Energy, Power

Researchers led by Shengxi Huang, assistant professor of electrical engineering and biomedical engineering at Penn State, have altered 2D materials to enhance light emission and increase signal strength. Courtesy: Penn State University
Electrical October 29, 2020

Tailoring 2D materials to improve electronic and optical devices

Altering thin 2D materials atomically and physically for applications in many optical and electronic devices allows them to enhance light emission and increase signal strength.

By Sarah Small
Courtesy: Siemens Industry
Educational October 22, 2020

Developing a great sequence of operations: Additional answers

Applications, repairs and risk reduction, failure modes, retrofits, documentation and project scope are among additional information provided for developing a critical power sequence of operation. Take related training with a quiz for one continuing education unit (CEU).

By Zach Goldsworthy
Iowa State's Jonathan Claussen is studying how plant-based inks can be used to print low-cost, biodegradable and recyclable sensors that can, for example, detect nitrate and ammonium. Larger illustration. Courtesy: Jonathan Claussen, Iowa State University
Energy, Power October 20, 2020

Manufacturing biobased electronics for sensors, batteries

Researchers are studying how plant-based inks can be used to print low-cost, biodegradable and recyclable sensors.

By Mike Krapfl
Courtesy: Schneider Electric
Energy Management October 19, 2020

Your questions answered: Improve industrial facility energy management: a process-based approach

Presenters from the Oct. 13, 2020 webcast “Improve industrial facility energy management: a process-based approach” addressed questions not covered during the live event.

By Ram Kaushik
Courtesy: Massachusetts Institute of Technology (MIT)
Energy, Power October 8, 2020

Using diamond as a metallic conductor

Normally an insulator, diamond becomes a metallic conductor when subjected to large strain in a theoretical model, which could improve solar cells, quantum sensors, optical devices and more.

By David L. Chandler
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
Courtesy: Incremotion Associates
Business of Engineering September 16, 2020

Advanced motor and generator designer, Daniel B. Jones, dies 

Dan Jones, Incremotion Associates, dies at 84 after more than 60 years in the motion control industry, with decades of service to associations and involvement in more than 100 motor designs, including one for a NASA mission to Mars.

By Mark T. Hoske
Courtesy: Charlotte Evans, Natelson Research Group/Rice University
Electrical September 11, 2020

Electricity generated by temperature differences

Electricity generated by temperature differences doesn’t appear to be affected measurably by grain boundaries placed in its way in nanoscale gold wires.

By Mike Williams