CN202796467U - Energy type supercapacitor - Google Patents
Energy type supercapacitor Download PDFInfo
- Publication number
- CN202796467U CN202796467U CN201220466932.1U CN201220466932U CN202796467U CN 202796467 U CN202796467 U CN 202796467U CN 201220466932 U CN201220466932 U CN 201220466932U CN 202796467 U CN202796467 U CN 202796467U
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- CN
- China
- Prior art keywords
- riveting
- post
- rivet
- riveting post
- aluminium
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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
- Y02E60/13—Energy storage using capacitors
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to an energy type supercapacitor, which is provided with an aluminum cover, an aluminum outer housing and a winding type cell, wherein an anode and a cathode ends of the winding type cell are respectively connected with an anode and a cathode current collector; the center of the aluminum cover is provided with a through hole; an H-shaped insulation sleeve is arranged inside the through hole; a combined riveting piece formed by connecting an upper rivet and a lower rivet passes through the H-shaped insulation sleeve; the H-shaped insulation sleeve is compressed and deformed through the riveting to the upper rivet and the lower rivet; the upper end of the cathode current collector is riveted on the lower rivet; a combined riveting column is arranged on the inner end surface of the aluminum cover; and the upper end of the anode current collector is riveted on the combined riveting column. The insulation ring 7 is deformed since the H-shaped insulation ring is compressed by the upper rivet and the lower rivet after riveting so that the insulation ring has double effects of sealing and insulation. The supercapacitor is good in sealing property, small in equipment investment, simple in process control and low in material cost, and can simultaneously meet the requirement to 1-9A charging and discharging current of the supercapacitor.
Description
Technical field
The utility model relates to ultracapacitor.
Background technology
Ultracapacitor is a kind of Novel energy storage apparatus, and the advantage such as it has the power density height, has extended cycle life, fast charging and discharging has broad application prospects at multiple fields such as mobile communication, wind power generation, electric automobiles.Ultracapacitor is different with power density by energy density, can be divided into energy type and power-type, and the energy type capacitor is less to the requirement of discharging current, and its equivalent series resistance is relatively large.The mode that is connected common practical laser welding of current collector of super capacitor and the output pole of ultracapacitor, for example Chinese patent Granted publication CN2010000812Y(application number 200720067088.4) the cylindrical takeup type axial lead of the disclosed a kind of large capacity of utility model organic ultracapacitor, Chinese patent application publication No. CN 102496483 A(application numbers 201110450216.4 for example) the disclosed a kind of cylindrical supercapacitor of application for a patent for invention, what all adopt is the laser welding mode.The equipment investment of laser welding mode is large, and in welding process, and strict to technological parameter is so cost is higher.
The utility model content
The purpose of this utility model is to propose a kind of energy type ultracapacitor that has good sealing property and can cut down finished cost.
For achieving the above object, the utility model is taked following technical scheme:
The utlity model has aluminium cover, aluminium shell and convoluted battery core, the positive and negative positive and negative electrode collector that connects extremely respectively of convoluted battery core, the central authorities of described aluminium cover are provided with through hole, be provided with I-shaped insulating case in the through hole, a riveting part that is formed by upper and lower rivet, the riveting post of riveting part is by I-shaped insulating case, the riveting part has and is in respectively I-shaped insulating case upper and lower I-shaped insulation sleeve clamp is held in wherein upper and lower riveting plate, I-shaped insulating case because of the riveting part by the riveting compressive deformation, the upper end of negative current collector is riveted on the riveting part; The medial surface of aluminium cover is provided with conjuncted riveting post, and the upper end of plus plate current-collecting body is riveted on the conjuncted riveting post.
Upper rivet comprises described upper riveting plate and upper riveting post, and lower rivet comprises described lower riveting plate and lower riveting post, and upper riveting post and lower riveting post are pegged graft becomes the riveting post of riveting part.
Have spacing ring on the bottom surface of described lower riveting post, on the lower riveting post and be in spacing ring above form neck, cover has the first riveted joint pad on the neck, the upper end of negative current collector is connected on lower riveting plate and the first lower riveting post position of riveted joint between the pad.
Described conjuncted riveting post is stairstepping, the bottom has the spacing ring of protrusion, on the conjuncted riveting post and be in spacing ring above form neck, cover has the second riveted joint pad on the neck, the upper end of plus plate current-collecting body is connected on the conjuncted riveting post position of the second riveted joint pad top.
Described aluminium cover is provided with liquid injection hole, is provided with plug and the aluminium plug that is in the plug outside in the liquid injection hole, and the aluminium plug is connected connection with the aluminium cover.
The combination riveting part that the utility model adopts upper rivet and lower rivet to connect into, the upper rivet behind the riveting and lower rivet can make insulated ring 7 that 20% ~ 40% deformation occurs to worker's shape insulated ring pinch, and this insulated ring can play the double effects of sealing and insulation.Laser welding after simultaneously aluminium cover and the aluminium shell assembling, aluminium plug and the welding of aluminium cover are so this ultracapacitor has good sealing.Because the collector of ultracapacitor connects the mode that adopts riveted joint, equipment investment is little, and technology controlling and process is simple, and the cost of raw material is low, can satisfy the requirement of ultracapacitor 1 ~ 9A charging and discharging currents simultaneously.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment 1
A kind of ultracapacitor shown in Figure 1 has aluminium cover 1, aluminium shell 2, convoluted battery core 3 and riveting part, positive and negative plus plate current-collecting body 4 and the negative current collector 5 of connecting extremely respectively of convoluted battery core 3, and collector adopts nickel strap.Described riveting part is comprised of upper rivet 8 and lower rivet 9, and upper rivet 8 is T shape, has upper riveting plate 8-1 and upper riveting post 8-2, and the bottom surface of upper riveting post 8-2 is provided with connecting hole.Lower rivet 9 is cross, is comprised of lower riveting post 9-1 and lower riveting plate 9-2.Insert in the connecting hole of upper riveting post 8-2 on lower riveting post 9-1 top, forms the riveting post of riveting part.Upper rivet 8 and lower rivet 9 are aluminium matter.
The central authorities of described aluminium cover 1 are provided with through hole, be provided with I-shaped insulating case 7 in the through hole, the riveting post of riveting part is by I-shaped insulating case 7, and upper riveting plate 8-1 and lower riveting plate 9-1 are in respectively the upper and lower of I-shaped insulating case 7, and I-shaped insulating case 7 is clamped between upper riveting plate 8-1 and the lower riveting plate 9-1.
Bottom surface at lower riveting post 9-1 has spacing ring 9-1-1, lower riveting post 9-1 be positioned at spacing ring 9-1-1 above form neck, on the neck cover have first the riveted joint pad 10.The upper end of negative current collector 5 is provided with punching, and negative current collector 5 is enclosed within on the lower rivet rod position that is between lower riveting plate 9-2 and the first riveted joint pad 10 by punching.
The medial surface of aluminium cover 1 is provided with conjuncted riveting post 1-1, described conjuncted riveting post 1-1 is stairstepping, the bottom has the spacing ring 1-1-1 of protrusion, conjuncted riveting post 1-1 be in spacing ring 1-1-1 above form neck, cover has the second riveted joint pad 6 on the neck, the upper end of plus plate current-collecting body 4 is provided with punching, and plus plate current-collecting body 4 is enclosed within on the step and the conjuncted riveting post 1-1 position between the second riveted joint pad 6 that is in conjuncted riveting post 1-1 by punching.
Described aluminium cover is provided with liquid injection hole, be provided with plug 12 in the liquid injection hole and be in the aluminium plug 11 in plug 12 outsides, the aluminium plug with are connected 1 weldering of aluminium cover and connect.
The material of above-mentioned worker's shape insulated ring, plug can be the corrosion resistance rubber such as EPDM, fluorine glue.
Above-mentioned worker's shape insulated ring 7 is packed in the through hole of cover 1, after installing afterwards rivet 8 and lower rivet 9 and riveting, upper rivet 8 and lower rivet 9 form riveted joint, upper rivet 8 and 9 pairs of worker's shapes of lower rivet insulated ring, 13 pinchs, make insulated ring 7 that 20% ~ 40% compressive deformation can occur, this insulated ring can play the double effects of sealing and insulation.Positive and negative collector is riveted with corresponding riveting post respectively, guarantees to connect reliable.Aluminium cover 1 closely cooperates after assembling with aluminium shell 2, adopts the mode of laser welding to seal.Be provided with plug and aluminium plug in the liquid injection hole, the aluminium plug adopts the laser welding mode to seal, and guarantees the sealing at liquid injection port place.
The positive and negative electrode of this ultracapacitor is with end, and anodal output is directly drawn from cover 1, and upper rivet 8 is exported as negative pole.
Claims (5)
1. energy type ultracapacitor, has aluminium cover (1), aluminium shell (2) and convoluted battery core (3), convoluted battery core (3) just, negative pole end is just connecting respectively, negative current collector (4,5), it is characterized in that: the central authorities of described aluminium cover (1) are provided with through hole, be provided with I-shaped insulating case (7) in the through hole, one by upper, lower rivet (8,9) the riveting part that forms, the riveting post of riveting part is by I-shaped insulating case (7), the riveting part has and is in respectively I-shaped insulating case (7) upper and lower I-shaped insulating case (7) is clamped in wherein upper, lower riveting plate, I-shaped insulating case (7) because of the riveting part by the riveting compressive deformation, the upper end of negative current collector (5) is riveted on the riveting part; The medial surface of aluminium cover (1) is provided with conjuncted riveting post (1-1), and the upper end of plus plate current-collecting body (4) is riveted on the conjuncted riveting post (1-1).
2. energy type ultracapacitor according to claim 1, it is characterized in that: upper rivet (8) comprises described upper riveting plate (8-1) and upper riveting post (8-2), lower rivet (9) comprises described lower riveting plate (9-2) and lower riveting post (9-1), and upper riveting post (8-2) and lower riveting post (9-1) are pegged graft becomes the riveting post of riveting part.
3. energy type ultracapacitor according to claim 2, it is characterized in that: have spacing ring (9-1-1) on the bottom surface of described lower riveting post (9-1), go up and be in the top formation neck of spacing ring (9-1-1) at lower riveting post (9-1), cover has the first riveted joint pad (10) on the neck, and the upper end of negative current collector (5) is connected on lower riveting plate (9-2) and the first lower riveting post (9-1) position of riveting between the pad (10).
4. energy type ultracapacitor according to claim 1, it is characterized in that: described conjuncted riveting post (1-1) is stairstepping, the bottom has the spacing ring (1-1-1) of protrusion, go up and be in the top formation neck of spacing ring (1-1-1) at conjuncted riveting post (1-1), cover has the second riveted joint pad (6) on the neck, and the upper end of plus plate current-collecting body (4) is connected on the step and conjuncted riveting post (1-1) position between the second riveted joint pad (6) of conjuncted riveting post (1-1).
5. energy type ultracapacitor according to claim 1, it is characterized in that: described aluminium cover is provided with liquid injection hole, be provided with plug (12) in the liquid injection hole and be in the aluminium plug (11) in plug (12) outside, the aluminium plug and be connected 11) aluminium cover (1) weldering connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220466932.1U CN202796467U (en) | 2012-09-13 | 2012-09-13 | Energy type supercapacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220466932.1U CN202796467U (en) | 2012-09-13 | 2012-09-13 | Energy type supercapacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796467U true CN202796467U (en) | 2013-03-13 |
Family
ID=47823677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220466932.1U Expired - Lifetime CN202796467U (en) | 2012-09-13 | 2012-09-13 | Energy type supercapacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796467U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681770A (en) * | 2013-11-26 | 2015-06-03 | 中国电子科技集团公司第十八研究所 | Preparation method of current collecting device for high-rate charge-discharge high-capacity battery |
| CN104900415A (en) * | 2015-05-27 | 2015-09-09 | 湖北金泉新材料有限责任公司 | Cell capacitor |
-
2012
- 2012-09-13 CN CN201220466932.1U patent/CN202796467U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681770A (en) * | 2013-11-26 | 2015-06-03 | 中国电子科技集团公司第十八研究所 | Preparation method of current collecting device for high-rate charge-discharge high-capacity battery |
| CN104900415A (en) * | 2015-05-27 | 2015-09-09 | 湖北金泉新材料有限责任公司 | Cell capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200213 Address after: 315112 199 Yinzhou District Road, five town, Yinzhou District, Ningbo, Zhejiang Patentee after: NINGBO CRRC NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 213000, 47, Tsing Yang North Road, Tianning District, Changzhou, Jiangsu, Changzhou Patentee before: JIANGSU JISHENG XINGTAI NEW ENERGY TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |