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69 Current news about the topic electrochemistry

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Electrochemically-produced ammonia could revolutionize food production

11-Jul-2018

Steven McIntosh wants to transform the way ammonia is produced. He hopes to create a viable alternative to the conventional method, which uses massive amounts of energy and emits harmful carbon dioxide. He's exploring a sustainable electrochemical method to efficiently drive the chemical reaction ...

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New world record for direct solar water-splitting efficiency

06-Jul-2018

Hydrogen will play a central role as a storage medium in sustainable energy systems. An international team of researchers has now succeeded in raising the efficiency of producing hydrogen from direct solar water-splitting to a record 19 per cent. They did so by combining a tandem solar cell of ...

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Synthesis of opium alkaloids using electric current

A selective electrochemical reaction offers a solution to a long-standing synthetic challenge

02-Jul-2018

Researchers at Johannes Gutenberg University Mainz (JGU) have mastered a nearly 50-year-old challenge of electrosynthetic chemistry, namely the electrochemical synthesis of thebaine. The chemists had set themselves this difficult task within the framework of a collaboration with the University of ...

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More than just spectators: Influence of ions on atomic motions investigated

03-May-2018

In batteries, fuel cells or technical coatings, central chemical processes take place on the surface of electrodes which are in contact with liquids. During these processes, atoms move over the surface, but how this exactly happens has hardly been researched. Physicists at Kiel University want to ...

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Robust and inexpensive catalysts for hydrogen production

12-Apr-2018

Hydrogen gas is considered a possible future source of energy and can be produced from water using platinum catalysts and electricity. However, alternative catalysts made of cheaper and more readily available materials with equally high efficiency are barely known. Electrodes without precious ...

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AkzoNobel joins partnership to explore opportunities for green hydrogen and 'electrofuels' in Sweden

22-Mar-2018

AkzoNobel Specialty Chemicals is partnering with three groups in Sweden to explore the opportunities for producing green hydrogen and 'electrofuels' using renewable electricity. The partners are RISE Research Institutes of Sweden (RISE), forestry group Södra and packaging materials company ...

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Coupling experiments to theory to build a better battery

22-Jan-2018

Lithium-sulfur batteries are promising candidates for replacing common lithium-ion batteries in electric vehicles since they are cheaper, weigh less, and can store nearly double the energy for the same mass. However, lithium-sulfur batteries become unstable over time, and their electrodes ...

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New catalyst for hydrogen production is a step toward clean fuel

18-Jan-2018

A nanostructured composite material developed at UC Santa Cruz has shown impressive performance as a catalyst for the electrochemical splitting of water to produce hydrogen. An efficient, low-cost catalyst is essential for realizing the promise of hydrogen as a clean, environmentally friendly ...

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Novel MOF shell-derived surface modification of Li-rich layered oxide cathode

03-Jan-2018

Rapid development of portable electronics and electric vehicles requires lithium-ion batteries (LIBs) to have high energy/power density, low cost, good safety and long lifespan. In a commercial LIB, the traditional cathode and anode materials are LiCoO2 and graphite, respectively. Compared with ...

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Breakthrough in electrochemical production of hydrogen peroxide

Evonik invests in Danish hydrogen peroxide start-up

22-Dec-2017

Evonik has invested in the startup HPNow ApS through its venture capital unit and now holds a minority stake in the company, which is headquartered in Copenhagen (Denmark). HPNow has developed a technology for producing hydrogen peroxide (H2O2) in a fully automatic system using water, air, and an ...

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