BusinessGreen: Bill Gates has become the latest investor to back an innovative new water-based battery technology, which promises to store power generated by intermittent renewable energy projects such as wind and solar farms.
Aquion Energy yesterday confirmed it has raised $35m (23.2m) in a new funding round for its Aqueious Hybrid Ion batteries and energy storage systems, including an undisclosed sum from the billionaire Microsoft chairman.
The company claims that its innovative batteries are an environmentally...