Lithium Battery Coating Workshop in Suzhou
2026-05-19
Project Overview
Lithium battery coating is one of the most critical processes in battery manufacturing. The coating machine precisely applies cathode and anode slurry onto aluminum foil and copper foil current collectors, forming battery electrodes after drying.
Since environmental humidity directly affects battery performance, consistency, and safety, lithium battery production facilities require strict control of temperature, humidity, cleanliness, and safety conditions.
A lithium battery manufacturing workshop in Suzhou required an advanced ultra-low humidity control system to maintain stable production conditions and ensure high-quality battery manufacturing.
To meet the demanding process requirements, Sunchine provided a customized desiccant dehumidification solution based on a dual-stage rotary dehumidifier system.
Customer Challenges
The lithium battery production workshop faced strict environmental control requirements:
- Maintaining low humidity conditions for sensitive battery manufacturing processes
- Ensuring stable temperature and humidity control during continuous production
- Preventing moisture impact on battery quality and production consistency
- Meeting cleanroom requirements for different production areas
- Ensuring safe operation with anti-static and explosion-proof requirements
Key environmental requirements included:
- Mixing, coating, and calendaring areas: Temperature 22–25°C, humidity ≤20% RH
- Electrolyte filling process: Dew point control at approximately -40°C to -60°C
- Assembly areas: Humidity ≤30% RH
- Formation and aging areas: Temperature 25–30°C
- Cleanliness requirements: Class 100,000 clean areas for coating processes and Class 10,000 areas for filling and packaging
Our Solution
Sunchine designed and supplied a low-humidity dual-stage rotary dehumidification system specifically for lithium battery manufacturing applications.
The system adopts advanced desiccant rotary dehumidification technology to achieve ultra-low humidity control with:
- Ultra-low humidity operation (RH <0.01%)
- High-efficiency moisture removal
- Stable continuous operation
- Intelligent humidity monitoring and control
- Energy-efficient regeneration process
The rotary dehumidifier features a honeycomb desiccant wheel made of special heat-resistant composite materials. The rotating wheel continuously absorbs moisture from process air in the dehumidification zone and releases moisture through the regeneration zone.
The system structure includes:
- 270° dehumidification zone
- 90° regeneration zone
This design ensures efficient moisture adsorption and reliable ultra-dry air supply for critical battery manufacturing processes.
Project Results
After installation and commissioning, the system successfully achieved:
- Stable ultra-low humidity control for lithium battery production
- Improved manufacturing consistency and product quality
- Reduced moisture-related production risks
- Reliable operation for continuous industrial production
- Compliance with strict process and safety requirements
The project demonstrates Sunchine’s capability in providing advanced low-humidity environmental control solutions for lithium battery manufacturing facilities.
Applications
Sunchine rotary dehumidification solutions are widely used in:
- Lithium Battery Manufacturing
- Battery Coating Workshops
- Semiconductor Production
- Pharmaceutical Storage
- Chemical Processing
- Laboratories
- Low-Temperature Storage Facilities
- Medical and Blood Storage Centers
- Ship Maintenance Facilities
Why Choose Sunchine?
With extensive experience in industrial humidity control technology, Sunchine provides customized desiccant dehumidification solutions for industries requiring precise moisture management.
From system design and equipment selection to installation and commissioning, Sunchine delivers reliable, energy-efficient, and high-performance solutions for critical production environments.
Previous
Welcome message
* Keep your mobile phone or email open so that we can reach you in time