Invests in Form Energy's iron-air battery for 100-hour grid storage
Breakthrough Energy Ventures co-led a $200 million Series D in Form Energy, which is developing an iron-air battery capable of discharging over 100 hours — far longer than lithium-ion. The technology uses cheap, abundant iron and atmospheric oxygen, dramatically reducing material costs compared to other long-duration storage approaches. Long-duration storage is considered a prerequisite for a grid powered predominantly by wind and solar.
Source: https://formenergy.com/news/form-energy-200m-series-d/
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March 2025
Breakthrough Energy Ventures Invests in Savor — Butter Made Directly from Carbon
Breakthrough Energy Ventures backed Savor, a startup that produces butter using carbon dioxide and hydrogen — derived from atmospheric carbon and water — without any conventional agriculture, animals, or farmland. Savor's thermochemical process generates saturated fat with an identical molecular profile to dairy butter while using an estimated 99.9 percent less water and zero agricultural land. The product launched at Michelin-starred restaurants in 2025, with supermarket availability targeted for 2027, as part of Gates's broader bet on food-system decarbonisation.
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