Gas Filtration for Cathode Active Materials in Electric Vehicle Battery Production

April, 2024

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Climate change awareness, alarming pollution levels and the continuous uncertainty of oil prices drive the acceleration of the market demand for electric vehicles (EV). A report from Allied Market Research said that the global electric vehicle battery market could reach $84 billion by 2025, a CAGR growth of 17.2% from 2018 to 2025. Massive investments, continuous technical innovations, and new quality standards accompany the exponential growth along the production value chain.


Supporting this exponential growth are investments across the EV value chain, continuous technical innovations and new quality standards. The EV battery production process is very complex and involves many different market segments, such as mining, specialty chemicals, polymers, and industrial manufacturing. At each stage of its value chain, there is a constant requirement to produce the purest active materials or the cleanest components or sub-systems.


Typical Applications


Base materials

  • Mining
  • Material processing

Active materials

  • Chemicals 
  • Specialty chemicals
  • Polymers

Battery cells

  • Chemicals
  • Specialty chemicals

Battery pack

  • Micro-electronics
  • Automotive
  • Nickel
  • Lithium
  • Cobalt 
  • Aluminium
  • Separator
  • Electrolyte
  • Anode/cathode


  • Casing
  • Filling
  • Slurry
  • Cleanliness 
  • Monitoring


To achieve the required levels of purity or cleanliness, filtration and separation solutions need to be fully integrated into the production process, regardless of whether the streamlines are solid, liquid or gaseous. To meet the specifications of EV battery manufacturers, high-performance filtration solutions are required at the different fabrication stages to produce pure and uniform active materials. Tight Quality Assurance controls are present across the entire value chain of EV battery manufacturing to mitigate the impact of contamination on battery performance, thermal stability, and reduce unit costs per kWh.


In our latest case study, we tackle the challenges faced by a major chemical company wanting to install efficient filtration solutions on its pressurized gas circuits feeding its many processing lines used to produce pure cathode active materials. Download the full story here.


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