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Power Systems

Engineers at Rensselaer Polytechnic Institute developed a predictive model for such a device, which will allow researchers to better understand and optimize its functionalities. Courtesy: Rensselaer Polytechnic Institute (RPI)
Energy Management October 29, 2020

Predictive model reveals function of energy harvester device

An energy harvesting device that can transform subtle mechanical vibrations into electrical energy could be used to power wireless sensors and actuators.

By Torie Wells
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
Fabrication process, structures, and output signals of a fabric-based wearable energy harvester. Courtesy: KAIST/ISSSource
Energy Efficiency October 15, 2020

Energy harvester improves wearable electronics potential

An energy harvester has been developed that could make manufacturing embedded wearable electronics a viable reality.

By Gregory Hale
In early-fall 2020, College of Engineering student employees assembled Badger Seal mask fitters outside the Grainger Engineering Design Innovation Laboratory in Wendt Commons. Courtesy Renee Meiller, University of Wisconsin-Madison
PPE October 5, 2020

Top 5 Plant Engineering articles September 28 to October 4, 2020

Articles about mask filtration, global manufacturing, COVID-19 and digitalization, microgrid system design and hydrogen's growing importance were Plant Engineering’s five most clicked articles from September 28 to October 4, 2020. Miss something? You can catch up here.

By Chris Vavra
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