CN208142272U - A kind of lithium battery electrolytes attachment means - Google Patents

A kind of lithium battery electrolytes attachment means Download PDF

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Publication number
CN208142272U
CN208142272U CN201820649542.5U CN201820649542U CN208142272U CN 208142272 U CN208142272 U CN 208142272U CN 201820649542 U CN201820649542 U CN 201820649542U CN 208142272 U CN208142272 U CN 208142272U
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CN
China
Prior art keywords
degasser
fluid injection
battery
lithium battery
priming device
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Expired - Fee Related
Application number
CN201820649542.5U
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Chinese (zh)
Inventor
武建军
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Datong Xincheng New Material Co Ltd
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Datong Xincheng New Material Co Ltd
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Priority to CN201820649542.5U priority Critical patent/CN208142272U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The utility model discloses a kind of lithium battery electrolytes attachment means, including:Liquid storage tank, separating pool, degasser, priming device, battery battery core clamping device, in actual use, separating pool is under the action of vacuum pump, lithium battery electrolytes are drawn from liquid storage tank, when fluid injection can be effectively reduced by removing the gas in solution by degasser, the generation of bubble, later under the action of vacuum pump, lithium battery electrolytes enter priming device, after priming device and battery battery core clamping device are coupled, it is completely in sealing state, gas is reduced to enter, and pass through the control to each valve and vacuum pump, while carrying out fluid injection, separating pool can carry out simultaneously from the operation that liquid storage tank draws lithium battery electrolytes, bubble generates when not only can control reservoir quantity and reducing fluid injection, also improve fluid injection efficiency.

Description

A kind of lithium battery electrolytes attachment means
Technical field
The utility model relates to battery technology field, in particular to a kind of lithium battery electrolytes attachment means.
Background technique
Lithium ion battery is the highest rechargeable battery of current specific energy, and lithium ion battery has operating voltage height, than energy The advantages that measuring big, pollution-free, memory-less effect and long-life is widely used in mobile phone, digital camera and notebook etc. just Take formula electrical installation.Bridge of the lithium-ion battery electrolytes as connection positive and negative anodes transmits lithium ion in inside battery, plays electricity The effect in pond " blood ".Lithium battery electrolytes are generally by groups such as a certain amount of organic solvent, electrolyte lithium salt, necessary additives At.
Injection electrolyte is the critical process of the cylindrical lithium ion battery of manufacture, currently known lithium ion battery liquid injection Mode has inverse inhalation type fluid injection and direct fluid injection.Inverse inhalation type fluid injection is that first lithium ion battery stands upside down with battery fluid, is pumped wherein Air, battery fluid under atmospheric pressure, is divided into lithium ion battery.Direct fluid injection is incited somebody to action by special force (forcing) pump Electrolyte is pumped into battery.
Inverse inhalation type fluid injection and direct fluid injection are all difficult to control injection rate, and the amount for injecting battery fluid is relatively more, meeting when fluid injection It overflows, wastes electrolyte, and lithium ion battery is put into electrolysis liquid pool, the surface of lithium ion battery is easy to be corroded, shadow Ring the beauty of lithium ion battery appearance.The amount for injecting battery fluid is fewer, will affect the performance of battery, in some instances it may even be possible to cause to explode Accident.The method of inverse inhalation type fluid injection is dissolved in the volume meeting of the gas in electrolyte after reducing the pressure of inside battery Expansion sharply and be easy to generate bubble, part electrolyte is trickled down on battery core pallet and vacuum tank wall after bubbles burst, is caused The corrosion of electrolyte waste and other equipment is usually to increase the fluid injection time to reduce the generation of such case, causes in this way Injection process inefficiency.
Utility model content
To overcome the problems in correlation technique, the utility model provide a kind of lithium battery electrolytes attachment means and plus Dress method, the generation of bubble, improves the efficiency of injection process when controlling reservoir quantity and reduce fluid injection.
A kind of lithium battery electrolytes attachment means are provided according to the embodiment of the present disclosure, including:Liquid storage tank, separating pool, degassing Device, priming device, battery battery core clamping device, the liquid storage tank, the separating pool are sealing container, the liquid storage tank with The separating pool is connected by pipeline, and the degasser is set to the bottom of the separating pool, and the degasser passes through Pipeline is connected with the separating pool by pipeline, and the priming device is set to the bottom of the degasser, the fluid injection Device is connected by pipeline with the degasser, and the battery battery core clamping device is set to the bottom of the priming device Portion;
The degasser includes degasser shell, and the degasser shell is internally provided with degassing fiber, institute The width for stating degassing fiber is equal to the inner width of the degasser shell, and the height of the degassing fiber is less than the degassing The height of crust of the device, the gap between the degasser shell and the degassing fiber is respectively top accommodating chamber and bottom Accommodating chamber, the inside of the degassing fiber are provided through a plurality of runner, and the outer wall of the degassing fiber is connected with check valve;
The priming device includes multiple groups fluid injection cup, is connected inside fluid injection cup described in multiple groups, the bottom of the fluid injection cup Portion is provided with filling head, and the filling head is in cylindrical shape, and the bottom of the filling head is provided with liquid injecting mouth;
The battery battery core clamping device includes upper clamping seats and lower clamping seats, the bottom shape of the upper clamping seats and institute The bottom shape for stating lower clamping seats matches, more at the top of multiple grooves of the bottom of the upper clamping seats and the lower clamping seats A groove section shape matches, multiple grooves at the top of multiple grooves of the bottom of the upper clamping seats and the lower clamping seats It is connected to form multiple battery battery core accommodating cavities, multiple special-shaped grooves is provided at the top of the upper clamping seats, the special-shaped groove Shape and the shape of the liquid injecting mouth match;
The bottom of the lower clamping seats is provided with multiple pumping slots, and the pumping slot and the battery battery core accommodating cavity pass through Through-hole is connected, the battery battery core accommodating cavity, the priming device, the separating pool outside be provided with vacuum suction Pump, is provided with valve body between the liquid storage tank and the separating pool, between the degasser and the priming device.
Optionally, liquid trap is provided between the degasser and the priming device, the liquid trap passes through more Pipeline is connected with the fluid injection cup respectively.
Optionally, the bottom of the filling head is in truncated cone, and the filling head bottom is provided with seal groove(421), institute It states seal groove and is internally provided with sealing ring.
Optionally, the fluid injection cup is internally provided with bend pipe, the inner cavity phase of one end of the bend pipe and the fluid injection cup Connection, the other end of the bend pipe extend to the bottom of the filling head and with bottom plane flush.
Optionally, one end that the bend pipe is connected with the inner cavity of the filling head is in arc-shaped and end and the fluid injection The bottom interior wall of head is in contact.
Optionally, the bottom of the liquid injecting mouth is inlaid with mouth, and the mouth is detachably connected with the liquid injecting mouth.
Optionally, the inner wall of the liquid storage tank is provided with high liquid level detector, middle liquid level detector and low liquid level monitoring Device.
By above technical scheme as it can be seen that lithium battery electrolytes attachment means provided by the embodiment of the utility model and method, Including:Liquid storage tank, separating pool, degasser, priming device, battery battery core clamping device, the liquid storage tank, the separating pool are equal For sealing container, the liquid storage tank is connected with the separating pool by pipeline, and the degasser is set to the separating pool Bottom, the degasser is connected with the separating pool by pipeline by pipeline, and the priming device is set to described The bottom of degasser, the priming device are connected by pipeline with the degasser, the battery battery core clamping device It is set to the bottom of the priming device.In actual use, separating pool is inhaled from liquid storage tank under the action of vacuum pump Lithium battery electrolytes are taken, when fluid injection can be effectively reduced by removing the gas in solution by degasser, the generation of bubble, it Afterwards under the action of vacuum pump, lithium battery electrolytes enter priming device, and priming device is matched with battery battery core clamping device After conjunction installs, it is completely in sealing state, gas is reduced and enters, and pass through the control to each valve and vacuum pump System, while carrying out fluid injection, separating pool can carry out simultaneously from the operation of liquid storage tank absorption lithium battery electrolytes, not only can be with Bubble generates when controlling reservoir quantity and reducing fluid injection, also improves fluid injection efficiency.
Detailed description of the invention
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model It is briefly described, it should be apparent that, for those of ordinary skills, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of overall schematic of the lithium battery electrolytes attachment means provided according to an exemplary embodiment;
Fig. 2 is that a kind of partial enlargement of the lithium battery electrolytes attachment means provided according to an exemplary embodiment is illustrated Figure;
Fig. 3 is that a kind of partial enlargement of the lithium battery electrolytes attachment means provided according to another exemplary embodiment is illustrated Figure;
Fig. 4 is a kind of schematic diagram of the bend pipe of the lithium battery electrolytes attachment means provided according to an exemplary embodiment.
Specific embodiment
Here the example is illustrated in the accompanying drawings will be illustrated to exemplary embodiment branch in detail.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the utility model.On the contrary, they be only with such as The example of the consistent device of some aspects be described in detail in the appended claims, the utility model.
Referring to Fig. 1, a kind of lithium battery electrolytes attachment means that disclosure first aspect provides, which is characterized in that packet It includes:Liquid storage tank 1, separating pool 2, degasser 3, priming device 4, battery battery core clamping device 5, the liquid storage tank 1, the liquid separation Pond 2 is sealing container, and the liquid storage tank 1 is connected with the separating pool 2 by pipeline, and the degasser 3 is set to institute The bottom of separating pool 2 is stated, the degasser 3 is connected with the separating pool 2 by pipeline by pipeline, the priming device 4 are set to the bottom of the degasser 3, and the priming device 4 is connected by pipeline with the degasser 3, the electricity Pond battery core clamping device 5 is set to the bottom of the priming device 4.
The degasser 3 includes degasser shell 35, and the degasser shell 35 is internally provided with degassing fibre Dimension 33, the width of the degassing fiber 33 are equal to the inner width of the degasser shell 35, the height of the degassing fiber 33 Degree is less than the height of the degasser shell 35, the gap point between the degasser shell 35 and the degassing fiber 33 Not Wei top accommodating chamber 31 and bottom accommodating chamber 36, it is described degassing fiber 33 inside be provided through a plurality of runner 32, it is described The outer wall of degassing fiber 33 is connected with check valve 34;Degassing fiber is formed from a resin, it can be hollow fibre made of resin The air penetrating film of dimension.The air penetrating film being made of doughnut is imporosity, and having keeps size smaller and tool movement Property the property that penetrates of higher gas molecule.Lithium battery electrolytes flow into degasser 3 due to gravity, from separating pool 2 In, it into after top accommodating chamber 31, flows into a plurality of runner 32, since check valve 34 is set to only permit gas from runner 32 Outflow flows into runner 32 without the gas outside allowing;The gas from liquid of lithium battery electrolytes China is ventilative towards gas Film avoids spreading, and the gas molecule of diffusion is focused near the inner peripheral surface of air penetrating film based on Fick's law, and gas is inhaled It receives in air penetrating film, and moves and be discharged to except air penetrating film in air penetrating film, to realize degassing Purpose reduces the gas content in lithium battery electrolytes.
The priming device 4 includes multiple groups fluid injection cup 41, is connected inside fluid injection cup 41 described in multiple groups, the fluid injection cup 41 bottom is provided with filling head 42, and the filling head 42 is in cylindrical shape, and the bottom of the filling head 42 is provided with liquid injecting mouth 43;Be connected inside multiple groups fluid injection cup 41 be in order to open priming device 4 outside vacuum pump 6, can to own Fluid injection cup 41 vacuumize simultaneously so that lithium battery electrolytes fill fluid injection cup 41 simultaneously;Filling head 42 is hollow structure, with Fluid injection cup 41 is connected.
The battery battery core clamping device 5 includes upper clamping seats 52 and lower clamping seats 51, the bottom of the upper clamping seats 52 Shape and the bottom shape of the lower clamping seats 51 match, the multiple grooves and the lower folder of the bottom of the upper clamping seats 52 Multiple groove section shapes at tight 51 top of seat match, multiple grooves of the bottom of the upper clamping seats 52 and the lower clamping Multiple grooves at 51 top of seat are connected to form multiple battery battery core accommodating cavities 53, and the top of the upper clamping seats 52 is provided with more A special-shaped groove 521, the shape of the special-shaped groove 521 and the shape of the liquid injecting mouth 43 match.
The bottom of the lower clamping seats 51 is provided with multiple pumping slots 511, and the pumping slot 511 and the battery battery core hold Chamber 53 is set to be connected by through-hole, the battery battery core accommodating cavity 53, the priming device 4, the separating pool 2 outside be all provided with It is equipped with vacuum pump 6, between the liquid storage tank 1 and the separating pool 2, between the degasser 3 and the priming device 4 It is provided with valve body 7.
In actual use, separating pool draws lithium battery electrolytes under the action of vacuum pump from liquid storage tank, When fluid injection can be effectively reduced by removing the gas in solution by degasser, the generation of bubble, later in vacuum pump Under effect, lithium battery electrolytes enter priming device, after priming device and battery battery core clamping device are coupled, locate completely It in sealing state, reduces gas and enters, and by the control to each valve and vacuum pump, carrying out the same of fluid injection When, separating pool from liquid storage tank draw lithium battery electrolytes operation can carry out simultaneously, fluid injection can be divided into so repeatedly into Row, bubble generates when not only can control reservoir quantity and reducing fluid injection, also improves fluid injection efficiency.
Preferably, liquid trap 8 is provided between the degasser 3 and the priming device 4, the liquid trap 8 passes through More root canal roads are connected with the fluid injection cup 41 respectively;Valve can be set on the pipeline of liquid trap 8 and fluid injection cup 41, work as collection Liquid device opens valve after being filled with again, and fluid injection cup 41 is enabled to divide equally the lithium battery electrolytes flow down.
Preferably, the bottom of the filling head 42 is in truncated cone, and 42 bottom of filling head is provided with seal groove 421, The seal groove 421 is internally provided with sealing ring, it is possible to reduce the entrance of gas.
Please referring to Fig. 2 and Fig. 4, it is preferable that the fluid injection cup 41 is internally provided with bend pipe 422, and the one of the bend pipe 422 End be connected with the inner cavity of the fluid injection cup 41, the other end of the bend pipe 422 extend to the bottom of the filling head 42 and with Bottom plane flush;After opening battery battery core clamping device 5, due to the effect of atmospheric pressure, lithium battery electrolytes are through bend pipe 422 Into filling head 42, enter lithium battery electrolytes using the gas that bend pipe can be further reduced in fluid injection cup 41.
Referring to Fig. 3, preferably, one end that the bend pipe 422 is connected with the inner cavity of the filling head 41 is in arc-shaped And end is in contact with the bottom interior wall of the filling head 41;The lithium battery electrolytes that bottom can be made a small amount of are set in this way It can enter in filling head 41 through bend pipe 422, reduce the waste of electrolyte.
Preferably, the bottom of the liquid injecting mouth 43 is inlaid with mouth 423, and the mouth 423 and the liquid injecting mouth 43 are removable Unload connection;The mouth 423 of liquid injecting mouth 43 is often contacted with battery battery core surface, be prone to wear cause it is poorly sealed, so by mouth First 423 are set as detachable or mouth 423 using more wear-resisting material, and leakproofness when fluid injection can be improved, reduce gas Entrance.
Preferably, the inner wall of the liquid storage tank 1 is provided with high liquid level detector 11, middle liquid level detector 12 and low liquid level Monitor 13;At each liquid level increase detector, the position of lithium battery electrolytes can be monitored in real time, prevent liquid level too low or When person's no liquid, opens vacuum pump and the pipeline of liquid storage tank is caused to be adsorbed on tube wall, avoid liquid storage tank and topple over Danger.
A kind of lithium battery electrolytes that the second aspect of the disclosure provides install method additional, include the following steps:
Choose lithium battery electrolytes attachment means as claimed in claim 1 to 7;
The valve body 7 between the liquid storage tank 1 and the separating pool 2 is opened, is opened described outside the separating pool 2 Vacuum pump 6, lithium battery electrolytes flow into the separating pool 2, and the electrolyte in the separating pool 2 closes after reaching a certain amount of Close the valve body 7 between the liquid storage tank 1 and the separating pool 2 and the vacuum pump 6 outside the separating pool 2;
Due to the effect of gravity, lithium battery electrolytes flow into the degasser 3;
It opens outside the valve body 7 and the priming device 4 between the degasser 3 and the priming device 4 The vacuum pump 6, lithium battery electrolytes flow into the priming device 4;
Close the valve body 7 and the priming device 4 opened between the degasser 3 and the priming device 4 While the external vacuum pump 6, the valve body 7 between the liquid storage tank 1 and the separating pool 2 and described is opened The vacuum pump 6 outside separating pool 2;
The priming device 4 is aligned with the battery battery core clamping device 5 after installing, opens the battery battery core folder The vacuum pump 6 outside tight device 5, completes fluid injection.
Those skilled in the art are considering specification and after practicing utility model disclosed herein, will readily occur to practical Novel other embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these Variations, uses, or adaptations follow the general principle of the utility model and including the undocumented this technology necks of the disclosure Common knowledge or conventional techniques in domain.The description and examples are only to be considered as illustrative, the utility model it is real Scope and spirit are pointed out by claim.

Claims (7)

1. a kind of lithium battery electrolytes attachment means, which is characterized in that including:Liquid storage tank(1), separating pool(2), degasser (3), priming device(4), battery battery core clamping device(5), the liquid storage tank(1), the separating pool(2)It is sealing container, The liquid storage tank(1)With the separating pool(2)It is connected by pipeline, the degasser(3)It is set to the separating pool(2) Bottom, the degasser(3)With the separating pool(2)It is connected by pipeline, the priming device(4)It is set to described Degasser(3)Bottom, the priming device(4)Pass through pipeline and the degasser(3)It is connected, the battery battery core Clamping device(5)It is set to the priming device(4)Bottom;
The degasser(3)Including degasser shell(35), the degasser shell(35)Be internally provided with degassing Fiber(33), the degassing fiber(33)Width be equal to the degasser shell(35)Inner width, the degassing is fine Dimension(33)Height be less than the degasser shell(35)Height, the degasser shell(35)With the degassing fiber (33)Between gap be respectively top accommodating chamber(31)With bottom accommodating chamber(36), the degassing fiber(33)Inside run through It is provided with a plurality of runner(32), the degassing fiber(33)Outer wall be connected with check valve(34);
The priming device(4)Including multiple groups fluid injection cup(41), fluid injection cup described in multiple groups(41)Inside is connected, the fluid injection Cup(41)Bottom be provided with filling head(42), the filling head(42)In cylindrical shape, the filling head(42)Bottom set It is equipped with liquid injecting mouth(43);
The battery battery core clamping device(5)Including upper clamping seats(52)With lower clamping seats(51), the upper clamping seats(52)'s Bottom shape and the lower clamping seats(51)Bottom shape match, the upper clamping seats(52)Bottom multiple grooves with The lower clamping seats(51)Multiple groove section shapes at top match, the upper clamping seats(52)Bottom multiple grooves With the lower clamping seats(51)Multiple grooves at top are connected to form multiple battery battery core accommodating cavities(53), the upper clamping seats (52)Top be provided with multiple special-shaped grooves(521), the special-shaped groove(521)Shape and the liquid injecting mouth(43)Shape phase Matching;
The lower clamping seats(51)Bottom be provided with multiple pumping slots(511), the pumping slot(511)With the battery battery core Accommodating cavity(53)It is connected by through-hole, the battery battery core accommodating cavity(53), the priming device(4), the separating pool(2) Outside be provided with vacuum pump(6), the liquid storage tank(1)With the separating pool(2)Between, the degasser(3) With the priming device(4)Between be provided with valve body(7).
2. a kind of lithium battery electrolytes attachment means according to claim 1, which is characterized in that the degasser(3) With the priming device(4)Between be provided with liquid trap(8), the liquid trap(8)By more root canal roads respectively with the fluid injection Cup(41)It is connected.
3. a kind of lithium battery electrolytes attachment means according to claim 1, which is characterized in that the filling head(42)'s Bottom is in truncated cone, the filling head(42)Bottom is provided with seal groove(421), the seal groove(421)It is internally provided with Sealing ring.
4. a kind of lithium battery electrolytes attachment means according to claim 1, which is characterized in that the fluid injection cup(41)'s It is internally provided with bend pipe(422), the bend pipe(422)One end and the fluid injection cup(41)Inner cavity be connected, the bend pipe (422)The other end extend to the filling head(42)Bottom and with bottom plane flush.
5. a kind of lithium battery electrolytes attachment means according to claim 4, which is characterized in that the bend pipe(422)With The filling head(42)One end for being connected of inner cavity in arc-shaped and end and the filling head(42)Bottom interior wall connect Touching.
6. a kind of lithium battery electrolytes attachment means according to claim 1, which is characterized in that the liquid injecting mouth(43)'s Bottom is inlaid with mouth(423), the mouth(423)With the liquid injecting mouth(43)It is detachably connected.
7. a kind of lithium battery electrolytes attachment means according to claim 1, which is characterized in that the liquid storage tank(1)'s Inner wall is provided with high liquid level detector(11), middle liquid level detector(12)And low liquid level monitor(13).
CN201820649542.5U 2018-05-03 2018-05-03 A kind of lithium battery electrolytes attachment means Expired - Fee Related CN208142272U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820649542.5U CN208142272U (en) 2018-05-03 2018-05-03 A kind of lithium battery electrolytes attachment means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820649542.5U CN208142272U (en) 2018-05-03 2018-05-03 A kind of lithium battery electrolytes attachment means

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CN208142272U true CN208142272U (en) 2018-11-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112282711A (en) * 2020-09-28 2021-01-29 中国石油天然气集团有限公司 Liquid filler and method for filling liquid into instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112282711A (en) * 2020-09-28 2021-01-29 中国石油天然气集团有限公司 Liquid filler and method for filling liquid into instrument

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