CN203690117U - Energy storage device - Google Patents
Energy storage device Download PDFInfo
- Publication number
- CN203690117U CN203690117U CN201420013451.4U CN201420013451U CN203690117U CN 203690117 U CN203690117 U CN 203690117U CN 201420013451 U CN201420013451 U CN 201420013451U CN 203690117 U CN203690117 U CN 203690117U
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- negative pole
- housing
- inner terminal
- energy storage
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Abstract
The utility model discloses an energy storage device. The device comprises a housing, a battery core, a positive electrode inner terminal, a negative electrode inner terminal, a negative electrode outer terminal and electrolyte. The positive electrode inner terminal and the negative electrode inner terminal are respectively welded to the end surfaces of the positive electrode and the negative electrode of the battery core. The periphery of the positive electrode inner terminal is inserted into an annular groove on the bottom wall of the housing. The negative electrode inner terminal is welded to the negative electrode outer terminal to form a welding line. An O-shaped sealing ring presses the welding line. The port crimping of the housing presses the negative electrode outer terminal through an annular sealing washer. An upper annular side protrusion and a lower annular side protrusion are disposed on the positions, which are corresponding to the negative electrode inner terminal and the positive electrode inner terminal, sidewall of the housing. The upper annular side protrusion and the lower annular side protrusion face the inner part of the housing and achieve compaction effects. The utility model further discloses an assembling method of the energy storage device. The energy storage device is good in stable performance, low in resistance, good in reliability, simple in structure, low in processing and molding cost, and easy to assemble.
Description
Technical field
The utility model relates to energy storage device technical field, specifically, is a kind of internal resistance simple in structure, low, long service life, energy storage device that reliability is high, also relates to the assembly method of energy storage device.
Background technology
Current, typical electric energy storage device is capacitor, ultracapacitor and battery.Wherein, ultracapacitor is a kind of novel energy-storing device between capacitor and battery.Compared with traditional capacitor, ultracapacitor has higher specific capacity; Compared with battery, ultracapacitor has higher specific power, can the large electric current of abrupt release, and the charging interval is short, and charge efficiency is high, and service life cycle is long, memory-less effect and the advantage such as substantially non-maintaining.Therefore, it has very large potential using value in fields such as communications and transportation, industry, regenerative resource, power electronics, military affairs, communication, medical treatment.
In the time that ultracapacitor uses for a long time under high working voltage or hot environment, can there is side reaction at the interface of electrolyte and electrode in this energy storage device, and electrolyte is decomposed, and generates various accessory substances.These accessory substances exist with the form of solid-state or gaseous state, and along with the accessory substance generating progressively increases, the performance of energy storage device progressively worsens, and show as capacity loss, internal resistance increase, the pressure rises in energy storage device.These phenomenons show more obviously under the abuse conditions such as overvoltage, excess temperature, and the temperature that is accompanied by the energy storage device that the exothermic effect of side reaction causes in energy storage device raises, and capacity, the internal resistance of energy storage device are faster damply, and air pressure inside also sharply rises.Along with the continuous generation of byproduct gas, the interior pressure of housing constantly increases, and housing may expand or gas may be revealed at the weakness zone of housing, sets off an explosion possibly.
In order to prevent because producing this blast that produces of gas, at the regional area of the housing of traditional energy storage device, notch structure explosion-proof valve is set, notch structure explosion-proof valve is ruptured under the pressure that exceedes certain level, to allow release pressure.But the premature failure of explosion-proof valve, has reduced the life cycle of ultracapacitor.
In above-mentioned side reaction, moisture is a kind of key reaction material wherein, and the existence of moisture can cause the severe exacerbation of energy storage device performance.Effectively encapsulating structure contributes to realize the isolation of enclosure interior and external environment condition on the one hand, stops outside moisture to enter enclosure interior, also contributes to prevent on the other hand volatilization, the seepage of electrolyte.
In prior art, the sealing of energy storage device generally realizes by single O type circle or seal washer, and sealing effectiveness is subject to the impact of material precision, assembly technology larger.In addition, from extraneous vibration and impact, the electrode unit in housing or the lead-in wire that is connected to this electrode unit are vulnerable to destroy, and this will cause the reliability of energy storage device to reduce or the lost of life.
Connection in prior art between the negative pole inner terminal and negative pole external terminal of ultracapacitor, between anodal inner terminal and housing generally realizes by interference fit, although described mode can reduce the contact resistance of negative pole inner terminal and negative pole external terminal, anodal inner terminal and housing to a certain extent, there is but still can be subject to external impact (as high Low Temperature Thermal impacts or external impacts) and mechanical oscillation in long-term use procedure the situation that internal resistance increases or fluctuates widely, the performance of energy storage device is worsened.
Utility model content
The purpose of this utility model is for deficiency of the prior art, and a kind of energy storage device is provided.
Another object of the present utility model is that a kind of assembly method of energy storage device is provided.
For realizing above-mentioned first object, the technical scheme that the utility model is taked is:
A kind of energy storage device, comprise housing, battery core, anodal inner terminal, negative pole inner terminal, negative pole external terminal and electrolyte, described anodal inner terminal and negative pole inner terminal are welded on respectively on the positive pole and negative pole end face of battery core, and the periphery of anodal inner terminal is inserted in the toroidal cavity in shell bottom wall; Negative pole inner terminal and negative pole external terminal are welded together to form weld seam, between negative pole inner terminal circumferential lateral surface, negative pole external terminal circumferential lateral surface and housing, be provided with O RunddichtringO, described O RunddichtringO is pushed down described weld seam, the oral area of housing is to being inverted to form oral area crimping, and described oral area crimping is pressed on negative pole external terminal by annular seal packing ring; Negative pole external terminal is provided with liquid injection port, and liquid injection port is blocked with plug; Housing sidewall is respectively equipped with the upper ring-type lateral process and the lower ring-type lateral process that play pressuring action towards enclosure interior in the position of corresponding negative pole inner terminal and anodal inner terminal.Described welding is preferably laser welding.
Anodal inner terminal can be the hollow circuit cylinder body structure being formed through cold extrusion or punching press by metal disk body, and cylindrical inner surface preferably does annular knurl processing, and one side can be removed surperficial oxide layer, can make it contact with shell bottom wall on the other hand better.Negative pole inner terminal can be also the hollow circuit cylinder body structure that is formed upper opening by metal decking through cold extrusion or punching press, and its upper surface is smooth smooth, and circumferential lateral surface edge carries out chamfered, and the inner periphery of upper surface is preferably done mechanical grinding or annular knurl processing.The lower surface of negative pole external terminal is smooth smooth; can with the upper surface close contact of negative pole inner terminal; reduce contact internal resistance; its circumferential lateral surface edge also carries out chamfered; weld shape in an angle, while making laser welding connect negative pole inner terminal upper surface and negative pole external terminal lower surface, welding position is inner; effectively protection O RunddichtringO, avoids unnecessary puncturing or wear and tear.Housing is prepared by metal or alloy, is preferably made up of aluminium or its alloy.Housing and anodal external terminal are integrated, and anodal external terminal is served as in the bottom of housing.
Further, the sidewall of described housing is provided with explosion-proof valve.Explosion-proof valve be shaped as any one in the shapes such as curved surface, plane, line, column.
Further, described plug is made up of rubber plug and aluminium plug, and described rubber plug is towards negative pole inner terminal.
Further, described negative pole external terminal is provided with upwards circular protrusion on the position of corresponding seal washer, and the cross section of described upwards circular protrusion is arc, trapezoidal or square, and arc is preferably semicircle.This upwards the object of circular protrusion be to increase the compression ratio of insulated enclosure packing ring, be conducive to strengthen the sealing effectiveness of negative pole external terminal and housing oral area crimping.
Further, described negative pole external terminal is provided with downward positioning body on its lower surface, the solder side of the adjacent negative pole external terminal of described downward positioning body and negative pole inner terminal, and the cross section of described downward positioning body is square or triangle or semicircle.Downwards positioning body entirety is continuous ring-type or several sections of disconnection, for example ringwise three sections or four sections of symmetry.Negative pole inner terminal and external terminal dislocation when this downward location physical efficiency prevents from assembling, and can increase steadiness.
Further, the bottom inside of described housing is provided with inner convex platform, is toroidal cavity between inner convex platform and housing sidewall, and the center of inner convex platform is provided with bulbous protrusion, and this bulbous protrusion has the effect that the anodal inner terminal of guiding is accurately placed; The bottom outside of housing is provided with outer lug boss, and outer lug boss is provided with lower pole, and described outer lug boss, lower pole and inner convex platform coaxially arrange.
Further, described negative pole external terminal circumferential lateral surface is the plane, aduncate curved surface or the bandy curved surface that tilt.Preferred aduncate curved surface, is combined and plays better sealing effectiveness with O RunddichtringO.
Further, described negative pole external terminal comprises that diameter reduces gradually and the first platform, the second platform and the 3rd platform that increase progressively highly gradually, the 3rd platform is provided with the upper pole of upwardly extending hollow cylindrical, the first platform, the second platform, the 3rd platform and upper pole coaxially arrange, and described liquid injection port is positioned on the second platform.Three platforms and upper pole can be by a disk body upwards vertical extruding form.The connection of energy storage device monomer is convenient in the setting of the 3rd platform, avoids touching in connection procedure the liquid injection port welding region on housing oral area crimping and the second platform.
Further, the shape of cross section of described annular seal packing ring is approximately S type, and match with the shape of housing oral area crimping, in the time that oral area crimping inwall is plane, the mid portion of S type is narrower, in the time that oral area crimping inwall is curved surface, the mid portion of S type is more plentiful, can better contact with oral area crimping sealing.
For realizing above-mentioned second object, the technical scheme that the utility model is taked is:
An assembly method for energy storage device, comprises the following steps:
Step 1, is weldingly fixed on anodal inner terminal and negative pole inner terminal respectively on the positive pole and negative pole end face of battery core;
Step 5, inserts anodal inner terminal, battery core, negative pole inner terminal, negative pole external terminal, O RunddichtringO and seal washer entirety in housing;
In order to realize good sealing effectiveness, there are two kinds of approach:
(1) contact area of increase O RunddichtringO and inner walls, negative pole inner terminal circumferential lateral surface, negative pole external terminal circumferential lateral surface;
(2) compression ratio of control O RunddichtringO;
(3) the O RunddichtringO of selection suitable material and diameter.
The utility model advantage is:
1, the connected mode of negative pole inner terminal and negative pole external terminal, anodal inner terminal and housing, has reduced contact resistance, thereby power characteristic is strengthened;
2, the robust structure of energy storage device inside can prevent electrode unit due to external vibration or impact and damaged, extends the useful life of energy storage device;
3, increase seal point, realize the multi-sealed of energy storage device, guarantee air-tightness, can improve the reliability of energy storage device;
4, the inner space of energy storage device is larger, can be used for holding the gaseous by-product producing in energy storage device use procedure on the one hand, to delay the blasting time of explosion-proof valve, in fluid injection process, have on the other hand more cushion space to hold electrolyte, reduce fluid injection number of times, improve fluid injection efficiency;
5, energy storage device is simple in structure, and machine-shaping cost is low, and is easy to assembling.
Accompanying drawing explanation
Accompanying drawing 1 is the cross-sectional view of the utility model energy storage device.
Accompanying drawing 2 is partial enlarged drawings of a-quadrant in Fig. 1.
Accompanying drawing 5 is the local structural graphs in the another kind of execution mode of the utility model energy storage device.
The Reference numeral and the part that in accompanying drawing, relate to are as follows:
1. housing 11. oral area crimpings
13. times ring-type lateral processes of ring-type lateral process on 12.
14. inner convex platform 15. bulbous protrusion
16. toroidal cavity 17. outer lug boss
18. times pole 2. battery cores
21. anodal 22. negative poles
3. anodal inner terminal 4. negative pole inner terminals
41. chamfering 5. negative pole external terminals
51. first platform 511. circumferential lateral surface
512. downward positioning bodies of circular protrusion 513. upwards
514. chamfering 52. second platforms
521. liquid injection port 522. aluminium plugs
523. rubber plugs 53. the 3rd platform
7.O RunddichtringO 8. seal washers.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, embodiment the utility model being provided below in conjunction with accompanying drawing elaborates; The present embodiment is implemented under take technical solutions of the utility model as prerequisite, has provided detailed execution mode and process, but protection range of the present utility model is not limited to following embodiment.
embodiment 1
Please refer to Fig. 1, Fig. 1 is the cross-sectional view of energy storage device.This energy storage device comprises housing 1, battery core 2, anodal inner terminal 3, negative pole inner terminal 4, negative pole external terminal 5 and electrolyte.Housing 1 is cylindric, and electrolyte, battery core 2, anodal inner terminal 3 and negative pole inner terminal 4 are positioned at the inside of housing 1.Anodal external terminal is served as in the bottom of housing 1, contacts with anodal inner terminal 3.Housing 1 is prepared by metal or alloy, is preferably made up of aluminium or its alloy.On the sidewall of housing 1, be also provided with explosion-proof valve, not shown.
Anodal inner terminal 3 and negative pole inner terminal 4 are welded on respectively on the positive pole 21 of battery core 2 and the end face of negative pole 22.Anodal inner terminal 3 is the hollow circuit cylinder body structures that formed through cold extrusion or punching press by metal disk body, and cylindrical inner surface preferably does annular knurl processing, and one side can be removed surperficial oxide layer, can make on the other hand it contact better with housing 1 diapire.The periphery of anodal inner terminal 3 is inserted in the toroidal cavity 16 on housing 1 diapire.Housing 1 sidewall is provided with the lower ring-type lateral process 13 that plays pressuring action towards housing 1 inside in the position of the anodal inner terminal 3 of correspondence.The bottom inside of housing 1 is provided with inner convex platform 14, and the cavity between inner convex platform 14 and housing 1 sidewall is toroidal cavity 16.The center of inner convex platform 14 is provided with bulbous protrusion 15, and this bulbous protrusion 15 has the effect that the anodal inner terminal 3 of guiding is accurately placed.The bottom outside of housing 1 is provided with outer lug boss 17, and outer lug boss 17 is provided with lower pole 18, and described outer lug boss 17, lower pole 18 and inner convex platform 14 coaxially arrange.
Negative pole inner terminal 4 is the hollow circuit cylinder body structures that formed upper opening by metal decking through cold extrusion or punching press, and its upper surface is smooth smooth, and the inner periphery of upper surface is preferably done mechanical grinding or annular knurl processing.Negative pole external terminal 5 comprises that diameter reduces gradually and the first platform 51, the second platform 52 and the 3rd platform 53, the three platforms 53 that increase progressively highly are gradually provided with the upper pole 54 of upwardly extending hollow cylindrical.The first platform 51, the second platform 52, the 3rd platform 53 and upper pole 54 coaxially arrange.Negative pole external terminal 5 is upwards vertically to be pushed and form by a disk body.The lower surface of the first platform 51 is smooth smooth, can with the upper surface close contact of negative pole inner terminal 4, reduce contact internal resistance.The inner space of energy storage device is larger, can be used for holding the gaseous by-product producing in energy storage device use procedure on the one hand, to delay the blasting time of explosion-proof valve, in fluid injection process, have on the other hand more cushion space to hold electrolyte, reduce fluid injection number of times, improve fluid injection efficiency.
Between negative pole inner terminal 4 circumferential lateral surface, negative pole external terminal 5 first platform 51 circumferential lateral surface and housing 1, be provided with O RunddichtringO 7.The oral area of housing 1 is to being inverted to form oral area crimping 11, and described oral area crimping 11 is pressed on the first platform 51 of negative pole external terminal 5 by annular seal packing ring 8.
Please refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 is the partial enlarged drawing of a-quadrant in Fig. 1, Fig. 3 is the combination schematic diagram of the negative pole inner terminal 4 shown in a-quadrant and negative pole external terminal 5 in Fig. 1, and Fig. 4 is the structural representation when O RunddichtringO 7 shown in a-quadrant and seal washer 8 are not extruded in Fig. 1.Liquid injection port 521 is positioned on the second platform 52, and the connection of energy storage device monomer is convenient in the setting of the 3rd platform 53, avoids touching in connection procedure housing 1 oral area crimping 11 and liquid injection port 521 welding regions.Liquid injection port 521 use rubber plugs 523 and aluminium plug 522 are blocked, and rubber plug 523 is towards negative pole inner terminal 4, and aluminium plug 522 is positioned at rubber plug 523 tops.
Circumferential lateral surface 511 edges of the first platform 51 are processed and are formed chamfering 514, negative pole inner terminal 4 circumferential lateral surface edges are processed and are formed chamfering 41, chamfering 514 and chamfering 41 are weld shape in an angle, while making to be welded to connect negative pole inner terminal 4 upper surfaces and negative pole external terminal 5 lower surface, the position of weld seam 6 is inner, O RunddichtringO 7, in the time pushing down weld seam 6, is avoided unnecessary puncturing or wear and tear.Described welding is preferably laser welding.Housing 1 sidewall is provided with the upper ring-type lateral process 12 that plays pressuring action towards housing 1 inside in the position of corresponding negative pole inner terminal 4.
The first platform 51 of negative pole external terminal 5 is provided with upwards circular protrusion 512 on the position of corresponding seal washer 8, and the cross section of described upwards circular protrusion 512 is semicircle.This upwards the object of circular protrusion 512 be to increase the compression ratio of insulated enclosure packing ring 8, be conducive to strengthen the sealing effectiveness of negative pole external terminal 5 and housing 1 oral area crimping 11.The first platform 51 is provided with downward positioning body 513 on its lower surface, the solder side of the adjacent negative pole external terminal 5 of described downward positioning body 513 and negative pole inner terminal 4, and the cross section of positioning body 513 is square downwards.In the present embodiment, positioning body 513 entirety are continuous ring-type downwards.When this downward positioning body 513 can prevent from assembling, negative pole inner terminal 4 and negative pole external terminal 5 misplace, and can increase steadiness.The first platform 51 circumferential lateral surface 511 are aduncate curved surface, play better sealing effectiveness with 7 combinations of O RunddichtringO.
In the present embodiment, the inwall of housing 1 oral area crimping 11 is curved surface, and the mid portion of the cross section S type of seal washer 8 is more plentiful, can better contact sealing with oral area crimping 11.
Please refer to Fig. 5, Fig. 5 is the local structural graph in the another kind of execution mode of the utility model energy storage device.In the present embodiment, the energy storage device difference in energy storage device and embodiment 1 is:
The cross section of positioning body 513 is triangle downwards, has equally good positioning action; In the present embodiment, positioning body 513 entirety are four sections that disconnect downwards, and four sections are symmetrical arranged ringwise;
Circumferential lateral surface 511 is bandy curved surface, can increase the compression ratio of O RunddichtringO 7;
The mid portion of the cross section S type of seal washer 8 is narrower, and now, the inwall of housing 1 oral area crimping 11 is plane, and sealing effectiveness is better.
An assembly method for energy storage device, comprises the following steps:
Step 1, is weldingly fixed on anodal inner terminal 3 and negative pole inner terminal 4 respectively on the positive pole 21 and negative pole 22 end faces of battery core 2;
Step 5, inserts anodal inner terminal 3, battery core 2, negative pole inner terminal 4, negative pole external terminal 5, O RunddichtringO 7 and seal washer 8 entirety in housing 1;
More than show and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not depart from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. an energy storage device, comprise housing, battery core, anodal inner terminal, negative pole inner terminal, negative pole external terminal and electrolyte, it is characterized in that, described anodal inner terminal and negative pole inner terminal are welded on respectively on the positive pole and negative pole end face of battery core, and the periphery of anodal inner terminal is inserted in the toroidal cavity in shell bottom wall; Negative pole inner terminal and negative pole external terminal are welded together to form weld seam, between negative pole inner terminal circumferential lateral surface, negative pole external terminal circumferential lateral surface and housing, be provided with O RunddichtringO, described O RunddichtringO is pushed down described weld seam, the oral area of housing is to being inverted to form oral area crimping, and described oral area crimping is pressed on negative pole external terminal by annular seal packing ring; Negative pole external terminal is provided with liquid injection port, and liquid injection port is blocked with plug; Housing sidewall is respectively equipped with the upper ring-type lateral process and the lower ring-type lateral process that play pressuring action towards enclosure interior in the position of corresponding negative pole inner terminal and anodal inner terminal.
2. energy storage device according to claim 1, is characterized in that, the sidewall of described housing is provided with explosion-proof valve.
3. energy storage device according to claim 1, is characterized in that, described plug is made up of rubber plug and aluminium plug, and described rubber plug is towards negative pole inner terminal.
4. energy storage device according to claim 1, is characterized in that, described negative pole external terminal is provided with upwards circular protrusion on the position of corresponding seal washer, and the cross section of described upwards circular protrusion is arc, trapezoidal or square.
5. energy storage device according to claim 1, it is characterized in that, described negative pole external terminal is provided with downward positioning body on its lower surface, the solder side of the adjacent negative pole external terminal of described downward positioning body and negative pole inner terminal, the cross section of described downward positioning body is square or triangle or semicircle, and described downward positioning body entirety is continuous ring-type or several sections of disconnection.
6. energy storage device according to claim 1, is characterized in that, the bottom inside of described housing is provided with inner convex platform, is toroidal cavity between inner convex platform and housing sidewall, and the center of inner convex platform is provided with bulbous protrusion; The bottom outside of housing is provided with outer lug boss, and outer lug boss is provided with lower pole, and described outer lug boss, lower pole and inner convex platform coaxially arrange.
7. energy storage device according to claim 1, it is characterized in that, described negative pole external terminal circumferential lateral surface is the plane, aduncate curved surface or the bandy curved surface that tilt, and the inner periphery of described negative pole inner terminal upper surface is done mechanical grinding or annular knurl processing.
8. energy storage device according to claim 1, it is characterized in that, described negative pole external terminal comprises that diameter reduces gradually and the first platform, the second platform and the 3rd platform that increase progressively highly gradually, the 3rd platform is provided with the upper pole of upwardly extending hollow cylindrical, the first platform, the second platform, the 3rd platform and upper pole coaxially arrange, and described liquid injection port is positioned on the second platform.
9. energy storage device according to claim 1, is characterized in that, the shape of cross section of described annular seal packing ring is S type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013451.4U CN203690117U (en) | 2014-01-10 | 2014-01-10 | Energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420013451.4U CN203690117U (en) | 2014-01-10 | 2014-01-10 | Energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203690117U true CN203690117U (en) | 2014-07-02 |
Family
ID=51011989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420013451.4U Withdrawn - After Issue CN203690117U (en) | 2014-01-10 | 2014-01-10 | Energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203690117U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700511A (en) * | 2014-01-10 | 2014-04-02 | 柯贝尔电能质量技术（上海）有限公司 | Energy storage device and assembling method thereof |
| CN104319110A (en) * | 2014-09-02 | 2015-01-28 | 富华德电子有限公司 | Sealing device for super capacitor |
| CN107689301A (en) * | 2017-07-04 | 2018-02-13 | 佛山市英飞翎电子有限公司 | Aluminium electrolutic capacitor electric wire connecting junction |
| CN107731553A (en) * | 2017-09-19 | 2018-02-23 | 江苏集盛星泰新能源科技有限公司 | Ultracapacitor |
-
2014
- 2014-01-10 CN CN201420013451.4U patent/CN203690117U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103700511A (en) * | 2014-01-10 | 2014-04-02 | 柯贝尔电能质量技术（上海）有限公司 | Energy storage device and assembling method thereof |
| CN103700511B (en) * | 2014-01-10 | 2017-01-11 | 柯贝尔电能质量技术（上海）有限公司 | Energy storage device and assembling method thereof |
| CN104319110A (en) * | 2014-09-02 | 2015-01-28 | 富华德电子有限公司 | Sealing device for super capacitor |
| CN104319110B (en) * | 2014-09-02 | 2017-04-12 | 富华德电子有限公司 | Sealing device for super capacitor |
| CN107689301A (en) * | 2017-07-04 | 2018-02-13 | 佛山市英飞翎电子有限公司 | Aluminium electrolutic capacitor electric wire connecting junction |
| CN107731553A (en) * | 2017-09-19 | 2018-02-23 | 江苏集盛星泰新能源科技有限公司 | Ultracapacitor |
| CN107731553B (en) * | 2017-09-19 | 2023-06-27 | 宁波中车新能源科技有限公司 | Super capacitor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140702 Effective date of abandoning: 20161019 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |