CN206148291U

CN206148291U - Super capacitor

Info

Publication number: CN206148291U
Application number: CN201621181230.3U
Authority: CN
Inventors: 陈杰平
Original assignee: Shanxi Yi Zhi Electric Network Technology Co Ltd
Current assignee: Shanxi Yi Zhi Electric Network Technology Co Ltd
Priority date: 2016-10-27
Filing date: 2016-10-27
Publication date: 2017-05-03
Anticipated expiration: 2026-10-27

Abstract

The utility model discloses a super capacitor, it is through adopting collector body and electrode integrated into one piece structure, and furthest has reduced the resistance of collector body and electrode combination department, has solved the corresponding problem that current super capacitor exists, it is nested through adopting tubulose electrode structure just to separate each other by anode electrode more than two and the negative electrode more than two, increased the area of contact of electrode with electrolyte effectively, make electrode and electrolyte fully contact, the electrode of having solved current a big chunk super capacitor is small in quantity, and electrode structure is unreasonable, leads to the problem that the electrode is insufficient with the contact of electrolyte and bring from this, through setting up the notes liquid hole and exhaust hole of accessing to super capacitor internal clearance on same terminal surface at insulating casing or the side to to super capacitor inside filling electrolyte the time, need not the inside evacuation to super capacitor, solve current super capacitor and when filling electrolyte, needed the evacuation, operation complicacy, the problem that the equipment input cost is big.

Description

A kind of ultracapacitor

Technical field

This utility model is related to a kind of ultracapacitor, belongs to the technical field of apparatus for storing electrical energy.

Background technology

Ultracapacitor, also referred to as electrochemical capacitor, are a kind of electrochemistry between traditional capacitor and battery Energy storage device, combines the advantage of the two, compared with traditional capacitor, possesses higher static capacity；Compared with battery, have Higher power density and overlength cycle life, are a kind of energy storage devices having a extensive future.

The collector and electrode of existing ultracapacitor is contacted or two body welding structures frequently with two bodies, due to contacting or welding Connect quality and be difficult to ensure that the resistance of collector and electrode junction is generally larger；Also a big chunk ultracapacitor is being just Pole electrode and each only one of which of negative electrode, number of electrodes is few, and electrode structure is unreasonable, causes contact of the electrode with electrolyte Not enough fully, the capacitance for ultimately resulting in ultracapacitor is less and internal resistance is larger.In addition, existing ultracapacitor is in filling electricity During solution liquid, almost it is required for ultracapacitor inside evacuation, complex operation, equipment investment cost are big.

Utility model content

To solve above-mentioned technical problem, this utility model provides a kind of ultracapacitor.

The technical scheme that this utility model is adopted for：

A kind of ultracapacitor, including insulation crust, positive terminal, negative terminal, positive electrode collector, negative electrode collector, Anode electrode, negative electrode and electrolyte, the positive electrode collector and negative electrode collector are oppositely arranged on two in insulation crust End, the positive electrode collector and anode electrode are formed in one structure, and positive electrode collector is erected on the side of negative electrode collector Straight and be coaxially arranged with plural anode electrode, non-each anode electrode on positive electrode collector axis is in pipe Shape or similar polygon tubulose, the negative electrode collector and negative electrode are formed in one structure, and negative electrode collector faces positive pole Vertically and plural negative electrode is coaxially arranged with the side of collector, it is non-every on negative electrode collector axis Individual negative electrode is cylindrical or similar polygon tubulose, the positive electrical on positive electrode collector or negative electrode collector axis Pole or negative electrode is cylindrical or prism-shaped, the anode electrode is spaced with negative electrode nested, and anode electrode and Clearance distance everywhere between negative electrode is equal, between anode electrode and negative electrode collector and between negative electrode and positive electrode collector Gap is left, electrolyte is each filled with each gap, be provided with the same end face of the insulation crust or side and lead to institute The liquid injection hole and steam vent in gap are stated, the liquid injection hole and steam vent are normally closed, the positive terminal and positive electrode collector or positive pole Electrode seal is contacted or is connected as a single entity, and the negative terminal is in close contact or is connected as a single entity with negative electrode collector or negative electrode, Positive terminal sub-aperture and negative pole end sub-aperture are provided with the insulation crust, the positive terminal and negative terminal are separately fixed at just In extreme sub-aperture and negative pole end sub-aperture.

To make each electrode current uniform, it is preferable that the positive terminal is arranged on positive electrode collector back to negative electrode collector Side on, and positive terminal is coaxially integrally formed with positive electrode collector, the negative terminal be arranged on negative electrode collector back to On the side of positive electrode collector, and negative terminal is coaxially integrally formed with negative electrode collector.

For ease of fluid injection and closure liquid injection hole, it is preferable that be provided with unidirectional liquid injecting mouth on the liquid injection hole.

To avoid ultracapacitor from bursting because electrolyte expands in use, it is preferable that be provided with the steam vent Relief valve.

Preferably, the insulation crust includes positive pole insulation crust and negative insulation shell, the positive pole insulation crust and Negative insulation body seal connects.

For ease of connection, it is preferable that the positive pole insulation crust and negative insulation shell are mutually matched by respective one end Locating flange socket, and be coated with fluid sealant in seam crossing.

Preferably, the positive pole insulation crust and negative insulation shell are threaded connection, and are coated with seam crossing close Sealing.

To avoid causing terminal fragile and accidental discharge because positive terminal and negative terminal expose, at the same consider terminal with External power source or the convenience of load connection, it is preferable that the positive terminal sub-aperture and negative pole end sub-aperture are shoulder hole, the rank Terraced Kong Jun includes inner side fixing hole and outside spliced eye, and the diameter of the inner side fixing hole is respectively less than the straight of respective outside spliced eye Footpath, positive terminal and negative terminal are fixed in each self-corresponding inner side fixing hole respectively by the way that screw thread is embedded, and its outer face Flush with the outer face of each self-corresponding inner side fixing hole.

To increase terminal and external power source or the contact area of load connector, the reliability of connection is improved, reduce resistance, it is excellent The axial direction of selection of land, positive terminal and negative terminal offer one with its each axis as axis and outer openings grafting Hole.

This utility model is by using collector and electrode integrated formed structure, it is to avoid collector and electrode contact or weldering Connect bad, the resistance of collector and electrode junction is reduced to greatest extent, solve the collector of existing ultracapacitor The problem larger with electrode junction resistance；By adopt hollow edged electrode structure and by plural anode electrode and two with On the spaced nesting of negative electrode, effectively increase the contact area of electrode and electrolyte, electrode is filled with electrolyte Tap is touched, and then is increased the capacitance of ultracapacitor and reduced its internal resistance, solves the super electricity of existing a big chunk The number of electrodes of container is few, and electrode structure is unreasonable, causes electrode insufficient contact with electrolyte, ultimately results in super electricity The problem that capacity of condenser is less and internal resistance is larger；Led to by the setting on the same end face of insulation crust or side super The liquid injection hole and steam vent in capacitor internal gap, when electrolyte is filled to the inside of ultracapacitor, only need to make liquid injection hole and Vent openings upwards, wait electrolyte to flow out (gas i.e. in ultracapacitor is naturally drained) from steam vent, you can envelope Stifled liquid injection hole and steam vent, without the need for ultracapacitor inside evacuation, solving existing ultracapacitor in filling electrolyte When, almost it is required for ultracapacitor inside evacuation, the big problem of complex operation, equipment investment cost.Additionally, this practicality It is new also to there is simple structure, be easy to manufacture.

Description of the drawings

Fig. 1 is the schematic top plan view of the ultracapacitor of this utility model embodiment one；

Fig. 2 is cross-sectional schematic of the ultracapacitor at A-A shown in Fig. 1；

Fig. 3 is the cross-sectional schematic of the ultracapacitor of this utility model embodiment two；

Fig. 4 is the cross-sectional schematic of the ultracapacitor of this utility model embodiment three；

In figure：1st, positive pole insulation crust；2nd, negative insulation shell；3rd, positive terminal；4th, negative terminal；5th, positive pole current collections Body；6th, negative electrode collector；7th, anode electrode；8th, negative electrode；9th, electrolyte；10th, unidirectional liquid injecting mouth；11st, relief valve；12nd, it is close Sealing.

Specific embodiment

Specific embodiment of the utility model is described further below in conjunction with the accompanying drawings.

As shown in Figure 1 to Figure 2, the ultracapacitor of the present embodiment includes positive pole insulation crust 1, negative insulation to embodiment one Shell 2, positive terminal 3, negative terminal 4, positive electrode collector 5, negative electrode collector 6, anode electrode 7, negative electrode 8, electrolyte 9th, unidirectional liquid injecting mouth 10 and relief valve 11.

Positive pole insulation crust 1 and negative insulation shell 2 are socketed by the locating flange that respective one end is mutually matched, and are being connect Fluid sealant 12 is coated with seam.

Positive electrode collector 5 is placed in the inner bottom part of positive pole insulation crust 1, and negative electrode collector 6 is placed in the inner bottom of negative insulation shell 2 Portion, positive electrode collector 5 and negative electrode collector 6 it is just right.

Positive terminal 3 is arranged on positive electrode collector 5 back on the side of negative electrode collector 6, and positive terminal 3 and positive pole collection Electric body 5 is coaxially integrally formed, and negative terminal 4 is arranged on negative electrode collector 6 back on the side of positive electrode collector 5, and negative pole end Son 4 is coaxially integrally formed with negative electrode collector 6, and on positive pole insulation crust 1 and negative insulation shell 2 positive terminal is respectively arranged with Hole and negative pole end sub-aperture.

Positive terminal sub-aperture and negative pole end sub-aperture are shoulder hole, and the shoulder hole includes inner side fixing hole and outside grafting Hole, the diameter of the inner side fixing hole is respectively less than the diameter of each outside spliced eye, and positive terminal 3 and negative terminal 4 lead to respectively Cross that screw thread is embedded to be fixed in each self-corresponding inner side fixing hole, and the outer end of its outer face and each self-corresponding inner side fixing hole Face flushes, the axial direction of positive terminal 3 and negative terminal 4 offer one with its each axis as axis and outer openings Spliced eye.

Positive electrode collector 5 and anode electrode 7 are formed in one structure, and positive electrode collector 5 is in the face of the side of negative electrode collector 6 Three anode electrodes 7 are gone up vertically and are coaxially arranged with, non-each anode electrode 7 on the axis of positive electrode collector 5 is in circle Tubulose；Negative electrode collector 6 and negative electrode 8 are formed in one structure, and negative electrode collector 6 is on the side of positive electrode collector 5 Vertically and three negative electrodes 8 are coaxially arranged with, non-each negative electrode 8 on the axis of negative electrode collector 6 is in pipe Shape, the negative electrode on the axis of negative electrode collector 6 is cylindrical.

Anode electrode 7 is spaced with negative electrode 8 nested, and the clearance gap everywhere between anode electrode 7 and negative electrode 8 From equal, gap is left between anode electrode 7 and negative electrode collector 6 and between negative electrode 8 and positive electrode collector 5, in each gap It is each filled with being respectively arranged with the same side of electrolyte 9, negative insulation shell 2 and positive pole insulation crust 1 and leads to the gap Liquid injection hole and steam vent, are provided with unidirectional liquid injecting mouth 10 on liquid injection hole, relief valve 11 is provided with steam vent.

Embodiment two is as shown in figure 3, the ultracapacitor of the present embodiment exists with the difference of the ultracapacitor of embodiment one In：(1) the positive pole insulation crust and negative insulation shell of the present embodiment is threaded connection；(2) positive terminal of the present embodiment Hole and negative pole end sub-aperture are isometrical straight hole, and the outer face of positive terminal 3 flushes with the outer face of positive terminal sub-aperture, negative terminal 4 Outer face flush with the outer face of negative pole end sub-aperture；(3) liquid injection hole of the present embodiment and unidirectional liquid injecting mouth 10 have been arranged on reality The position that steam vent and relief valve 11 are located in example one is applied, the steam vent and relief valve 11 of the present embodiment have been arranged on embodiment one The position that middle liquid injection hole and unidirectional liquid injecting mouth 10 are located, i.e. position is exchanged.

Embodiment three is as shown in figure 4, the ultracapacitor of the present embodiment exists with the difference of the ultracapacitor of embodiment two In：(1) negative terminal 4 of the present embodiment is not coaxial with negative electrode collector 6；(2) liquid injection hole of the present embodiment and unidirectional liquid injecting mouth 10th, steam vent and relief valve 11 have been arranged on same one end of positive pole insulation crust 1.

It is apparent that in addition to the implementation, non-each electrode on collector axis of the present utility model can be with For similar polygon tubulose, while the electrode on collector axis can also be prism-shaped；Positive terminal and negative pole end Son can also adopt other structures；Terminal can also be by the way of two bodies be in close contact with the conduction of collector；Terminal may be used also To contact with electrode seal or be connected as a single entity；Liquid injection hole and steam vent can also be closed using plug etc..Additionally, also having a lot Other deformations being readily apparent that, here is omitted.

Embodiment of the present utility model is explained in detail above in conjunction with accompanying drawing, but this utility model is not limited to Embodiment is stated, in the ken that those of ordinary skill in the art possess, can be with without departing from this utility model objective On the premise of make obtaining various change, also should be regarded as protection domain of the present utility model.

Claims

1. a kind of ultracapacitor, including insulation crust, positive terminal, negative terminal, positive electrode collector, negative electrode collector, just Pole electrode, negative electrode and electrolyte, it is characterised in that：It is outer that the positive electrode collector and negative electrode collector are oppositely arranged on insulation Two ends in shell, the positive electrode collector and anode electrode are formed in one structure, and positive electrode collector is in the face of negative electrode collector Vertically and plural anode electrode, non-each positive electrical on positive electrode collector axis are coaxially arranged with side Extremely cylindrical or similar polygon tubulose, the negative electrode collector and negative electrode are formed in one structure, negative electrode collector Vertically and plural negative electrode is coaxially arranged with the side of positive electrode collector, it is non-positioned at negative electrode collector axis Each negative electrode on line is cylindrical or similar polygon tubulose, on positive electrode collector or negative electrode collector axis Anode electrode or negative electrode is cylindrical or prism-shaped, the anode electrode is spaced with negative electrode nested, and just Clearance distance everywhere between pole electrode and negative electrode is equal, between anode electrode and negative electrode collector and negative electrode and positive pole collection Gap is left between electric body, electrolyte is each filled with each gap, arranged on the same end face of the insulation crust or side There is the liquid injection hole and steam vent for leading to the gap, the liquid injection hole and steam vent are normally closed, the positive terminal and positive pole current collections Body or anode electrode are in close contact or are connected as a single entity, and the negative terminal is in close contact or connects with negative electrode collector or negative electrode It is integrated, positive terminal sub-aperture and negative pole end sub-aperture is provided with the insulation crust, the positive terminal and negative terminal is distinguished It is fixed in positive terminal sub-aperture and negative pole end sub-aperture.

2. ultracapacitor according to claim 1, it is characterised in that：The positive terminal is arranged on the positive electrode collector back of the body To on the side of negative electrode collector, and positive terminal is coaxially integrally formed with positive electrode collector, and the negative terminal is arranged on negative Electrode current collector is back on the side of positive electrode collector, and negative terminal is coaxially integrally formed with negative electrode collector.

3. ultracapacitor according to claim 1, it is characterised in that：Unidirectional liquid injecting mouth is installed on the liquid injection hole.

4. ultracapacitor according to claim 1, it is characterised in that：Relief valve is installed on the steam vent.

5. ultracapacitor according to claim 1, it is characterised in that：Insulation crust includes positive pole insulation crust and negative pole Insulation crust, the positive pole insulation crust and negative insulation body seal connect.

6. ultracapacitor according to claim 5, it is characterised in that：The positive pole insulation crust and negative insulation shell The locating flange being mutually matched by respective one end is socketed, and is coated with fluid sealant in seam crossing.

7. ultracapacitor according to claim 5, it is characterised in that：The positive pole insulation crust and negative insulation shell It is threaded connection, and fluid sealant is coated with seam crossing.

8. ultracapacitor according to claim 1, it is characterised in that：The positive terminal sub-aperture and negative pole end sub-aperture are Shoulder hole, the shoulder hole includes inner side fixing hole and outside spliced eye, and the diameter of the inner side fixing hole is respectively less than each The diameter of outside spliced eye, positive terminal and negative terminal are fixed on each self-corresponding inner side fixing hole by the way that screw thread is embedded respectively It is interior, and its outer face flushes with the outer face of each self-corresponding inner side fixing hole, the axial direction of positive terminal and negative terminal is opened Be provided with one with its each axis as axis and outer openings spliced eye.

9. ultracapacitor according to claim 1, it is characterised in that：The axial direction of positive terminal and negative terminal opens up Have one with its each axis as axis and outer openings spliced eye.