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High-temperature thermal shock and material regeneration: Professor Huang Yunhui and Professor Yao Yonggang's team used rapid heating technology (RHT) to achieve high-temperature reaction in a very short time, targeted repair of surface and interface defects of degraded materials, and achieved efficient regeneration of lithium-ion battery materials. Flash Joule Heating Machine (FJH) technology can also quickly heat materials to high temperatures, triggering the reorganization of the internal structure of the material and the formation of defects, and achieve precise control of the microstructure of the material. Both use the violent reaction conditions brought by high-temperature thermal shock to promote efficient regeneration and modification of target materials.
Rapid heating and energy consumption reduction: RHT technology achieves efficient regeneration of materials through rapid heating, significantly reducing energy consumption and environmental pollution. 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, the defect density and electronic structure of the material can be regulated by rapid heating, while greatly shortening the time for material preparation and reducing production costs.
Environmental friendliness: RHT technology avoids the high energy consumption and environmental pollution problems in traditional hydrometallurgical and pyrometallurgical recovery methods. FJH technology does not require the use of solvents or reaction gases during the material synthesis process, and has low energy consumption. It is an environmentally friendly preparation method. The combination of the two helps to achieve a greener and more sustainable battery material recycling and regeneration process, which meets the current requirements of environmental protection and sustainable development.
Process flexibility and scalability: RHT technology has good process flexibility, and can achieve precise control of the material regeneration process by adjusting parameters such as heating time and temperature. FJH technology also has good scalability and can be applied to the preparation of materials of different scales and types. The combination of the two helps to achieve large-scale application of battery material recycling and regeneration.
Further optimization of material properties: FJH technology can be applied to the subsequent treatment of battery materials treated by RHT technology. Through further rapid heat treatment, the crystal structure and defect distribution of the material can be optimized to improve its electrochemical performance and stability. For example, more uniform defect distribution and stronger metal-support interaction can be achieved through FJH technology, and the material's anti-sintering ability and long-term stability can be enhanced.
Development of new battery materials: Combine the rapid synthesis capability of FJH technology and the regeneration advantages of RHT technology to explore and develop new battery materials. For example, try to use FJH technology to perform rapid heat treatment and structural optimization on other types of metal oxides or composite materials, and then use RHT technology for regeneration to achieve higher performance and better application effects.
Optimization and standardization of process parameters: In-depth study of the synergistic mechanism of FJH technology and RHT technology in the recycling and regeneration of battery materials, and optimize process parameters such as heating temperature, heating time, current density, etc. Establish a standardized process flow to ensure the stability and consistency of material performance and regeneration efficiency, and provide reliable technical support for the commercial production and application of battery material recycling.
Electrospinning Nanofibers Article Source:
https://doi.org/10.1002/aenm.202404838
