Energy

Renewable Energy

Browse key developments, news, and technical briefs for renewable energy sectors. Design engineers will discover insights to the advantages and integration of renewable power technologies.

Latest Briefs & News

Briefs : Energy
Device Creates Electricity from Snowfall
Device Creates Electricity from Snowfall
The nanogenerator also acts as a weather station.
Device Creates Electricity from Snowfall
Briefs : 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
Blog : Energy
'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
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 : Energy
Will Wave-Powered Desalination Catch On?

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

Briefs : Energy
Rose-Inspired Device Collects and Purifies Water
Rose-Inspired Device Collects and Purifies Water

A new device, inspired by a rose, inexpensively collects and purifies water. The device is a new approach to solar steaming for water production — a technique that uses energy from sunlight...

Rose-Inspired Device Collects and Purifies Water
Question of the Week : Power
Does Snow Have Power Potential?

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

Briefs : Electronics & Computers
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...

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 : Electronics & Computers
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 : Energy
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 : Energy
Fuel Cell Technology Runs on Solid Carbon
Fuel Cell Technology Runs on Solid Carbon

Whereas hydrogen fuel cells (e.g., proton exchange membrane (PEM) and other fuel cells) generate electricity from the chemical reaction between pure hydrogen and oxygen, direct carbon fuel cells...

Fuel Cell Technology Runs on Solid Carbon
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
News : Photonics/Optics
From LASER World of PHOTONICS 2019: Light as the Key to Global Sustainability
From LASER World of PHOTONICS 2019: Light as the Key to Global Sustainability
The increased use of photonics has the potential to reduce CO2 emissions — by 3-billion tons.
From LASER World of PHOTONICS 2019: Light as the Key to Global Sustainability
Blog : Mechanical & Fluid Systems
How to Produce More Clean Water? Resemble the Rose.
How to Produce More Clean Water? Resemble the Rose.
A new water purifier works better because it takes the shape of the rose.
How to Produce More Clean Water? Resemble the Rose.
INSIDER : Power
Release of Solar Panel Dataset Helps Cities Make Power Grids Safer and More Reliable
Release of Solar Panel Dataset Helps Cities Make Power Grids Safer and More Reliable

Solar power researchers have traditionally only used the power measurements from single residential solar photovoltaic (PV) systems to estimate the power...

Release of Solar Panel Dataset Helps Cities Make Power Grids Safer and More Reliable
INSIDER : Energy
Winter Could Pose Solar Farm ‘Ramping’ Problem for Power Grid
Winter Could Pose Solar Farm ‘Ramping’ Problem for Power Grid

By adding utility-scale solar farms throughout New York state, summer electricity demand from conventional sources could be reduced by up to 9.6% in some places. But Cornell...

Winter Could Pose Solar Farm ‘Ramping’ Problem for Power Grid
Briefs : Materials
Using Laser Metal Printing to Cool Computer Chips

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to be attached to the CPU or the graphics processor via a thermal interface material such as thermal paste. It...

Briefs : Energy
Wood-Based Technology Creates Electricity from Heat

Researchers have transformed a piece of wood into a flexible membrane that generates energy from the same type of electric current (ions) on which the human body runs. This energy is generated using charged channel walls and other unique properties of the wood’s natural nanostructures. With...

Briefs : Energy
One-Pot Bioconversion of Distiller’s Grains to Advanced Biofuels
One-Pot Bioconversion of Distiller’s Grains to Advanced Biofuels

Increase in bioethanol production throughout the US has led to an increase in the process coproduct — distiller’s grains with solubles (DGS). DGS can be used to feed...

One-Pot Bioconversion of Distiller’s Grains to Advanced Biofuels
Briefs : Materials
Self-Powered, Washable, Wearable Displays

Clothing usually is formed with textiles and has to be both wearable and washable for daily use; however, smart clothing has had a problem with its power sources and moisture permeability, which causes the devices to malfunction. To solve this problem, a textile-based, wearable display module technology...

Blog : Electronics & Computers
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
An Ohio State researcher shares with Tech Briefs the promise of potassium-oxygen batteries.
A Better Battery Offers ‘All-Renewable’ Promise for the Power Grid
Briefs : Energy
Measurement Method for Radioactive Methane

Anew method for measuring radioactive methane is an optical one based on spectroscopy. Previously, radioactive methane has been measured with accelerator mass spectrometry involving expensive machines. Optical measuring could be a cheaper and more agile method.

Blog : Energy
High-Speed Jet Mixer Efficiently Turns Algae into Fuel
High-Speed Jet Mixer Efficiently Turns Algae into Fuel
A new technology may lead to a more mainstream use of algal biofuels.
High-Speed Jet Mixer Efficiently Turns Algae into Fuel