213 News from the science department by Angewandte Chemie

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213 News from the science department by Angewandte Chemie

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

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Recycling batteries with citric acid

Highly efficient recycling process for NCM lithium-ion batteries

19-Nov-2024 - A simple, highly efficient, inexpensive, and environmentally friendly process could provide a viable pathway for the sustainable recycling of depleted lithium-ion batteries (LIBs): No chemicals beyond citric acid need to be added to leach out and separate over 99 % of the lithium, nickel, cobalt, ...

battery recycling citric acid cobalt
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Carbon recycling instead of plastic trash

Iron electrocatalysis breaks down polystyrene and delivers green hydrogen

14-Nov-2024 - Plastics are inescapable in our daily lives. The vast amounts of plastic garbage heaped in landfills and in the environment, however, are as problematic as the plastics are useful. In the journal Angewandte Chemie, a German research team has now introduced a new method for recycling polystyrene ...

Benzaldehyde benzoic acid circular economy
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Interstellar Methane as Progenitor of Amino Acids?

Gamma radiation converts methane into glycine and other complex molecules

08-Nov-2024 - Gamma radiation can convert methane into a wide variety of products at room temperature, including hydrocarbons, oxygen-containing molecules, and amino acids, reports a research team in the journal Angewandte Chemie. This type of reaction probably plays an important role in the formation of ...

chemical reactions gamma radiation gamma rays
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Adhesive Comes Unglued on Command

Oxidation triggers debonding of mussel-inspired adhesive

23-Sep-2024 - Modern integrated microelectronic devices are often poorly repairable and difficult to recycle. Debondable adhesives play a key role in the transition to a circular economy with sustainable resources, less waste, and intelligent repair/recycling strategies. In the journal Angewandte Chemie, a ...

adhesives electrochemical oxidation Oxidation
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More Electricity from the Sun

Surface modification for more effective textured perovskite/silicon tandem solar cells

02-Aug-2024 - A coating of solar cells with special organic molecules could pave the way for a new generation of solar panels. As a research team reports in the journal Angewandte Chemie, this coating can increase the efficiency of monolithic tandem cells made of silicon and perovskite while lowering their ...

perovskite silicon solar cells
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Strengthener for Graphene

Cross-linking graphene nanolayers with rotaxanes

19-Jun-2024 - Layers of carbon atoms in a honeycomb array are a true supermaterial: their unusually high conductivity and favorable mechanical properties could further the development of bendable electronics, new batteries, and innovative composite materials for aeronautics and space flight. However, the ...

foils graphene rotaxanes
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Building-Kit Catalyst

Metal-free organic framework for electrocatalytic production of ethylene from carbon dioxide

24-May-2024 - Use of the greenhouse gas CO2 as a chemical raw material would not only reduce emissions, but also the consumption of fossil feedstocks. A novel metal-free organic framework could make it possible to electrocatalytically produce ethylene, a primary chemical raw material, from CO2. As a team has ...

carbon dioxide covalent organic frameworks electrocatalysis
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More Economical and Sustainable Rechargeable Batteries

Ultralow-concentration electrolyte for lithium-ion batteries

23-Apr-2024 - Lithium salts make batteries powerful but expensive. An ultralow-concentration electrolyte based on the lithium salt LiDFOB may be a more economical and more sustainable alternative. Cells using these electrolytes and conventional electrodes have been demonstrated to have high performance, as ...

batteries battery recycling electrolytes
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Plastic Recycling with a Protein Anchor

Peptide with a cobalt complex oxidizes polystyrene microparticles

22-Feb-2024 - Polystyrene is a widespread plastic that is essentially not recyclable when mixed with other materials and is not biodegradable. In the journal Angewandte Chemie, a German research team has introduced a biohybrid catalyst that oxidizes polystyrene microparticles to facilitate their subsequent ...

catalysts cobalt plastics
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Reversible Adhesive

Recycling of Water-Based Adhesive Achieved by Changing pH

15-Nov-2023 - A research team has developed a reversible, water-based glue that has good adhesion in the neutral pH range, but can be detached again in strongly acidic or alkaline environments. As the team writes in the journal Angewandte Chemie, the novel adhesive system, which is based on electrostatic ...

acrylic acid adhesives butyl acrylate
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