Solid State Batteries: the Answer to Li-Ion Batteries' Shortcomings?
Lithium-ion is the best battery technology the world has ever seen. According to a July 2016 report by IDTechX, energy density has increased by 5 % per year whilst cost has reduced by 8 % per year.
However, it is still not a perfect fit: Firstly, it is unlikely to achieve the medium-term transformation which requires improvements in cost and performance of the order of five and, secondly, there are safety concerns over the inherently unstable technology
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