Energy & Green Tech

High-frequency transistors achieve record efficiency at 100 volts

Researchers at the Fraunhofer Institute for Applied Solid State Physics IAF have succeeded in significantly increasing the output power of their GaN‑based high‑frequency transistors for the frequency range from 1–2 ...

Energy & Green Tech

Wireless charging—More power, smaller package

Oak Ridge National Laboratory researchers created and tested new wireless charging designs that may double the power density, resulting in a lighter weight system compared with existing technologies, while maintaining safety.

Energy & Green Tech

Scientists develop novel biophotovoltaics system

Researchers from the Institute of Microbiology of the Chinese Academy of Sciences have reported a novel biophotovoltaics (BPV) system based on a synthetic microbial consortium with constrained electron flow. This BPV system ...

Energy & Green Tech

What does it take to make a better battery?

Cambridge researchers are working to solve one of technology's biggest puzzles: how to build next-generation batteries that could power a green revolution.

Energy & Green Tech

Saliva-powered battery could be helpful in extreme conditions

Researchers at Binghamton University, State University of New York have developed the next step in microbial fuel cells (MFCs): a battery activated by spit that can be used in extreme conditions where normal batteries don't ...

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