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High Temperature Thermal Shock and Material Modification: The team of researcher Huajie Yin and academician Huijun Zhao used the Joule Thermal Interface Catalysis (JIC) technology to directly heat the sulfonic acid-functionalized covalent organic frameworks (COF-SO3H) on the carbon felt substrate by electric current to achieve a significant increase in the conversion rate of acetic acid.The Flash Joule Heating Machine (FJH) technology is also able to rapidly heat the material to high temperature to trigger the restructuring of the internal structure and the formation of defects. The Flash Joule Heating Machine (FJH) technology also rapidly heats materials to high temperatures, triggering the reorganization of the internal structure and the formation of defects, and realizing the precise regulation of the microstructure of materials. Both take advantage of the intense reaction conditions brought about by high-temperature thermal shock to promote efficient modification of the target material.
Rapid heating and performance optimization: JIC technology achieves efficient esterification reaction through rapid heating, optimizes the reaction conditions and catalyst performance, and significantly improves the conversion rate and energy efficiency of acetic acid.FJH technology is also commonly used for rapid heating and performance optimization in the preparation of other materials, for example, in the preparation of carbon-based materials, such as graphene, where the defect density and electronic structure of the material can be tuned through rapid heating, thus optimizing its electrical conductivity and chemical structure. thereby optimizing its conductivity and chemical activity.
High efficiency and low cost: JIC technology can complete the heating and catalyzing process of esterification reaction in a short time, which is highly efficient, while FJH technology, with its rapid heating and cooling, can significantly shorten the time of material preparation, improve the production efficiency and reduce the production cost. The combination of the two can further enhance the efficiency and performance of the reaction and material preparation, reduce production costs, and provide technical support for the large-scale production of high-performance chemicals.
Environmental friendliness: JIC technology avoids the long time energy consumption and environmental pollution problems in the traditional high temperature heating process, and does not use additional reagents in the reaction process, reducing the generation of waste.FJH technology does not require the use of solvents or reactive gases during material synthesis and has low energy consumption, which is in line with the current requirements of environmental protection and sustainable development.
Further optimization of material properties: FJH technology can be applied to the subsequent treatment of COF-SO3H catalysts treated by JIC technology to optimize the crystal structure and defect distribution of the catalysts and improve their catalytic activity and stability through further rapid heat treatment. For example, more uniform defect distribution and stronger metal-carrier interactions are realized by FJH technology to enhance the sintering resistance and long-term stability of the catalyst.
Development of new catalytic materials: Combining the rapid synthesis capability of FJH technology and the structure modulation advantage of JIC technology, we explore the development of new catalytic materials. For example, try to put other types of metal or non-metal catalysts through the FJH technology for rapid heat treatment and structure optimization, and then use the JIC technology to carry out the catalytic reaction, so as to achieve higher performance and more excellent application effect.
Optimization and standardization of process parameters: In-depth study of the synergistic mechanism between FJH technology and JIC technology in the process of material preparation and reaction, and optimization of process parameters, such as heating temperature, heating time and current density. Establish a standardized process flow to ensure the stability and consistency of material properties and reaction efficiency, and provide a reliable technical guarantee for the commercial production and application of catalytic materials.
Electrospinning Nanofibers Article Source:
https://doi.org/10.1002/adma.202413949
