PHOENIX, July 9, 2024 /PRNewswire/ – EarthEn Energy, a US-based climate-tech startup, is proud to announce that it has received funding from the National Science Foundation (NSF) Small Business Technology Transfer (STTR) program, also known as America’s Seed Fund. This award supports the development of a novel Thermal Energy Storage (TES) system, aka heat battery for EarthEn’s sCO2-based, thermo-mechanical, long-duration energy storage. The NSF STTR program is a highly competitive award that funds innovative technologies with high potential for commercialization and societal impact.

e-Zinc, the company pioneering sustainable, long-duration energy storage with its zinc-air battery technology, today announced it has secured an additional USD $31 million in follow-on funding to its $25 million Series A round. This oversubscribed Series A2 round was spearheaded by Evok Innovations, with additional investments from Mitsubishi Heavy Industries, Export Development Canada (EDC), and Ultratech Capital Partners. The round also saw participation from e-Zinc’s existing shareholders, including Toyota Ventures, Eni Next, Anzu Partners, BDC, and Graphite Ventures.