Nitrogen plays a variety of key roles in the production of lithium batteries. It is used to prevent oxidation, stabilize the atmosphere in the coating area, control the reaction environment to ensure battery life, achieve vacuum or atmosphere protection, clean battery components, bake to remove environmental moisture, prevent welding oxidation, prevent thermal runaway, and prolong battery life. These ensure the performance, safety, and stability of lithium batteries.
The main applications are as follows:
1.Photovoltaic solar cell production
eate a pure, oxygen-free atmosphere and prevent contamination of photovoltaic materials by impurities and oxygen, which helps to ensure the high efficiency and long life of solar cells. In the manufacture of solar cells, high-purity nitrogen is often used, and a nitrogen purity of 99.999% (5N) or higher is usually required to ensure that the manufacturing process is not contaminated by oxygen and other impurities.
2.Lithium battery production.
In lithium battery manufacturing, nitrogen is used to maintain an oxygen-free or hypoxic manufacturing environment, prevent unwanted reactions between highly reactive materials and oxygen in the battery, and improve the safety and stability of the battery. In lithium-ion battery manufacturing, industrial-grade nitrogen (99% to 99.9% purity) is usually sufficient to maintain an oxygen-free or hypoxic environment to prevent oxygen from negatively affecting the materials in the battery.
3.Energy storage systems
In electric energy storage systems, nitrogen can be used as a protective atmosphere for the energy storage system to prevent oxidation and corrosion in batteries or supercapacitors. In electric energy storage systems, the purity requirements for nitrogen are often application-dependent. High purity nitrogen is often required to prevent oxidation and corrosion in batteries or supercapacitors.
In battery production and energy storage, the use of high-purity nitrogen is essential to ensure product quality, improve production efficiency and ensure safety.
