Directory profiles · Battery Business Directory
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Manufacturing Process Map - Overview Mixing
Cathode and anode slurries are made
Coating & Drying Slurries are coated onto the current collector
Cell Capacity
Cylindrical or Wound Prismatic Winding - components are wound into a jelly roll Electrolyte is injected
Prismatic: 1-200+ Ah Pouch: 1-100+ Ah 2170: 3-6 Ah 4680: 15-25 Ah
Physical Inspection CT and/or X-Ray
Calendering Electrodes are densified
Formation
Batteries are charged and discharged
CAPEX* $55-150 million/GWh
Aging
Electrochemical performance is monitored
SCRAP (RAMP UP)
Degassing
Gas in the battery is removed (pouch & prismatic only)
Slitting & Notching
Electrical Inspection
Electrodes are cut into simulated segments for stacked cells or into pancake rolls for wound cells
OCV, ACIR, and capacity (often partial-cap tests)
Stacked Pouch or Prismatic Components are laminated & stacked Electrolyte is injected
Note: Graphics courtesy of LG Energy Solution. Reproduced with permission.
Scrap remains high in ramp-up, mainly due to electrode quality. See QC/analytics slides for example detection points & solutions. *CAPEX reflects tooling only. The higher end of the range is driven by the fact that most equipment is sourced from Asia and is subject to significant import tariffs.
Extracted from the PDF; charts and images may read imperfectly.
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