Vacuum pressurization apparatus for pouring electrolyte and method for pouring using electrolyte
A vacuum pressurization, electrolyte technology, applied in circuits, electrical components, battery pack components, etc., can solve problems such as difficulty in managing electrolyte perfusion quality, maintenance and repair of electrolyte perfusion equipment, increased investment costs and installation space, etc.
Active Publication Date: 2013-10-30
SAMSUNG SDI CO LTD
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Problems solved by technology
[0007] However, as the number of electrolyte filling equipment increases, investment cost and installation space also increase
In addition, it is difficult to manage the quality of electrolyte filling and the maintenance and repair of electrolyte filling equipment
Method used
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[0050] Exemplary embodiments will be described more fully with reference to the accompanying drawings. These example embodiments may, however, be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
[0051] Throughout the specification, it should be noted that when a certain element is "connected" to another element, it means that they are "directly connected" to each other or "electrically connected" to each other with another device interposed therebetween. It should also be noted that the terms "comprising" or "comprising" used throughout the specification should not be construed as being limited to the means listed thereafter and not excluding other elements.
[0052] Hereinafter, embodiments will be described in detail with reference to the accompanyi...
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The invention discloses a vacuum pressurization apparatus for pouring electrolyte into a secondary battery and a method for pouring the electrolyte. The vacuum pressurization apparatus comprises: a vacuum pressurization chamber loaded with a plurality of secondary batteries and a loading rack, wherein a plurality of buffer hoppers respectively connected with the secondary batteries are arranged in the loading rack and the loading rack is arranged above the secondary batteries; a vacuum pump connected with the vacuum pressurization chamber and vacuumizing the inside of the vacuum pressurization chamber at the vacuum atmosphere; a pressure pump connected with the vacuum pump and for compressing the inside of the vacuum pressurization chamber. The vacuum pressurization chamber comprises: an upper chamber comprising a cylindrical main body part, a semi-sphere part extending upwards from the main body part and a sealing part extending downwards; a lower chamber being a circular plate shaped corresponding with the upper chamber. The sealing part comprises a first sealing surface contacting with the lower chamber and an air seal O-shaped ring is arranged on the first sealing surface. The electrolyte is poured into the secondary battery under the pressure and vacuum atmosphere in the vacuum pressurization chamber.
Description
technical field [0001] Embodiments of the present invention relate to a vacuum pressurizing device for filling an electrolyte into a secondary battery and a method for filling the electrolyte using the device. Background technique [0002] A secondary battery includes an electrode assembly and a bare cell. The electrode assembly includes a positive electrode, a negative electrode, and a separator disposed between the positive electrode and the negative electrode. A bare cell contains an electrolyte injected into an electrode assembly. [0003] Generally, in order to manufacture a secondary battery, an electrode assembly is inserted into a can body, and an electrolyte impregnation process of impregnating an electrolyte is performed. Then, the can body is closed for a process of completing the assembly of the secondary battery. [0004] Here, in order to increase the capacity of the secondary battery, the density value of electrodes inserted into the same volume should be i...
Claims
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IPC IPC(8): H01M2/36
CPCY02E60/12Y02E60/10H01M50/60H01M10/058
Inventor 金璟保金荣珏梁永柱
Owner SAMSUNG SDI CO LTD