CN205657098U - Ceramic seal battery - Google Patents
Ceramic seal battery Download PDFInfo
- Publication number
- CN205657098U CN205657098U CN201620450900.0U CN201620450900U CN205657098U CN 205657098 U CN205657098 U CN 205657098U CN 201620450900 U CN201620450900 U CN 201620450900U CN 205657098 U CN205657098 U CN 205657098U
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- Prior art keywords
- ceramic
- seal ring
- battery
- ceramic seal
- seal
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Abstract
The utility model discloses a ceramic seal battery, including battery case, have electrode accommodating aperture's apron and run through the electrode post of the mounting hole of apron perpendicularly, ceramic seal battery is still including the ceramic seal ring that is located the mounting hole of apron, this ceramic seal ring is established at the electrode post outsidely along the axial direction cover of electrode post, be equipped with the block groove on the periphery lateral wall of ceramic seal ring, this block groove along the radial direction setting and the end to end of ceramic seal ring, the apron block is at this block inslot, and between ceramic seal ring and the electrode post, and the ceramic seal ring with lap between to be provided with the ceramic seal gluey. Adopt the utility model discloses an above -mentioned ceramic seal battery is with sealed through the ceramic seal ring between electrode post and the apron. Sealed service life has been prolonged on the one hand, paste through the close adhesive layer of pottery between the on the other hand, ceramic seal ring and electrode post and apron, sealed with connect inseparabler, and battery security height.
Description
Technical field
This utility model relates to technology cell sealing technical field, particularly relates to a kind of ceramic seal battery.
Background technology
In electrokinetic cell prepares link, cover plate position is installed the gap sealing after electrode the most important, because the sealing structure that used of cell sealing and mode directly determine effect and the battery life of sealing.Wherein,
The sealing of the first generation in early days uses beats electrode hole on battery cover board, then inserts electrodes in hole, about stays the gap of 2mm, and filled by gap glass dust, by battery in 550 after filling between electrode and cover plateoCool down realization after C fusing to be tightly connected.But the seal glass material that the mode of this sealing uses easily is corroded by the lithium hexafluoro phosphate in battery, and the mechanical tenacity of glass self and intensity are not enough, the most less use.
Use at home more be the PFA/ fluorubber encapsulation of the second filial generation, the process of encapsulation is to beat electrode hole on battery cover board, then insert electrodes in hole, about staying the gap of 3mm between electrode and cover plate, the sealing ring made by PFA/ fluorubber material is colded pressing in gap until sealing ring realizes sealing in being expressed to groove.But in which, on the one hand the organic material such as PFA/ fluorubber is flexible material, under dynamic operating mode, has the sealing ring of 2 ~ 3% to create elastic deformation, sealing in the use of further battery is made to reduce consequently, it is possible to cause electrolyte to be revealed.On the other hand, this sealing ring uses the organic materials such as the PFA/ fluorubber long-time meeting of use ageing hardening under stress and hot conditions, thus lose its sealing and cause the water in air and oxygen to enter in battery, battery meeting premature failure, bring hidden danger the most also can to the security performance of battery.
Utility model content
Deficiency based on above-mentioned cell sealing, main purpose of the present utility model is to provide that a kind of sealing property is more preferable, the life-span is longer, the ceramic seal battery of better reliability.
For achieving the above object, the ceramic seal battery that this utility model provides, the cover plate that including battery container, there is electrode mounting hole and the electrode column of the installing hole extending vertically through described cover plate, described ceramic seal battery also includes the ceramic-seal ring being positioned at the installing hole of described cover plate, and this ceramic-seal ring is set in outside electrode column along the axial direction of described electrode column；
The outer peripheral sidewall of described ceramic-seal ring is provided with slot, and this slot is arranged and end to end along the radial direction of described ceramic-seal ring, and described cover plate is fastened in this slot；
Ceramic seal glue it is provided with between described ceramic-seal ring and electrode column and between described ceramic-seal ring and cover plate.
Above-mentioned ceramic seal battery of the present utility model, will be sealed by ceramic-seal ring between electrode column and cover plate.The ceramic material of itself has good high temperature resistant, high intensity, high rigidity, good electrical property, hot property and chemical stability, uses the mode of high-temperature ceramics insulated enclosure on the one hand to extend the useful life of sealing, also extends the service life of battery；On the other hand, pasted by ceramic seal glue-line between ceramic-seal ring and electrode column and cover plate, this ceramic seal glue-line use liquid glue formed and can arbitrarily paste, it is possible to allow ceramic-seal ring firmly with electrode column and cover plate compact siro spinning technology.And by the way of glue-line is pasted, to thickness of workpiece difference without strictly limiting, moreover it is possible to allow battery work the most normally in the environment of producing high temperature.
Preferably, the mixing of a kind of or at least two during the material of described ceramic-seal ring is aluminium oxide, zirconium oxide, silicon oxide ceramics, silicon nitride or aluminium nitride.
Preferably, the side surface of described electrode column being provided with card convex, the top card of described ceramic-seal ring is combined in this card convex.
Preferably, described electrode column is provided with the coat of metal with the composition surface of ceramic-seal ring and/or the composition surface of described cover plate and ceramic-seal ring.
Preferably, one or more during the described coat of metal is gold, silver, copper, chromium, stannum, nickel.
Preferably, being provided with collector plate in described housing, described electrode column is connected with this collector plate by lug.
Accompanying drawing explanation
Fig. 1 is the structural representation of ceramic seal battery of the present utility model；
Fig. 2 is A portion enlarged drawing in Fig. 1；
Fig. 3 is the generalized section of ceramic-seal ring.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
This utility model provides a kind of ceramic seal battery, and the sealing structure of this ceramic seal battery is referred to Fig. 1-3；Wherein Fig. 1 is the structural representation of this utility model ceramic seal battery, and Fig. 2 is A portion enlarged drawing in Fig. 1, and Fig. 3 is the generalized section of ceramic-seal ring.
Ceramic seal battery of the present utility model, including battery container 10 and the cover plate 20 being arranged on this battery container 10, and be provided on this cover plate 20 installing hole of electrode column 30 being installed (in accompanying drawing 1-2, electrode column 30 has been loaded in this installing hole, and belong to the common knowledge known to technical staff, the most not separately labeled go out), electrode column 30 is through to inside cover plate 20 by this installing hole outside cover plate 20, until being connected with the battery current collecting plate arranged in housing 10.This partly belongs to the routine techniques structure of battery, and therefore to structure of housing 10, cover plate 20 and the material of electrode column 30, shape and details etc., in this case, no longer details repeats.
In the present case, emphasis describes the sealing means in gap between electrode column 30 and cover plate 20, and which is realized by ceramic-seal ring 40.Wherein, ceramic-seal ring 40 is along the axial direction of electrode column 30, and it is outside that nesting is set in electrode column 30.In order to promote the joint compactness between ceramic-seal ring 40 and cover plate 20 further, the shape of ceramic-seal ring 40 is as shown in Figure 2, radial direction along ceramic-seal ring 40 is provided with a slot 44 in the outer peripheral sidewall of ceramic-seal ring 40, the purpose of this slot 44 is used for engaging with cover plate 20 thus realizes the fixing of ceramic-seal ring 40, and therefore slot 44 is an end to end closed annular.Certainly, using after arranging this slot 44, ceramic-seal ring 40 entirety is in axial direction divided into 3 sections, specifically includes the part that ring segment 41(is positioned at outside housing 10), interlude 42 and lower ring segment 43(be positioned at the part of housing 10)；And further from this figure it can be seen that the external diameter of interlude 42 radial direction is less than ring segment 41 and the external diameter of lower ring segment 43.These 3 sections can be directly prepared into an entirety, or individually upper ring segment 41 or lower ring segment 43 separation can be made single part according to the needs installed, and to facilitate installation, technical staff can use as required, does not limits at this.Use this slot 44 1 aspect can increase the contact area engaged between ceramic-seal ring 40 with cover plate 20, on the other hand can beneficially assist interpolation encapsulant, additionally aid the fixing of ceramic-seal ring 40 self simultaneously.Certainly, general knowledge based on technical staff in implementation process, the external diameter of interlude 42 uses the internal diameter adaptation of the installing hole with cover plate 20, the best results of sealing.
Certainly, above-mentioned ceramic-seal ring 40 is shape instance most preferred in this case, based on identical purpose during using, technical staff can also use other shape to design, the simplest toroidal designs, T cylindricality profiles etc., as long as the shape of preferable sealing effectiveness can be realized, the most do not do unique restriction.
Above-mentioned only with ceramic-seal ring 40, can not reach to seal completely, therefore further this case use between the junction of ceramic-seal ring 40 and electrode column 30, and dose between the junction of ceramic-seal ring 40 and cover plate 20 and set ceramic seal glue-line (owing to this glue-line is substantially without thickness, therefore without illustrating in accompanying drawing), viscous and the gap filling by the patch of ceramic seal glue-line, can allow further ceramic-seal ring 40 firmly with electrode column 30 and cover plate 20 compact siro spinning technology, it is achieved the effect sealed completely.Technical staff is in concrete enforcement, and ceramic seal glue and corrosion resistant ceramic-seal ring 40 have been pasted in the way of clinkering.
Above-mentioned ceramic seal battery of the present utility model, will be sealed by ceramic-seal ring 40 between electrode column 30 and cover plate 20.The ceramic material of itself has good high temperature resistant, high intensity, high rigidity, good electrical property, hot property and chemical stability, uses the mode of high-temperature ceramics insulated enclosure on the one hand to extend the useful life of sealing, also extends the service life of battery；On the other hand, pasted by ceramic seal glue-line between ceramic-seal ring 40 and electrode column 30 and cover plate 20, this ceramic seal glue-line use liquid glue formed and can arbitrarily paste, it is possible to allow ceramic-seal ring 40 firmly with electrode column 30 and cover plate 20 compact siro spinning technology.And by the way of glue-line is pasted, to thickness of workpiece difference without strictly limiting, moreover it is possible to allow battery work the most normally in the environment of producing high temperature.
Further, the above-mentioned ceramic-seal ring 40 used in this case, the material of its pottery can use the mixing of a kind of or at least two in common aluminium oxide, zirconium oxide, silicon oxide, silicon nitride or aluminium nitride.There is higher melt temperature, highly stable in oxidizing atmosphere and higher mechanical degree, electrical insulation capability and chemical stability.
And the ceramic seal glue used in this case can directly be obtained by purchase commercially available " ceramic seal glue " product, its composition is typically one or more in epoxy resin, thermoplastic resin, silicone, polyurethane/phenolic aldehyde-acetal resin.Ceramic seal glue cost is low, compares traditional handicraft and can save the cost of more than 50%, and under pottery glue room temperature high temperature resistant 1200 degree, can the most normally use in the case of 300 degree.
Use above-mentioned ceramic-seal ring 40, cover plate 20 prepared by its material composition and usual copper, copper alloy, aluminum, aluminium alloy is because the heat-sensitive coefficients of material is different, when suddenly running into high-temperature condition when battery, the ceramic seal glue of location for paste can destroy by principle of expanding with heat and contracting with cold, now the sealing between electrode column 30 and cover plate 20 will be destroyed, from playing disappointing function.It should be noted that battery is typically all because producing substantial amounts of steam and gas in there is uncontrollable reaction, short time, if heat and gas can not be discharged in good time, battery will explode.Such scheme the most of the present utility model can allow battery automatically turn on disappointing function in the case of high temperature producing, thus pressure release, it is to avoid battery explosion, also improve the safety of battery.
Shape based on ceramic-seal ring 40 above-mentioned in this case and structure, in order to be further ensured that be connected between ceramic-seal ring 40 with electrode column 30 stablizes, all sidewalls of electrode column 30 are provided with card convex 31, the upper end top card of ceramic-seal ring 40 is combined in card convex 31, card convex 31 compresses ceramic-seal ring 40 in the way of rotary riveting, avoids the possibility that sealing reduces further.
Further, in the enforcement of this case, in the effect for further lift-off seal, those skilled in the art can also use the technology of classification welding (first 850 degree of solderings of plane, again 650 degree of aluminum welderings of plane) to process, and promotes quality further；Certainly, classification welding is not the technology of this case, is not described in detail at this.
On the basis of above-mentioned embodiment, can also also add on the electrode column 30 composition surface with ceramic-seal ring 40 and on the cover plate 20 composition surface with ceramic-seal ring 40 and have coat of metal (not shown), the material of this coat of metal is the compound of a kind of or at least two in gold, silver, copper, chromium, stannum, nickel；Coating can be realized by modes such as plating, sedimentations, and technical staff can consider the most voluntarily, does not limits at this.Further, having the functional parts such as the battery roll core of necessity, collector plate in further housing 10, electrode column 30 is connected with collector plate by lug.Meanwhile, prepared by the positive terminal aluminum or aluminum alloy in electrode column 30, prepared by negative terminal copper or copper alloy.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in scope of patent protection of the present utility model.
Claims (6)
1. a ceramic seal battery, the cover plate that including battery container, there is electrode mounting hole and the electrode column of the installing hole extending vertically through described cover plate, it is characterized in that, described ceramic seal battery also includes the ceramic-seal ring being positioned at the installing hole of described cover plate, and this ceramic-seal ring is set in outside electrode column along the axial direction of described electrode column；
The outer peripheral sidewall of described ceramic-seal ring is provided with slot, and this slot is arranged and end to end along the radial direction of described ceramic-seal ring, and described cover plate is fastened in this slot；
Ceramic seal glue it is provided with between described ceramic-seal ring and electrode column and between described ceramic-seal ring and cover plate.
2. ceramic seal battery as claimed in claim 1, it is characterised in that the material of described ceramic-seal ring is the mixing of a kind of or at least two in aluminium oxide, zirconium oxide, silicon oxide ceramics, silicon nitride or aluminium nitride.
3. ceramic seal battery as claimed in claim 1 or 2, it is characterised in that being provided with card convex on the side surface of described electrode column, the top card of described ceramic-seal ring is combined in this card convex.
4. ceramic seal battery as claimed in claim 1 or 2, it is characterised in that described electrode column is provided with the coat of metal with the composition surface of ceramic-seal ring and/or the composition surface of described cover plate and ceramic-seal ring.
5. ceramic seal battery as claimed in claim 4, it is characterised in that the described coat of metal is one or more in gold, silver, copper, chromium, stannum, nickel.
6. ceramic seal battery as claimed in claim 1 or 2, it is characterised in that being provided with collector plate in described housing, described electrode column is connected with this collector plate by lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620450900.0U CN205657098U (en) | 2016-05-18 | 2016-05-18 | Ceramic seal battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620450900.0U CN205657098U (en) | 2016-05-18 | 2016-05-18 | Ceramic seal battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205657098U true CN205657098U (en) | 2016-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620450900.0U Expired - Fee Related CN205657098U (en) | 2016-05-18 | 2016-05-18 | Ceramic seal battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205657098U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450068A (en) * | 2016-10-26 | 2017-02-22 | 东莞市盖瓷新能源科技有限公司 | Power battery polar column ceramic sealing device and sealing achieving method |
| CN113725531A (en) * | 2017-11-03 | 2021-11-30 | 宁德时代新能源科技股份有限公司 | Power battery top cover component, power battery and battery module |
| CN115347289A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power battery |
| CN115347288A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power battery |
-
2016
- 2016-05-18 CN CN201620450900.0U patent/CN205657098U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106450068A (en) * | 2016-10-26 | 2017-02-22 | 东莞市盖瓷新能源科技有限公司 | Power battery polar column ceramic sealing device and sealing achieving method |
| CN113725531A (en) * | 2017-11-03 | 2021-11-30 | 宁德时代新能源科技股份有限公司 | Power battery top cover component, power battery and battery module |
| CN113725531B (en) * | 2017-11-03 | 2023-11-03 | 宁德时代新能源科技股份有限公司 | Top cover assembly of power battery, power battery and battery module |
| CN115347289A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power battery |
| CN115347288A (en) * | 2021-05-13 | 2022-11-15 | 荣盛盟固利新能源科技有限公司 | Battery cover plate and power 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 |
Granted publication date: 20161019 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |