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Sumitomo Metal Niihama Refinery + CAM
Sumitomo Metal Niihama Refinery + CAM
[Last updated: Apr 2026]
This production plant produces cathode active materials (CAM) for EV and grid battery applications.
| OEM/owner: | Sumitomo Metal |
| Facility: | Niihama Refinery + CAM |
| Location: | Niihama Ehime |
| Country: | Japan |
| Product: | pCAM+CAM |
| Capacity: | 40.0 kt/y |
| Chemistry: | NCA / NMC811 |
| Precursor: | Captive Philippine nickel + domestic Co Cells |
| Inputs: | Battery Ni / Co |
| Status: | Operational |
| Opened: | 1981 |
| Investment: | $1.0B USD |
| Customers: | Panasonic (Tesla supply chain) / Toyota |
| Geo risk: | LOW |
Supply chain notes:
SMM primary Japanese CAM producer; NCA for Panasonic 2170/4680 (Tesla supply chain); vertically integrated from Philippine nickel laterite; Toyota NMC supply growing..
Location map - Driving directions