Algae-powered computing: Scientists create reliable and renewable biological photovoltaic cell

23-May-2022

Researchers have used a widespread species of blue-green algae to power a microprocessor continuously for a year - and counting - using nothing but ambient light and water. Their system has potential as a reliable and renewable way to power small devices. The system, comparable in size to an AA ...

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“This study really sheds light on how we can design and manufacture battery electrodes to obtain a long cycle life for batteries”

03-May-2022

It doesn’t come on fast. It may take weeks to notice. You have the newly recharged lithium-ion AA batteries in the wireless kitty water fountain, and they last two days. They once lasted a week or more. Another round of charging, and they last one day. Soon, nothing. You would be forgiven if you ...

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Discovery brings replacing hydrogen as a fuel cell feedstock one step closer

20-Apr-2022

Turmeric, a spice found in most kitchens, has an extract that could lead to safer, more efficient fuel cells. Researchers at theClemson Nanomaterials Institute (CNI)and their collaborators from theSri Sathya Sai Institute of Higher Learning (SSSIHL)in India discovered a novel way to combine ...

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Solar-to-chemical energy conversion using photoelectrochemical (PEC) technology is a promising route to achieve carbon neutralization

14-Apr-2022

The development and application of solar energy has attained extensive attention along with the aggravating global energy crisis due to its large resource reserves, wide distribution and environment friendly. Photoelectrocatalysis (PEC) has been regarded as a promising approach to transform solar ...

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"The heat efficiently reduces structural defects, trap states, grain boundaries, and phase impurities"

07-Apr-2022

Producing low-cost metal-oxide thin films with high electronic quality for solar water splitting is not an easy task. Especially since quality improvements of the upper metal oxide thin films need thermal processing at high temperatures, which would melt the underlying glass substrate. Now, a ...

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An electrode made from inexpensive earth-abundant metals bubbles with potential for green fuel production

14-Mar-2022

A metal foam could underpin a low-cost method for generating carbon-free fuels, researchers from KAUST have shown. The team seamlessly coated the foam with iron and cobalt nanomaterials to create a highly active electrode for a device that splits water molecules to release oxygen and hydrogen, a ...

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A simple methodology for the synthesis of novel β-SiC nanoparticle-based anode materials for lithium-ion batteries

01-Mar-2022

Lithium-ion batteries (LIBs), known for their longevity, excellent charge storage characteristics, high energy density, and high operating voltage, have become the cornerstone of portable electronics, electronic vehicles, and the alternate energy economy. Manipulating the electrode material of ...

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Analysis points the way to more durable iridium electrodes

23-Dec-2021

Green hydrogen is expected to play a central role in the energy industry of the future: Among other things, it can replace oil and gas as energy carriers and also enable emission-free production of steel and cement. For an efficient hydrogen economy, however, the production of the ...

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Developing high-performance MXene electrodes for next-generation powerful battery

23-Nov-2021

Two-dimensional MXene has been a rising star in the energy world as theycan store energy fast. But their unstable voltage output limits their applications. A collaborative research team led by scientists from City University of Hong Kong (CityU) has recently developed battery-like ...

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New dry-coating process

03-Sep-2021

Conventional processes for manufacturing battery electrodes involve mostly toxic solvents and require a lot of space and energy. This is not the case with DRYtraec® – a new dry-coating process developed by the Fraunhofer Institute for Material and Beam Technology IWS. The technology is ...

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