Chute for supplying powder

By designing a heating line with a specific structure in the chute, the problem of uneven powder temperature was solved, achieving uniform heating and heat preservation of the powder, and improving the quality of the electrode sheet and the accuracy of temperature control.

CN122422233APending Publication Date: 2026-07-17LG ENERGY SOLUTION LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LG ENERGY SOLUTION LTD
Filing Date
2025-04-10
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the prior art, the chute has a problem of uneven temperature when supplying powder, which leads to a large temperature deviation of the powder at the discharge part, affecting the quality of the electrode sheet.

Method used

A chute structure was designed, in which heating wires extend along the length of the main body, including a first part, a second part and a third part. The second part is parallel to the discharge part, and multiple heating wires are arranged around it, and the temperature can be controlled individually to ensure that the powder is heated or kept warm uniformly in the chute.

Benefits of technology

This achieved temperature uniformity of the powder, improved the quality of the electrode sheet, reduced temperature deviation, and enhanced the accuracy of temperature control.

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Abstract

根据本公开内容的实施方式,一种在二次电池的制造工序中用于供应粉末的滑槽包括:主体,其包括供粉末流入的流入部、供粉末排出的排出部、以及形成在它们之间的基板;和形成在主体中的多个加热线,其中每个加热线包括在主体的长度方向上延伸的第一部分、与排出部平行延伸的第二部分、以及在主体的长度方向上延伸并且与第一部分间隔开的第三部分。
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Citation Information

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