Vanadium: "the beautiful metal that stores energy". Vanadium is the key element used in redox flow batteries which can store large amounts of energy almost indefinitely, perfect for remote wind or solar farms.
BZE radio talks to researchers in this field from the University of Hull in the UK:
Dr Helena I. Gomes and
Dr Helen Baxter.
BZE Technology Radio Show: 1 June 2016: Podcast:
From Radio 3CR in Melbourne, Australia
Further reading:
The Conversation - Vanadium: the ‘beautiful metal’ that stores energy
Dr Helena I. Gomes & Dr Helen Baxter - Interview