CN203386821U - Porcelain-sealed battery - Google Patents
Porcelain-sealed battery Download PDFInfo
- Publication number
- CN203386821U CN203386821U CN201320540794.1U CN201320540794U CN203386821U CN 203386821 U CN203386821 U CN 203386821U CN 201320540794 U CN201320540794 U CN 201320540794U CN 203386821 U CN203386821 U CN 203386821U
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- China
- Prior art keywords
- battery
- ceramic
- cover plate
- pole
- seal ring
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to the technical field of battery sealing, in particular to a porcelain-sealed battery which comprises a battery shell, a cover plate, a positive pole and a negative pole, wherein the cover plate is arranged on the battery shell; the positive and negative poles are arranged on the cover plate in an insertion way; the poles are in sealed connection with the cover plate through porcelain sealing rings which are manufactured from oxides or nitrides. The porcelain-sealed battery has high temperature resistance, high strength, high hardness, good electrical performance, thermal performance and chemical stability; due to the adoption of a high-temperature porcelain insulating sealing mode, the effective sealing service life is prolonged, and meanwhile, the service life of the battery also is prolonged.
Description
Technical field
The utility model relates to the cell sealing technical field, more specifically, relates to Sealing Technology and the structure of a kind of hybrid vehicle or power battery of pure electric automobile.
Background technology
The sealing means overwhelming majority of existing electrokinetic cell is used organic material sealing ring (as organic materials such as polyethylene, fluorubber, PFA), as Chinese patent, the patent No. is CN200420076617.3, name is called column type lithium cell with semi-sealed cell cover, it comprises the column type lithium cell main body, battery cover, plastic packaging articulamentum between battery cover and column type lithium cell main body, this patent adopts the plastic packaging articulamentum as battery cover joint, the sealing of battery has been strengthened, battery can bear larger internal pressure and not leak, and has improved the sealing of battery.Yet such sealing ring long-time use under stress and hot conditions exists ageing hardening, the possibility become fragile, thereby lose its sealing, sealing loses and can cause airborne water and oxygen to enter in battery, and battery meeting premature failure bring hidden danger also can to the security performance of battery.
Summary of the invention
Technical problem to be solved in the utility model is, provides that a kind of sealing property is better, the life-span is longer, the battery of the ceramic seal of better reliability.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of battery of ceramic seal, comprise battery container, be located at the cover plate on battery container and be plugged in the positive and negative pole on cover plate, wherein, described pole is connected with cover plate for sealing by ceramic-seal ring.
In this programme, pole and cover plate seal by ceramic-seal ring, have good high temperature resistant, high strength, high rigidity, good electrical property, hot property and chemical stability.Adopt the mode of refractory ceramics insulated enclosure to extend the useful life sealed, also extended the useful life of battery simultaneously.
Described ceramic-seal ring is oxide or nitride ceramics sealing ring.
Between described ceramic-seal ring and pole and cover plate by being welded and fixed.For better the realization, weld, described ceramic-seal ring and pole and cover plate contact position all form a metal level through metalized.
Described metal layer thickness is 0.1 ~ 100 μ m.The advantage of metal layer thickness is metal level and ceramic good bonding strength, and when thickness is greater than 100 μ m, metal level and ceramic junction are made a concerted effort can be influenced, becomes the short slab of total part.
Described positive and negative pole and ceramic-seal ring outside are protected by high polymer polypropylene protective layer or polycarbonate cover.
Described ceramic-seal ring is toroidal or circular with toroidal or the I-shaped of boss.With the toroidal of boss or I-shaped is circular guarantees and the contact area of pole and cover plate, make sealing more firmly reach reliably, sealing property is better.
Compared with prior art, the beneficial effects of the utility model are:
The utility model seals by ceramic-seal ring by pole and cover plate, has good high temperature resistant, high strength, high rigidity, good electrical property, hot property and chemical stability.Adopt the mode of refractory ceramics insulated enclosure to extend the useful life sealed, also extended the useful life of battery simultaneously.
The accompanying drawing explanation
The plan structure schematic diagram of the battery that Fig. 1 is the utility model ceramic seal;
The cross section enlarged drawing that Fig. 2 is the pole position;
Fig. 3 is pole cross section partial enlarged drawing.
Embodiment
Below in conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1, the utility model discloses a kind of battery of ceramic seal, comprise battery container, be located at the interior battery roll core of housing, be located at the interior collector plate of housing, be located at the cover plate 3 on battery container and be plugged in the positive and negative pole 1,2 on cover plate 3, positive and negative pole 1,2 is connected with collector plate by lug, wherein, described pole 1,2 is tightly connected by ceramic-seal ring 4 and cover plate 3.Battery case, comprise that the assembly outsides such as pole 1,2, ceramic-seal ring 4 can be with PP(high polymer polypropylene), the PC(Merlon) etc. organic material protected.Described ceramic-seal ring 4 is toroidal or circular with toroidal or the I-shaped of boss.
Further, described sealing ring 4 is for pottery makes, and it is that raw material is made that described pottery is with one or more metal oxides or nitride, has higher melt temperature, highly stable in oxidizing atmosphere, and higher mechanical strength, electrical insulation capability and chemical stability.In the present embodiment, described oxide ceramics is aluminium oxide, zirconia or silica.
Between described ceramic-seal ring 4 and pole 1,2 and cover plate 3 by being welded and fixed.In order to realize better welding effect, described ceramic-seal ring 4 all forms a metal level 5 through metalized with pole 1,2 and cover plate 3 contact positions, is by various process for treating surface and forms the layer of metal layer at the nonmetallic surface of ceramic-seal ring and pole and cover plate.Described metal layer material is one or more mixing in copper, aluminium, nickel, molybdenum, manganese.Described metal layer thickness is 0.1 ~ 100 μ m.The solder that soldering is used mainly one or more materials in Ag, Cu, Mg, Al, Si, Ni forms.
Described pole, cover plate materials are copper or copper alloy, and when soldering copper or copper alloy and ceramic-seal ring, welding temperature is 700 ~ 1083 ℃, need wherein a kind of in vacuum, N2, nitrogen and hydrogen mixture; Because the ceramic material surfaces structure is different from the metal material surface structure, welding often can not soak ceramic surface, can not act on it and form and firmly cohere, thereby the sealing-in of pottery and metal is a kind of special process, be metallized method: first at ceramic surface, firmly stick the layer of metal film, thereby realize the welding of pottery and metal.
In addition, if described pole, cover plate materials aluminum or aluminum alloy, when welding aluminum or aluminum alloy and ceramic-seal ring, welding temperature is 400 ~ 660 ℃, needs wherein a kind of in vacuum, N2, nitrogen and hydrogen mixture.
Perhaps, also can plate nickel dam in pole, lid surface, the technique of nickel dam and above-mentioned technique are similar.
In the present embodiment, Positive Poles 1 material is aluminum or aluminum alloy, and negative pole pole 2 materials are copper or copper alloy, and cover plate 3 materials are a kind of in aluminium, aluminium alloy or stainless steel, ceramic-seal ring 4 both sides, respectively by the mode of high-temperature process and plating, form the approximately nickel dam of 30 μ m of a layer thickness on surface.The cross section enlarged drawing that Fig. 2 is the pole position.
Production process: at first the negative pole pole is enclosed within ceramic-seal ring, evenly coating main material between ceramic-seal ring and pole is one or more in Ag, Cu, Mg, Ni, under vacuum atmosphere, high-temperature process under 1000 ℃ of conditions, allow ceramic ring and negative pole pole weld together.
The ceramic-seal ring that has welded the negative pole pole is connected with cover plate, and Positive Poles and another ceramic-seal ring and cover plate are socketed mutually, pole is at nexine, and ceramic-seal ring is in centre, cover plate is at skin, (Fig. 3 is pole cross section partial enlarged drawing) as shown in Figure 3.It is one or more in Mg, Al, Si, Ni that main material is coated in each interlayer gap equably, as shown in Fig. 35, at N
2protective atmosphere, high-temperature process under 600 ℃ of conditions, allow ceramic-seal ring and Positive Poles, and bridge welding is connected together.
Obviously, above-described embodiment of the present utility model is only for the utility model example clearly is described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.All any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection range of the utility model claim.
Claims (7)
1. the battery of a ceramic seal, comprise battery container, be located at the cover plate on battery container and be plugged in the positive and negative pole on cover plate, and it is characterized in that, described pole is connected with cover plate for sealing by ceramic-seal ring.
2. the battery of ceramic seal according to claim 1, is characterized in that, described ceramic-seal ring is oxide or nitride ceramics sealing ring.
3. the battery of ceramic seal according to claim 1, is characterized in that, between described ceramic-seal ring and pole and cover plate by being welded and fixed.
4. the battery of ceramic seal according to claim 3, is characterized in that, described ceramic-seal ring and pole and cover plate contact position all are formed with a metal level.
5. the battery of ceramic seal according to claim 4, is characterized in that, described metal layer thickness is 0.1 ~ 100 μ m.
6. the battery of ceramic seal according to claim 1, is characterized in that, described positive and negative pole and ceramic-seal ring outside are protected by high polymer polypropylene protective layer or polycarbonate cover.
7. according to the battery of the described ceramic seal of claim 1 to 6 any one, it is characterized in that, described ceramic-seal ring is toroidal or circular with toroidal or the I-shaped of boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540794.1U CN203386821U (en) | 2013-09-02 | 2013-09-02 | Porcelain-sealed battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320540794.1U CN203386821U (en) | 2013-09-02 | 2013-09-02 | Porcelain-sealed battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386821U true CN203386821U (en) | 2014-01-08 |
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ID=49875275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320540794.1U Expired - Lifetime CN203386821U (en) | 2013-09-02 | 2013-09-02 | Porcelain-sealed battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203386821U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441224A (en) * | 2013-09-02 | 2013-12-11 | 广州力柏电动科技有限公司 | Ceramic sealed battery |
| CN104733656A (en) * | 2015-03-10 | 2015-06-24 | 广州力柏电动科技有限公司 | Ceramic sealing battery |
| CN106684269A (en) * | 2017-01-19 | 2017-05-17 | 佛山市康荣精细陶瓷有限公司 | Cover plate structure for lithium battery and manufacturing method thereof |
-
2013
- 2013-09-02 CN CN201320540794.1U patent/CN203386821U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441224A (en) * | 2013-09-02 | 2013-12-11 | 广州力柏电动科技有限公司 | Ceramic sealed battery |
| CN104733656A (en) * | 2015-03-10 | 2015-06-24 | 广州力柏电动科技有限公司 | Ceramic sealing battery |
| CN106684269A (en) * | 2017-01-19 | 2017-05-17 | 佛山市康荣精细陶瓷有限公司 | Cover plate structure for lithium battery and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
|
| CX01 | Expiry of patent term |