Energy

Video: A direct approach to creating AC batteries

By Lisa McDonald / March 4, 2020

Battery efficiency is hindered in part by the fact that battery current must be converted from direct to alternating for use in many devices. A University of Cambridge startup company, AC Biode, looks to remove that obstacle by creating batteries that use AC.

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From journals to a new Division, ACerS serves the energy community

By Lisa McDonald / February 26, 2020

ACerS officially announced the establishment of its new Energy Materials and Systems Division. In recognition of the new Division, check out some of the research published in ACerS journals beneficial to energy harvesting and storage systems.

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Cracking the case toward commercial solar—perovskite films easily healed with moderate compression or heat

By Lisa McDonald / February 18, 2020

Perovskite solar cells are expected to become a leading contender to silicon-based solar cells, or for use in tandem with them, once several challenges are overcome. Researchers at Brown University found cracks in perovskite films are easily healed by applying compression or moderate heat.

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Corroding confidence—water threatens stability of vitrified nuclear waste

By Lisa McDonald / February 14, 2020

Vitrification, an established solution for nuclear waste disposal, is considered stable once the waste is turned into glass. New research led by The Ohio State University shows this stability could be threatened if water contacts the metal canister containing the glass.

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Integrated energy management looks to graduate smart homes to the next level

By April Gocha / February 11, 2020

At the recent Consumer Electronics Show in early January 2020, new devices and solutions centered around smart home technologies—but will new solutions for energy management lead to the next evolution of smart homes?

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Understanding tungsten erosion in tokamak walls

By Lisa McDonald / January 17, 2020

Tokamaks, a leading candidate for practical fusion reactors, are moving from using carbon to using tungsten to protect a tokamak’s walls—but plasma instabilities can erode tungsten. Scientists look to understand the physical mechanisms driving this erosion.

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Video: Incandescent light bulbs—the fading stalwarts of U.S. lighting

By Lisa McDonald / January 15, 2020

Since 2007, more energy-efficient lighting has been replacing incandescent light bulbs in preparation of federal standards set to become effective this year. The Trump administration rejected these standards last month, but incandescent bulbs still are on their way out.

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Power over Ethernet: The wire(not)less future of smart buildings

By Lisa McDonald / November 22, 2019

Many companies tout wireless devices as key to the Internet of Things. In the case of smart buildings, though, Ethernet cables may be the best way to achieve IoT. Learn what Power over Ethernet (PoE) offers smart buildings and take a look at a new hotel that uses PoE.

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Good enough for a Nobel—lithium-ion batteries are the focus of this year’s Nobel Prize in Chemistry

By Lisa McDonald / October 11, 2019

On October 9, the Royal Swedish Academy of Sciences awarded the 2019 Nobel Prize in Chemistry to three scientists for their work to develop lithium-ion batteries. John Goodenough, a luminary in the field of solid-state physics, is one of this year’s winners—learn more about his history and current research.

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‘Unique and friendly’ 3rd Annual Energy Harvesting Society Meeting covered all aspects of energy harvesting research

By Andrea Ross / September 11, 2019

Over 100 scientists gathered Sept. 4–6, 2019, at the 3rd Annual Energy Harvesting Society Meeting. The meeting featured an all-female plenary lineup and three concurrent sessions covering all aspects of energy harvesting.

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