CN105576276B - A kind of vacuum electrolyte filling device - Google Patents
A kind of vacuum electrolyte filling device Download PDFInfo
- Publication number
- CN105576276B CN105576276B CN201410542481.9A CN201410542481A CN105576276B CN 105576276 B CN105576276 B CN 105576276B CN 201410542481 A CN201410542481 A CN 201410542481A CN 105576276 B CN105576276 B CN 105576276B
- Authority
- CN
- China
- Prior art keywords
- vacuum
- connecting tube
- clave connector
- filling device
- electrolyte
- Prior art date
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Secondary Cells (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The present invention relates to a kind of vacuum electrolyte filling device, including vacuum chamber, Clave connector, vacuumizing part and syringe equipped with electrolyte, vacuum chamber is enclosed by base, side wall and head cover and formed, Clave connector is plugged in the perforate of head cover, vacuumizing part includes connecting tube, hose and vacuum pump, hose both ends connect vacuum pump and connecting tube respectively, and Clave connector includes being used for the first Clave connector for connecting connecting tube and vacuum chamber and the second Clave connector for connecting syringe and vacuum chamber equipped with electrolyte.The Clave connector of the present invention includes shell, sealing cover and connecting tube, has good seal, and vacuumizing part and the syringe realization equipped with electrolyte can be coordinated to vacuumize and liquid injecting function.Vacuum electrolyte filling device of the invention is simple in structure, small, fluid injection works well, while has the comprehensive beneficial effect such as injection demand that reservoir quantity is accurate, fluid injection speed is fast, can meet different electrolytes.
Description
Technical field
The present invention relates to battery production equipment field, in particular for the vacuum electrolyte filling device of battery.
Background technology
With the fast development of mechanics of communication and intelligence system, battery or ultracapacitor of the people for various equipment
Energy storage demand is higher and higher, such as mobile phone, laptop or palm PC etc..
In practical applications, button cell and ultracapacitor all develop progressively towards the direction using thick electrode piece, lead to
The surface density that active material on electrode slice is improved using thick electrode piece is crossed, so as to improve energy storage capacity.But use thick electrode piece
Electrolyte will necessarily be faced and infiltrate the problem of insufficient in thick electrode piece, cause the active material in electrode to be difficult to obtain effectively
Performance, the energy storage capacity of battery can not still improve, so the infiltration problem of electrode slice is research button cell and super electricity
One of have to solve the problems, such as during container.
Patent CN 201562708U disclose a kind of device for filling lithium battery with electrolyte in vacuuming manner, including the positioning of rack, battery passes
Motivation structure, battery vacuum liquid injection control mechanism, electrolyte filling mechanism, electrolyte exquisiteness mechanism, battery charging and discharging mechanism.Pass through
Battery charging and discharging mechanism realizes the automatic job of battery, injects electrolyte by battery vacuum liquid injection control mechanism.
Patent CN 202662706U disclose a kind of vacuum liquid injection machine for lithium ion battery, including rack, vacuum liquid injecting machine
Structure, battery main body heating pressing mechanism and feedback control system.The filling machine can heat battery master while vacuum liquid filling
Body, improves effect of impregnation of the electrolyte to electrode.
Although the infiltration in the prior art, having solved electrode slice to a certain extent by vacuum liquid filling technology is asked
Topic, but still suffer from some defects：
(1) the complicated of vacuum electrolyte filling device, volume are larger.The operation of this kind of vacuum electrolyte filling device and control often compared with
To be cumbersome, and equipment is expensive.In addition its huge volume also can not carry out fluid injection to the less button cell of size.
(2) it is ineffective that electrolyte is directly added dropwise.For the less battery of size generally by directly being dripped on electrode slice
Add electrolyte, liquid to be electrolysed infiltrates electrode slice naturally.But it is not enough to realize for thick electrode piece, this nature pattern of invasion
Complete wetting of the electrolyte to thick electrode piece.
(3) fluid injection accuracy of measurement is difficult to control, and fluid injection speed is slow.Existing vacuum electrolyte filling device often can not accurately control note
Liquid measure, or fluid injection speed is influenced to adjust reservoir quantity, this aspect wastes electrolyte, on the other hand causes every block of electricity
The reservoir quantity in pond is inconsistent, influences product quality.
(4) when injecting different electrolytes, it is also easy to produce cross contamination.During the development to battery, it is often necessary to
Different electrolyte is injected on to electrode slice to test effect, the fluid injection component in existing vacuum electrolyte filling device is all often fixed
Set, it is difficult to replace, or replacement cost is higher, so friendship will necessarily be brought by injecting different electrolyte with same fluid injection component
The problem of fork pollution.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of vacuum electrolyte filling device, while have that small, fluid injection is fast
And the multiple beneficial effects such as reservoir quantity accurately controls, fluid injection component is easily changed.
The present invention provides a kind of vacuum electrolyte filling device, including vacuum chamber, Clave connector, vacuumizing part and equipped with electricity
The syringe of liquid is solved, the vacuum chamber is enclosed by base, side wall and head cover and formed, and is equipped with the head cover some for plugging
The perforate of the Clave connector, the vacuumizing part include connecting tube, hose and vacuum pump, and described hose one end connects institute
Vacuum pump is stated, the other end connects the connecting tube；
The Clave connector includes shell, sealing cover and connecting tube, the inside up/down perforation of the shell, the company
The inside of admittance pipe is a cavity, and the top of the connecting tube is a taper sharp portion, and the side wall of the sharp portion is equipped with
An at least through hole, the through hole are communicated in the internal cavities of the connecting tube, and the sealing cover is set in the connecting tube
Outside, the sharp portion of the connecting tube is isolated with the shell, the shell is set in the outside of the sealing cover；
The Clave connector is plugged in the perforate of the head cover, and the Clave connector includes being used for what is vacuumized
First Clave connector and the second Clave connector for fluid injection, the first Clave connector upper end vacuumize portion with described
The connecting tube matching connection of part, the second Clave connector upper end matches connection with the syringe equipped with electrolyte.
Wherein, the Clave connector is the common connector in medical transfusion field, can pass through commercially available acquisition, such as U.S.
The Clave connector that ICU Medical, Inc. of state produces and sells, the quantity of first Clave connector is at least one, and described
The quantity of two Clave connectors is at least one；
Wherein, the syringe is common fluid injection instrument, including syringe shell and is arranged on inside syringe shell
And with the closed matched piston rod of syringe shell, but do not include syringe needle；
Wherein, the electrolyte is the liquid medium being injected into battery or capacitor, may be, for example, potassium hydroxide (KOH)
Electrolyte, double trifluoromethanesulfonimide lithiums (LiTFSI) electrolyte, ethylene carbonate electrolyte or lithium hexafluorophosphate electrolyte solution
In any one.
Further, in the vacuum electrolyte filling device of the present invention, the sealing cover of the Clave connector is by with elastic shape
The material of change is made, such as sealing cover can be silicon matter cap, during the non-stress of the sealing cover, by the sharp portion of the connecting tube
Through hole be sealed in the sealing cover；When the sealing cover stress is compressed downwards, the sealing cover is by the connecting tube
Sharp portion punctures, and the through hole of the sharp portion side wall is exposed in the outside of the sealing cover.
Alternatively, in the vacuum electrolyte filling device of the present invention, the base of the vacuum chamber can be circular, ellipse,
One kind in triangle, rectangle, pentagon or hexagon.
Preferably, the vacuum chamber is cylindrical chamber, and the base is cup dolly, and the head cover is circular top
Lid, a diameter of 40-160mm of the base, the Sidewall Height are 50-200mm, a diameter of 30-150mm of the head cover,
The width of the groove is 4-6mm.
It is highly preferred that a diameter of 80-120mm of the base, the Sidewall Height is 50-100mm, the head cover it is straight
Footpath is 70-110mm, and the width of the groove is 4.5-5.5mm.
Further, in the vacuum electrolyte filling device of the present invention, the base of the vacuum chamber is equipped with least one electricity
Pond groove and a groove, the battery case is used for placing battery shell, or for placing ultracapacitor, pad is equipped with the groove
Circle, the vacuum chamber enclosed by the packing ring, the side wall and the head cover that are set in the base, the base groove and
Into.
It should be appreciated that the quantity of the battery case is according to the number of battery cells and the vacuum electrolyte filling device that need to be prepared
Specification determines.
Further, in the vacuum electrolyte filling device of the present invention, a diameter of 18-25mm of the battery case, is preferably
20.5-21mm, more preferably 20.5mm.
Further, in the vacuum electrolyte filling device of the present invention, institute is correspondingly arranged below second Clave connector
Battery case is stated, the battery case is identical with the quantity of second Clave connector.
Further, in the vacuum electrolyte filling device of the present invention, the connecting tube of the vacuumizing part is syringe shell.
Further, in the vacuum electrolyte filling device of the present invention, during vacuumizing, the note equipped with electrolyte
Emitter by second Clave connector to the battery case fluid injection, it is described equipped with electrolyte or after completing to vacuumize
Syringe is by second Clave connector to the battery case fluid injection.
Further, it is described outer the present invention also provides a kind of Clave connector, including shell, sealing cover and connecting tube
The inside up/down perforation of shell, the inside of the connecting tube is a cavity, and the top of the connecting tube is sharp for a taper
Portion, the side wall of the sharp portion are equipped with an at least through hole, and the through hole is communicated in the internal cavities of the connecting tube, described close
Capping is set in the outside of the connecting tube, the sharp portion of the connecting tube is isolated with the shell, the casing
It is located at the outside of the sealing cover.
Beneficial effects of the present invention are as follows：
(1) fluid injection effect is good, simple in structure, small.
In the vacuum electrolyte filling device of the present invention, employ the special Clave connector realization of structure and vacuumize and fluid injection work(
Energy.Electrode slice to be infiltrated is put into battery case, when vacuumizing, the air in electrode slice hole is discharged, during fluid injection, electrolysis
Liquid can smoothly enter in the hole of electrode slice, realize good effect of impregnation.
In the present invention, when not working, the sharp portion of internal connecting tube is sealed in this by the sealing cover of Clave connector
In sealing cover.
In the present invention, the first Clave connector upper end matches connection, vacuum pump work with the connecting tube of vacuumizing part
When, the connecting tube of vacuumizing part is pressed downward to the enclosure of the first Clave connector, forces the first Clave connector
Sealing cover compresses downwards, and sealing cover is punctured by the sharp portion of connecting tube, the through hole on sharp portion side wall is exposed in sealing cover
Outside, at this time vacuum pump pass sequentially through cavity inside the through hole and connecting tube in hose, connecting tube, connecting tube by vacuum
The indoor air extraction of chamber, so as to fulfill function is vacuumized.
In the present invention, the second Clave connector upper end is connected with equipped with the syringe of electrolyte, during fluid injection, by syringe
The enclosure of the second Clave connector is pressed downward to, forces the sealing cover of the second Clave connector to compress downwards, sealing cover quilt
The sharp portion of connecting tube punctures, and the through hole on sharp portion side wall is exposed outside sealing cover, at this time the electrolysis in syringe
Liquid flows into the cavity inside connecting tube by the through hole on sharp portion side wall, and then instills the second Clave connector lower end and correspond to
The battery case, complete liquid injecting function.
In view of the special construction of Clave connector, the fluid injection control system that vacuum electrolyte filling device of the invention need not be complicated
System, only can be realized as vacuum liquid filling by components such as the Clave connector of small volume, syringes, makes vacuum electrolyte filling device knot
Structure is simplified, easy to operate, while the volume of vacuum chamber is designed according to the number of batteries and volume size for needing fluid injection, because
This, vacuum electrolyte filling device of the invention can be used for the assembling that button cell and ultracapacitor are carried out in glove box.
(2) reservoir quantity accurately controls, and fluid injection speed is fast.
In the vacuum electrolyte filling device of the present invention, corresponding second connector in top of each battery case, each second
One syringe that electrolyte is housed of upper end matching connection of Clave connector, i.e., each the syringe equipped with electrolyte can be only
The reservoir quantity of the corresponding battery case of its injection of Site control, fluid injection speed and use are accurately adjusted according to the Infiltrating of electrode slice
Amount, electrolyte is polluted caused by device when avoiding electrolyte injection excessive.
In addition, in the vacuum electrolyte filling device of the present invention, due to using the direct fluid injection of syringe, syringe can quick regulation
It injects the reservoir quantity of battery case, and therefore, the fluid injection speed of syringe can be very fast, avoids electrolyte from being exposed to vacuum for a long time
In cause to volatilize, ensure that electrolyte under vacuum to the effect of impregnation of electrode slice.
(3) conveniently meet the injection demand of different electrolytes, and cross contamination will not be produced.Good fortune of coming in the present invention connects
Head is commercially produced product, and cheap, readily replaceable.Therefore, when needing to inject different electrolytes, good fortune can be carried out by only needing to change
Connector and the miscellaneous part of vacuum electrolyte filling device of the present invention need not be replaced, it is such easy to operate, and will not be because
Some component in vacuum electrolyte filling device has used different electrolyte with and has caused cross contamination.
Brief description of the drawings
Fig. 1 is the structure diagram of 1 vacuum electrolyte filling device of embodiment.
Fig. 2 is the exploded view of device in Fig. 1.
Fig. 3 is the structure chart of 1 Clave connector of embodiment (vacuum electrolyte filling device does not work).
Fig. 4 is the structure chart of 1 first Clave connector of embodiment (when vacuumizing work).
Fig. 5 is the structure chart of 1 second Clave connector of embodiment (when fluid injection works).
Fig. 6 is the cyclic voltammetry curve of capacitor performance test.
Fig. 7 is the cycle performance test chart of battery performance test.
Embodiment
Below by specific embodiment, the present invention is described in detail, it should be appreciated that these specific embodiment parties
Formula is only used for enumerating the present invention, not forms any type of any restriction to the real protection scope of the present invention.
Embodiment 1
Refering to Fig. 1 to Fig. 2, the present embodiment provides a kind of vacuum electrolyte filling device, including vacuum chamber 1, Clave connector 2,
Vacuumizing part 3 and the syringe (not shown) equipped with electrolyte, vacuum chamber 1 are enclosed by base 11, side wall 12 and head cover 13
Form, Clave connector 2 is arranged in the head cover 13 of vacuum chamber 1, for respectively by vacuumizing part 3, equipped with electrolyte
Syringe is connected with vacuum chamber 1.
Vacuum chamber 1 is cylindrical chamber, and base 11 is cup dolly, its a diameter of 105mm, and the height of side wall 12 is
80mm, head cover 13 are circular top cover, its a diameter of 95mm, and seven are equipped with the head cover 13 and is used to plug Clave connector 2
Perforate.
Six 14 and one grooves 15 of battery case are equipped with base 11, which is the battery case of button cell, its
A diameter of 20.5mm, the diameter of the battery case 14 are slightly larger than the diameter of button cell shell, help to improve and vacuumize and fluid injection
During button cell shell stability；The groove 15 is the annular groove of width 5.5mm, and the outer ledge of the groove 15
A packing ring 16 with matching grooves is equipped with the outer ledge 5mm of the base 11, the groove 15, packing ring 16 is used to improve true
The seal degree of plenum chamber 1.
Clave connector 2 includes identical the first Clave connector 21 and the second Clave connector 22 of structure, this first can
Carry out good fortune connector 21 to be used to connect vacuumizing part 2 and vacuum chamber 1, which, which is used to connect, is equipped with electrolyte
Syringe and vacuum chamber 1.
First Clave connector 21 is identical with the structure of the second Clave connector 22, therefore to the first Clave connector 21
Structure explanation may be used in the second Clave connector 22, this should not cause the disturbance of understanding to the second Clave connector 22.
Refering to Fig. 3 to Fig. 5, the first Clave connector 21 includes shell 211, sealing cover 212 and connecting tube 213, the shell 211 it is interior
Portion's up/down perforation, the sealing cover 212 are silicon matter cap, which is a cavity, and the connecting tube 213 is upper
Portion is a taper sharp portion, and the side wall of the sharp portion is equipped with two through holes 2131, and two through holes 2131 are communicated in the connection
Cavity inside conduit 213.
The sealing cover 212 is set in the outside of the connecting tube 213, for the sharp portion of the connecting tube 213 to be sealed
In the sealing cover 212, the through hole 2131 on the sharp portion side wall of connecting tube 213 is especially sealed in the sealing cover 212
In, so that the sharp portion of whole connecting tube 213 is isolated with shell 211 and outside air, which is set in the sealing
The outside of lid 212.
Refering to Fig. 1 and Fig. 2, vacuumizing part 3 includes connecting tube 31, hose 32 and vacuum pump 33, which connects
The vacuum pump 33 is connect, the other end connects the connecting tube 31, which is to take out the syringe shell of piston rod, the connecting tube
31 lower ends match connection with the first Clave connector 21.
Syringe equipped with electrolyte is used to inject electrolyte into battery case, and the syringe is equipped with six, every altogether
Syringe lower end equipped with electrolyte matches connection with one second Clave connector 22 respectively, every one second Clave connector 22
Lower end corresponds to a battery case 14.
Refering to Fig. 3, vacuum electrolyte filling device of the invention is not when working, 31 lower end of connecting tube of vacuumizing part 3 and dress
The syringe lower end for having electrolyte is not inserted into Clave connector 2, and at this time, the sealing cover of Clave connector 2 leads connection
The sharp portion of pipe is sealed in the sealing cover, is isolated with shell and outside air.
Refering to Fig. 4, the vacuum electrolyte filling device of embodiment is when carrying out vacuumizing work, first by the company of vacuumizing part 3
Adapter 31 is pressed downward to inside the shell 211 of the first Clave connector 21, and opens vacuum pump 33, since connecting tube 31 is downward
Pressure, forces the sealing cover 212 of the first Clave connector 21 to compress downwards, and the sealing cover 212 is by the sharp portion of connecting tube 213
Puncture, expose the through hole 2131 on sharp portion side wall, vacuum pump 33 passes sequentially through hose 32, connecting tube 31, connects and lead at this time
The cavity inside through hole 2131 and connecting tube 213 in pipe extracts the indoor air of vacuum chamber out, so as to complete to vacuumize work
Make.
Refering to Fig. 5, after completing to vacuumize work, the syringe equipped with electrolyte is pressed downward into the second Clave connector
Inside 22 shell 221, the sealing cover 222 of the second Clave connector 22 is forced to compress downwards, the sealing cover 222 is by connecting tube
223 sharp portion punctures, and exposes the through hole 2231 on sharp portion side wall, at this time the electrolyte in the syringe equipped with electrolyte
Flowed into by the through hole 2231 on sharp portion side wall in the cavity inside connecting tube 223, and then instill the second Clave connector
The corresponding battery case 14 in 22 lower ends, completes fluid injection work.
The connecting tube of vacuumizing part is pressed into after the first Clave connector and the syringe equipped with electrolyte is pressed into
After second Clave connector, Clave connector remains isolation with the external world, i.e. vacuum chamber remains air-tight state,
Only Clave connector inside is with vacuumizing part and/or the syringe equipped with electrolyte carries out the movement of gas or liquid, institute
It can both be carried out, can also be carried out during vacuumizing, due to vacuum after vacuumizing work and completing with fluid injection work
Chamber carries out the vacuum that fluid injection work does not interfere with vacuum chamber all the time in the state that vacuumizes in vacuum.
In the vacuum electrolyte filling device of the present invention, electrode slice to be infiltrated is put into battery case, meeting during due to vacuumizing
Air in electrode slice gap is discharged, hence in so that in injection process, electrolyte can smoothly enter in the gap of electrode slice,
Realize good effect of impregnation.
Embodiment 2
The present embodiment and the specification for differing only in vacuum chamber of embodiment 1 are of different sizes.
In the present embodiment, vacuum chamber 1 is cylindrical chamber, and base 11 is cup dolly, its a diameter of 80mm, side wall 12
Height be 50mm, head cover 13 is circular top cover, its a diameter of 70mm.
Embodiment 3
The present embodiment and the specification for differing only in vacuum chamber of embodiment 1 are of different sizes.
In the present embodiment, vacuum chamber 1 is cylindrical chamber, and base 11 is cup dolly, its a diameter of 120mm, side wall
12 height is 100mm, and head cover 13 is circular top cover, its a diameter of 110mm.
Embodiment 4
The present embodiment is differed only in embodiment 1, in the present embodiment, electricity is not provided with the base of vacuum chamber 1
Pond groove.
Embodiment 5
The present embodiment provides a kind of Clave connector, its structure is identical with the Clave connector structure in embodiment 1.
In order to verify the fluid injection effect of vacuum electrolyte filling device of the present invention, inventor has also carried out capacitor and battery performance is surveyed
Examination.
Capacitor preparation example
(1) electrode slice is prepared：Carbon nano-tube film is pressed in nickel foam using the mode of superposition, electrode slice, electricity is made
Pole piece surface density reaches 7.17mg/cm2。
(2) electrode slice is infiltrated：Using the vacuum electrolyte filling device of the embodiment of the present invention 1, the battery case of specification 2025 is put into
In the battery case of base, obtained electrode slice in (1) is put into battery case, packing ring is put into the groove of base, covers top
Lid, seals vacuum chamber；
First Clave connector is connected with connecting tube, hose both ends are connected into connecting tube and vacuum pump respectively, is opened true
Sky pump carries out pumping operation, is evacuated 30min；
The second Clave connector will be connected equipped with the syringe lower end of 6mol/L KOH electrolyte, and can be come good fortune by second
Connector injects 0.5mL electrolyte into the battery case of correspondence position, continues to be evacuated 10min.
Wherein, the battery case of specification 2025 can be public by commercially available acquisition, such as the source battery limited material of Shanxi power
2025 battery cases that department produces and sells.
(3) ultracapacitor is assembled：Prepared according to the step of (1) and (2) and infiltrate two electrode slices, by two after infiltration
A electrode slice takes out, and is assembled into ultracapacitor, is named as DRQ-1.
Battery preparation example
(1) electrode slice is prepared：The carbon pipe for being 70% using infrared tablet press machine compacting sulphur load capacity, is made electrode slice, electrode
Piece surface density reaches 7.0mg/cm2。
(2) electrode slice is infiltrated：It is put into using the vacuum electrolyte filling device of the embodiment of the present invention 1, and by the vacuum electrolyte filling device
In glove box, the battery case of specification 2025 is put into the battery case of base, is put into electrode slice is made in (1) in battery case,
Packing ring is put into the groove of base, top cover, seals vacuum chamber；
First Clave connector is connected with connecting tube, hose both ends are connected into connecting tube and vacuum pump respectively, is opened true
Sky pump carries out pumping operation, is evacuated 30min；
The syringe lower end of LiTFSI electrolyte equipped with 1mol/L is connected into the second Clave connector, and can by second
Carry out good fortune connector and 0.4mL electrolyte is injected into the battery case of correspondence position, continue to be evacuated 10min.
Wherein, the battery case of specification 2025 can be public by commercially available acquisition, such as the source battery limited material of Shanxi power
2025 battery cases that department produces and sells.
Wherein, LiTFSI electrolyte refers to double trifluoromethanesulfonimide lithium electrolytes.
(3) assembled battery：Electrode slice after infiltration is taken out and is used as cathode, by the use of lithium piece as anode, in glove box
Battery is assembled into, is named as DC-1.
Comparative example 1
Comparative example 1 is differed only in capacitor preparation example, and two in comparative example 1 electrode slice is not used of the invention true
Empty priming device infiltration, the mode for only taking nature dropwise addition infiltration infiltrate electrode slice, the super capacitor that comparative example 1 finally assembles
Device is named as D1.
Comparative example 2
Comparative example 2 is differed only in battery preparation example, and vacuum liquid filling of the present invention is not used in the electrode slice in comparative example 2
Device infiltrates, and the mode for only taking nature dropwise addition infiltration infiltrates electrode slice, and the battery that comparative example 2 finally assembles is named as D2.
Capacitor and battery performance test
1st, cyclic voltammetric (cyclic voltammetry, CV) curve is tested
After DRQ-1 and D1 are shelved 360min, difference test loop volt-ampere (CV) curve.
Instrument：RST5000 type electrochemical workstations；Conditional parameter：1st potential setting of turning back is 1V, and the 2nd current potential of turning back is set
It is set to 0V, sweep speed is set as 0.025V/s, sampling interval 0.001V.
According to formula：Wherein c is specific capacity,It is cyclic voltammetric (CV) curve
The half of the area surrounded, m are the gross masses of the active electrode material of two electrode slices, and υ is sweep speed, it is known that, work as electrode
When tablet quality is identical with sweep speed, the area of cyclic voltammetric (CV) curve reflects the size of specific capacity.
Active electrode material can be the electrode materials such as activated carbon, carbon nanotubes or graphene.In this experiment, it is effectively electric
Pole material is carbon nanotubes.
The result of this experiment is referring to Fig. 6, and since DRQ-1 is as the electrode tablet quality of D1, sweep speed is the same, in Fig. 6
The area that cyclic voltammetric (CV) curve of the area that cyclic voltammetric (CV) curve of DRQ-1 surrounds more than D-1 surrounds, so DRQ-
1 is higher than the specific capacity of D1, it was demonstrated that vacuum electrolyte filling device of the present invention helps to be lifted electrolyte to the effect of impregnation of electrode slice, makes to surpass
The energy storage capacity of level capacitor has a certain upgrade.
2nd, cycle performance is tested
After DC-1 and D2 are shelved 360min, difference test loop performance.
Instrument：New prestige battery performance testing system；Conditional parameter：Charge cutoff voltage is set as 2.8V, electric discharge cut-off electricity
Pressure is set as 1.5V, and the charge-discharge magnification of battery is set as 0.33mAh/cm2。
The result of this experiment is higher than the specific capacity of D2 referring to Fig. 7, as can be seen from Figure 7 DC-1, it was demonstrated that vacuum of the present invention
Priming device helps to be lifted electrolyte to the effect of impregnation of electrode slice, makes the active electrode material in electrode slice more efficient
Play a role and then improve specific capacity, the energy storage capacity of battery is had a certain upgrade.
Active electrode material can be the electrode materials such as activated carbon, carbon nanotubes or graphene.In this experiment, it is effectively electric
Pole material is carbon pipe.
The above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not to the present invention
Embodiment restriction.For those of ordinary skill in the field, can also make on the basis of the above description
Other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.It is all the present invention
All any modification, equivalent and improvement made within spirit and principle etc., should be included in the protection of the claims in the present invention
Within the scope of.
Claims (9)
- A kind of 1. vacuum electrolyte filling device, it is characterised in that including：Vacuum chamber, Clave connector, vacuumizing part and equipped with electricity The syringe of liquid is solved, the vacuum chamber is enclosed by base, side wall and head cover and formed, and is equipped with the head cover some for plugging The perforate of the Clave connector, the vacuumizing part include connecting tube, hose and vacuum pump, and described hose one end connects institute Vacuum pump is stated, the other end connects the connecting tube；The Clave connector includes shell, sealing cover and connecting tube, the inside up/down perforation of the shell, and the connection is led The inside of pipe is a cavity, and the top of the connecting tube is a taper sharp portion, and the side wall of the sharp portion is equipped with least One through hole, the through hole are communicated in the internal cavities of the connecting tube, and the sealing cover is set in the outer of the connecting tube Portion, makes the sharp portion of the connecting tube isolate with the shell, the shell is set in the outside of the sealing cover；The Clave connector is plugged in the perforate of the head cover, and the Clave connector includes being used for first vacuumized Clave connector and the second Clave connector for fluid injection, the first Clave connector upper end and the vacuumizing part Connecting tube matching connection, the second Clave connector upper end matches connection with the syringe equipped with electrolyte.
- 2. vacuum electrolyte filling device according to claim 1, it is characterised in that：The sealing cover of the Clave connector by with Elastically-deformable material is made, and during the non-stress of the sealing cover, the through hole of the sharp portion side wall of the connecting tube is sealed in In the sealing cover；When the sealing cover stress is compressed downwards, the sealing cover is punctured by the sharp portion of the connecting tube, is made The through hole of the sharp portion side wall exposes outside the sealing cover.
- 3. vacuum electrolyte filling device according to claim 1, it is characterised in that：The vacuum chamber is cylindrical chamber, institute It is cup dolly to state base, and the head cover is circular top cover, a diameter of 40-160mm of the base, and the Sidewall Height is 50-200mm, a diameter of 30-150mm of the head cover.
- 4. vacuum electrolyte filling device according to claim 3, it is characterised in that：A diameter of 80-120mm of the base, institute It is 50-100mm, a diameter of 70-110mm of the head cover to state Sidewall Height.
- 5. vacuum electrolyte filling device according to claim 1 or 2, it is characterised in that：The base of the vacuum chamber is equipped with At least one battery case and a groove, the battery case are used for placing battery shell, or for placing ultracapacitor shell, it is described It is equipped with packing ring in groove, the vacuum chamber is by the packing ring, the side wall and described that are set in the base, the base groove Head cover is enclosed and formed.
- 6. vacuum electrolyte filling device according to claim 5, it is characterised in that：A diameter of 18mm-25mm of the battery case.
- 7. vacuum electrolyte filling device according to claim 6, it is characterised in that：A diameter of 20.5mm- of the battery case 21mm。
- 8. vacuum electrolyte filling device according to claim 5, it is characterised in that：The lower section of second Clave connector corresponds to The battery case is set, and the connecting tube of the vacuumizing part is syringe shell.
- 9. vacuum electrolyte filling device according to claim 5, it is characterised in that：It is described equipped with electricity during vacuumizing Solve liquid syringe by second Clave connector to the battery case fluid injection, or complete vacuumize after, it is described to be equipped with The syringe of electrolyte is by second Clave connector to the battery case fluid injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542481.9A CN105576276B (en) | 2014-10-14 | 2014-10-14 | A kind of vacuum electrolyte filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410542481.9A CN105576276B (en) | 2014-10-14 | 2014-10-14 | A kind of vacuum electrolyte filling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105576276A CN105576276A (en) | 2016-05-11 |
| CN105576276B true CN105576276B (en) | 2018-04-24 |
Family
ID=55886163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410542481.9A Active CN105576276B (en) | 2014-10-14 | 2014-10-14 | A kind of vacuum electrolyte filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105576276B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987663A (en) * | 2018-08-17 | 2018-12-11 | 超威电源有限公司 | A kind of lead-acid accumulator priming device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085383A (en) * | 2006-05-05 | 2007-12-12 | 回缩技术股份有限公司 | Syringe with recessed nose for use with frontal attachments |
| CN102319706A (en) * | 2011-05-07 | 2012-01-18 | 李林风 | Indwelling catheter embolism clearing device based on negative pressure suction principle |
| EP2606930A1 (en) * | 2011-12-21 | 2013-06-26 | Gordon Hadden | Syringe sterilization cap |
| CN103599576A (en) * | 2013-11-20 | 2014-02-26 | 广东工业大学 | Disposable automatic streaming-stopping liquid-residue-prevention type blood transfusion apparatus |
| CN103845791A (en) * | 2014-03-13 | 2014-06-11 | 李宜 | Indwelling catheter trace slow-release transfusion device |
-
2014
- 2014-10-14 CN CN201410542481.9A patent/CN105576276B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101085383A (en) * | 2006-05-05 | 2007-12-12 | 回缩技术股份有限公司 | Syringe with recessed nose for use with frontal attachments |
| CN102319706A (en) * | 2011-05-07 | 2012-01-18 | 李林风 | Indwelling catheter embolism clearing device based on negative pressure suction principle |
| EP2606930A1 (en) * | 2011-12-21 | 2013-06-26 | Gordon Hadden | Syringe sterilization cap |
| CN103599576A (en) * | 2013-11-20 | 2014-02-26 | 广东工业大学 | Disposable automatic streaming-stopping liquid-residue-prevention type blood transfusion apparatus |
| CN103845791A (en) * | 2014-03-13 | 2014-06-11 | 李宜 | Indwelling catheter trace slow-release transfusion device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105576276A (en) | 2016-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100395904C (en) | Process and device for cell pole piece pressurization and injection | |
| CN109186846B (en) | Multipurpose battery gas production in-situ detection and analysis device | |
| CN201038226Y (en) | Battery vacuum liquid injection device | |
| CN105576276B (en) | A kind of vacuum electrolyte filling device | |
| CN102324588A (en) | Equipment for detecting pressure inside cylindrical lithium ion battery | |
| CN203376189U (en) | Gas taking device for electrical core | |
| CN208570805U (en) | A kind of end face weld battery convenient for fluid injection | |
| CN208142272U (en) | A kind of lithium battery electrolytes attachment means | |
| WO2022116021A1 (en) | Electrolyte sampling device for lithium battery production | |
| CN200962138Y (en) | Fully-closed three-pole system test device | |
| CN202471359U (en) | Waterproof shell being convenient for seal test | |
| CN217901656U (en) | Laminate polymer battery detection mechanism | |
| CN206490131U (en) | The liquid injecting mouth of filling machine | |
| CN206441805U (en) | A kind of porous material electrode slice vacuum filling electrolytic solution device | |
| CN209471051U (en) | Electrochemical in-situ Raman analysis testing mould | |
| CN204855331U (en) | Lithium ion batteries cathode materials compacted density test fixture | |
| CN206557216U (en) | A kind of experimental rig of high pressure electrical material to dissolved gas in oil | |
| CN208187803U (en) | A kind of air trapping container and portable gas sample harvester | |
| CN213456309U (en) | Portable gas sampling device | |
| CN201110890Y (en) | Battery tester | |
| CN205863018U (en) | Liquid-injection sealing machine | |
| CN209640046U (en) | Battery producing gas acquisition device and battery producing gas detection system | |
| CN202758990U (en) | Lithium-ion battery capable of replenishing electrolytes for battery unit | |
| CN217980947U (en) | Gather soil greenhouse gas's automatic gas device of getting | |
| CN217237394U (en) | Soft-package battery gas collecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |