Talia Green
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Better batteries are critical for a greener future. This new silicon-­­carbon composite material from Group14 can improve the energy density and charging time of the batteries in everything from smartphones to EVs to earbuds. SCC55 can easily integrate into existing lithium-­ion battery manufacturing processes, replacing the graphite now typically found in battery anodes. The result improves energy density by up to 50%, says Group14 CEO and co-founder Rick Luebbe. SCC55 also enables extremely fast charging, so EVs could potentially charge in 10 minutes. The startup has several high-­profile partners, including Porsche (an investor), which expects SCC55 to power its EVs in 2024.

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