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

Ore Energy, an Amsterdam-based startup building grid-scale iron-air batteries, has raised $43 million in Series A funding to scale a technology that can store renewable electricity for up to 100 hours. The round was led by Plural and HV, with participation from Positron Ventures, bringing the company’s total funding to $61 million. The batteries work […] This story continues at The Next Web