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Predicting the slow death of lithium-ion batteries

In electric cars, the new technology could improve driving range estimates and prolong battery life

17-Sep-2020

Batteries fade as they age, slowly losing power and storage capacity. As in people, aging plays out differently from one battery to another, and it's next to impossible to measure or model all of the interacting mechanisms that contribute to decline. As a result, most of the systems used to ...

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Researchers design efficient low-cost system for producing power at night

Rooftop radiative cooling system could provide lighting power when solar energy is unavailable

18-Aug-2020

Researchers have designed an off-grid, low-cost modular energy source that can efficiently produce power at night. The system uses commercially available technology and could eventually help meet the need for nighttime lighting in urban areas or provide lighting in developing countries. Although ...

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Scientists home in on pairs of atoms that boost a catalyst's activity

They discovered that the messy environment of a chemical reaction can actually change the shape of a catalytic nanoparticle in a way that makes it more active

24-Jun-2020

Replacing the expensive metals that break down exhaust gases in catalytic converters with cheaper, more effective materials is a top priority for scientists, for both economic and environmental reasons. Catalysts are required to perform chemical reactions that would otherwise not happen, such as ...

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Machine learning could speed the arrival of ultra-fast-charging electric car

21-Feb-2020

Battery performance can make or break the electric vehicle experience, from driving range to charging time to the lifetime of the car. Now, artificial intelligence has made dreams like recharging an EV in the time it takes to stop at a gas station a more likely reality, and could help improve ...

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New route to carbon-neutral fuels from carbon dioxide discovered

18-Sep-2019

If the idea of flying on battery-powered commercial jets makes you nervous, you can relax a little. Researchers have discovered a practical starting point for converting carbon dioxide into sustainable liquid fuels, including fuels for heavier modes of transportation that may prove very difficult ...

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Tiny light detectors work like gecko ears

02-Nov-2018

Geckos and many other animals have heads that are too small to triangulate the location of noises the way we do, with widely spaced ears. Instead, they have a tiny tunnel through their heads that measures the way incoming sound waves bounce around to figure out which direction they came ...

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Efficient electrochemical cells for CO2 conversion

29-Oct-2018

Scientists at Stanford University have developed electrochemical cells that convert carbon monoxide (CO) derived from CO2 into commercially viable compounds more effectively and efficiently than existing technologies. Their research provides a new strategy for capturing CO2 and converting it into ...

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A new way of generating ultra-short bursts of light

08-Feb-2018

Although critical for varied applications, such as cutting and welding, surgery and transmitting bits through optical fiber, lasers have some limitations - namely, they only produce light in limited wavelength ranges. Now, researchers from the Ginzton Lab at Stanford University have modified ...

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A cooling system that works without electricity

07-Sep-2017

It looks like a regular roof, but the top of the Packard Electrical Engineering Building at Stanford University has been the setting of many milestones in the development of an innovative cooling technology that could someday be part of our everyday lives. Since 2013, Shanhui Fan, professor of ...

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Insect eyes inspire new solar cell design from Stanford

04-Sep-2017

Packing tiny solar cells together, like micro-lenses in the compound eye of an insect, could pave the way to a new generation of advanced photovoltaics, say Stanford University scientists. In a new study, the Stanford team used the insect-inspired design to protect a fragile photovoltaic material ...

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