silicon-anode

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Sujeet Kumar
Founder · Executive · Scientist

Sujeet Kumar

Sujeet Kumar is the co-founder and CEO of Ionblox, a Fremont, California battery company building pre-lithiated silicon-anode lithium-ion cells for electric vehicles and electric aviation. A materials scientist with a Ph.D. from the University of Rochester and more than 60 patents to his name, he previously served as CTO of Envia Systems, where his team developed one of the first 400 Wh/kg lithium-ion cells with a silicon anode. Ionblox, formerly Zenlabs Energy, has raised roughly $32 million in Series B funding from backers including Lilium, Applied Ventures, Temasek and Catalus Capital, and markets cells that promise higher energy density, up to five times more power, and 10-minute fast charging.

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Rick Luebbe
Founder · Executive · Operator

Rick Luebbe

Rick Luebbe is the CEO and co-founder of Group14 Technologies, the Woodinville, Washington company behind SCC55, a silicon-carbon battery material that boosts energy density up to 50% and enables extreme fast charging. A former Army aviation officer who flew scout helicopters in Desert Storm and later commanded an Apache attack company, he traded the cockpit for a Stanford MBA and three startups. After building B2B integrator Hubspan and selling battery-materials pioneer EnerG2 to BASF in 2016, he spun out Group14 in 2015 with co-founder Rick Costantino. The company has raised more than $1 billion, including a $463M Series D, and is building the world's largest factory for advanced silicon battery materials. His mission, stated plainly: electrify everything.

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