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Thermal composite cell preparation method and system

A preparation system and thermal compounding technology, applied in the field of thermal compound cell preparation, can solve the problems of low lamination efficiency, high implementation cost, easy dislocation of laminations, etc., and achieve good lamination accuracy, improved safety performance, and lamination efficiency. high effect

Pending Publication Date: 2021-01-15
JIANGSU KATOP AUTOMATION CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the deficiencies of the prior art, the present invention provides a method and system for preparing a thermal composite cell, which solves the technical defects of the prior art such as complex process, low lamination efficiency, easy dislocation of laminations, poor safety, and high implementation cost.

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  • Thermal composite cell preparation method and system
  • Thermal composite cell preparation method and system
  • Thermal composite cell preparation method and system

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Embodiment Construction

[0047] The idea, specific structure and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments and accompanying drawings, so as to fully understand the purpose, features and effects of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts belong to The protection scope of the present invention. In addition, all the connection / connection relationships involved in the patent do not simply refer to the direct connection of components, but mean that a better connection structure can be formed by adding or reducing connection accessories according to specific implementation conditions. The various technical features in the invention can be combined interactively on the premise of not contradict...

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Abstract

The invention discloses a thermal composite cell preparation method and system. The thermal composite cell preparation method comprises the following steps of diaphragm unwinding, unwinding a diaphragm through a diaphragm unwinding device; hot-pressing and compounding a pole piece, hot-pressing and compounding a first pole piece on the first surface of the diaphragm 1, and hot-pressing and compounding a second pole piece on the second surface of the diaphragm; carrying out Z-shaped folding on the diaphragm and the pole piece; pressing and forming the battery cell; the thermal compounding battery cell preparation system comprises a diaphragm unwinding device, a pole piece conveying device, a hot-pressing compounding device, a folding thimble and a pressing device. The thermal composite cellpreparation method and system have the advantages of simple structure and low implementation cost, can effectively improve the lamination precision and lamination quality in the practical applicationprocess, greatly improve the lamination efficiency, and have better product safety.

Description

technical field [0001] The invention relates to the field of production and processing of lithium batteries, in particular to a method and system for preparing thermal composite batteries. Background technique [0002] In the production and processing of lithium batteries, the cell stacking process is one of the very important processing procedures, which has a vital impact on the quality and production efficiency of the entire battery. [0003] Traditional laminated batteries include Z-shaped laminates, bag-made laminates and composite laminates. Among them, the Z-shaped laminate is a battery cell made of positive and negative electrode sheets alternately laminated, and a separator separated from the middle. This type of cell impedance is small, but the pole pieces are easily misplaced and cause a short circuit. The battery prepared by this type of cell has poor safety. shortcoming. Bag-making lamination is generally to align the upper and lower sides of the positive elec...

Claims

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Application Information

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IPC IPC(8): H01M10/058H01M10/052H01M10/0583H01M6/14H01M6/00
CPCH01M10/058H01M10/052H01M10/0583H01M6/14H01M6/005Y02E60/10Y02P70/50H01M14/00H01M4/043H01M4/0407H01M10/0459H01M10/0404H01M10/045H01M10/0468
Inventor 巩毅涛徐世晶朱媛
Owner JIANGSU KATOP AUTOMATION CO LTD
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