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.

Latest Briefs & News

Q&A : Electronics & Computers
Q&A: Refrigeration by Twisting Fibers
Q&A: Refrigeration by Twisting Fibers
Changing directions of twist and coiling changes whether a material cools or heats.
Q&A: Refrigeration by Twisting Fibers
Briefs : Sensors/Data Acquisition
Photovoltaic-Powered Sensors
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.
Photovoltaic-Powered Sensors
Briefs : Energy
Ultra-Thin Layers of Rust Generate Electricity from Flowing Water
Ultra-Thin Layers of Rust Generate Electricity from Flowing Water
When combined with saltwater, rust can be a source of electricity.
Ultra-Thin Layers of Rust Generate Electricity from Flowing Water
Briefs : Sensors/Data Acquisition
Macro-Fiber Composite (MFC) Actuator
Macro-Fiber Composite (MFC) Actuator
This technology has applications in sonar, range measuring, directional-force sensors, flow meters, and vibration/noise sensing and control.
Macro-Fiber Composite (MFC) Actuator
Briefs : Materials
Washable Sensor Can Be Woven Into Materials
Washable Sensor Can Be Woven Into Materials
The device could impact composites manufacturing and health monitoring.
Washable Sensor Can Be Woven Into Materials
Blog : Sensors/Data Acquisition
'Direct Thermal Charging Cell' Turns Waste Heat into Power
'Direct Thermal Charging Cell' Turns Waste Heat into Power
A new charging cell wants to use low-grade heat from our industrial processes to power our devices.
'Direct Thermal Charging Cell' Turns Waste Heat into Power
Briefs : Materials
Motion-Powered, Fireproof Sensor
Motion-Powered, Fireproof Sensor

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....

Motion-Powered, Fireproof Sensor
5 Ws : Sensors/Data Acquisition
5 Ws of the E-Tattoo for Heart Monitoring
5 Ws of the E-Tattoo for Heart Monitoring
A new wearable could make heart health monitoring easier and more accurate than existing electrocardiograph machines.
5 Ws of the E-Tattoo for Heart Monitoring
Briefs : Energy
Battery-Free Sensor for Underwater Use
Battery-Free Sensor for Underwater Use

To investigate oceans, researchers aim to build a submerged network of interconnected sensors that sends data to the surface. Supplying constant power to scores of sensors designed to stay for long...

Battery-Free Sensor for Underwater Use
Articles : Energy
2019 'Create the Future' Sustainable Technologies Category Winner: Wave-Powered Water Desalination
2019 'Create the Future' Sustainable Technologies Category Winner: Wave-Powered Water Desalination
Learn about the world's first wave-driven desalination system.
2019 'Create the Future' Sustainable Technologies Category Winner: Wave-Powered Water Desalination
Question of the Week : Mechanical & Fluid Systems
Will Wave-Powered Desalination Catch On?

Today's lead INSIDER story demonstrated how ocean waves can be used to turn seawater into freshwater.

Blog : Energy
Create the Future: Water Desalination, Powered by Waves
Create the Future: Water Desalination, Powered by Waves
Inventor Olivier Ceberio found a new way to turn ocean waves into fresh water.
Create the Future: Water Desalination, Powered by Waves
INSIDER : Electronics & Computers
A Battery-Free Sensor for Underwater Exploration
A Battery-Free Sensor for Underwater Exploration

To investigate the vastly unexplored oceans covering most of our planet, researchers aim to build a submerged network of interconnected sensors that send data to the surface — an underwater...

A Battery-Free Sensor for Underwater Exploration
Briefs : Wearables
Thin Nylon Films for Transparent Electronic Devices
Thin Nylon Films for Transparent Electronic Devices

Very thin nylon films were created that can be used in electronic memory components. The films are several hundreds of times thinner than a human hair and could be used in bendable...

Thin Nylon Films for Transparent Electronic Devices
Question of the Week : Energy
Does Snow Have Power Potential?

A 2019 Tech Briefs story demonstrated a plastic-like, flexible nanongenerator that creates electricity from falling snow.

Briefs : Energy
Low-Cost Thermoelectric Material Works at Room Temperature

The widespread adoption of thermoelectric devices that can directly convert electricity into thermal energy for cooling and heating has been hindered, in part, by the lack of materials that are both inexpensive and highly efficient at room temperature. A new material was developed that...

Briefs : Communications
Compact Antenna Enables Communication Where Radios Fail
Compact Antenna Enables Communication Where Radios Fail

A pocket-sized antenna was developed that could enable mobile communication in situations where conventional radios don’t work such as underwater, through the ground, and over very...

Compact Antenna Enables Communication Where Radios Fail
Articles : Sensors/Data Acquisition
Energy Harvesting for Smart Home Sensing
Energy Harvesting for Smart Home Sensing
The key to acceptance and adoption of a "smart home" will be enhancing total ease of ownership.
Energy Harvesting for Smart Home Sensing
Blog : Energy
How to Generate Electricity — From Rust
How to Generate Electricity — From Rust

Scientists from Caltech and Northwestern University have found a way to generate electricity by combining saltwater with one of life's more undesirable compounds: rust.

How to Generate Electricity — From Rust
Briefs : Energy
Technique Identifies Electricity-Producing Bacteria
Technique Identifies Electricity-Producing Bacteria

Certain species of bacteria that exist in oxygen-deprived environments must find a way to breathe that doesn't involve oxygen. These microbes — which can be found deep within mines, at...

Technique Identifies Electricity-Producing Bacteria
Facility Focus : Nanotechnology
Facility Focus: National Energy Technology Laboratory
Facility Focus: National Energy Technology Laboratory

The National Energy Technology Laboratory (NETL) is a U.S. Department of Energy (DOE) national laboratory — with sites in Anchorage, AK; Albany, OR; Morgantown, WV; and Pittsburgh, PA...

Facility Focus: National Energy Technology Laboratory
Briefs : Sensors/Data Acquisition
Wearable Liquid Unit Harvests Energy
Wearable Liquid Unit Harvests Energy

Researchers have created wearable technology to convert mechanical energy into electrical energy. It presents a step toward the practical realization of self-powered, human-integrated technologies.

Wearable Liquid Unit Harvests Energy
Blog : Energy
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Our readers ask: How do you know that you have the right anode? How can you inspect the electrolyte or electrode material?
Answering Your Questions: What Are My Lithium-Ion Battery Inspection Options?
Briefs : Sensors/Data Acquisition
Automated Guided Wave System for In-Process Cure Monitoring of CFRP Composite Laminates
Automated Guided Wave System for In-Process Cure Monitoring of CFRP Composite Laminates

In the polymer composites industry, cure cycles are typically developed from trial-and-error or a more effective processing science approach to reduce...

Automated Guided Wave System for In-Process Cure Monitoring of CFRP Composite Laminates
Briefs : Electronics & Computers
Thin-Film System Converts Heat from Electronics into Energy
Thin-Film System Converts Heat from Electronics into Energy

Nearly 70 percent of the energy produced in the United States each year is wasted as heat. Much of that heat is less than 100 °C and emanates from things like computers, cars, or...

Thin-Film System Converts Heat from Electronics into Energy