SMRTR Science & EngineeringAug 4, 2026Daily.dev

Amsterdam startup Ore Energy raises $43 million to build iron-air batteries that store power for days

SMRTR summary

Amsterdam startup Ore Energy raised $43 million to scale iron-air batteries that store renewable electricity for up to 100 hours by rusting and unrusting iron electrodes using only iron, water, and air. The technology skips critical materials like lithium, and the company already secured a 1 GWh deal with Dutch supplier Budget Thuis.

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