kind of daily life, a kind of especially rechargeable nonaqueous electrolytic battery.
Background technology
Traditional rechargeable nonaqueous electrolytic battery, especially large specification class, be often used as and be assembled battery.Therefore, battery case is coated with the heat-shrinkable tube that vinyl chloride resin or TPO synthetic resin or analog are made, when when heating pipe can shrink and make battery case around be in electric insulating state.Immerse and to become wet in seawater or water if be coated with the battery case of heat-shrinkable tube, seawater or water can penetrate in the gap of heat-shrinkable tube and battery case by an end of heat-shrinkable tube, and making seawater or water accumulate in the gap for a long time can not go out.Reveal in addition to drip and also often easily accumulate in the gap of heat-shrinkable tube and battery case.Therefore, when long-time the accumulation when seawater or water are arranged in the gap, there is the risk of the leakage of electrolytic solution in the battery case that alloy material is made, and seawater or water can corrode aluminum alloy materials and make and occur hole on battery case.Especially when rechargeable nonaqueous electrolytic battery was used Yu Haiyang, aviation or similar applications, it is more obvious that the problems referred to above can become.
The utility model content
The purpose of this utility model has been to provide a kind of rechargeable nonaqueous electrolytic battery through improvement, in order to solve above-mentioned existing issue.
The technical solution of the utility model is as follows: a kind of rechargeable nonaqueous electrolytic battery is characterized in that: housing parts and the cap that ellipse is tabular that a cylindrical tubular is arranged on the battery case of described rechargeable nonaqueous electrolytic battery; There are collector plate one and collector plate two in the inside of described housing parts, and it is connected with negative pole end with positive terminal.
Described cap can be fitted to the upper end open part of housing parts, and the positive terminal on housing parts and negative pole can be outstanding from the open pore of cap.
Thin film is arranged respectively on described housing parts and cap.
The beneficial effects of the utility model are: simple in structure, with low cost, good looking appearance is generous, and has prevented that effectively battery case is corroded, and is convenient and practical.
Description of drawings
Fig. 1 shows the perspective view of first to the 3rd the utility model example and shows the shell structure of rechargeable nonaqueous electrolytic battery;
Fig. 2 is the local cutaway view that amplifies of of first to the 3rd the utility model example, and the outer surface that housing is shown has a skim;
Fig. 3 is a perspective view of small-sized rechargeable nonaqueous electrolytic battery structure;
Fig. 4 is a perspective view of large-scale rechargeable nonaqueous electrolytic battery structure.
Indicate in figure: 1, battery case, 11, housing parts, 12, cap, 2, collector plate one, 3, collector plate two, 4, positive terminal, 5, negative pole end, 6, film.
Embodiment
By reference to the accompanying drawings, the utility model is described in further detail.
As shown in the figure, the utility model rechargeable nonaqueous electrolytic battery is characterized in that: housing parts 11 and the cap 12 that ellipse is tabular that a cylindrical tubular is arranged on the battery case 1 of described rechargeable nonaqueous electrolytic battery; There are collector plate 1 and collector plate 23 in the inside of described housing parts 11, and it is connected with negative pole end 5 with positive terminal 4.Described cap 12 can be fitted to the upper end open part of housing parts 11, and the positive terminal on housing parts 11 4 and negative pole end 5 can be outstanding from the open pore of cap 12.On described housing parts 11 and cap 12, thin film 6 is arranged respectively.
As shown in the figure, the utility model provides a kind of battery that has battery case to surround, and the matter material of battery case is mainly aluminum or aluminum alloy, the film that has one deck synthetic resin to make in the outside of shell.The battery case outside is coated with the film that one deck synthetic resin is made, not only make battery case be in electric insulating state, and can avoid the aluminum or aluminum alloy battery case to be corroded, because seawater or water can not directly touch aluminum or aluminum alloy system battery case.Certainly, this utility model provides again a kind of battery that has battery case to surround in addition, and the matter material of battery case is mainly aluminum or aluminum alloy, the film that has one deck ceramic coating to make in the outside of shell.Therefore, the battery case outside is coated with the film that one deck ceramic coating is made, seawater or water not only makes battery case be in electric insulating state, and can avoid the aluminum or aluminum alloy battery case to be corroded, because can not directly touch aluminum or aluminum alloy system battery case.In addition, this ceramic material is the strong coating material of anti-fissility, and ceramic material not only has electric insulation and corrosion resistant characteristic, and ceramic coating material can firmly be attached to the surface of aluminum or aluminum alloy material.Except above-mentioned two kinds of examples, also mentioned a kind of battery that has battery case to surround in the utility model, the matter material of battery case is mainly aluminum or aluminum alloy, has one deck to form the alumina layer film of processing through film in the outside of shell.Therefore, the battery case outside is coated with one deck through the aluminum oxide film of oxidation processes, seawater or water not only makes battery case be in electric insulating state, and can avoid the aluminum or aluminum alloy battery case to be corroded, because can not directly touch aluminum or aluminum alloy system battery case.Aluminum oxide film is the strong coating material of anti-fissility in addition, has electric insulation and corrosion resistant characteristic, forms alumina layer after directly the shell process film formation of aluminum or aluminum alloy matter material being processed.In addition, in the foregoing description, the battery case film be ceramic coating or aluminum oxide coating layer preferably add again one deck film of synthetic resin.Therefore, add in addition one deck synthetic resin and not only avoided the aluminum or aluminum alloy battery case to be corroded outside pottery or alumina layer, and strengthened the characteristic of its electric insulation.In addition, film of synthetic resin can be protected pottery or aluminum oxide film.In addition, micropore ceramics or aluminum oxide film have also improved the adhesion characteristics of synthetic resin.In above-described battery, the film that synthetic resin is made preferably mixes to prevent that aluminium is corroded with rust inhibitor.The film that synthetic resin is made covers that battery case is outer just can avoid the aluminum or aluminum alloy battery case to be corroded.
Fig. 1 and 2 is first example of the present utility model, and wherein Fig. 1 is nonaqueous electrolyte secondary cell shell mechanism perspective view.Fig. 2 is the local cutaway view that amplifies of of the utility model example, and the outer surface that housing is shown has a skim.Fig. 1 and 2 and Fig. 3 and 4 corresponding component parts have identical function.As shown in Figure 1, the battery case 1 of rechargeable nonaqueous electrolytic battery has the oval tabular cap 12 of 11, one aluminium alloy matter materials of cylindrical tubular housing parts of an aluminium alloy matter material.The electrical production original paper does not illustrate, but is connected with negative pole end 5 with positive terminal 4 with collector plate 23 by collector plate 1, is positioned at the inside of housing parts 11.On the other hand, cap 12 is fitted to the upper end open part of housing parts 11 and bond vitrified on housing parts 11, and coupling part wherein is by laser welding, thereby with the inner seal of housing parts 11.Positive terminal 4 and negative pole end 5 from the outstanding rear sealing of the open pore of cap 12, make it be in electric insulating state respectively.Be coated with respectively synthetic resin on housing parts 11 and cap 12, one deck film of synthetic resin is just arranged respectively on housing parts 11 and cap 12 like this.In this utility model example, the thickness of synthetic resin is preferably in the 10um-500um scope, and the best is 50um-300um.Synthetic resin can be acrylic resin, the polyurethanes resin, and silicone based resin or similar material, these resins are dissolvable in water in organic solvent, coating and heat drying in room temperature; Also can be with room temperature or a kind of two-part epoxy resin of heating means polymerization or other similar methods.Housing parts 11 and cap 12 can heat under the high temperature of 200 ℃-300 ℃ before assembling in addition.Thermal curable synthetic resin such as polyimides, phenolic resins, polyamide-imides or analog also can use as synthetic resin.In addition, synthetic resin can hinder the welding of aluminum alloy materials lf, therefore remove when the synthetic resin of the upper end open edge of housing parts 11 and cap 12 outer surface circumferences need to be in laser welding, most preferred scheme is first to weld and then use synthetic resin.The outer surface of above-mentioned rechargeable nonaqueous electrolytic battery shell 1 is coated with synthetic resin film 6.Therefore, when the combination of a plurality of such rechargeable nonaqueous electrolytic batteries was used as battery pack, each battery case was electrically insulated from each other.In addition, rechargeable nonaqueous electrolytic battery immerses seawater or water becomes when wetting, and film 6 can protect the aluminum alloy materials battery case directly to contact with seawater or water, has eliminated the risk that aluminum alloy materials is corroded.After the housing parts 11 of rechargeable nonaqueous electrolytic battery is installed to cap 12 by laser welding, then in the scheme of outer surface adduction resin layer, positive terminal 4 and negative pole end 5 are covered, so there is no synthetic resin layer on positive terminal 4 and negative pole end 5.Add the synthetic resin layer after installing in secondary battery, this coating can play reinforcement effect, can be added with resin bed in the laser welding part.Yet in this case, can not use hot curing synthetic resin, should be after the rechargeable nonaqueous electrolytic battery installation and can not expose at high temperature for a long time again.
In addition, can add rust inhibitor to be corroded to prevent aluminium in synthetic resin.Rust inhibitor can be alkaline-earth metals oxide, as aluminium oxide, and zirconia, magnesium oxide can adsorb hydrofluoric acid (HF), magnesium hydroxide or aluminium, magnalium carbonate.Can contain hydrofluoric acid in the electrolyte solution of rechargeable nonaqueous electrolytic battery.In synthetic resin, the composition of rust inhibitor accounts for 0.1%-50% of volume.Therefore, use synthetic resin mixing rust inhibitor can adsorb hydrofluoric acid, can prevent from being corroded, because electrolyte solution can let out from the opposite side of rechargeable nonaqueous electrolytic battery group when hydrofluoric acid contacts the outer surface of rechargeable nonaqueous electrolytic battery.
Second example of this utility model is described below, and second example building block is identical with the function of corresponding parts of first example illustrated in figures 1 and 2.Similar to first example, the battery case 1 of rechargeable nonaqueous electrolytic battery comprises the housing parts 11 of a hydrostatic column shape, is made by aluminium alloy; The oval tabular cap 12 of an aluminium alloy matter material.Yet ceramic membrane 6 first covers on housing parts 11 and the corresponding outer surface of cap 12 in this example.In this example, the thickness of ceramic membrane is preferably in the 10um-500um scope, and the best is 50um-300um.Ceramic coating is a kind of technology, is used to form the film 6 of pottery, and on its surface that covers base material is had.Then, by with the ceramic material of plasma spraying fusing on housing parts 11 and cap 12.Ceramic material has aluminium oxide (alundum (Al2O3)) coating outward, and in general the easy melting of aluminium oxide, zirconia or analog also is used for ceramic membrane.Yet ceramic membrane 6 can hinder cap 12 is welded to the upper end open part of housing parts 11 by lf.Therefore, ceramic membrane 6 need to first be applied in before laser welding on housing parts 11 and cap 12, but does not comprise upper end open edge and the cap 12 outer surface circumferences of housing parts 11.If not need to before welding, the upper end open edge of housing parts 11 and the ceramic layer of cap 12 outer surface circumferences be removed.Be preferably in and after laser welding is completed, welding portion added ceramic coating.The outer surface of above-mentioned rechargeable nonaqueous electrolytic battery shell 1 is coated with ceramic membrane 6.Therefore, when the combination of a plurality of such rechargeable nonaqueous electrolytic batteries was used as battery pack, each battery case was electrically insulated from each other.In addition, rechargeable nonaqueous electrolytic battery immerses seawater or water becomes when wetting, and film 6 can protect the aluminum alloy materials battery case directly to contact with seawater or water, has eliminated the risk that aluminum alloy materials is corroded.Ceramic material is a kind of inorganic material, and As time goes on its corrosion-resistant and characteristic electric insulation can not go bad.In addition, the ceramic membrane 6 that aluminium oxide is arranged is the strong coating materials of stripper-resistance, and alumina ceramic membrane is close to the outer surface of aluminium alloy.Because aluminium oxide can adsorb hydrofluoric acid.The battery case 1 of the non-hydrolyte secondary cell of aluminium alloy matter material can be used for preventing the corrosion of hydrofluoric acid contact outer surface, because electrolyte solution can let out from the opposite side of rechargeable nonaqueous electrolytic battery group.In alternate example, can select housing parts 11 and the cap 12 of first assembling rechargeable nonaqueous electrolytic battery with laser welding, then add ceramic coating at its outer surface.Positive terminal 4 and negative pole end 5 are covered in this example, so there is no ceramic membrane on positive terminal 4 and negative pole end 5.Can add ceramic membrane after installing in secondary battery, this coating can play reinforcement effect.
In first and second example, film 6 is formed on the outer surface of housing parts 11 and cap 12.If film 6 also is added in the inner surface of housing parts 11 and cap 12, hydrofluoric acid contained in the electrolyte of rechargeable nonaqueous electrolytic battery just can be adsorbed by film, can prevent that the battery case inner surface from being corroded by hydrofluoric acid.Below described be the 3rd example of this utility model, in this example, its building block is identical with the function of corresponding parts of first example illustrated in figures 1 and 2.Similar to first example, the battery case 1 of rechargeable nonaqueous electrolytic battery comprises the housing parts 11 of a hydrostatic column shape, is made by aluminium alloy; The oval tabular cap 12 of an aluminium alloy matter material.Yet, have in this example one deck to form through film the oxide film 6 of processing and cover in advance on housing parts 11 and the corresponding outer surface of cap 12.For example, during oxide-film formed and processes, anodised housing parts 11 and cap 12 at electrolyte made the surperficial oxidized of them.Yet oxide film 6 can hinder cap 12 is welded to the upper end open part of housing parts 11 by lf.Therefore, the upper end open edge of housing parts 11 and cap 12 outer surface circumferences need to be covered in advance to prevent that it is oxidized before oxidation, if not need the upper end open edge of housing parts 11 and the part of cap 12 oxidations of outer surface circumference are removed in the laser welding reach.Be preferably in and after laser welding is completed, welding portion added oxide-film.
The outer surface of above-mentioned rechargeable nonaqueous electrolytic battery shell 1 is coated with oxide film 6.Therefore, when the combination of a plurality of such rechargeable nonaqueous electrolytic batteries was used as battery pack, each battery case was electrically insulated from each other.In addition, rechargeable nonaqueous electrolytic battery immerses seawater or water becomes when wetting, and film 6 can protect the aluminum alloy materials battery case directly to contact with seawater or water, has eliminated the risk that aluminum alloy materials is corroded.Oxide-film is a kind of inorganic material, and As time goes on its corrosion-resistant and characteristic electric insulation can not go bad.In addition, oxide-film is the strong coating material of stripper-resistance, and oxide-film is close to the outer surface of aluminium alloy.Because oxide-film can adsorb hydrofluoric acid.The battery case 1 of the rechargeable nonaqueous electrolytic battery of aluminium alloy matter material can be used for preventing the corrosion of hydrofluoric acid contact outer surface, because electrolyte solution can let out from the opposite side of rechargeable nonaqueous electrolytic battery group.The thickness of oxide-film is preferably in the 1um-100um scope, and the best is 5um-30um.If thickness low LCL, erosion-resisting performance will weaken.If thickness is blocked up, production cost will increase.Oxide-film also can form by the inner surface of anodic oxidation at housing parts 11 and cap 12 in addition, and hydrofluoric acid contained in the electrolyte of non-hydrolyte secondary cell can adsorb by oxidized film, is corroded by hydrofluoric acid to prevent the battery case inner surface.In alternate example, can select housing parts 11 and the cap 12 of first assembling non-hydrolyte secondary cell with laser welding, then add oxidation film layer at its outer surface.Positive terminal 4 and negative pole end 5 are covered in this example, so there is no oxide-film on positive terminal 4 and negative pole end 5.Can add oxide film after battery pack installs into, this oxide covering can play reinforcement effect.Yet in this example, the inner surface of housing parts 11 and cap 12 does not have oxide-film 6.Film of synthetic resin 6 can be added to housing parts 11 and cap 12 outer surfaces of existing one deck ceramic membrane or oxide-film again.In addition, above-mentioned rust inhibitor may be mixed in in film of synthetic resin.Above-described method is not only eliminated the risk that aluminum alloy materials is corroded, and has strengthened the insulating properties of battery case 1.In addition, due to ceramic membrane or oxide film 6 high rigidity, frangible character, the flexible membrane that has one deck synthetic resin to make covers can protect pottery or pellumina film on ceramic membrane or oxide-film.Because ceramic membrane or oxide film 6 are porous, can strengthen the adhesiveness of synthetic resin.The thickness of synthetic resin is restriction not, but is preferably in the 10um-500um scope, and the best is 50um-300um.If thickness low LCL, erosion-resisting performance will weaken.If thickness is blocked up, the heat-radiating properties of battery will reduce and production cost can increase.Although first, have film to cover on the housing parts 11 and cap 12 of large-scale rechargeable nonaqueous electrolytic battery in second, the 3rd example, the structure type of battery case 1 is unrestricted.Although the battery case in above-mentioned example is but that made by aluminium alloy also can be by the fine aluminium manufacturing.Although the film in above-mentioned example has covered the hull outside of whole battery, if battery case 1 self can form electrode, can be that part has film to cover, small electrolytic electrolitc secondary cell as shown in Figure 3.

Claims (3)

1. rechargeable nonaqueous electrolytic battery is characterized in that:
Housing parts (11) and the cap (12) that ellipse is tabular that a cylindrical tubular is arranged on the battery case of described rechargeable nonaqueous electrolytic battery (1);
There are collector plate one (2) and collector plate two (3) in the inside of described housing parts (11), and it is connected with negative pole end (5) with positive terminal (4).
2. rechargeable nonaqueous electrolytic battery according to claim 1, it is characterized in that: described cap (12) can be fitted to the upper end open part of housing parts (11), and the positive terminal (4) on housing parts (11) and negative pole end (5) can be outstanding from the open pore of cap (12).
3. rechargeable nonaqueous electrolytic battery according to claim 1, is characterized in that: on described housing parts (11) and cap (12), thin film (6) is arranged respectively.
CN2013203286849U 2013-06-08 2013-06-08 Non-water-electrolyte secondary battery Expired - Fee Related CN203277514U (en)

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Application Number Priority Date Filing Date Title
CN2013203286849U CN203277514U (en) 2013-06-08 2013-06-08 Non-water-electrolyte secondary battery

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Application Number Priority Date Filing Date Title
CN2013203286849U CN203277514U (en) 2013-06-08 2013-06-08 Non-water-electrolyte secondary battery

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CN203277514U true CN203277514U (en) 2013-11-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105896797A (en) * 2016-06-22 2016-08-24 无锡市东特机械科技有限公司 Shell of large generator set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105896797A (en) * 2016-06-22 2016-08-24 无锡市东特机械科技有限公司 Shell of large generator set

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131106

Termination date: 20140608