The Heat Coming Out of Your Car’s Tailpipe? Some Can Be Turned Into Electricity

Researchers have created a prototype that can be fitted into tailpipes of cars, helicopters and unmanned aerial vehicles without changing how they operate.

Turning car and helicopter exhaust into thermoelectric energy

Combustion engines, the engines in gas-powered cars, only use a quarter of the fuel’s potential energy while the rest is lost as heat through exhaust. Now, a study published in ACS Applied Materials & Interfaces demonstrates how to convert exhaust heat into electricity.

Waste heat to green energy: Approach boosts thermoelectric generator efficiency

Thermoelectric generators that can convert waste heat to clean energy could soon be as efficient as other renewable energy sources, like solar, according to a team led by Penn State scientists. Using high-entropy materials, the researchers created more efficient thermoelectric materials than previously possible, an advancement that they said could even help make long-distance space exploration possible.

Dual-energy harvesting device could power future wireless medical implants

Implantable biomedical devices — like pacemakers, insulin pumps and neurostimulators — are becoming smaller and utilizing wireless technology, but hurdles remain for powering the next-generation implants. A new wireless charging device developed by Penn State scientists could dramatically improve powering capability for implants while still being safe for our bodies, the researchers said. Read more

New high-power thermoelectric device may provide cooling in next-gen electronics

Next-generation electronics will feature smaller and more powerful components that require new solutions for cooling. A new thermoelectric cooler developed by Penn State scientists greatly improves the cooling power and efficiency compared to current commercial thermoelectric units and may help control heat in future high-power electronics, the researchers said. Read more

Breakthrough in waste heat to green energy: Materials boost record efficiency

In the effort to reduce our reliance on fossil fuels, one strategy involves harvesting the waste heat that is already being produced by our energy systems. Thermoelectric generators can convert waste heat to clean electricity, and a new design breakthrough may make these devices more efficient than previously possible, according to scientists at Penn State and the National Renewable Energy Laboratory. Read more