Sources: SoftBank plans to make lithium- and cobalt-free data center batteries in Japan as soon as FY 2027, as Japan tries to cut its reliance on Chinese metals
Context & Ripple Effects
SoftBank’s reported battery plan sits alongside its broader push into AI infrastructure: its SB Neo unit is aimed at supplying AI chips and cloud services, while the company is also pursuing substantial U.S. capacity. A subsequent report says SoftBank partnered with Cosmos Lab and DeltaX to target 1 GWh of annual next-generation battery production in Sakai from FY2027.
It also aligns with Japan’s wider effort to localize strategic technology supply chains, reflected in support for domestic semiconductor manufacturing and foreign chip plants. The data-center backdrop matters: Japan’s market is projected to expand while capacity remains concentrated in dense regions, increasing the importance of power and backup infrastructure.
First-order effects
- SoftBank would add battery production to its data-center infrastructure buildout, aiming to source a lithium- and cobalt-free option from Japan rather than relying on the Chinese metals supply chain.
- The plan creates an immediate execution requirement for SoftBank and its prospective manufacturing partners: turn a materials-substitution design into reliable, deployable data-center battery capacity by FY2027.
Second-order effects
- Data-center operators and infrastructure suppliers would gain a potential alternative procurement path for stationary storage, while incumbent battery suppliers face pressure to demonstrate comparable supply security and performance.
- Japan’s data-center expansion could pull more localized power-storage manufacturing and component activity into the same industrial ecosystem that is being reinforced by semiconductor investment.
Third-order effects
- If production scales as planned, AI infrastructure procurement may increasingly treat battery chemistry and material provenance as strategic resilience choices, not merely equipment specifications.
- The broader structural shift is toward nationally anchored technology stacks—chips, compute, cloud, and power systems—though the commercial viability of lithium- and cobalt-free batteries at data-center scale remains the key constraint.
The trend: AI-data-center buildouts are widening from compute procurement into localized, supply-chain-resilient power infrastructure.