FT snippit6 Sep 2018 12:19
Utilities can also switch to so-called flow batteries, which work by storing energy in large separate tanks of liquid electrolyte that is then pumped through a cell. Such batteries can use different materials such as vanadium, a metal currently used in the steel industry.
Vanadium batteries have the benefit of not losing their capacity — a process known as degradation — as quickly as lithium-ion batteries. Vanadium material can also be easily reused.
“We rent the vanadium electrolyte,” Scott McGregor, the chief executive of UK-based company RedT Energy, says. “It’s the first resource in the energy sector that you don’t consume.”
So he has finally woken up to the fact he can't just pick it up anywhere might be a customer in the non to distant