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Energy

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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.

Briefs: Wearables

Researchers have created highly stretchable supercapacitors for powering wearable electronics that consist of crumpled carbon nanotube (CNT) forests. The supercapacitors demonstrated solid performance...

Briefs: Energy

Techniques to prevent frost and ice formation on surfaces rely heavily on heating or on liquid chemicals that need to be repeatedly reapplied because they easily wash away. Even advanced...

Briefs: Electronics & Computers

There's an entire world our eyes miss, hidden in the ranges of light wavelengths that human eyes can't see. But infrared cameras can pick up this light emitted as...

Blog: Green Design & Manufacturing
The increased use of photonics has the potential to reduce CO2 emissions — by 3-billion tons.
Blog: Energy
A new water purifier works better because it takes the shape of the rose.
News: Test & Measurement

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...

News: Energy

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....

News: Sensors/Data Acquisition
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: Power

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

INSIDER: Energy

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

INSIDER: Transportation

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

INSIDER: Power

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...

Briefs: Mechanical & Fluid Systems
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

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...

Briefs: Electronics & Computers

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...

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: Sensors/Data Acquisition

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...

Briefs: Transportation

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...

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: Propulsion

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...

Briefs: Materials

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...

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: Electronics & Computers

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...

Briefs: Motion Control

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...

Articles: Nanotechnology

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...

Briefs: Propulsion
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: Materials

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...

Blog: Green Design & Manufacturing
An Ohio State researcher shares with Tech Briefs the promise of potassium-oxygen batteries.
Blog: Energy
Three new unmanned helicopters were unveiled at AUVSI’s XPONENTIAL show in Chicago.

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