Salt, silicon or graphite: energy storage goes beyond lithium ion batteries

From The Guardian, April 6, 2017 (Image: Solar thermal plant in Spain, Beyond Zero Emissions via Flickr)

Between the political bickering following a spate of blackouts in South Australia and the billionaire entrepreneur Elon Musk tweeting that he had a fix, and then the South Australian government announcing that it will build a grid-connected battery storage facility, interest in renewable energy storage has never been higher.

While lithium ion batteries sold by Tesla and others are perhaps the most widely known storage technology, several other energy storage options are either already on the market, or are fast making their way there.

All are hoping to claim a slice of what, by all indications, will be a very large pie. Read more…