CN109037581A - Fluid reservoir and lithium battery liquid injection system - Google Patents
Fluid reservoir and lithium battery liquid injection system Download PDFInfo
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- CN109037581A CN109037581A CN201810846584.2A CN201810846584A CN109037581A CN 109037581 A CN109037581 A CN 109037581A CN 201810846584 A CN201810846584 A CN 201810846584A CN 109037581 A CN109037581 A CN 109037581A
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- 239000007788 liquid Substances 0.000 title claims abstract description 127
- 238000002347 injection Methods 0.000 title claims abstract description 45
- 239000007924 injection Substances 0.000 title claims abstract description 45
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- 239000012530 fluid Substances 0.000 title abstract 6
- 238000003860 storage Methods 0.000 claims abstract description 37
- 238000003756 stirring Methods 0.000 claims abstract description 29
- 238000001802 infusion Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 8
- 239000003792 electrolyte Substances 0.000 abstract description 40
- 101150038956 cup-4 gene Proteins 0.000 description 7
- 239000008151 electrolyte solution Substances 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012384 transportation and delivery Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0042—Degasification of liquids modifying the liquid flow
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- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filling, Topping-Up Batteries (AREA)
- Hybrid Cells (AREA)
Abstract
Description
技术领域technical field
本发明涉及一种注液系统，尤其涉及一种用于储存及向锂电池内注液的储液罐及锂电池注液系统。The invention relates to a liquid injection system, in particular to a liquid storage tank for storing and injecting liquid into a lithium battery and a lithium battery liquid injection system.
背景技术Background technique
众所周知，锂电池内部的气泡量对锂电池的质量、性能及使用寿命有较大的影响，在生产锂电池的各个环节中，都需要避免气体的参杂，因此锂电池在注液的过程中，需要在真空干燥环境中进行，并且，在注液前还要对锂电池壳体或气袋进行抽真空以排除气空。As we all know, the amount of air bubbles inside the lithium battery has a great impact on the quality, performance and service life of the lithium battery. , It needs to be carried out in a vacuum drying environment, and the lithium battery case or air bag should be vacuumized before liquid injection to eliminate air.
然而，通过上述措施生产出来的锂电池仍然存在气泡，虽然数量较小，但是也会或多或少地影响着锂电池的性能，事实证明，上述措施对气泡的排除是不够的。原因就在于在注射的电解液中含有少量的气泡或气体分子，这些气泡是在电解液生产、运输及输送的过程中与电解液混合的，如果直接注入到锂电池中，那么就会在锂电池内产生部分气泡，进而影响锂电池的性能。因此，必须在注液前排除电解液内的气泡或气体分子，但是，目前还没有这样的设备可供使用。However, there are still air bubbles in the lithium battery produced by the above measures, although the number is small, but it will also affect the performance of the lithium battery more or less. Facts have proved that the above measures are not enough to eliminate the air bubbles. The reason is that the injected electrolyte contains a small amount of air bubbles or gas molecules. These air bubbles are mixed with the electrolyte during the production, transportation and delivery of the electrolyte. If they are directly injected into the lithium battery, the lithium battery will Some air bubbles are generated in the pool, which will affect the performance of the lithium battery. Therefore, it is necessary to remove air bubbles or gas molecules in the electrolyte before filling, however, no such equipment is currently available.
发明内容Contents of the invention
本发明的目的在于提供一种能对电解液储存以及在锂电池注液前对电解液分离气泡、提高锂电池的性能的储液罐。The object of the present invention is to provide a liquid storage tank capable of storing the electrolyte and separating air bubbles from the electrolyte before the lithium battery is injected, so as to improve the performance of the lithium battery.
本发明的另一目的在于提供一种能对电解液分离气泡，同时兼具储存及注液的锂电池注液系统。Another object of the present invention is to provide a lithium battery liquid injection system capable of separating air bubbles from the electrolyte and simultaneously storing and injecting liquid.
为了实现上述目的，本发明提供的储液罐包括一级罐、二级罐及搅拌装置，所述一级罐设置于所述二级罐上且与所述二级罐通过第一阀门连通，所述搅拌装置设置于所述一级罐上且所述搅拌装置的搅拌叶片伸入所述一级罐内对其内部的储液搅拌，所述一级罐的下端设有进液口且上端设有排气口，所述二级罐的下端设有出液口。In order to achieve the above object, the liquid storage tank provided by the present invention includes a primary tank, a secondary tank and a stirring device, the primary tank is arranged on the secondary tank and communicates with the secondary tank through a first valve, The stirring device is arranged on the first-stage tank, and the stirring blade of the stirring device extends into the first-stage tank to stir the liquid storage inside. The lower end of the first-stage tank is provided with a liquid inlet and the upper end is An exhaust port is provided, and a liquid outlet is provided at the lower end of the secondary tank.
与现有技术相比，由于本发明通过设置相互连通的一级罐及二级罐，再在所述一级罐上设置搅拌装置，利用所述搅拌装置对所述一级罐内的电解液进行搅拌，从而使混合于电解液内的气泡或气体分子与电解液分离释出，并通过所述排气口排出，并且，分离气泡后的电解液再进入到所述二级罐，从而在不影响所述一级罐搅拌电解液的同时利用所述二级罐输送电解液，因此，既可以对电解液储存以及分离气泡，提高锂电池的性能，也可以同时进行注液，有效提高注液效率。Compared with the prior art, since the present invention is provided with interconnected primary tanks and secondary tanks, and then a stirring device is set on the primary tank, the electrolyte in the primary tank is treated by the stirring device. Stirring is carried out so that the bubbles or gas molecules mixed in the electrolyte are separated and released from the electrolyte, and are discharged through the exhaust port, and the electrolyte after the bubbles are separated enters the secondary tank, thereby The secondary tank is used to transport the electrolyte while the primary tank is not affecting the stirring of the electrolyte. Therefore, the electrolyte can be stored and air bubbles can be separated to improve the performance of the lithium battery, and the liquid can also be injected at the same time, effectively improving the efficiency of the injection. liquid efficiency.
较佳地，所述一级罐和/或所述二级罐上设有液位感应器。设置所述液位感应器可以监控罐内的电解液的液面高度，从而可以自动并及时地补充电解液，保证可以持续地注液。Preferably, a liquid level sensor is provided on the primary tank and/or the secondary tank. Setting the liquid level sensor can monitor the liquid level of the electrolyte in the tank, so that the electrolyte can be replenished automatically and in time to ensure continuous liquid injection.
较佳地，所述一级罐和/或所述二级罐的下端设有排液口。所述排液口既可以回收罐内的电解液，减少浪费，又可以对罐内进行清洗。Preferably, a drain port is provided at the lower end of the primary tank and/or the secondary tank. The liquid discharge port can not only recover the electrolyte in the tank, reduce waste, but also clean the inside of the tank.
较佳地，所述排气口处设有过滤器。所述过滤器可以防止电解液从排气口排出到外界，对环境造成污染。Preferably, a filter is provided at the exhaust port. The filter can prevent the electrolyte from being discharged to the outside through the exhaust port, causing pollution to the environment.
较佳地，所述一级罐与所述二级罐之间通过输液管连通，且所述输液管延伸到所述二级罐的内底部。通过将所述输液管延伸到所述二级罐的内底部，可以防止减少电解液下落时对罐体的冲击，从而降低噪音。Preferably, the primary tank communicates with the secondary tank through an infusion tube, and the infusion tube extends to the inner bottom of the secondary tank. By extending the infusion tube to the inner bottom of the secondary tank, the impact on the tank body when the electrolyte solution falls can be prevented and reduced, thereby reducing noise.
较佳地，所述二级罐上设有消声器；所述消声器可以进一步降低所述二级罐内的噪音。Preferably, the secondary tank is provided with a muffler; the muffler can further reduce the noise in the secondary tank.
一种锂电池注液系统，包括储运罐、抽气装置、注液杯及上述所述的储液罐，所述进液口与所述储运罐连接，所述抽气装置的输入端与所述排气口连接，所述注液杯的输入端与所述出液口连接。A liquid injection system for a lithium battery, comprising a storage tank, an air extraction device, a liquid injection cup, and the above-mentioned liquid storage tank, the liquid inlet is connected to the storage tank, and the input end of the air extraction device It is connected with the exhaust port, and the input end of the liquid injection cup is connected with the liquid outlet.
较佳地，所述进液口与所述储运罐之间设有第二阀门。Preferably, a second valve is provided between the liquid inlet and the storage tank.
较佳地，所述储运罐与高气压提供装置连接。利用高压气体对所述储运罐内的电解液进行推送，从而可以使所述储运罐内的电解液自动地流入所述一级罐内，保证输液及时且顺利。Preferably, the storage tank is connected to a high pressure supply device. Using high-pressure gas to push the electrolyte in the storage and transportation tank, so that the electrolyte in the storage and transportation tank can automatically flow into the first-stage tank, ensuring timely and smooth infusion.
较佳地，所述注液杯与所述出液口之间设有第三阀门。Preferably, a third valve is provided between the liquid injection cup and the liquid outlet.
附图说明Description of drawings
图1是本发明储液罐的结构示意图。Fig. 1 is a structural schematic diagram of a liquid storage tank of the present invention.
图2是本发明锂电池注液系统的结构示意图。Fig. 2 is a schematic structural view of the lithium battery liquid injection system of the present invention.
具体实施方式Detailed ways
为详细说明本发明的技术内容、构造特征、所实现的效果，以下结合实施方式并配合附图详予说明。In order to describe the technical content, structural features, and achieved effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.
如图1所示，本发明的储液罐1包括一级罐11、二级罐12及搅拌装置13，所述一级罐11通过一支架设置于所述二级罐12上，所述一级罐11与所述二级罐12之间通过输液管14连通，且输液管14上设有第一阀门，所述第一阀门为气动隔膜阀15；所述搅拌装置13设置于所述一级罐11上端，所述搅拌装置13包括电机131、减速器132、搅拌轴133及搅拌叶134，所述电机131的输出端连接所述减速器132，所述减速器132的输出端连接所述搅拌轴133，所述搅拌轴133的下端连接所述搅拌叶134并伸入所述一级罐11内对其内部的电解液搅拌。As shown in Figure 1, the liquid storage tank 1 of the present invention includes a primary tank 11, a secondary tank 12 and a stirring device 13, the primary tank 11 is arranged on the secondary tank 12 through a bracket, and the primary tank 11 The primary tank 11 and the secondary tank 12 are communicated through a transfusion tube 14, and the transfusion tube 14 is provided with a first valve, and the first valve is a pneumatic diaphragm valve 15; the stirring device 13 is arranged on the one The upper end of the stage tank 11, the stirring device 13 includes a motor 131, a reducer 132, a stirring shaft 133 and a stirring blade 134, the output end of the motor 131 is connected to the reducer 132, and the output end of the reducer 132 is connected to the The stirring shaft 133, the lower end of the stirring shaft 133 is connected to the stirring blade 134 and extends into the primary tank 11 to stir the electrolyte inside.
再如图1所示，所述一级罐11的下端设有进液口111且上端设有排气口112，所述排气口112处设有过滤器113。所述过滤器113可以防止电解液从排气口112排出到外界，对环境造成污染。所述一级罐11上设有四个液位感应器，从上到下依次为上极限液位感器114、停液感应器115、补液感应器116、下极限液位感应器117。当液面处于补液感应器116上时，系统自动对一级罐11补液；当液面处于停液感应器115上时，系统自动停止补液；上极限液位感器114与停液感应器115的作用是相同的，主要在停液感应器115出现故障时使用，防止液面过高；下极限液位感应器117与补液感应器116的作用是相同的，主要在补液感应器116出现故障时使用，防止液面过低；设置这些液位感应器可以有效监控罐内的电解液的液面高度，从而可以自动并及时地补充电解液，保证可以持续地注液。所述一级罐11的下端设有排液口118。所述排液口118既可以回收罐内的电解液，减少浪费，又可以对罐内进行清洗。As shown in FIG. 1 , the lower end of the primary tank 11 is provided with a liquid inlet 111 and the upper end is provided with an exhaust port 112 , and a filter 113 is provided at the exhaust port 112 . The filter 113 can prevent the electrolyte from being discharged from the exhaust port 112 to the outside, causing pollution to the environment. The primary tank 11 is provided with four liquid level sensors, which are an upper limit liquid level sensor 114 , a liquid stop sensor 115 , a liquid replenishment sensor 116 , and a lower limit liquid level sensor 117 from top to bottom. When the liquid level is on the replenishment sensor 116, the system automatically replenishes the primary tank 11; when the liquid level is on the liquid stop sensor 115, the system automatically stops replenishment; the upper limit liquid level sensor 114 and the stop liquid sensor 115 The function is the same, it is mainly used when the liquid stop sensor 115 fails to prevent the liquid level from being too high; When used to prevent the liquid level from being too low; setting these liquid level sensors can effectively monitor the liquid level of the electrolyte in the tank, so that the electrolyte can be replenished automatically and in time to ensure continuous liquid injection. The lower end of the primary tank 11 is provided with a liquid discharge port 118 . The liquid discharge port 118 can not only recover the electrolyte in the tank, reduce waste, but also clean the inside of the tank.
再如图1所示，所述二级罐12的下端设有出液口121。所述输液管14延伸到所述二级罐12的内底部。通过将所述输液管14延伸到所述二级罐12的内底部，可以防止减少电解液下落时对罐体的冲击，从而降低噪音。所述二级罐12上设有三个液位感应器，从上到下依次为上极限液位感器122、停液感应器123、补液感应器124。当液面处于补液感应器124上时，系统自动控制所述气动隔膜阀15打开以从一级罐11向二级罐12补液；当液面处于停液感应器123上时，系统自动控制气动隔膜阀15关闭以停止补液；上极限液位感器122的作用与一级罐11上的极限液位感应器的作用是相同的。所述二级罐12的下端设有排液口125。所述排液口125分为两个出口，其中一个出口可以回收罐内的电解液，减少浪费，另一个出口可以排出废液并可在清洗时排出对罐内进行清洗的清洗剂。所述二级罐12上设有消声器126；所述消声器126可以进一步降低所述二级罐12内的噪音。As shown in FIG. 1 , the lower end of the secondary tank 12 is provided with a liquid outlet 121 . The infusion pipe 14 extends to the inner bottom of the secondary tank 12 . By extending the infusion tube 14 to the inner bottom of the secondary tank 12, the impact on the tank body when the electrolytic solution falls can be prevented and reduced, thereby reducing noise. The secondary tank 12 is provided with three liquid level sensors, which are an upper limit liquid level sensor 122 , a liquid stop sensor 123 , and a liquid replenishment sensor 124 from top to bottom. When the liquid level is on the replenishment sensor 124, the system automatically controls the opening of the pneumatic diaphragm valve 15 to replenish liquid from the primary tank 11 to the secondary tank 12; when the liquid level is on the liquid stop sensor 123, the system automatically controls the pneumatic The diaphragm valve 15 is closed to stop liquid replenishment; the function of the upper limit liquid level sensor 122 is the same as that of the limit liquid level sensor on the primary tank 11 . The lower end of the secondary tank 12 is provided with a liquid discharge port 125 . The liquid discharge port 125 is divided into two outlets, one of which can recover the electrolyte in the tank to reduce waste, and the other outlet can discharge waste liquid and discharge cleaning agent for cleaning the tank during cleaning. The secondary tank 12 is provided with a muffler 126; the muffler 126 can further reduce the noise in the secondary tank 12.
如图2所示，本发明的锂电池注液系统100包括所述储液罐1、储运罐2、抽气装置3及注液杯4，所述一级罐11的进液口111与所述储运罐2连接，所述一级罐11的进液口111与所述储运罐2之间设有第二阀门，具体地，所述第二阀门的数量可以为多个，可是以手动球阀或气动隔膜阀，也可能是两者同时设置，本实施例采用手动球阀5与气动隔膜阀6同时设置的方式，手动球阀5为常开状态，气动隔膜阀6由系统自动控制，当气动隔膜阀6出现故障时，才需要手动关闭手动球阀5。所述抽气装置3的输入端通过所述过滤器113与所述排气口112连接，所述过滤器113的另一废液输出端通过手动球阀7与废液桶连接；所述注液杯4的输入端与所述二级罐12的出液口121之间通过管道连接，并且在管道上设有第三阀门，第三阀门可以为气动隔膜阀或手动球阀，也可以将气动隔膜阀与手动球阀同时设置，本发明采用后者，手动球阀8为常开状态，气动隔膜阀9由系统自动控制打开或关闭。所述二级罐12可以同时连接多个注液杯4，从而使多个注液杯4对多个锂电池200同时注液。所述储运罐2与高气压提供装置10连接。利用高压气体对所述储运罐2内的电解液进行推送，从而可以使所述储运罐2内的电解液自动地流入所述一级罐11内，保证输液及时且顺利。As shown in Figure 2, the lithium battery liquid injection system 100 of the present invention includes the liquid storage tank 1, the storage and transportation tank 2, the air extraction device 3 and the liquid injection cup 4, the liquid inlet 111 of the first-stage tank 11 and the The storage and transportation tank 2 is connected, and a second valve is provided between the liquid inlet 111 of the primary tank 11 and the storage and transportation tank 2. Specifically, the number of the second valves can be multiple, but A manual ball valve or a pneumatic diaphragm valve, or both may be set at the same time. In this embodiment, the manual ball valve 5 and the pneumatic diaphragm valve 6 are set at the same time. The manual ball valve 5 is in a normally open state, and the pneumatic diaphragm valve 6 is automatically controlled by the system. When the pneumatic diaphragm valve 6 breaks down, the manual ball valve 5 needs to be closed manually. The input end of the air extraction device 3 is connected to the exhaust port 112 through the filter 113, and the other waste liquid output end of the filter 113 is connected to the waste liquid barrel through the manual ball valve 7; The input end of the cup 4 is connected with the liquid outlet 121 of the secondary tank 12 through a pipeline, and a third valve is provided on the pipeline. The third valve can be a pneumatic diaphragm valve or a manual ball valve, or the pneumatic diaphragm The valve and the manual ball valve are set at the same time, and the latter is adopted in the present invention. The manual ball valve 8 is normally open, and the pneumatic diaphragm valve 9 is automatically opened or closed by the system. The secondary tank 12 can be connected to multiple liquid injection cups 4 at the same time, so that multiple liquid injection cups 4 can simultaneously inject liquid into multiple lithium batteries 200 . The storage tank 2 is connected with a high pressure supply device 10 . The electrolyte in the storage and transportation tank 2 is pushed by high-pressure gas, so that the electrolyte in the storage and transportation tank 2 can automatically flow into the first-stage tank 11 to ensure timely and smooth infusion.
综合上述并结合附图2，下面对本发明锂电池注液系统100的注液过程进行详细描，如下：Based on the above and in conjunction with accompanying drawing 2, the liquid injection process of the lithium battery liquid injection system 100 of the present invention is described in detail below, as follows:
在注液前，若所述一级罐11上的对应的补液感应器感116应到液面过低时，系统控制对应的气动隔膜阀6打开，这时，储运罐2内的电解液在气压的作用下通过管道及一级罐11的进液口注入到一级罐11内；当一级罐11内的液面上升到停液感应器115上时，系统控制对应的气动隔膜阀6关闭，另外，所述电机131启动，通过所述减速器132驱动所述搅拌轴133转动，进而带动所述搅拌叶134对一级罐11内部的电解液搅拌，使电解液内的气体或气体分子分离释出到一级罐11的内部上方的空间内，再利于抽气装置3通过排气口112气体抽出。当二级罐12内的液面下降到对应的补液感应器124上时，系统控制对应的气动隔膜阀15打开，这时，一级罐11内的完成排气的电解液通过输液管14注入到二级罐12内等待注液。Before liquid injection, if the corresponding liquid replenishment sensor 116 on the first-stage tank 11 senses that the liquid level is too low, the system controls the corresponding pneumatic diaphragm valve 6 to open. At this time, the electrolyte in the storage and transportation tank 2 Under the action of air pressure, it is injected into the primary tank 11 through the pipeline and the liquid inlet of the primary tank 11; when the liquid level in the primary tank 11 rises to the liquid stop sensor 115, the system controls the corresponding pneumatic diaphragm valve 6 off, in addition, the motor 131 is started, and the stirring shaft 133 is driven to rotate through the reducer 132, and then the stirring blade 134 is driven to stir the electrolyte inside the primary tank 11, so that the gas in the electrolyte or The gas molecules are separated and released into the space above the interior of the first-stage tank 11 , which facilitates the extraction of gas by the air extraction device 3 through the exhaust port 112 . When the liquid level in the secondary tank 12 drops to the corresponding replenishment sensor 124, the system controls the corresponding pneumatic diaphragm valve 15 to open. At this time, the exhausted electrolyte in the primary tank 11 is injected through the infusion tube 14 Wait for liquid injection in secondary tank 12.
注液时，所述注液杯4内的电解液在打液气缸41的作用下注入到锂电池200内，然后，系统控制气动隔膜阀9打开，这时，注液杯4与二级罐12连通，当打液气缸41复位后，二级罐12内的电解液便自动注入到注液杯4内，之后气动隔膜阀9再自动关闭，所述注液杯4再进行下一次注液。During liquid injection, the electrolyte in the liquid injection cup 4 is injected into the lithium battery 200 under the action of the liquid injection cylinder 41, and then the system controls the pneumatic diaphragm valve 9 to open. At this time, the liquid injection cup 4 and the secondary tank 12 connected, when the injection cylinder 41 is reset, the electrolyte in the secondary tank 12 is automatically injected into the liquid injection cup 4, and then the pneumatic diaphragm valve 9 is automatically closed, and the liquid injection cup 4 performs the next liquid injection .
与现有技术相比，由于本发明通过设置相互连通的一级罐11及二级罐12，再在所述一级罐11上设置搅拌装置13，利用所述搅拌装置13对所述一级罐11内的电解液进行搅拌，从而使混合于电解液内的气泡或气体分子与电解液分离释出，并通过所述排气口112排出，并且，分离气泡后的电解液再进入到所述二级罐12，从而在不影响所述一级罐11搅拌电解液的同时利用所述二级罐12将电解液输送到注液杯4内进行注液，因此，本发明储液罐1既可以对电解液储存以及分离气泡，提高锂电池的性能，也可以同时进行注液，利用所述储液罐1可以有效提高注液系统100的注液效率。Compared with the prior art, since the present invention is provided with a first-stage tank 11 and a second-stage tank 12 communicated with each other, then a stirring device 13 is set on the first-stage tank 11, and the first-stage The electrolyte solution in the tank 11 is stirred, so that the bubbles or gas molecules mixed in the electrolyte solution are separated and released from the electrolyte solution, and are discharged through the exhaust port 112, and the electrolyte solution after the bubbles are separated enters the The secondary tank 12 is used, so as not to affect the stirring of the electrolyte in the primary tank 11, the secondary tank 12 is used to transport the electrolyte to the liquid injection cup 4 for liquid injection. Therefore, the liquid storage tank 1 of the present invention The electrolyte can be stored and air bubbles can be separated to improve the performance of the lithium battery, and the liquid injection can also be performed at the same time. Using the liquid storage tank 1 can effectively improve the liquid injection efficiency of the liquid injection system 100 .
以上所揭露的仅为本发明的较佳实例而已，当然不能以此来限定本发明之权利范围，因此依本发明申请专利范围所作的等同变化，仍属于本发明所涵盖的范围。The above disclosures are only preferred examples of the present invention, and of course cannot be used to limit the scope of rights of the present invention. Therefore, equivalent changes made according to the patent scope of the present invention still fall within the scope of the present invention.
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| CN114256565A (en) * | 2020-09-11 | 2022-03-29 | 深圳市科晶智达科技有限公司 | Battery processing method applying vacuum liquid injection sealing machine |
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