生物质热解制备碳纳米管的研究进展

Research Progress in the Preparation of CarbonNanotubes from Biomass Pyrolysis

生物质是世界上唯一的可再生碳源,可通过热解制备碳纳米管,实现生物质的高值化利用,有利于“双碳”目标的实现。介绍了生物质原位和非原位热解制备碳纳米管的相关研究,归纳制备碳纳米管的热解技术和应用现状,分析生物质原料、热解温度和催化剂种类等主要影响因素在碳纳米管制备过程中的作用,探讨碳纳米管制备过程中的反应机理和生长机理。生物质作为原料热解制备碳纳米管,还需要针对高效催化剂的开发、新型加热技术及碳纳米管制备过程中的反应机理等进行深入系统的研究。

Biomass is a prominent renewable carbon source globally.It can be converted into carbon nanotubes,facilitating high-value utilization and contributing to achieving carbon peaking and carbon neutrality goals through pyrolysis.This paper provides a comprehensive summary of research on both in situ and ex situ preparation of carbon nanotubes from biomass,along with an overview of current pyrolysis technology and the application status of carbon nanotubes.The important roles of the main influencing factors,such as biomass raw materials,pyrolysis temperature,and catalyst types,in the preparation of carbon nanotubes are analyzed.The reaction and growth mechanisms involved in this process are also discussed.There are still many challenges in the preparation of carbon nanotubes through biomass pyrolysis,necessitating further systematic research on the advancement of efficient catalysts,novel heating technologies,and a deeper understanding of the reaction mechanisms involved in preparation of carbon nanotubes for future development.