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Nitrogen and oxygen generators play a crucial role in the lithium new energy industry, particularly in the production and maintenance of lithium-ion batteries.

Here are some specific applications:

Nitrogen Generators

Inert Atmosphere for Battery Production:

Electrode Manufacturing: Nitrogen is used to create an inert atmosphere during the mixing, coating, and drying processes of battery electrodes. This prevents oxidation and contamination, ensuring high-quality electrode production.
Battery Assembly: During the assembly of battery cells, nitrogen is used to maintain an oxygen-free environment, preventing unwanted chemical reactions that could degrade the battery components.

Battery Cell Formation:

During the initial charge and formation process of lithium-ion batteries, nitrogen is used to purge the system and maintain an inert atmosphere. This helps in the formation of stable solid electrolyte interphase (SEI) layers, which are critical for battery performance and longevity.

Leak Detection:

Nitrogen is used in leak detection tests for battery cells and packs. Pressurized nitrogen is used to detect leaks in battery enclosures, ensuring the integrity and safety of the battery systems.

Oxygen Generators

Heat Treatment and Sintering:

In the production of battery materials such as cathodes and anodes, oxygen is often required in controlled amounts during heat treatment and sintering processes. Oxygen generators provide a consistent supply of oxygen for these processes, ensuring optimal material properties.

Ozone Generation:

Oxygen generators are used to produce ozone, which can be used in the cleaning and preparation of battery components. Ozone is a powerful oxidizing agent that can remove organic contaminants and improve the adhesion of coatings.

Electrolyte Preparation:

In some advanced battery technologies, oxygen is used in the preparation of electrolytes. Controlled oxygen environments can be essential for the synthesis of certain electrolyte materials that enhance battery performance and safety.

Summary

Nitrogen Generators: Primarily used to create inert atmospheres, prevent oxidation, ensure safe battery assembly, and for leak detection.

Oxygen Generators: Utilized for heat treatment, sintering processes, ozone generation for cleaning, and in the preparation of specific electrolyte materials.

These applications help ensure the quality, performance, and safety of lithium-ion batteries, which are essential for the new energy industry.