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52 Current news about the topic water splitting

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Decoding the way catalysts work

Good catalytic performance is driven chiefly by processes that occur on the surface of the catalyst – and not electrochemical processes

20-Nov-2020

Splitting water into hydrogen and oxygen is an important chemical reaction, especially considering that the use of hydrogen as an energy source in sustainable mobility in the future. An international research team has now decoded how one of the catalysts used in this reaction works. Hydrogen is a ...

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Solar hydrogen: Let’s consider the stability of photoelectrodes

How the stability of photoelectrodes and catalysts can be compared and enhanced in the future

28-Oct-2020

As part of an international collaboration, a team at the HZB has examined the corrosion processes of high-quality BiVO4 photoelectrodes using different state-of-the-art characterisation methods. The result is the first operando stability study of high-purity BiVO4 photoanodes during the ...

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New electrode materials for the oxidation of water

It’s all about good cooperation

12-Oct-2020

By splitting water electrochemically, green hydrogen can be produced, which can be used as fuel, energy storage and for chemical reactions. This way, we can decrease our dependence on fossil resources and reduce greenhouse gas emissions. However, the electrolysis of water consumes a lot of ...

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Splitting water molecules for a renewable energy future

New technique to reassemble, revivify, and reuse a catalyst

09-Sep-2020

The future economy based on renewable and sustainable energy sources might utilize battery-powered cars, large-scale solar and wind farms, and energy reserves stored in batteries and chemical fuels. Although there are examples of sustainable energy sources in use already, scientific and ...

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Catalyzing a green future

Highly modular metal-organic framework-based materials show great potential for photocatalytic hydrogen production

24-Jun-2020

A metal organic framework (MOF)-based water splitting photocatalyst, developed at KAUST, has brought researchers a step closer to generating clean hydrogen fuel using sunlight. "Using solar energy to efficiently make green fuels is the ultimate goal for many catalysis researchers," says Jorge ...

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Showtime for photosynthesis

One of nature's most important chemical reactions is now being captured in a breakthrough 'molecular movie'

08-Jun-2020

Using a unique combination of nanoscale imaging and chemical analysis, an international team of researchers has revealed a key step in the molecular mechanism behind the water splitting reaction of photosynthesis, a finding that could help inform the design of renewable energy technology. "Life ...

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Energy of the future: photosynthetic hydrogen from bacteria

How cyanobacteria can be transformed into hydrogen factories

06-May-2020

The transition from fossil fuels to a renewable energy supply is one of the most important global challenges of the 21st century. In order to achieve the internationally-agreed target of limiting global warming to a maximum of 1.5 degrees, the international community must drastically reduce ...

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Visible light-photocatalytic water-splitting for hydrogenation of aryl chlorides

Sustainable H-donors instead of flammable hydrogen gas

29-Apr-2020

Activation of inert C-Cl bonds has attracted significant interest due to the inherent fundamental challenge. Conventional dechlorination generally use flammable hydrogen gas (H2), metal hydrides, or organic donors (amines, alcohols, and Hantzsch ester) as hydrogenation reagents. Despite high ...

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Water splitting observed on the nanometer scale

New method provides fundamental insights into electrocatalytic water splitting under operating conditions

06-Mar-2020

Whether as a fuel or in energy storage: hydrogen is being traded as the energy carrier of the future. To date, existing methodologies have not been able to elucidate how exactly the electrochemical process of water splitting into hydrogen and oxygen takes place at the molecular scale on a ...

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Research provides new design principle for water-splitting catalysts

20-Dec-2019

Scientists have long known that platinum is by far the best catalyst for splitting water molecules to produce hydrogen gas. A new study by Brown University researchers shows why platinum works so well -- and it's not the reason that's been assumed. The research, published in ACS Catalysis, helps ...

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