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Power Systems

Courtesy: Canadian Gas Association (CGA)
Energy Management September 25, 2020

Bridging the gap between electrical infrastructure and renewables

While renewable energy sources like wind and solar photovoltaics may be the future of a low carbon electric grid, they there is a need for reliable and resilient dispatchable generation along with energy storage

By Gas Technology
Cold neutrons uncover atomic dynamics that give thermoelectric materials low-heat conductivity. Shown is the evolution of atomic lattice oscillation waves upon heating the tin sulfide crystal, as measured with neutron scattering. Courtesy: Duke University
Energy, Power September 23, 2020

Atomic dynamics help turn heat into electricity

An atomic mechanism that makes some thermoelectric materials efficient near high-temperature phase transition could help unlock better options for technologies reliant on transforming heat into electricity.

By Ken Kingery
The electron microscope image shows the air (darkest gray) sandwiched between the gold backing at the bottom and the semiconductor at the top, supported on gold beams. Credit: Dejiu Fan, Optoelectronic Components and Materials Group, University of Michigan
Energy, Power September 23, 2020

Mirror-like photovoltaics get more electricity out of heat

Heat-harnessing solar cells that reflect 99% of the energy they can’t convert to electricity could help bring down the price of storing renewable energy as heat and improve overall energy efficiency.

By Kate McAlpine
Courtesy: CFE Media and Technology
Arc Flash September 22, 2020

Your questions answered: Arc flash mitigation

Reducing arc flash to electrical personnel is an evolutionary process. Learn more in this Q&A

By Zia Salami and Tracy Wagoner
Researchers have developed new electrode designs for lithium-ion (li-ion) batteries that use graphene-coated nanoparticles to optimize battery performance. Courtesy: Northwestern University
Energy, Power August 19, 2020

How nanomaterials are improving battery design

Graphene coating enables new electrode designs with potential for electric vehicles

By Mark Heiden
Courtesy: University of Arkansas
Electrical August 10, 2020

Electrically-injected laser developed

An electrically-injected laser made with germanium tin has been developed and is used as a semiconducting material for circuits on electronic devices.

By Matt McGowan
Courtesy: Electrical Reliability Services Inc.
Maintenance August 5, 2020

How to improve electrical maintenance with predictive tests

How to use these four predictive tests to improve your electrical maintenance plan

By Leif Hoegberg
At left, a copper current collector with a laser-induced silicon oxide coating created at Rice University. At right, a scanning electron microscope image of the coating created by lasing adhesive tape on the copper collector. Courtesy: Tour Group/Rice University
Energy, Power July 15, 2020

Adhesive tape improves lithium batteries’ performance, lifespan

Rice University researchers turned adhesive tape into a silicon oxide film improve lithium metal technology and make them last longer.

By Mike Williams
Research involving Oak Ridge National Laboratory’s Spallation Neutron Source demonstrates crystal-like heat conduction in a solid-liquid hybrid, AgCrSe2. Courtesy: Jill Hemman/Oak Ridge National Laboratory, U.S. Dept. of Energy
Energy, Power June 30, 2020

Spectrometry research advances could lead to safer rechargeable batteries

Researchers have found a way to advance safer rechargeable batteries with spectrometry. Their findings could improve batteries used for consumer electronics such as laptops and cellphones.

By Oak Ridge National Laboratory
Hot electrons travel along the molecule into the probe tip. The molecule only allows electrons within a narrow range of energies to pass. Credit: Enrique Shagun, Scixel
Energy Efficiency June 25, 2020

Electron energy distribution measured for improved storage, conversion

Researchers at the University of Michigan, Purdue University, and the University of Liverpool in the UK have figured out a way to measure how many hot charge carrier are present in a metal nanostructure for improved energy storage and conversion.

By Kate McAlpine