Lithium battery vacuum liquid injection system
A vacuum liquid injection device, lithium battery technology, applied in the direction of battery components, circuits, electrical components, etc., can solve the problems of low efficiency, slow liquid injection speed, complex structure, etc., achieve simple structure, improve opening efficiency and battery The effect of injection efficiency
Active Publication Date: 2018-07-03
苏州德睿联自动化科技有限公司
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Problems solved by technology
[0003] In the production of soft-pack lithium batteries, the electrolyte needs to be injected into the battery cells. In order to better realize the injection of electrolyte, people have developed a vacuum liquid injection system for lithium batteries for the injection of electrolyte in soft-pack lithium batteries. Due to the need to maintain the open state of the battery cell and inject the electrolyte during the injection process, the vacuum liquid injection device in the current lithium battery vacuum liquid injection system has a complicated structure, slow liquid injection speed, and low efficiency.
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[0024] Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those having ordinary skill in the art to which the present disclosure belongs. "First", "second" and similar words used in the specification and claims of the present disclosure do not represent any sequence, quantity or mechanical connection, but indicate that there is at least one. Words such as "connected" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "Down", "Left", "Right" and so on are only used to indicate the relative positional relationship. When the absolute position of the described object changes, the positional relationship of the first pair also changes accordingly.
[0025] Please refer to Figure 1-Figure 6 The embodiment of the present invention provides a lithium battery vacuum liquid injection system, which is used for vacuum liquid ...
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Different from the prior art, the embodiment of the invention provides a lithium battery vacuum liquid injection system which comprises a vacuum liquid injection device, wherein the vacuum liquid injection device comprises a vacuum cavity and a fixture box; the vacuum cavity also comprises an opening device and a liquid injection device; the opening device comprises a resisting frame and an expansion frame; the expansion frame comprises a pair of expansion plates; the resisting frame comprises a pair of resisting plates; under the effect of external force, the resisting plates drive the expansion plates to move away from each other; and suckers are arranged on the expansion plates and used for grabbing a battery sealing film. The resisting plates move to drive the expansion plates to move,and the suckers are arranged on the expansion plates to grab the battery sealing film; the expansion plates, when moving, drive the battery sealing film to move and open; and moreover, the structureis simple, synchronous movement of the expansion plates is easy to realize, and the opening efficiency and the battery liquid injection efficiency are improved.
Description
technical field [0001] The invention relates to a vacuum liquid injection system for a lithium battery, in particular to a vacuum liquid injection system for a soft pack lithium battery. Background technique [0002] Lithium batteries are currently widely used batteries, especially the soft-pack lithium batteries developed this year, because of their lighter, thinner, long cycle life, good safety performance, high energy density, stable discharge platform, excellent power performance, and environmental protection. Pollution and other advantages, widely used in electric bicycles, electric motorcycles, electric vehicles, electric tools, electric toys, solar photovoltaic power generation systems, wind power generation systems, mobile communication base stations, large server backup UPS power supplies, emergency lighting, portable mobile power supplies and mines Safety equipment and other fields. [0003] In the production of soft-pack lithium batteries, the electrolyte needs t...
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IPC IPC(8): H01M2/36H01M50/636
CPCH01M50/60H01M50/636Y02E60/10
Inventor 雷水德曾庆礼高宜江巫海军周宁宁
Owner 苏州德睿联自动化科技有限公司