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What Are Cathode Active Materials?
Cathode Active Materials (CAMs) are essential components in the cathode of lithium-ion batteries. These materials undergo electrochemical reactions that enable the storage and release of electrical energy. The choice and purity of CAM significantly impact battery:
- Performance
- Energy density
- Cycle life
- Safety
Filtration Challenges in Battery Material Production
CAM manufacturers face several challenges due to the integration of various chemicals and the need to meet strict specifications, including:
- Particle size distribution
- Crystal structure preservation
- Surface area and porosity control
- Contaminant level reduction
These factors are critical to achieving consistent, high-performance battery cells.
Watch our video to explore the transformative CAM process and understand how essential filtration enhances battery performance.
Speak with the Experts in Cathode Active Material Filtration
We provide a wide range of filtration and purification solutions designed to:
- Improve product purity
- Achieve desired crystal size
- Eliminate solid and dissolved contaminants
- Meet cell assembly specifications
- Boost production yields
Below is a process flow for the CAM process which outlines the essential purification steps:
Filtration locations in the CAM manufacturing process
| No | Application | Filtration Value | Pall Product |
|---|---|---|---|
| 1 | Metal Sulfate Solutions to offload tank | Meet high purity specs for CAM Production | Meta Mesh Filter |
| 2 | Metal Sulfate Solution to Crystallizer | Meet high purity specs for CAM Production | 4.5 Micron Filter |
| 3 | NaOH + NH4OH | Remove undissolved salts, iron oxides and other solid contaminants | 0.5 Micron Filter |
| 4 | Mother Liquor and Water Wash | Recover mixed metal hydroxides | Regenerable Filter |
| 5 | DI Water | Reduce dissolved metals and solid fines in CAM slurry | 0.2 - 10 Micron Filters |
| 6 | Gas Filtration (O2, CDA, CFA, N2) | Remove fine particles from gasses | 0.3 Micron Filters |
| 7 | Hot Gas from Furnaces | Recover fine CAM particles | Hot Gas Blowback Filter |
Enhance Your CAM Process with Pall
Pall is a trusted partner in Cathode Active Material Filtration, offering proven solutions to meet the evolving needs of lithium battery manufacturers. Speak to a filtration expert.
Frequently Asked Questions
What is Cathode Active Material Filtration?
Cathode Active Material Filtration is the process of removing contaminants and controlling particle properties during CAM production for lithium-ion batteries. It ensures high purity, structural integrity, and optimal battery performance.
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