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Shin-Etsu Chemical Niigata Si Anode Plant
Shin-Etsu Chemical Niigata Si Anode Plant
[Last updated: Apr 2026]
This production plant produces anode active materials (AAM) for EV and grid battery applications.
| OEM/owner: | Shin-Etsu Chemical |
| Facility: | Niigata Si Anode Plant |
| Location: | Niigata Niigata |
| Country: | Japan |
| Capacity: | 10.0 kt/y |
| Product: | Si-C Composite |
| Form: | SiOx-graphite composite |
| Carbon source: | Metallurgical silicon (SiOx) Cells |
| Status: | Operational |
| Opened: | 2020 |
| Investment: | $0.3B USD |
| Customers: | |
| Geo risk: | LOW |
Supply chain notes:
Shin-Etsu SiOx-graphite composite; partial silicon replacement (~5% Si); lower expansion than pure Si; Panasonic 2170 cells use SiOx; most commercially mature silicon anode approach..
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