Topic: renewable energy storage

  • 6 Overlooked Science Stories You Need to See

    6 Overlooked Science Stories You Need to See

    Researchers revived Thomas Edison's nickel-iron battery concept using a protein-graphene scaffold, creating a fast-charging, durable prototype ideal for storing renewable energy despite lower capacity than lithium-ion. A snap-on sensor for underwear was developed to discreetly monitor gastrointes...

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  • Amsterdam's Ore Energy raises $43M for long-duration iron-air batteries

    Amsterdam's Ore Energy raises $43M for long-duration iron-air batteries

    Ore Energy, an Amsterdam-based startup, raised $43 million in Series A funding to advance its iron-air battery technology, which stores renewable electricity for up to 100 hours using a reversible rusting process with only iron, water, and air,avoiding critical materials like lithium or cobalt. T...

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  • Underground Energy Storage & Trump's AI Plan Secrets

    Underground Energy Storage & Trump's AI Plan Secrets

    Quidnet Energy has demonstrated a novel underground pumped hydro system that stores renewable energy for up to six months, offering a solution for long-term storage in areas where traditional methods are impractical. The U.S. AI Action Plan introduces controversial measures, including financial p...

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  • Finnish Town Heats Up with World's Largest Sand Battery

    Finnish Town Heats Up with World's Largest Sand Battery

    A Finnish company, Polar Night Energy, developed a sand-based energy storage system using crushed soapstone to store renewable energy as heat, significantly reducing emissions in Pornainen. The 13-meter-tall sand battery stores 2,000 tonnes of soapstone, providing 100 MWh of energy—enough to heat...

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  • Offgrid Raises $15M to Pioneer Lithium-Free Battery Storage

    Offgrid Raises $15M to Pioneer Lithium-Free Battery Storage

    Offgrid Energy Labs raised $15 million in Series A funding to develop its zinc-bromine battery technology, offering a cost-effective and safer alternative to lithium-ion systems. The company's ZincGel batteries provide 80–90% of lithium-ion efficiency with a longer lifespan, reduced fire risk, an...

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