Your destination for advances in renewable energy, energy storage technologies, and trends in portable solar power, energy harvesting, wind power, and alternative energy. Design engineers will find the latest applications and multimedia resources including videos, white papers, webinars, and technical briefs.

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 : Energy
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.
News : Test & Measurement
Engineers Develop Concept for Hybrid Heavy-Duty Trucks
Engineers Develop Concept for Hybrid Heavy-Duty Trucks

Heavy-duty trucks, such as the 18-wheelers that transport many of the world's goods from farm or factory to market, are virtually all powered by diesel engines. They account for a...

Engineers Develop Concept for Hybrid Heavy-Duty Trucks
News : Electronics & Computers
Next-Generation, Low-Cost Stop Sign Improves Driver Safety
Next-Generation, Low-Cost Stop Sign Improves Driver Safety

It's dark on the back road as a motorist speeds toward the intersection. Up ahead, the stop sign blends with the night and in seconds a deadly crash occurs. According to the U.S....

Next-Generation, Low-Cost Stop Sign Improves Driver Safety
News : Electronics & Computers
Renewable Oils for Use in Lubricants Synthesized

Engine gears, plane thrusters, refrigerator compressors, wind turbines – the list of important industrial machinery, agricultural equipment, transportation vessels, and home applications that depend on lubricants might be endless. These slick substances quite literally keep the world turning,...

INSIDER : Nanotechnology
Flexible Generators Turn Movement into Energy
Flexible Generators Turn Movement into Energy

Wearable devices that harvest energy from movement are not a new idea, but a material created at Rice University may make them more practical.

Flexible Generators Turn Movement into Energy
INSIDER : Data Acquisition
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
Clean Fuel Cells Could Be Cheap Enough to Replace Gas Engines in Vehicles
Clean Fuel Cells Could Be Cheap Enough to Replace Gas Engines in Vehicles

Advancements in zero-emission fuel cells could make the technology cheap enough to replace traditional gasoline engines in vehicles, according to researchers at the...

Clean Fuel Cells Could Be Cheap Enough to Replace Gas Engines in Vehicles
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
Special Reports : Energy
Vehicle Electrification

Demand for electric vehicles is accelerating, with several major automakers announcing that their entire lineups will either be hybrid or all-electric by the 2020's. To help you keep pace with the rapid changes in vehicle electrification technology, we present this compendium of recent articles from the editors of...

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
Sensor Technology : Sensors/Data Acquisition
Diagnose Lithium Batteries
Diagnose Lithium Batteries

Batteries with metallic lithium anodes offer enhanced efficiency compared to conventional lithium-ion batteries because of their higher capacity. However, safety concerns and a short lifespan stand in the way. To...

Diagnose Lithium Batteries
Briefs : Energy
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...

Articles : Materials
Products of Tomorrow: June 2019
Products of Tomorrow: June 2019

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Products of Tomorrow: June 2019
Briefs : Materials
Graphene Coating Takes Oxygen Out of Lithium Battery Fires
Graphene Coating Takes Oxygen Out of Lithium Battery Fires

Lithium batteries allow electric vehicles to travel several hundred miles on one charge. Their capacity for energy storage is well known — so is their tendency to occasionally...

Graphene Coating Takes Oxygen Out of Lithium Battery Fires
Briefs : Electronics & Computers
Battery Electrolyte Doubles Driving Range for Electric Vehicles

Conventional electrolytes used in lithium-ion batteries that power household electronics like computers and cellphones are not suitable for lithium-metal batteries. Lithium-metal batteries that replace a graphite electrode with a lithium electrode are the holy grail of energy...

Briefs : Electronics & Computers
Generating Electrical Power from Waste Heat
Generating Electrical Power from Waste Heat

Directly converting electrical power to heat is easy; however, converting heat into electrical power is not as easy. To address this issue, a tiny silicon-based device was developed that can...

Generating Electrical Power from Waste Heat
Briefs : Manufacturing & Prototyping
Eliminating Corrosion Extends Life of Lightweight Batteries
Eliminating Corrosion Extends Life of Lightweight Batteries

Metal-air batteries are one of the lightest and most compact types of batteries but when not in use, they degrade quickly, as corrosion eats away at their metal electrodes. While...

Eliminating Corrosion Extends Life of Lightweight Batteries
Briefs : Energy
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...

Briefs : Manufacturing & Prototyping
Impact-Resistant Battery Electrolyte Solidifies When Hit
Impact-Resistant Battery Electrolyte Solidifies When Hit

Lithium-ion batteries commonly used in consumer electronics are notorious for bursting into flame when damaged or improperly packaged. Inspired by the unusual behavior of some liquids...

Impact-Resistant Battery Electrolyte Solidifies When Hit
Briefs : Mechanical & Fluid Systems
Rotary Electrical Contact
Rotary Electrical Contact

Researchers have developed a fundamentally new type of rotary electrical contact that addresses the two limitations of conventional brush/slip ring technology: 1) short operating lifetime due to sliding-contact...

Rotary Electrical Contact
Sensor Technology : Sensors/Data Acquisition
A Sensor that Fits Like a Glove
A Sensor that Fits Like a Glove

We recently had a discussion with Sri Peruvemba, VP of Strategy at BeBop Sensors (Berkeley, CA), about the technology and applications for their two-dimensional fabric sensor material. I started by asking Sri...

A Sensor that Fits Like a Glove
Briefs : Electronics & Computers
Double-Fed Induction Linear Alternator

This technology was developed to address the limitations of traditional, single-fed linear alternators that require permanent magnets, adhesive bonding organics, and heavy iron laminations for flux control. They experience eddy-current losses and require electromagnetic interference protection. Furthermore,...

Briefs : Packaging & Sterilization
Electroceutical Bandages Destroy Bacteria
Electroceutical Bandages Destroy Bacteria

Used since 2013, electroceutical bandages — which use electrical impulses to treat medical issues — kill bacteria around a wound, allowing wounds to heal faster. In addition, if infection is...

Electroceutical Bandages Destroy Bacteria
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
Blog : Motion Control
AUVSI XPONENTIAL 2019: Helicopter Drones
AUVSI XPONENTIAL 2019: Helicopter Drones
Three new unmanned helicopters were unveiled at AUVSI’s XPONENTIAL show in Chicago.
AUVSI XPONENTIAL 2019: Helicopter Drones
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.

5 Ws : Mechanical & Fluid Systems
5 Ws of Foldable Mechanical Devices
5 Ws of Foldable Mechanical Devices

Who

Manufacturers across medical, space, aviation, military, and automotive industries could use the technology to build complex machines that integrate with surfaces to be very compact, but can...

5 Ws of Foldable Mechanical Devices
Briefs : Materials
Material Could Make Plastic Manufacturing More Energy-Efficient
Material Could Make Plastic Manufacturing More Energy-Efficient

Anew material was developed that can extract the key ingredient in the most common form of plastic from a mixture of other chemicals while consuming far less energy than usual....

Material Could Make Plastic Manufacturing More Energy-Efficient