Chemistry - 28 News from the science department by Angewandte Chemie

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Chemistry - 28 News from the science department by Angewandte Chemie

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

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Efficient Biohybrid Batteries

Fast-Charging Hybrid Microbial Fuel Cell and CO2 Electrolyzer, Based on Formic Acid

02-Nov-2023 - Formic acid, which can be produced electrochemically from carbon dioxide, is a promising energy carrier. A Chinese research team have now developed a fast-charging hybrid battery system that combines the electrochemical generation of formic acid as an energy carrier with a microbial fuel cell. As ...

chemistry electrochemistry batteries
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Polystyrene Upcycling

Recovering Valuable Chemical Building Blocks from Polystyrene Waste

31-Jul-2023 - Polystyrene, the main material in plastic tableware and insulating materials, is a widely used polymer but is currently difficult to recycle. Reporting in the journal Angewandte Chemie, a team of US researchers have now developed a thermochemical approach, making it possible to recover valuable ...

chemistry thermochemistry basic chemicals
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Two Worlds, One Material

Polymers with a metal backbone

08-Feb-2023 - Until now, it has been clear: you can have a metal or a plastic, but not both in one. However, things don’t have to stay that way. In the journal Angewandte Chemie, a Chinese research team has now reported a polymer with a metallic backbone that is conductive, thermally stable, and has ...

chemistry material science calixarenes
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Crystals Generate Electricity from Heat

A synthetic sulfide mineral with thermoelectric properties

10-Nov-2022 - To convert heat into electricity, easily accessible materials from harmless raw materials open up new perspectives in the development of safe and inexpensive so-called thermoelectric materials. A synthetic copper mineral acquires a complex structure and microstructure through simple changes in ...

chemistry material science copper
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CO2 Catalysis Made More Accessible

An economical alloy-based aerogel as electrocatalyst for carbon fixation

03-May-2021 - Many industrial processes emit carbon dioxide into the atmosphere. Unfortunately, however, current electrochemical separation methods are expensive and consume large amounts of power. They also require expensive and rare metals as catalysts. A study in the journal Angewandte Chemie describes a ...

chemistry electrochemistry aerogels
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Anions Matter

Zinc-ion hybrid capacitors with ideal anions in the electrolyte show extra-long performance

18-Nov-2020 - Metal-ion hybrid capacitors combine the properties of capacitors and batteries. One electrode uses the capacitive mechanism, the other the battery-type redox processes. Scientists have now scrutinized the role of anions in the electrolyte. The results, which have been published in the journal ...

chemistry electrochemical cells electrochemistry
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Ultraheavy precision polymers

Controlled photoenzymatic RAFT polymerization of nonconjugated polymers

30-Oct-2020 - An environmentally friendly and sustainable synthesis of "heavyweight" polymers with very narrow molecular weight distributions is an important concept in modern polymer chemistry. Thanks to a new photoenzymatic process, Chinese researchers have been able to increase the range of possible ...

chemistry polymer chemistry molecular weight
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Electrochemical extraction of energy from seawater

Power generator autonomously switches between two functional modes

15-May-2019 - Underwater vehicles, diving robots, and detectors require their own energy supply to operate for long periods independent of ships. A new, inexpensive system for the direct electrochemical extraction of energy from seawater offers the advantage of also being able to handle short spikes in power ...

chemistry electrochemistry electricity
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A New Way to Atomically Thin Materials

Silicon secedes: titanium carbide flakes obtained by selective etching of titanium silicon carbide

06-Apr-2018 - Metallic conductivity and hydrophilicity of MXenes have established them as electrodes in rechargeable batteries and supercapacitors, as well as other applications, including photothermal cancer therapy, electromagnetic shielding, water purification and gas sensing. In the journal Angewandte ...

chemistry Material research material science
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Hidden chirality

Nitrogen-15 isotope can trigger asymmetric autocatalytic reactions toward chiral organic compounds

20-Oct-2016 - The preparation of chiral compounds as intermediates in drug synthesis is one of the most important targets in synthetic organic chemistry. Japanese scientists have now shown that the autocatalytic preparation of a chiral intermediate can be triggered by a compound bearing hidden chirality, which ...

chemistry synthetic chemistry autocatalysis
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