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-Rapid heating: 1s heating to 3000°C;
-High energy density thermal shock: Significantly changes material properties;
-Precise control: Enhanced material properties and application diversity;
Environmentally friendly: Low energy consumption, no solvent or reaction gas required;
-Fast rising and cooling speed (105⁓106 K/s).
-High accuracy of data acquisition;
-Suitable for scale production;
-Continuous discharge can be customized 0-500s.
3 dischage modes
Continuous heat preservation: After the capacitor is quickly charged and discharged, PID control intervenes to switch the charging power supply for continuous heat preservation (discharge time 30-100ms, holding time 0-500s)
Stage temperature control heating:Direct use of charging power supply heating, to achieve stage temperature control (rapid temperature rise, stable temperature control time can reach 0-500s)
Cyclic charge and discharge:After rapid charging and discharging of the capacitors, the charging and discharging cycle is then repeated to form a thermal shock (each discharging time is 30-100ms).
Applicable to various conductive/non-conductive materials
Such as carbon powder and other carbon-based precursors, metal materials, polyethylene, rubber, glass and other materials flash joule heat reaction.
Data collection
Real-time acquisition of voltage, current, temperature, discharge time
Data trend chart shows that historical data can be queried, data storage and export functions (support USB export), power data automatically saved.
Joule heat power module | Capacitor bank | 400V-36mF(customizable) |
Output voltage | 0-400v | |
Output current | 0-400A(It is determined by the capacitance and the resistance of the sample stage) | |
Electrode form | Copper/graphite electrode, self-clamping, stretchable, adjustable pitch | |
Data acquisition module | Real-time acquisition of voltage, current, temperature, discharge time. Data trend chart shows that historical data can be queried, data storage and export functions (support USB export), power data automatically saved. | |
Temperature range | 500℃-3000℃ | |
Temperature measurement accuracy | ≤±8% | |
Acquisition cycle | 1ms(adjustable) | |
Control system | Touch screen and control system communication integrated control (charge and discharge time control, vacuum and protection gas hand/automatic switch control, heat dissipation start and stop control) and monitoring of the operating status of each function, temperature, pressure in the reaction chamber, make device use more user-friendly and visual. | |
Safety guarantee | Running indicator light; Electricity passing current protection; Cooling system for effective heat dissipation and cooling; Emergency stop button; Real-time monitoring and alarm. | |
Construction | Overall dimension | 1200*600*1300mm |
Reaction chamber | 220*120*70mm (based on the actual size) Material: Aluminum alloy | |
Gas path setting | 1 vacuum, 1 intake, 1 exhaust | |
Response cavity window | Optical glass, adjustable in size and material |
(1)Continuous low-carbon production of graphene By developing an integrated automated system and pyrolytic-FJH coupling technology, continuous, low-carbon production of biomass waste to high-value flash graphene is achieved. Not only improves the recycling rate of resources and production efficiency, but also reduces the environmental impact. Demonstrating the potential for applications in multiple fields such as catalysis, energy storage and environmental governance, while offering significant advantages in terms of economic efficiency and environmental sustainability, it provides innovative solutions for promoting the industrial application of graphene materials and achieving green production. |
(2) Flash joule synthesis of high entropy alloy The high entropy alloy was synthesized by flash joule heat technique. This technique involves mixing a moderate amount of a carbon source, (such as activated carbon or carbon black), with a metal salt precursor at high temperatures. At temperatures in excess of 2000 K, the combustion of the carbon source produces a thermal shock that rapidly reduces the metal salt to metal atoms, then form a solid solution structure at high temperatures and produce a high-entropy alloy by rapid cooling (105 K·s−1). This method can achieve rapid diffusion and uniform distribution of metal atoms in a short time, so as to form an alloy with uniform composition.By adjusting the type and amount of carbon sources, the microstructure and properties of the alloy can be adjusted. |
(3)Extraction of heavy metals from coal ash by flash joule heating technology Removal of heavy metals from coal fly ash by flash Joule heating (FJH) technology. The technology is able to raise the temperature to about 3000°C in a short time, achieving efficient removal of heavy metals such as arsenic, cadmium, cobalt, nickel and lead with a removal rate of 70-90%. Treated coal fly ash (CFA) can be used as an alternative to Portland cement, improving the strength of the cement, reducing heavy metal leakage in acidic environments. In addition, the technology performs well in terms of energy efficiency and cost effectiveness, electricity costing about $21 per ton. Life cycle analysis shows that the reuse of CFA helps to reduce greenhouse gas emissions and heavy metal emissions, energy consumption is effectively balanced compared to landfill. FJH technology is not only suitable for the treatment of coal fly ash, but also has potential for other industrial waste decontamination treatment. |
(4)Sustainable manufacturing of high-performance lithium-ion battery anode materials This essay introduces a method of using human hair, a biological waste, using transient heating technology to make graphene carbon materials, produce high-performance anodes for lithium-ion batteries. The method improves the sustainability of material production, reduces costs and environmental impact, enhances the resilience of the supply chain, provides new ways to optimize battery performance, and opens up new areas of scientific research into the conversion of waste into useful materials. |
(5)Using flash Joule heat technology to synthesize iron-based catalysts for efficient water treatment A new type of iron-based material was synthesized by carbon assisted transient joule heating, combines the properties of single atoms and high exponential crystal surface nanoparticles, significantly improving the ability to generate hydroxyl radicals during persulfate activation. For efficient degradation of organic pollutants, such as antibiotics in medical wastewater, reducing the environmental spread of antibiotic resistance genes, demonstrates the potential for applications in water treatment and environmental protection field. |
(6)Using joule heat to achieve ultra-fast densification of metal-ceramic materials The efficient use of joule heat provides a fast and energy-saving method for the sintering of cermet materials such as tungsten carbide (WC), make the green body reach high temperature in a short time, thus accelerating the densification process, significantly improves the density and mechanical properties of the material while maintaining microstructural homogeneity, important for manufacture of high-performance cemented carbide and wear-resistant materials. |
(7)Innovative technology for converting waste plastic into clean hydrogen A method for converting waste plastics into clean hydrogen and high-purity graphene through rapid joule heating technology. Not only achieving zero carbon emissions, but also negative costs of hydrogen production through the potential sale of graphene by-products, providing an economically viable and environmentally friendly solution for clean energy production and waste recycling |