Energy Archives | The American Ceramic Society

Energy

Color-tunable gallium nitride LEDs may light the future

By April Gocha / May 24, 2019

By controlling the emission states of europium ions in doped gallium nitride, scientists found they can emit various colors of light from a single LED.

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Caffeine provides energy boost to humans and solar cells alike

By Lisa McDonald / May 7, 2019

Scientists at the University of California, Los Angeles, found that adding caffeine to perovskite solar cells stabilizes their power conversion efficiency, due to caffeine forming a “molecular lock” with lead ions in the solar cells.

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Direct-writing additive manufacturing of lead-free piezoelectric parts

By Jonathon Foreman / April 26, 2019

As additive manufacturing techniques become increasingly sophisticated, they offer a way to effectively construct specialized electronic devices. Two recent papers describe different direct-writing AM methods for constructing lead-free piezoelectric parts.

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Video: Transparent wood is not only see-through—it can store and release heat too!

By Lisa McDonald / April 10, 2019

By adding polyethylene glycol to delignified wood, researchers from the KTH Royal Institute of Technology created transparent wood that can store and release heat. They estimate this wood could be available for interior design purposes in as little as five years.

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Turning carbon dioxide into fuel: Improved nanocatalyst stability boosts artificial photosynthesis efficiency

By Lisa McDonald / February 26, 2019

Improved artificial photosynthesis methods would allow production of alternative fuels without burning fossil fuels. New research lays the foundation for designing ultrastable nanocatalysts for such methods.

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Video: From rooftop to reservoir—benefits of floatovoltaics

By Lisa McDonald / February 20, 2019

A new National Renewable Energy Laboratory study outlines benefits of floating photovoltaic systems over land-based solar panels, but it cautions more research is needed to understand all potential impacts.

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Video: Safe structural batteries with a cartilage-like design

By Lisa McDonald / February 13, 2019

For structural batteries to serve as both an energy source and a construction material, they must be light, strong, safe, and have high load-bearing capacity. New research suggests modeling the solid electrolyte after cartilage could fulfill all these requirements.

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Lower SOFC operation temperatures by smoothing grain boundaries

By Lisa McDonald / January 11, 2019

Solid oxide electrochemical cells offer a sustainable alternative to current fossil energy combustion technologies, if scientists can get them to operate well at lower temperatures. New research offers a step toward this goal.

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A simple way to dope titanium dioxide with nitrogen

By Lisa McDonald / December 14, 2018

Researchers found simple thermal annealing can effectively dope titanium dioxide with nitrogen. Findings like this one can help expand the use of TiO2 in solar energy conversion technologies.

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Video: Stretchy solar cells a step closer

By Lisa McDonald / November 14, 2018

Rice University researchers developed flexible, organic solar cells that could be useful where constant, low-power generation is sufficient.

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