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'Anti-aging' chemistry taken from nature overcomes next-gen lithium battery decay

"So, we thought, why not just try to replicate what nature already does, and put it inside a battery instead?"

17-Nov-2021

For high-voltage lithium batteries using layered transition metal oxide cathodes, the chemical degradation of the battery's electrolytes results in rapid decay of its capacity, which poses substantial challenges to practical applications of this potential next generation of lithium ...

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Novel ion exchange membrane improves performance of vanadium redox flow batteries

Researchers have developed a hybrid membrane based on two-dimensional nanohybrid materials

15-Nov-2021

The vanadium redox flow battery (VRFB) is a promising sustainable energy storage system. In a VRFB cell, an ion exchange membrane (IEM) is used to prevent formation of a cathode/anode short circuit and avoid electrolyte crossover and side reactions, while allowing proton conduction to keep the ...

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Starch synthesis from carbon dioxide

The artificial route can produce starch from CO2 with an efficiency 8.5-fold higher than starch biosynthesis in maize

27-Sep-2021

Chinese scientists recently reported a de novo route for artificial starch synthesis from carbon dioxide (CO2) for the first time. Relevant results were published in Science on Sept. 24. The new route makes it possible to shift the mode of starch production from traditional agricultural planting ...

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High-performance electrocatalysts to propel development of direct ethanol fuel cells

09-Mar-2021

Researchers from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences and Nanjing Normal University recently reported a strategy for boosting the electrocatalytic performance of palladium (Pd) in ethanol oxidation reaction, the key anodic reaction of direct ethanol fuel ...

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Novel catalysts improve efficiency of urea synthesis at ambient conditions

02-Mar-2021

Converting both nitrogen (N2) and carbon dioxide (CO2) into value-added urea molecules via C-N coupling reaction is a promising method to solve the problem of excessive CO2 emissions. Compared with huge energy consumption industrial processes, the electrochemical urea synthesis provides an ...

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Scientists develop low-temperature resisting aqueous zinc-based batteries

03-Sep-2020

Aqueous zinc-based batteries (ZBBs) are widely used for portable and grid-scale applications due to their high safety, low cost and high energy density. However, the inhomogeneous zinc deposition on anode during charging and the zinc dendrite formation decrease the cycling stability of ZBBs. ...

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Manganese single-atom catalyst boosts performance of electrochemical CO2 Reduction

03-Sep-2020

Electrochemical CO2 reduction reaction (CO2RR) is a promising approach to convert CO2 into useful chemicals. A research team led by Prof. ZHANG Suojiang from the Institute of Process Engineering (IPE) of the Chinese Academy of Sciences prepared a manganese (Mn) single-atom catalyst (SAC) with ...

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Fluorine enables separation-free 'chiral chromatographic analysis'

New platform for rapid chiral analysis

07-Jul-2020

Researchers from the Shanghai Institute of Organic Chemistry of the Chinese Academy of Sciences recently developed a new platform for rapid chiral analysis, producing chromatogram-like output without the need for separation. The study was published in Cell Reports Physical Science. Molecules not ...

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Laser takes pictures of electrons in crystals

The experiments pave the way towards to deeply understand and eventually control the chemical and the electronic properties of materials

03-Jul-2020

Microscopes of visible light allow us to see tiny objects such living cells and their interior. Yet, they cannot discern how electrons are distributed among atoms in solids. Now researchers around Prof. Eleftherios Goulielmakis of the Extreme Photonics Labs at the University of Rostock and the ...

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Efficient indium oxide catalysts designed for CO2 hydrogenation to methanol

Promising way to directly convert CO2 into methanol for industrial applications

23-Jun-2020

Catalytic hydrogenation of carbon dioxide (CO2) is a green and sustainable means of synthesizing commodity chemicals such as methanol. This conversion process is key to realizing the "methanol economy" or creating "liquid sunshine", both aspects of the circular economy. Recent studies revealed ...

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