CN101882674B - Lithium battery liquid injection device and its technology - Google Patents

Lithium battery liquid injection device and its technology Download PDF

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Publication number
CN101882674B
CN101882674B CN2010101654777A CN201010165477A CN101882674B CN 101882674 B CN101882674 B CN 101882674B CN 2010101654777 A CN2010101654777 A CN 2010101654777A CN 201010165477 A CN201010165477 A CN 201010165477A CN 101882674 B CN101882674 B CN 101882674B
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vacuum
lithium battery
mpa
vacuum cover
liquid injection
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CN101882674A (en
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张天任
陈建丰
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Tianneng Shuai Fude Energy Co Ltd
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Zhejiang Tianneng Energy Technology Co Ltd
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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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Abstract

The invention discloses a lithium battery priming device comprising a vacuum enclosure and a base, wherein the vacuum enclosure and the base are tightly arranged by a seal lock, the vacuum enclosure is provided with a vacuum tube and a normal-pressure connection tube, the vacuum tube is connected with a vacuum meter, a first solenoid valve is arranged between the vacuum meter and the vacuum tube, a second solenoid valve is arranged on the normal-pressure connection tube, and the vacuum enclosure is also provided with a high-pressure tube which is successively provided with a pressure gage and a third solenoid valve. The invention also discloses the lithium battery priming technology which comprises: putting the lithium battery filled with electrolyte into the vacuum enclosure; vacuumizing to -0.06 MPa, keeping for 10 seconds, and restoring to normal atmosphere; filling nitrogen of 0.4 MPa into the vacuum enclosure, keeping for one minute, and restoring to normal atmosphere; vacuumizing to -0.02 MPa; and taking out the lithium battery after restoring to normal pressure. The invention has the advantages that nitrogen with high pressure and high purity is added to quicken the battery to adsorb the electrolyte, and the whole priming time only costs few minutes, which greatly improves efficiency.

Description

锂电池注液装置及其工艺Lithium battery liquid injection device and its technology

技术领域 technical field

本发明涉及锂电池注液装置及其工艺。The invention relates to a lithium battery liquid injection device and a process thereof.

背景技术 Background technique

现有圆柱锂电池注液工艺需要先往电池注液杯中注入电解液，放置在真空吸附箱内，抽真空静置，重复1至3次，知道注液杯中的电解液完全被电池吸收，注液完成，这样完成一次注液需要花上40分钟左右的时间，极大的影响了生产效率。The existing cylindrical lithium battery liquid injection process needs to inject electrolyte into the battery liquid injection cup, place it in a vacuum adsorption box, vacuumize it, and repeat it 1 to 3 times until the electrolyte in the liquid injection cup is completely absorbed by the battery , the liquid injection is completed, and it takes about 40 minutes to complete a liquid injection like this, which greatly affects the production efficiency.

发明内容 Contents of the invention

本发明的目的在于提供锂电池注液装置及其工艺，能够有效解决现有电池注液需要花费较长时间，生产效率低的问题。The purpose of the present invention is to provide a lithium battery liquid injection device and its technology, which can effectively solve the problems of long time and low production efficiency in existing battery liquid injection.

为了解决上述技术问题，本发明是通过以下技术方案实现的：锂电池注液装置，包括真空罩、底座，所述真空罩与底座之间通过密封锁紧密设置在一起，所述真空罩上设置有真空管及常压通管，真空管上连接有真空表，真空表与真空管之间还设置有第一电磁阀，所述常压通管上设有第二电池阀，所述真空罩上还设置有高压管，所述高压管上设置有第三电磁阀，所述高压管上第三电磁阀与真空罩之间设有压力表。In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions: a lithium battery liquid injection device, including a vacuum cover and a base, the vacuum cover and the base are tightly arranged together through a seal lock, and the vacuum cover is provided with There is a vacuum tube and a normal pressure through tube, a vacuum gauge is connected to the vacuum tube, a first electromagnetic valve is arranged between the vacuum gauge and the vacuum tube, a second battery valve is arranged on the normal pressure through tube, and a second battery valve is set on the vacuum cover. There is a high-pressure pipe, and a third solenoid valve is arranged on the high-pressure pipe, and a pressure gauge is arranged between the third solenoid valve and the vacuum cover on the high-pressure pipe.

优选的，所述真空管上还设置有真空挡板阀，所述真空表设置在真空挡板阀与真空罩之间；更好的保持内部真空度Preferably, the vacuum tube is also provided with a vacuum damper valve, and the vacuum gauge is arranged between the vacuum damper valve and the vacuum cover; it is better to maintain the internal vacuum degree

优选的，所述真空罩底部设有环形凸耳，所述密封锁包括至少一个设置在底座上的安装座，所述安装座上设有活动插栓，所述插栓一端扣在凸耳上；简单使用的密封结构。Preferably, the bottom of the vacuum cover is provided with an annular lug, and the sealing lock includes at least one mounting seat arranged on the base, the mounting seat is provided with a movable plug, and one end of the plug is buckled on the lug ;Easy to use sealed structure.

优选的，所述插栓的另一端连接有汽缸；由汽缸推动插栓，安全可靠。Preferably, the other end of the plug is connected to a cylinder; the plug is pushed by the cylinder, which is safe and reliable.

优选的，所述真空罩与底座之间设置有密封圈；进一步加强整体密封性。Preferably, a sealing ring is provided between the vacuum cover and the base; further enhancing the overall sealing.

采用上述锂电池注液装置的锂电池注液工艺，依次包括以下步骤：The lithium battery liquid injection process using the above lithium battery liquid injection device includes the following steps in sequence:

A.将放入电解液的锂电池放置在真空罩内，关闭密封锁；A. Place the lithium battery in the electrolyte in the vacuum cover and close the airtight lock;

B.将真空罩内抽真空到-0.05兆帕至-0.07兆帕，并保持8秒至12秒；B. Vacuumize the vacuum cover to -0.05 MPa to -0.07 MPa, and keep it for 8 seconds to 12 seconds;

C.使真空罩内恢复到正常大气压，关闭第一电磁阀；C. Return the vacuum cover to normal atmospheric pressure and close the first solenoid valve;

D.向真空罩内注入0.3兆帕至0.5兆帕的氮气，并保持1分钟至2分钟；D. Inject nitrogen gas of 0.3 MPa to 0.5 MPa into the vacuum cover, and keep it for 1 minute to 2 minutes;

E.使真空罩内恢复到正常大气压，再将真空罩内抽真空到-0.01兆帕至-0.03兆帕；E. Return the inside of the vacuum cover to normal atmospheric pressure, and then evacuate the inside of the vacuum cover to -0.01 MPa to -0.03 MPa;

F.使真空罩内恢复到正常大气压后，打开密封锁，升起真空罩后将锂电池取出。F. After returning to the normal atmospheric pressure in the vacuum cover, open the sealing lock, lift the vacuum cover and take out the lithium battery.

优选的，所述步骤B中将真空罩内抽真空到-0.06兆帕，并保持10秒；所述步骤D中向真空罩内注入0.4兆帕的氮气；所述步骤E中将真空罩内抽真空到-0.02兆帕；能使电解液较好的被电池吸收的参数。Preferably, in the step B, vacuumize the vacuum hood to -0.06 MPa and keep it for 10 seconds; in the step D, inject 0.4 MPa of nitrogen into the vacuum hood; in the step E, vacuum the vacuum hood Vacuum to -0.02 MPa; the parameter that can make the electrolyte better absorbed by the battery.

与现有技术相比，本发明的优点是：加入高压、高纯度氮气，加速电池吸收电解液，整个注液时间只需要几分钟，大大提高了效率。Compared with the prior art, the present invention has the advantages of adding high-pressure, high-purity nitrogen to accelerate the battery to absorb the electrolyte, and the entire injection time only takes a few minutes, which greatly improves the efficiency.

附图说明 Description of drawings

图1为本发明锂电池注液装置的结构示意图。FIG. 1 is a schematic structural view of a lithium battery liquid injection device of the present invention.

具体实施方式 Detailed ways

参阅图1为本发明锂电池注液装置的实施例，包括真空罩1、底座2，所述真空罩1与底座2之间通过密封锁紧密设置在一起，所述真空罩1上设置有真空管3及常压通管4，真空管3上连接有真空表5，真空表5与真空管3之间还设置有第一电磁阀6，所述常压通管4上设有第二电池阀7，所述真空罩1上还设置有高压管8，所述高压管8上设置有第三电磁阀9，所述高压管8上第三电磁阀9与真空罩1之间设有压力表10，所述真空管3上还设置有真空挡板阀11，所述真空表5设置在真空挡板阀11与真空罩1之间，所述真空罩1底部设有环形凸耳12，所述密封锁包括至少一个设置在底座2上的安装座13，所述安装座13上设有活动插栓14，所述插栓14一端扣在凸耳12上，所述插栓14的另一端连接有汽缸15，所述真空罩1与底座2之间设置有密封圈16。1 is an embodiment of the lithium battery liquid injection device of the present invention, including a vacuum cover 1 and a base 2. The vacuum cover 1 and the base 2 are tightly arranged together by a seal lock. The vacuum cover 1 is provided with a vacuum tube 3 and the normal pressure tube 4, the vacuum tube 3 is connected with a vacuum gauge 5, a first electromagnetic valve 6 is also arranged between the vacuum gauge 5 and the vacuum tube 3, and a second battery valve 7 is provided on the normal pressure tube 4, The vacuum cover 1 is also provided with a high-pressure pipe 8, the high-pressure pipe 8 is provided with a third solenoid valve 9, and a pressure gauge 10 is arranged between the third solenoid valve 9 on the high-pressure pipe 8 and the vacuum cover 1, The vacuum tube 3 is also provided with a vacuum baffle valve 11, the vacuum gauge 5 is arranged between the vacuum baffle valve 11 and the vacuum cover 1, the bottom of the vacuum cover 1 is provided with an annular lug 12, and the sealing lock It includes at least one mounting seat 13 arranged on the base 2, the mounting seat 13 is provided with a movable plug 14, one end of the plug 14 is buckled on the lug 12, and the other end of the plug 14 is connected with a cylinder 15 , a sealing ring 16 is provided between the vacuum cover 1 and the base 2 .

采用上述锂电池注液装置的锂电池注液工艺，依次包括以下步骤：A.将放入电解液的锂电池放置在真空罩1内，关闭密封锁；B.将真空罩1内抽真空到-0.06兆帕，并保持10秒；C.使真空罩1内恢复到正常大气压，关闭第一电磁阀6；D.向真空罩1内注入0.4兆帕的氮气，并保持1分钟至2分钟；E.使真空罩1内恢复到正常大气压，再将真空罩1内抽真空到-0.02兆帕；F.使真空罩1内恢复到正常大气压后，打开密封锁，升起真空罩1后将锂电池取出。The lithium battery liquid injection process using the above lithium battery liquid injection device includes the following steps in turn: A. placing the lithium battery in the electrolyte in the vacuum cover 1, and closing the sealing lock; B. evacuating the vacuum cover 1 to -0.06 MPa, and keep it for 10 seconds; C. Make the vacuum cover 1 return to normal atmospheric pressure, close the first solenoid valve 6; D. Inject 0.4 MPa nitrogen into the vacuum cover 1, and keep it for 1 to 2 minutes ; E. Make the inside of the vacuum cover 1 return to normal atmospheric pressure, and then evacuate the inside of the vacuum cover 1 to -0.02 MPa; F. After returning the inside of the vacuum cover 1 to normal atmospheric pressure, open the sealing lock and raise the vacuum cover 1 Take out the lithium battery.

以上所述仅为本发明的具体实施例，但本发明的技术特征并不局限于此，任何本领域的技术人员在本发明的领域内，所作的变化或修饰皆涵盖在本发明的专利范围之中。The above is only a specific embodiment of the present invention, but the technical characteristics of the present invention are not limited thereto, any changes or modifications made by those skilled in the art within the field of the present invention are covered by the patent scope of the present invention among.

Claims (4)

1.一种采用锂电池注液装置的锂电池注液工艺，所述锂电池注液装置包括真空罩(1)、底座(2)，所述真空罩(1)与底座(2)之间通过密封锁紧密设置在一起，所述真空罩(1)上设置有真空管(3)及常压通管(4)，真空管(3)上连接有真空表(5)，真空表(5)与真空管(3)之间还设置有第一电磁阀(6)，所述常压通管(4)上设有第二电磁阀(7)，所述真空罩(1)上还设置有高压管(8)，所述高压管(8)上设置有第三电磁阀(9)，所述高压管(8)上第三电磁阀(9)与真空罩(1)之间设有压力表(10)，其特征在于：锂电池注液工艺依次包括以下步骤：1. A lithium battery liquid injection process adopting a lithium battery liquid injection device, said lithium battery liquid injection device comprising a vacuum cover (1), a base (2), and a vacuum cover (1) and a base (2) between Closely arranged together by a seal lock, the vacuum cover (1) is provided with a vacuum tube (3) and a normal pressure through tube (4), the vacuum tube (3) is connected with a vacuum gauge (5), and the vacuum gauge (5) and A first solenoid valve (6) is also arranged between the vacuum pipes (3), a second solenoid valve (7) is arranged on the normal pressure pipe (4), and a high pressure pipe is also arranged on the vacuum cover (1). (8), the third electromagnetic valve (9) is arranged on the high-pressure pipe (8), and a pressure gauge ( 10), it is characterized in that: lithium battery liquid injection process comprises the following steps in sequence: A.将放入电解液的锂电池放置在真空罩(1)内，关闭密封锁；A. Place the lithium battery in the electrolyte in the vacuum cover (1), and close the airtight lock; B.将真空罩(1)内抽真空到-0.05兆帕至-0.07兆帕，并保持8秒至12秒；B. Vacuumize the vacuum cover (1) to -0.05 MPa to -0.07 MPa, and keep it for 8 seconds to 12 seconds; C.使真空罩(1)内恢复到正常大气压，关闭第一电磁阀(6)；C. Return to normal atmospheric pressure in the vacuum cover (1), and close the first solenoid valve (6); D.向真空罩(1)内注入0.3兆帕至0.5兆帕的氮气，并保持1分钟至2分钟；D. Inject nitrogen gas of 0.3 MPa to 0.5 MPa into the vacuum cover (1), and keep it for 1 minute to 2 minutes; E.使真空罩(1)内恢复到正常大气压，再将真空罩(1)内抽真空到-0.01兆帕至-0.03兆帕；E. Make the inside of the vacuum cover (1) return to normal atmospheric pressure, and then evacuate the inside of the vacuum cover (1) to -0.01 MPa to -0.03 MPa; F.使真空罩(1)内恢复到正常大气压后，打开密封锁，升起真空罩(1)后将锂电池取出。F. After returning the inside of the vacuum cover (1) to normal atmospheric pressure, open the sealing lock, lift up the vacuum cover (1) and take out the lithium battery. 2.如权利要求1所述采用锂电池注液装置的锂电池注液工艺，其特征在于：所述步骤B中将真空罩(1)内抽真空到-0.06兆帕，并保持10秒。2. The lithium battery liquid injection process using a lithium battery liquid injection device as claimed in claim 1, characterized in that: in the step B, the vacuum cover (1) is evacuated to -0.06 MPa and kept for 10 seconds. 3.如权利要求1所述采用锂电池注液装置的锂电池注液工艺，其特征在于：所述步骤D中向真空罩(1)内注入0.4兆帕的氮气。3. The lithium battery liquid injection process using a lithium battery liquid injection device as claimed in claim 1, characterized in that: in the step D, inject 0.4 MPa nitrogen gas into the vacuum cover (1). 4.如权利要求1所述采用锂电池注液装置的锂电池注液工艺，其特征在于：所述步骤E中将真空罩(1)内抽真空到-0.02兆帕。4. The lithium battery liquid injection process using a lithium battery liquid injection device as claimed in claim 1, characterized in that: in the step E, the vacuum cover (1) is evacuated to -0.02 MPa.
CN2010101654777A 2010-05-05 2010-05-05 Lithium battery liquid injection device and its technology Expired - Fee Related CN101882674B (en)

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