What are the applications of vacuum atmosphere tube furnaces in the field of new energy?

The application of vacuum atmosphere tube furnace in the field of new energy is extensive and important, mainly reflected in the following aspects:

1、 Preparation of lithium-ion battery materials
Synthesis and modification of positive and negative electrode materials:
Positive electrode material: Vacuum atmosphere tube furnace can be used for the process of sintering metal oxides or phosphates such as lithium, cobalt, nickel, etc. at high temperatures to form positive electrode materials. By precisely controlling the atmosphere and temperature, the purity, crystallinity, and electrochemical performance of positive electrode materials can be improved.
Negative electrode material: Heat treatment is applied to negative electrode materials such as graphite and silicon to improve their conductivity, cycling stability, and energy density. For example, by high-temperature sintering and atmosphere protection, the wettability between the negative electrode material and the electrolyte can be enhanced, and the interface resistance can be reduced.
Electrode material modification: Surface coating or doping modification of electrode materials under vacuum atmosphere to improve their cycle life, safety, and fast charging performance.
2、 Preparation of solar cell materials
Silicon based solar cells:
Annealing treatment of silicon wafers: Annealing treatment of silicon wafers in a vacuum atmosphere to eliminate internal stress, improve crystal quality, and enhance photoelectric conversion efficiency.
Preparation of thin film solar cell materials: In the preparation process of copper indium gallium selenide (CIGS) and cadmium telluride (CdTe) thin film solar cells, a vacuum atmosphere tube furnace is used for deposition and annealing of thin film materials.
Perovskite solar cells:
Synthesis and Annealing of Perovskite Materials: High quality perovskite materials are synthesized under vacuum atmosphere and annealed to improve their crystallinity and stability.
Preparation of electrode materials: Prepare electrode materials that match perovskite materials and perform heat treatment to improve their conductivity and contact performance with perovskite layers.
3、 Preparation of hydrogen energy materials
Hydrogen storage material:
Metal hydride hydrogen storage materials: Metal hydride hydrogen storage materials, such as magnesium based, titanium based, and rare earth based hydrogen storage materials, are prepared by high-temperature sintering. These materials have high hydrogen storage capacity and excellent cycling performance.
Carbon based hydrogen storage materials: Heat treatment is performed on carbon nanotubes, graphene, and other carbon based hydrogen storage materials in a vacuum atmosphere to improve their hydrogen storage performance and stability.
Catalyst preparation:
Proton exchange membrane fuel cell catalysts: precious metal catalysts such as platinum based and palladium based, as well as non precious metal catalysts such as transition metal nitrides and carbides. Vacuum atmosphere tube furnace is used for synthesizing and annealing catalyst materials to improve their activity and stability.
Electrolytic water hydrogen production catalyst: Prepare efficient electrolytic water hydrogen production catalysts, such as nickel iron based, cobalt based, etc., to reduce hydrogen production costs and improve hydrogen production efficiency.
4、 Preparation of other new energy materials
Supercapacitor electrode materials: such as activated carbon, graphene, transition metal oxides, etc. Vacuum atmosphere tube furnace is used for synthesizing and annealing electrode materials to improve their specific capacitance and cycling stability.
Thermoelectric materials: Preparation of high-performance thermoelectric materials such as bismuth telluride, skutterudite, etc. By precisely controlling the atmosphere and temperature, the conversion efficiency and stability of thermoelectric materials can be improved.
5、 Research and development of new energy materials
Vacuum atmosphere tube furnace is not only used for the large-scale production of new energy materials, but also widely applied in the research and development of new materials. By adjusting parameters such as atmosphere, temperature, and heating rate, the synthesis mechanism, phase transition process, and performance optimization approach of new materials can be explored, providing theoretical support and practical guidance for the development of new energy technologies.

Application advantages
Accurate control of atmosphere: Vacuum atmosphere tube furnace can provide vacuum or multiple protective atmospheres (such as hydrogen, nitrogen, argon, etc.) to meet the special requirements in the preparation process of new energy materials.
High temperature heating performance: It has the ability to heat at high temperatures and can meet the high temperature conditions required for the preparation of new energy materials.
Good sealing: Ensure that the material is not contaminated by external factors under vacuum or protective atmosphere, improving the quality and performance of the product.
Easy to operate: With advanced control systems, automated operations and remote monitoring can be achieved, improving production efficiency and safety.
In summary, the application of vacuum atmosphere tube furnaces in the field of new energy is extensive and important, providing strong technical support for the development of new energy technology.