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111 Current news about the topic electrochemistry
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A new type of battery that can charge ten times faster than a lithium-ion battery created
Moreover, it is safer in terms of potential fire hazards and has a lower environmental impact
08-Apr-2021
It is difficult to imagine our daily life without lithium-ion batteries. They dominate the small format battery market for portable electronic devices, and are also commonly used in electric vehicles. At the same time, lithium-ion batteries have a number of serious issues, including: a potential ...
New class of substances for redox reactions
Pyrazinacenes can be reversibly oxidized and reduced
17-Mar-2021
An interdisciplinary, multinational research team presents a new class of chemical compounds that can be reversibly oxidized and reduced. The compounds known as 'pyrazinacenes' are simple, stable compounds that consist of a series of connected nitrogen-containing carbon rings. They are suitable ...
Predicting the Performance of Catalysts
Award for Electrochemist
15-Mar-2021
Green electricity should be available as soon as possible, at best from all power outlets: electrochemical processes are the basis for a sustainable energy, but they need new, high-performance catalyst materials. Theoretical calculations help to avoid dead ends and to focus on the most promising ...
Quickly identify high-performance multi-element catalysts
Complex solid solution electrocatalyst discovery by computational prediction and high‐throughput experimentation
18-Feb-2021
Finding the best material composition among thousands of possibilities is like looking for a needle in a haystack. An international team is combining computer simulations and high-throughput experiments to do this. Catalysts consisting of at least five chemical elements could be the key to ...
Producing hydrogen from water
Researchers take key step toward cleaner, more sustainable production of hydrogen
12-Jan-2021
Efficiently mass-producing hydrogen from water is closer to becoming a reality thanks to Oregon State University College of Engineering researchers and collaborators at Cornell University and the Argonne National Laboratory. The scientists used advanced experimental tools to forge a clearer ...
Innovative Battery Chemistry Revolutionises Zinc-Air Battery
International Research Cooperation for Sustainable Batteries of the Future
05-Jan-2021
High-performance, eco-friendly, safe and at the same time cost-effective: the zinc-air battery is an attractive energy storage technology of the future. Until now, the conventional zinc-air battery has struggled with a high chemical instability, parasitic reactions which rooted in the usage of ...
Stable Catalysts for New Energy
Crucial new technologies such as hydrogen production or carbon capture require new catalysts. Experiments show: It's not just the material that matters, but also its atomic surface structure
26-Nov-2020
On the way to a CO2-neutral economy, we need to perfect a whole range of technologies - including the electrochemical extraction of hydrogen from water, fuel cells, or carbon capture. All these technologies have one thing in common: they only work if suitable catalysts are used. For many years, ...
Green hydrogen: buoyancy-driven convection in the electrolyte
For the first time investigated, how the liquid electrolyte throughout the cell behaves during electrolysis
23-Nov-2020
Hydrogen produced by using solar energy could contribute to a climate neutral energy system of the future. But there are hurdles on the way from laboratory scale to large-scale implementation. A team at HZB has now presented a method to visualise convection in the electrolyte and to reliably ...
When human and machine agree
A human research team and a machine learning algorithm have found that we need to rethink much of what we know about iridium oxide
14-Oct-2020
Iridium oxide is an excellent catalyst for electrochemical reactions, and is typically used for the production of energy carriers such as hydrogen from water. Now it turns out that research on iridium oxide carried out so far has been based on a wrong basic assumption: The arrangement of the ...
New study reveals first fundamental insights into ion transport mechanisms
Results may contribute to the future development of more efficient battery types
08-Oct-2020
Ionic conductors transport electric current. One simple application of this process is the common battery which uses a salt bridge to connect two electrolyte solutions. Conductors are also used in other forms of electrochemical energy storage for example when ions pass from one electrode to ...
