By Tim Radford - Climate News Network reposted from an original story
It sounds like a seminal step towards unlocking the potential of renewables - a research team has high hopes it has found a cheap and effective way of storing huge amounts of energy.
LONDON, 10 January - Scientists in the US think they may be on the track of a new kind of battery technology that could store huge reserves of energy.
One of the great problems of renewable energy generators such as photovoltaic cells and wind turbines is that they can’t respond to demand.
