In this, our latest episode of Lexicon, we dive deep into the world of solid-state batteries with Graeme Purdy, CEO and co-founder of Ilika Technologies. With over two decades leading the company from a University of Southampton spin-out to a key player in the battery innovation space, Purdy brings clarity, insight, and optimism about the future of energy storage.
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Why solid-state matters
Ilika’s flagship project, Goliath, is generating serious buzz in the electric vehicle (EV) world. As Purdy explains, “Solid-state batteries are just better batteries.” They’re safer, more energy dense, and promise to unlock faster charging and greater range — all essential features for the next generation of EVs.
“We’re in the middle of an electric revolution,” Purdy says. While lithium-ion batteries have powered the transition away from internal…


