Energy

Energy Harvesting

Here are the latest technical briefs and resources for design engineers working in energy harvesting. Find trending applications used in wireless autonomous devices in electronics, and wireless sensor networks.

The patch could serve as a personal thermostat and save energy.
Question of the Week: Energy
Will We Ever See Humidity Panels Alongside Solar Panels?

Our lead INSIDER story featured an experiment from Tel Aviv University that supports the idea of water vapor as an alternative energy source.

What do you think? Will We Ever See Humidity Panels Alongside Solar Panels?

Share your questions and comments.

A new metal-air scavenger works like a battery, in that it provides power by repeatedly breaking and forming a series of chemical bonds. But it also works like a harvester,...

"Who knows? Maybe one day we will have roofs covered with humidity panels together with solar panels," TAU professor Colin Price told Tech Briefs.
This type of energy source could be the basis for robots that seek out and “eat” metal, breaking down its chemical bonds for energy like humans do with food.
This method of producing clean syngas could be used to develop a sustainable liquid fuel alternative to gasoline.
The flexible device harvests heat energy from the body to monitor health.
The rainproof, stainproof technology turns clothing into self-powered remotes while turning away bacteria.
This new design could conserve energy used for defrosting airplanes, appliances, and more.
Applications include powering portable electronic devices and sensors, and harvesting waste mechanical energy for aircraft, automobile, and other transportation equipment.
A wearable energy harvesting device could generate energy from the swing of an arm while walking or jogging.

Materials called perovskites show strong potential for a new generation of solar cells, but they’ve had trouble gaining traction in a market dominated by...

These actuators provide active flow control for airfoil surfaces and supersonic inlets of wing-borne vehicles.
Briefs: Mechanical & Fluid Systems
Bio-Inspired Mechanics to Make Robots More Effective
This technology could impact new directions in robotics design.
Question of the Week: Energy
Will Rain Become a Viable Energy Source?

Our lead INSIDER story today demonstrated the power of a droplet energy generator – specifically the system’s ability to light up 100 LEDs with just a small amount of water.

An energy breakthrough from the City University of Hong Kong finds power in a single drop of water – up to 140 volts, in fact.
Briefs: Green Design & Manufacturing
Catalysis Approach Reduces Carbon Dioxide to Methane
This approach is a cost-effective way to convert carbon dioxide gas into methane.
These robust materials convert excess heat energy into electricity.
These stickers wirelessly beam health readings to a receiver clipped onto clothing.
Briefs: Electronics & Computers
Device Creates Electricity from Snowfall
The nanogenerator also acts as a weather station.
Q&A: Electronics & Computers
Q&A: Refrigeration by Twisting Fibers
Changing directions of twist and coiling changes whether a material cools or heats.
Briefs: Data Acquisition
Photovoltaic-Powered Sensors
RFID-based devices work in indoor and outdoor lighting conditions and could transmit data for years before they need to be replaced.
When combined with saltwater, rust can be a source of electricity.
This technology has applications in sonar, range measuring, directional-force sensors, flow meters, and vibration/noise sensing and control.
The device could impact composites manufacturing and health monitoring.
A new charging cell wants to use low-grade heat from our industrial processes to power our devices.

Researchers have created a motion-powered, fireproof sensor that can track the movements of firefighters, steelworkers, miners, and others who work in high-risk environments where they cannot always be seen....

A new wearable could make heart health monitoring easier and more accurate than existing electrocardiograph machines.

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