CELL DEVELOPMENT
Our expertise in product engineering and manufacturing engineering, coupled with our state-of-the-art equipment, ensures we can manufacture high quality products for all of our customers. We have extensive understanding in product engineering of cell design, materials, electrochemistry, mechanical and electrical; and in manufacturing engineering, across electrode, cell, module, and pack manufacturing.
Electrode
Our electrode manufacturing capability incorporates mixing, coating and drying, calendering & slitting.
Mixing:
- ISO8 clean room
- Segregated anode and cathode
- Option to mix cathode under inert atmosphere
- -70°C humidity
- 2 x intensive mixers
- Batch size: 150 -220 litres
- Solvents:
- Anode: de-ionised water
- Cathode: n-methyl pyrrolidone (NMP)
Coating & Drying:
- Environment:
- ISO7 clean room
- Cathode rewind only: dew point = -40°C
- Foil width: 300-700mm
- Technology:
- Simultaneous slot die coating
- Flotation dryers
- Defect inspection
- Dimensional inspection of Coatweight
- Dryer length: 40m (8 x 5m zones)
- Coating width: Up to 690mm
- Max. roll diameter: 800mm
Calendering & Slitting:
- Environment:
- Anode: ISO7 clean room
- Cathode: ISO7 clean room & dew point = -40°C
- Max. calendering width: 700mm
- Roll temperature: up to 135°C (cathode)
- Max. line load (at 700mm wide): 2000 N/mm
Cell Assembly
We have the capability to deliver cell assembly at industrial rates.
Cylindrical cell assembly:
- Environment:
- ISO7 clean room & dew point = -40°C
- Dew point at electrolyte fill = -50°C
- Cell format: 21700
Pouch cell assembly:
- Environment:
- ISO7 clean room & dew point = -40°C
- Dew point at electrolyte fill = -50°C
- Cell format: 300mm x 100mm x 10mm
- Technology: Z-fold stacking
Formation, Ageing & Testing
Our robust battery formation, ageing & testing processes help assure optimal battery performance and safety.
Environment:
- Environment: ISO class 9
- High temperature ageing, typically 40°C
