Customer Case | Deeply Rooted in Lithium battery Sector, HUILIN Nitrogen Generators Empower High quality Development of CATL Industrial Chain

As a world‑leading provider of power battery systems, CATL focuses on core businesses including power batteries, energy‑storage batteries and battery recycling. Lithium‑battery production is highly dependent on nitrogen atmosphere. Key processes such as cell coating, electrolyte injection, encapsulation and welding all require high‑purity, low‑dew‑point and continuously stable nitrogen protection. This prevents product defects such as oxidation and swelling, and guarantees battery safety, stability and service life. High‑quality nitrogen‑making equipment serves as core supporting facilities for lithium‑battery intelligent manufacturing.

Guangzhou HUILIN Air Separation Equipment Co., Ltd. is a professional original manufacturer of nitrogen generators with deep expertise in air‑separation equipment. Thanks to its mature technologies, reliable product quality and consistent delivery capacity, HUILIN Air Separation established strategic cooperation with CATL at an early stage. Along with CATL’s capacity expansion and industrial‑chain upgrading, HUILIN nitrogen generators have continuously supplied stable nitrogen support for all major production bases of CATL. Meanwhile, customized nitrogen‑making equipment is provided for its upstream and downstream battery manufacturers and supporting supply‑chain enterprises.

In response to production requirements of the lithium‑battery industry, HUILIN develops exclusive lithium‑battery‑oriented nitrogen‑generation solutions for CATL and its supporting enterprises. Equipped with proprietary core technologies, the solutions perfectly adapt to mass‑production conditions of lithium batteries and feature prominent strengths:

• Ultra‑high purity for precision lithium‑battery manufacturing: Without additional purification units, the equipment can stably produce high‑purity nitrogen of 99.99%~99.999% with dew point below ‑60℃, effectively avoiding cell oxidation and poor encapsulation in lithium‑battery production.
• High efficiency and energy saving to cut mass‑production costs: Adopting a unique gas distribution system for adsorption towers and premium carbon molecular sieve filling technology, the equipment achieves 10%‑20% energy saving with low energy consumption and high air‑utilization rate. It significantly reduces energy consumption and operating costs for enterprises during long‑term mass production.
• Sturdy and durable for long‑term reliable operation: Built with premium core components and patented technologies including equal‑flow gas distribution and nitrogen purging for venting towers, the equipment avoids operational fluctuations. It delivers a service life of over ten years with low failure and wear rates, well suited to round‑the‑clock mass production of lithium‑battery enterprises.
• Intelligent operation & maintenance for unattended efficient performance: Fitted with PLC intelligent control system and touch‑screen visual interface, it displays real‑time core parameters including nitrogen purity, flow rate and pressure. The equipment supports automatic start‑stop and intelligent adjustment. Requiring no on‑site dedicated operators, it features easy operation and simple maintenance, greatly cutting labor costs for operation and maintenance.

Consistent cooperation performance, solid product competence and comprehensive after‑sales service have made HUILIN Air Separation a trusted long‑term strategic supplier for CATL and the lithium‑battery industrial chain. Going forward, Guangzhou HUILIN Air Separation Equipment Co., Ltd. will keep focusing on lithium‑battery supporting sector, iteratively upgrade energy‑saving, intelligent and high‑precision nitrogen‑making equipment, and optimize customized air‑separation solutions. It will continue to deliver stable, efficient and cost‑effective gas‑source guarantee for enterprises in the new‑energy industrial chain, facilitating high‑quality and sustainable development of the industry.