Carbon black oxidation treatment process and device based on air gliding arc plasma

Through air sliding arc plasma coupled fluidized bed technology, carbon black is subjected to low-temperature oxidation treatment to generate hollow carbon black nanoparticles, solving the problems of long processing time and small processing volume of the existing carbon black oxidation treatment process, and achieving high efficiency, continuous processing and performance improvement of carbon black.

CN119708893APending Publication Date: 2025-03-28XINJIANG JUNYU NEW MATERIAL TECH CO LTD +1
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Patent Information

Application Number
CN202411893526.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The existing carbon black oxidation treatment process has limitations such as long processing time, small processing volume, and intermittent treatment, which is difficult to meet the needs of efficient processing on industrial scale.

Method used

The air-sliding arc plasma coupled fluidized bed technology is used to perform low-temperature oxidation treatment on carbon black, and hollow carbon black nanoparticles mainly composed of mesoporous through selective oxidation reactions to increase the specific surface area and porosity of carbon black.

Benefits of technology

It realizes continuous and efficient oxidation treatment of carbon black, significantly improves the conductivity and performance of carbon black, and is suitable for lithium battery conductive agents and energy storage materials, and has the potential for industrial-scale application.

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Abstract

The invention discloses a carbon black oxidation treatment process and device based on air gliding arc plasmas, and the process comprises the following steps: spraying a carbon black raw material into a fluidized bed, and injecting the air gliding arc plasmas, so that the carbon black raw material is selectively oxidized to generate oxidized carbon black with a hollow shell structure; and collecting the oxidized carbon black, and carrying out heat exchange, filtration and packaging treatment to obtain an oxidized carbon black finished product. The carbon black is subjected to limited oxidation reaction through the air low-temperature plasma, hollow carbon black nanoparticles with dominant mesopores are obtained, and the specific surface area and porosity of the carbon black are improved, so that the performance of the carbon black in a battery conductive agent is improved.
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