Catalyst deposition on fragile chips
Electrocatalysts can help to obtain chemicals from renewable raw materials or to use alternative energy sources. But testing new catalysts brings challenges.
Electrocatalysts can help to obtain chemicals from renewable raw materials or to use alternative energy sources. But testing new catalysts brings challenges.
Nanophysics
Feb 14, 2020
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6
Lithium batteries power smart phones, laptops, and electric bicycles and cars by storing energy in a very small space. This compact design is usually achieved by winding the thin sandwich of battery electrodes into a cylindrical ...
Analytical Chemistry
Feb 7, 2020
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235
Bubbles are known to influence energy and mass transfer in gas-evolving electrodes. Many electrochemical reactions produce gas that can lead to bubbles forming at the reaction site. Those bubbles can reduce the efficiency ...
Analytical Chemistry
Feb 4, 2020
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6
New research by engineers at MIT and elsewhere could lead to batteries that can pack more power per pound and last longer, based on the long-sought goal of using pure lithium metal as one of the battery's two electrodes, ...
Materials Science
Feb 3, 2020
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879
It takes a lot of energy to collect, clean and dispose of contaminated water. Some contaminants, like arsenic, occur in low concentrations, calling for even more energy-intensive selective removal processes.
Polymers
Jan 21, 2020
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320
Lithium ion batteries often grow needle-like structures between electrodes that can short out the batteries and sometimes cause fires. Now, an international team of researchers has found a way to grow and observe these structures ...
Nanomaterials
Jan 9, 2020
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387
With the launch of wearable devices and smartphones that require a high capacity of electricity such as foldable phones and 5G phones, the interest in batteries is increasing and various battery types are under development. ...
Materials Science
Dec 11, 2019
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7
Laboratory experiments and a parabolic flight campaign have enabled an international team of researchers from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) to gain new insights into water electrolysis, in which hydrogen ...
Materials Science
Dec 9, 2019
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14
Rechargeable lithium-ion (Li-ion) batteries are a revolutionary technology, found in everything from cellphones to cars. Their ubiquity and role in breaking dependence on fossil fuels earned a trio of researchers this year's ...
Materials Science
Dec 5, 2019
1
167
Our use of battery-operated devices and appliances has been increasing steadily, bringing with it the need for safe, efficient, and high-performing power sources. To this end, a type of electrical energy storage device called ...
Materials Science
Dec 3, 2019
6
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