Penn State Researchers Create Battery-Free CPU Powered by Solar Energy

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14 July 2026 at 9:17 am

Penn State Researchers Create Battery-Free CPU Powered by Solar Energy

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Summary

Researchers at Penn State have developed a monolithic 3D chip that operates entirely on ambient light, eliminating the need for batteries, by vertically stacking silicon photovoltaics, complementary logic, and graphene chemical sensors.

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