IEEE Spectrum, Mark Anderson, May 29, 2018

With representatives from major tech companies and venture capital firms in the audience alongside financial backing from investors like the Renault-Nissan-Mitsubishi alliance, the solid-state battery company Ionic Materials cut the ribbon on an expansion of their Woburn, Mass., battery materials fab last week.

Ionic Materials emerged from stealth mode last year, and has built out an enviable list of supporters. They say the company has pioneered a polymer electrolyte that could bring about a revolution in solid-state battery performance and safety. Prototype batteries with Ionic Materials’ solid plastic electrolyte (as opposed to the flammable liquid electrolyte found in most lithium-ion batteries today) promise higher energy densities at low cost, and use less of the rare and troublingly sourced metals such as cobalt that are found in today’s batteries.

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