CN220556603U - Electrolyte infiltration device of battery - Google Patents
Electrolyte infiltration device of battery Download PDFInfo
- Publication number
- CN220556603U CN220556603U CN202321885379.XU CN202321885379U CN220556603U CN 220556603 U CN220556603 U CN 220556603U CN 202321885379 U CN202321885379 U CN 202321885379U CN 220556603 U CN220556603 U CN 220556603U
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- communicated
- infiltration
- battery
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- 239000003792 electrolyte Substances 0.000 title claims abstract description 83
- 230000008595 infiltration Effects 0.000 title claims abstract description 63
- 238000001764 infiltration Methods 0.000 title claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims description 19
- 238000005086 pumping Methods 0.000 claims description 12
- 230000010355 oscillation Effects 0.000 abstract description 23
- 239000013543 active substance Substances 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract description 10
- 239000007924 injection Substances 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002791 soaking Methods 0.000 description 5
- 238000007086 side reaction Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002001 electrolyte material Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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
Landscapes
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model relates to the technical field of batteries, in particular to an electrolyte infiltration device of a battery, which aims to solve the problem of low electrolyte infiltration efficiency in the prior art when the battery is infiltrated by liquid injection. For this purpose, the electrolyte infiltration device of the battery comprises a sealed cylinder body, wherein a sealed cavity is formed in the sealed cylinder body; the first air inlet of the first valve body is communicated with the sealing cavity; the second air inlet of the second valve body is communicated with the air charging device, and the second air outlet of the second valve body is communicated with the sealing cavity; and the first valve body and the second valve body are connected with the controller. The first valve body and the second valve body are controlled by the controller to be repeatedly and circularly opened and closed, repeated inflation and exhaust of the sealed cavity are realized, namely, air pressure oscillation is generated, and the electrolyte is helped to quicken the infiltration speed of the electrolyte to the active substances in the battery cell, so that the infiltration effect is improved, and the infiltration efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of batteries, and particularly provides an electrolyte infiltration device of a battery.
Background
In the industrial manufacturing production process of lithium batteries, liquid injection and infiltration are needed, wherein liquid injection is the process of injecting electrolyte into the battery cells, infiltration is the process of absorbing the injected electrolyte into the battery cells, and the speed of absorbing the electrolyte is low due to active substances in the battery cells of the batteries, so that the infiltration process is often very time-consuming.
In the traditional infiltration device, electrolyte can only be infiltrated into the active substances of the battery cells by a negative pressure pumping and high pressure gas control method, but the infiltration method has longer pressure maintaining time of negative pressure and positive pressure, and in the pressure maintaining process of the negative pressure and the positive pressure, the electrolyte and the active substances are in a dynamic balance state, and the electrolyte does not fully infiltrate or diffuse the active substances, so that the infiltration efficiency is lower.
Accordingly, there is a need in the art for a new electrolyte wetting device for a battery to solve the above-described problems.
Disclosure of Invention
The utility model aims to solve the technical problems, namely the problem of low electrolyte infiltration efficiency during electrolyte injection infiltration of the battery in the prior art.
The utility model provides an electrolyte infiltration device of a battery, which comprises a sealed cylinder body, wherein a sealed cavity is formed in the sealed cylinder body; the first air inlet of the first valve body is communicated with the sealing cavity; the second air inlet of the second valve body is communicated with the air charging device, and the second air outlet of the second valve body is communicated with the sealing cavity; and the first valve body and the second valve body are connected with the controller.
Under the condition of adopting the technical scheme, the controller controls the opening and closing of the first valve body and the second valve body, when the first valve body is opened, the second valve body is closed, and the sealed cavity is communicated with the external environment to perform exhaust depressurization; when the second valve body is opened, the first valve body is closed, and the sealing cavity is communicated with the inflating device to inflate and boost pressure; the controller controls the first valve body and the second valve body to repeatedly and circularly open and close, so that repeated inflation and exhaust of the sealed cavity are realized, namely air pressure oscillation is generated, and air in the battery cell can be rapidly expanded and contracted through the rapid repeated air pressure oscillation, so that the electrolyte is pushed to advance and retreat, the electrolyte is finally helped to accelerate the infiltration speed of the electrolyte on active substances in the battery cell, the infiltration effect is improved, and the infiltration efficiency is improved.
In a specific embodiment of the electrolyte infiltration device of the battery, the first air outlet of the first valve body is communicated with the negative pressure pumping device.
Under the condition of adopting the technical scheme, the negative pressure pumping device pumps negative pressure to the sealing cavity through the first valve body, so that air pressure oscillation, namely negative pressure oscillation, of the sealing cavity in a negative pressure range is realized under the cooperation of the first valve body and the second valve body.
In a specific embodiment of the electrolyte impregnating device of the battery, the gas filling device is filled with a protective gas.
Under the condition of adopting the technical scheme, when the sealed cavity is inflated, the protective gas is inflated, so that side reactions of the gas and the electrolyte are prevented, and the production quality of the battery is ensured.
In a specific embodiment of the foregoing electrolyte infiltration apparatus for a battery, the electrolyte infiltration apparatus for a battery further includes: the third air inlet of the third valve body is communicated with the high-pressure air charging device, and the third air outlet of the third valve body is communicated with the sealing cavity; the fourth air inlet of the fourth valve body is communicated with the sealing cavity, and the fourth air outlet of the fourth valve body is communicated with the exhaust device; the third valve body and the fourth valve body are connected with the controller.
Under the condition of adopting the technical scheme, the controller controls the opening and closing of the third valve body and the fourth valve body, when the third valve body is opened, the fourth valve body is closed, and the sealing cavity is communicated with the high-pressure inflating device to perform high-pressure inflating and boosting; when the fourth valve body is opened, the third valve body is closed, and the sealing cavity is communicated with the exhaust device to perform exhaust and depressurization; the controller controls the third valve body and the fourth valve body to repeatedly and circularly open and close, so that repeated inflation and exhaust of the sealed cavity are realized, namely air pressure oscillation is generated, and air in the battery cell can be rapidly expanded and contracted through the rapid repeated air pressure oscillation, so that the electrolyte is pushed to advance and retreat, the electrolyte is finally helped to accelerate the infiltration speed of the electrolyte on active substances in the battery cell, the infiltration effect is improved, and the infiltration efficiency is improved. In addition, since the third valve body is communicated with the high-pressure inflator, the air pressure oscillation of the seal chamber in the positive pressure range, that is, the positive pressure oscillation can be achieved.
In a specific embodiment of the electrolyte soaking device of the battery, the exhaust device is an exhaust gas collecting device.
Under the condition of adopting the technical scheme, the tail gas collecting device is used for reducing the air pressure in the sealing cavity through the fourth valve body and collecting the tail gas.
In a specific embodiment of the electrolyte impregnating device of the battery, the high-pressure inflating device is filled with a protective gas.
Under the condition of adopting the technical scheme, when the sealed cavity is inflated, the protective gas is inflated, so that side reactions of the gas and the electrolyte are prevented, and the production quality of the battery is ensured.
In a specific embodiment of the electrolyte infiltration device of the battery, the first valve body is a pressure type electric proportional valve, the second valve body is a flow type electric proportional valve, the third valve body is a pressure type electric proportional valve, and the fourth valve body is a flow type electric proportional valve.
Under the condition of adopting the technical scheme, when the negative pressure oscillates, the controller controls the opening and closing of the first valve body through setting the pressure value, and controls the speed of inflation and pressure boosting through setting the flow value which is introduced into the second valve body; when the positive pressure oscillation is carried out, the controller controls the opening and closing of the third valve body through setting a pressure value, and controls the speed of exhausting and reducing pressure through setting a flow value which is communicated with the fourth valve body; by combining the matched operation of the different valve bodies, the air pressure of different modes can be controlled, so that the interaction between the air and the electrolyte is enhanced, the diffusion and infiltration speed of the electrolyte to active substances in the battery cell are accelerated, the electrolyte infiltration efficiency is improved, and the electrolyte injection infiltration time is shortened. In addition, the consumption of the protective gas is reduced due to the shortened soaking time of the injection liquid, so that the cost is saved; meanwhile, the boiling point of the electrolyte is reduced along with the reduction of the air pressure, so that the volatilization of the electrolyte is obvious in a negative pressure state, and the volatilization of the electrolyte is reduced under the condition of shortening the infusion soaking time, thereby being beneficial to protecting the environment and saving the cost.
In a specific embodiment of the electrolyte infiltration device of the battery, the sealing cylinder body comprises a base and a shell detachably mounted on the base, the sealing cavity is formed between the shell and the base, and the first valve body, the second valve body, the third valve body and the fourth valve body are arranged on the shell.
Under the condition of adopting the technical scheme, the shell can be detachably installed, and the battery can be conveniently opened and taken.
In a specific embodiment of the electrolyte infiltration device of the battery, at least one clamping block is arranged at the lower end of the shell, a clamping groove is formed in the base, and the clamping block is fixedly clamped with the clamping groove.
Under the condition of adopting the technical scheme, the shell and the base are fixed together through the clamping connection of the clamping block and the clamping groove, and meanwhile, the disassembly and the assembly of the shell are convenient, and the operation is simple and convenient.
In a specific embodiment of the electrolyte impregnating device of the battery, a sealing rubber pad is arranged between the base and the shell.
Under the condition of adopting the technical scheme, the sealing of the shell and the base after installation is realized through the sealing rubber gasket, so that a sealing cavity is obtained.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view showing the overall structure of an electrolyte impregnating apparatus of a battery according to the present utility model;
FIG. 2 is a top view of the electrolyte wetting device of the battery of the present utility model;
fig. 3 is a graph showing the variation of air pressure in one embodiment of the rapid infiltration operation by the electrolyte infiltration apparatus of the battery of the present utility model.
List of reference numerals:
1-shell, 2-base, 3-first valve body, 4-second valve body, 5-third valve body, 6-fourth valve body, 7-controller, 11-joint piece, 21-draw-in groove.
Detailed Description
Some embodiments of the utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model. Those skilled in the art can adapt it as desired to suit a particular application.
It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directional or positional relationships, and are based on the directional or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the relevant devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the ordinal terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Based on the problem that in the prior art, electrolyte infiltration efficiency is low when a battery is infiltrated by injecting liquid, the utility model provides an electrolyte infiltration device of a battery, and aims to improve infiltration effect and infiltration efficiency by carrying out air pressure oscillation in a sealed cavity through arrangement of different valve bodies.
Referring to fig. 1 and 2, fig. 1 shows the overall structure of the electrolyte infiltration apparatus of the battery of the present utility model, and fig. 2 shows a top view of the electrolyte infiltration apparatus of the battery of the present utility model. As shown in fig. 1-2, the electrolyte infiltration device of the battery of the present utility model comprises a base 2 and a housing 1 detachably mounted on the base 2, wherein a sealing rubber pad is arranged between the base 2 and the housing 1, and is used for forming a sealing cavity between the housing 1 and the base 2 when the housing 1 is mounted on the base 2. The lower extreme of casing 1 is provided with at least one joint piece 11, is provided with draw-in groove 21 on the base 2, and joint piece 11 is fixed with draw-in groove 21 joint, and casing 1 is when the installation, aligns the opening in draw-in groove with joint piece 11 and enters into the draw-in groove through the opening in, rotates casing 1, with joint piece 11 joint in the draw-in groove.
It will be appreciated by those skilled in the art that although the structure of detachably connecting the base 2 and the housing 1 has been described above with reference to fig. 1-2, this is not limitative, but it is also possible to provide a case and a cover, or a case with a door opening/closing structure, etc., within the scope of the present utility model. In addition, the sealing between the base 2 and the housing 1 may be performed by providing a sealing rubber gasket, or by providing a sealing rubber ring or coating a sealing rubber, etc., and may be adjusted as required by those skilled in the art. Moreover, the detachable fixing manner of the housing 1 and the base 2 may be a clamping structure of the clamping block 11 and the clamping groove 21, or may be a clamping manner of a buckle, or a bolt connection manner, etc., which are all within the protection scope of the present utility model.
The battery is placed in sealed cavity, and the battery links to each other with annotating the liquid cup through anchor clamps, contains electrolyte in annotating the liquid cup, in annotating the liquid in-process, need annotate the battery cell of battery with electrolyte, when the outside pressure of battery cell is strong when being greater than inside pressure, electrolyte is impressed in the battery cell and annotates the liquid, and when the outside pressure of battery cell is less than inside pressure, the gaseous discharge in the battery cell, the bubble that adheres to on the active material in the battery cell reduces, electrolyte and active material fully contact to realize better infiltration. Because the active substances are usually porous media, the absorption speed of the electrolyte is slower, and the injection infiltration process is time-consuming, a plurality of valve bodies are arranged on the shell 1, and the air pressure value in the sealing cavity is controlled by controlling the opening and closing of each valve body, so that the injection infiltration effect of the electrolyte is effectively improved.
The shell 1 is provided with a first valve body 3, a second valve body 4, a third valve body 5, a fourth valve body 6 and a controller 7, wherein the first valve body 3, the second valve body 4, the third valve body 5 and the fourth valve body 6 are connected with the controller 7, the controller 7 is used for controlling the opening and closing of each valve body, and the controller 7 is used for controlling each valve body through wire connection or wireless connection. Specifically, be provided with four air vents on the casing 1, be provided with a joint on four air vents respectively, four connect respectively with first valve body 3, second valve body 4, third valve body 5, fourth valve body 6 through the trachea intercommunication, connect and casing sealing connection, avoid gas leakage.
The first air inlet of the first valve body 3 is communicated with the sealing cavity, and the first air outlet of the first valve body 3 is communicated with the negative pressure pumping device; the second air inlet of the second valve body 4 is communicated with the air charging device, and the second air outlet of the second valve body 4 is communicated with the sealing cavity; the third air inlet of the third valve body 5 is communicated with the high-pressure air charging device, and the third air outlet of the third valve body 5 is communicated with the sealing cavity; the fourth air inlet of the fourth cavity is communicated with the sealing cavity, and the fourth air outlet of the fourth cavity is communicated with the exhaust device. The first valve body 3 and the second valve body 4 are matched for use, so that air pressure oscillation of the sealed cavity in a negative pressure range is realized; the third valve body 5 and the fourth valve body 6 are matched for use, so that the air pressure oscillation of the sealed cavity in the positive pressure range is realized; through the separate action or the combined action of negative pressure oscillation and positive pressure oscillation, the gas in the battery cell can be expanded and contracted rapidly, so that the electrolyte is pushed to advance and retreat, the infiltration speed of the electrolyte to active substances in the battery cell is improved, the infiltration effect is improved, and the infiltration efficiency is improved. Specifically, when the first valve body 3 and the second valve body 4 are matched to operate, the third valve body 5 and the fourth valve body 6 are closed, when the first valve body 3 is opened, the second valve body 4 is closed, and the sealing cavity is communicated with the negative pressure pumping device to pump negative pressure and reduce pressure; when the second valve body 4 is opened, the first valve body 3 is closed, and the sealing cavity is communicated with the inflating device to inflate and boost pressure; the controller 7 controls the first valve body 3 and the second valve body 4 to be repeatedly opened and closed in a circulating way, so that the sealed cavity is repeatedly inflated and exhausted in a negative pressure range, namely negative pressure oscillation is generated. When the third valve body 5 and the fourth valve body 6 are matched for operation, the first valve body 3 and the second valve body 4 are closed, when the third valve body 5 is opened, the fourth valve body 6 is closed, and the sealing cavity is communicated with the high-pressure inflating device to perform high-pressure inflation and pressure boosting; when the fourth valve body 6 is opened, the third valve body 5 is closed, and the sealing cavity is communicated with the exhaust device to perform exhaust and depressurization; the controller 7 controls the third valve body 5 and the fourth valve body 6 to repeatedly and circularly open and close, so that the sealed cavity is repeatedly inflated and exhausted within the positive pressure range, namely positive pressure oscillation is generated.
Referring to fig. 3, for example, fig. 3 shows a graph of the variation of air pressure in time in seconds(s) and pressure in kilopascals (kPa) on the ordinate of one embodiment of the rapid infiltration operation by the electrolyte infiltration apparatus of the cell of the present utility model. One embodiment for achieving rapid infiltration by control of the electrolyte infiltration device of the cell is as follows:
s11: the first valve body 3 is controlled to be opened, the negative pressure pumping device pumps negative pressure to the sealed cavity, and when the air pressure reaches-80 kPa, the first valve body 3 is controlled to be closed;
s12: the second valve body 4 is controlled to be opened, the inflation device is used for inflating protective gas into the sealed cavity to boost pressure, and when the air pressure reaches-70 kPa, the second valve body 4 is controlled to be closed;
s13: repeating the operations S11 and S12, carrying out negative pressure oscillation, and controlling the first valve body 3 and the second valve body 4 to be closed after the preset times of circulation;
s14: the third valve body 5 is controlled to be opened, the high-pressure inflation device is used for inflating high-pressure protective gas into the sealed cavity to boost pressure, and when the air pressure reaches 500kPa, the third valve body 5 is controlled to be closed;
s15: the fourth valve body 6 is controlled to be opened, the exhaust device discharges air to the sealed cavity to reduce pressure, and when the air pressure reaches 450kPa, the fourth valve body 6 is controlled to be closed;
s16: repeating the operations S13 and S14, carrying out positive pressure oscillation, and controlling the third valve body 5 and the fourth valve body 6 to be closed after the preset times of circulation;
s17: and controlling the fourth valve body 6 to be opened, and exhausting and depressurizing the sealed cavity by the exhaust device.
S18: repeating operations S11-S17, and after the preset times of circulation, controlling the first valve body 3, the second valve body 4, the third valve body 5 and the fourth valve body 6 to stop working.
The preset times can be 10 times, or can be any times of 20 times, 30 times and the like, and a person skilled in the art can adjust the preset times according to specific use conditions so as to achieve the optimal electrolyte infiltration effect.
Another operation implementation process for realizing rapid infiltration by controlling the electrolyte infiltration device of the battery is as follows:
s21: the first valve body 3 is controlled to be opened, the negative pressure pumping device pumps negative pressure to the sealed cavity, and when the air pressure reaches-80 kPa, the first valve body 3 is controlled to be closed;
s22: the third valve body 5 is controlled to be opened, the high-pressure inflation device is used for flushing high-pressure protective gas to the sealing cavity to boost pressure, and when the air pressure reaches 500kPa, the third valve body 5 is controlled to be closed;
s23: the fourth valve body 6 is controlled to be opened, and the exhaust device is used for exhausting and reducing the pressure of the sealed cavity;
s24: repeating the operations S21-23, and after the preset times of circulation, controlling the first valve body 3, the third valve body 5 and the fourth valve body 6 to stop working.
Wherein the second valve body 4 is kept closed at all times.
Optionally, the negative pressure pumping device is a vacuum pump and is used for pumping negative pressure for the sealed cavity; the gas filling device and the high-pressure gas filling device are filled with the protective gas, the protective gas can effectively prevent side reactions between the gas and the electrolyte, the production quality of the battery is ensured, and the protective gas is preferably nitrogen; the exhaust device is a tail gas collecting device and is used for reducing the air pressure in the sealed cavity through the fourth valve body 6 and collecting the tail gas; the high-pressure inflating device can be used for directly filling high-pressure protective gas or filling normal-pressure protective gas, and the protective gas is pressurized by the booster pump when the protective gas is output, so that the high-pressure protective gas is finally output.
As a preferred embodiment, the first valve body 3 is a pressure type electric proportional valve, the second valve body 4 is a flow type electric proportional valve, the third valve body 5 is a pressure type electric proportional valve, and the fourth valve body 6 is a flow type electric proportional valve; during negative pressure oscillation, the controller 7 controls the opening and closing of the first valve body 3 by setting a pressure value, and controls the speed of inflation and pressure boosting by setting a flow value which is introduced into the second valve body 4; during positive pressure oscillation, the controller 7 controls the opening and closing of the third valve body 5 by setting a pressure value, and controls the speed of exhaust and depressurization by setting a flow value which is introduced into the fourth valve body 6; by combining the matched operation of the different valve bodies, the air pressure of different modes can be controlled, so that the interaction between the air and the electrolyte is enhanced, the diffusion and infiltration speed of the electrolyte to active substances in the battery cell are accelerated, the electrolyte infiltration efficiency is improved, and the electrolyte injection infiltration time is shortened. In addition, the consumption of the protective gas is reduced due to the shortened soaking time of the injection liquid, so that the cost is saved; meanwhile, the boiling point of the electrolyte is reduced along with the reduction of the air pressure, so that the volatilization of the electrolyte is obvious in a negative pressure state, and the volatilization of the electrolyte is reduced under the condition of shortening the infusion soaking time, thereby being beneficial to protecting the environment and saving the cost.
It should be noted that, although the method of accelerating the infiltration by combining the four valve bodies is described above with reference to fig. 1-3, the electrolyte infiltration device of the battery may be provided with only the first valve body 3 and the second valve body 4, the first air inlet of the first valve body 3 is communicated with the sealed cavity, the first air outlet of the first valve body 3 may be communicated with the external environment, the exhaust device, the negative pressure pumping device, the second air inlet of the second valve body 4 is communicated with the air charging device, and the second air outlet of the second valve body 4 is communicated with the sealed cavity; when the first air outlet is communicated with the external environment or communicated with an exhaust device, positive pressure oscillation of the sealed cavity can be realized through the first valve body 3 and the second valve body 4; when the first air outlet is communicated with the negative pressure pumping device, negative pressure oscillation or negative pressure and positive pressure switching of the sealed cavity can be realized.
It should be noted that the above-mentioned embodiments are merely for illustrating the principles of the present utility model, and are not intended to limit the scope of the utility model, so that those skilled in the art can modify the above-mentioned embodiments to apply the present utility model to more specific application scenarios without departing from the principles of the present utility model.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (10)
1. An electrolyte infiltration device of a battery, characterized in that the electrolyte infiltration device of the battery comprises:
a sealing cylinder body, wherein a sealing cavity is formed in the sealing cylinder body;
the first air inlet of the first valve body is communicated with the sealing cavity;
the second air inlet of the second valve body is communicated with the air charging device, and the second air outlet of the second valve body is communicated with the sealing cavity;
and the first valve body and the second valve body are connected with the controller.
2. The electrolyte impregnating device as claimed in claim 1, wherein,
the first air outlet of the first valve body is communicated with the negative pressure pumping device.
3. The electrolyte impregnating device as claimed in claim 1, wherein,
and the inflation device is filled with protective gas.
4. The electrolyte impregnating device of a battery according to claim 2, wherein,
the electrolyte infiltration device of the battery further comprises:
the third air inlet of the third valve body is communicated with the high-pressure air charging device, and the third air outlet of the third valve body is communicated with the sealing cavity;
the fourth air inlet of the fourth valve body is communicated with the sealing cavity, and the fourth air outlet of the fourth valve body is communicated with the exhaust device;
the third valve body and the fourth valve body are connected with the controller.
5. The electrolyte impregnating device as claimed in claim 4, wherein,
the exhaust device is a tail gas collecting device.
6. The electrolyte impregnating device as claimed in claim 4, wherein,
and the high-pressure inflating device is filled with protective gas.
7. The electrolyte impregnating device as claimed in claim 4, wherein,
the first valve body is a pressure type electric proportional valve, the second valve body is a flow type electric proportional valve, the third valve body is a pressure type electric proportional valve, and the fourth valve body is a flow type electric proportional valve.
8. The electrolyte impregnating device as claimed in claim 4, wherein,
the sealed cylinder body comprises a base and a shell which is detachably arranged on the base, a sealed cavity is formed between the shell and the base, and the first valve body, the second valve body, the third valve body and the fourth valve body are arranged on the shell.
9. The electrolyte impregnating device as claimed in claim 8, wherein,
the lower extreme of casing is provided with at least one joint piece, be provided with the draw-in groove on the base, the joint piece with the draw-in groove joint is fixed.
10. The electrolyte impregnating device as claimed in claim 9, wherein,
a sealing rubber pad is arranged between the base and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321885379.XU CN220556603U (en) | 2023-07-17 | 2023-07-17 | Electrolyte infiltration device of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321885379.XU CN220556603U (en) | 2023-07-17 | 2023-07-17 | Electrolyte infiltration device of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220556603U true CN220556603U (en) | 2024-03-05 |
Family
ID=90051313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321885379.XU Active CN220556603U (en) | 2023-07-17 | 2023-07-17 | Electrolyte infiltration device of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220556603U (en) |
-
2023
- 2023-07-17 CN CN202321885379.XU patent/CN220556603U/en active Active
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