Electrode material production and processing system based on double screws

Abstract

The invention discloses an electrode material production and processing system based on double screws. The electrode material production and processing system comprises a feeding device and a materialstirring device; materials enter the material stirring device under the action of the feeding device, and is discharged after being stirred and mixed by means of the material stirring device; the first screw and the second screw are both arranged in a charging barrel, and the first screw and the second screw are arranged side by side and are meshed with each other; the first screw and the secondscrew rotate in the same direction, and the first screw and the second screw separately and sequentially comprise a mixing section, a kneading section, a slurry forming section, a shear mixing sectionand a bubble elimination section. The materials are added into the combined double screws by means of an automatic feeding system for mixing materials, and the slurry can be continuously produced andsupplied in a way of a production line, so that the problems that the traditional material stirring process adopts intermittent production, thus being poor in stability of different batches of materials, causing the contact between powder particles and adhesive to be uneven, enabling the product to be easy to stratify and prone to hard precipitation, and the like can be solved.

Description

technical field [0001] The invention belongs to the technical field of lithium ion batteries, and in particular relates to a twin-screw-based electrode material production and processing system. Background technique [0002] In recent years, with the increasingly serious energy and environmental issues, the development of new energy sources that can replace traditional energy sources such as petroleum has become the general trend. Lithium-ion batteries have the advantages of high energy density, low self-discharge, long cycle life, safety and reliability, and have become new energy technology research. Hotspots, the lithium-ion battery industry has also been vigorously developed and supported by the state. The dispersion and uniformity of granular active materials in the positive and negative electrode slurry in the lithium battery industry directly affect the movement of lithium ions between the two electrodes of the battery. Importantly, the quality of slurry dispersion d...

AI Technical Summary

Problems solved by technology

[0009] In view of the above-mentioned deficiencies in the prior art, the present invention provides a twin-screw-based electrode material production and processing system, which replaces the traditional bulky mixer with a screw, realizes continuous processing and production of electrode materials, and solves the problem of intermittent production in the batching and mixing process, Different material batches have poor stability, uneven contact between powder particles and binders, easy delamination and hard precipitation, etc., to improve production efficiency and product quality

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