EnerVenue raises $300M to scale NASA-proven metal-hydrogen batteries for grid storage

For decades, nickel-hydrogen batteries have been the quiet workhorses of space, powering the International Space Station and the Hubble Space Telescope through the extremes of orbit. Now, a California startup wants to put that same chemistry to work on the ground, and it just secured serious money to do it. EnerVenue has raised $300 million […] This story continues at The Next Web