232 News by Royal Society of Chemistry

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232 News by Royal Society of Chemistry

Tip: You can further refine your news selection by topics, departments, countries and industries.

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Researchers overview recent progress and challenges in silicon-based anode materials for lithium-ion batteries

16-Feb-2024 - Research in recent years displays that several chemical modifications (binders, composite materials, and electrolytes) provide superior stability and enhance electrochemical performance in Si-based anodes in lithium-ion batteries(LIBs). Thus far, several different chemical interactions on ...

anode materials batteries lithium-ion batteries

Using bacteria to make electrodes

05-Dec-2013 - Scientists in France have produced hematite using a bacterial pathway for use as an electrode material in Li-ion technologies. Currently, most commercial electrode materials for Li-ion technologies are prepared using the ceramic method, which requires long heating periods at high temperatures ...

bacteria conductivity electrodes

Marine plant replacement for platinum in solar cells

05-Dec-2013 - An international research team has shown that that the power conversion efficiency of sea tangle extract is comparable to platinum in solar cell electrodes. Dye-sensitized solar cells (DSCs) are quickly becoming a widespread and affordable alternative to photovoltaic solar cells. The electrode ...

dyes iodine platinum

A jelly-based fuel cell

05-Dec-2013 - An international team of researchers has used gelatin as their starting material to make a fuel cell catalyst. The team used gelatin to make doped-carbon electrocatalysts that could be a potential replacement for platinum in fuel cells. To make the catalyst, they mixed iron and magnesium into ...

carbon fuel cells hydrochloric acid

Moving the MRI goalposts

28-Nov-2013 - Scientists in the UK have developed a new class of MRI (magnetic resonance imaging) agents that promise to deliver clearer images more quickly. Chemical shifts from proton NMR normally fall between 0-12ppm, but water and fat resonate at 4.7 and 1.3ppm respectively, causing noise that can overlap ...

chemical shift lanthanide complexes magnetic resonance imaging

Making hydrogen a metal mimic

28-Nov-2013 - Scientists have tricked hydrogen into structurally behaving like a metal for the first time, and proven elemental equivalence. With a single ‘s’ electron, hydrogen is chemically analogous to the group 1 alkali metals in the periodic table, but it typically exhibits pronounced structural ...

catalysis hydrogen ligands

Big data reveals clues for energy technology

28-Nov-2013 - The largest quantum chemical investigation to date has revealed chemical structures with promising properties for advanced solar cells. Scientists at Harvard University in the United States performed 150 million theoretical calculations to reveal results that could cut down the time and cost of ...

building blocks silicon solar cells

A better understanding of ‘hole hopping’ in solar cells

28-Nov-2013 - A team of scientists from the UK, Spain and Switzerland say a method they have developed for probing electron transfer reactions could help them design more efficient solar cells. The research team, led by Piers Barnes of Imperial College London, has pioneered a technique that measures the ...

dyes solar cells voltammetry

Harvesting solar energy with man-made leaves

06-Nov-2013 - Scientists in Japan have developed a two-step artificial photosynthetic process that mimic’s nature’s efficient method for harvesting energy from sunlight by using a system of a large number of artificial leaves, as plants do. The researchers used a large number of light absorbers to relay ...

photocatalysts rhenium ruthenium

Improving solar cell efficiency by optical design

06-Nov-2013 - Scientists in the United States have designed a Cu2ZnSn(S, Se)4 (CZTSSe) solar cell with the greatest efficiency to date using an optical-design approach. The researchers describe a new optical architecture for CZTSSe photovoltaic devices that improves the record power-conversion efficiency for ...

metals
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