Breaking down lignin into smaller units is the key to generate high value-added products. Nevertheless, dissolving this complex plant polyphenol in an environment-friendly way is often a challenge. Levulinic acid, which is formed during the hydrothermal processing of lignocellulosic biomass, has been shown to efficiently dissolve lignin. Herein, we...
10h
DFT calculations were utilized to elucidate the water oxidation mechanism catalyzed by polyanionic tetramanganese complex a [Mn III 3 Mn IV O 3 (CH 3 COO) 3 (A-α-SiW 9 O 34 )] 6 - . Theoretical results indicate that catalytic active species 1 (Mn 4 III,III,IV,IV ) is formed after O 2 formation in the first turnover. From ...
1d
CO2 separation: Dynamic gas adsorption makes it possible to study the adsorption of gas mixtures and analyze the separation of gases under conditions close to application. With this method, polyacrylonitrile-based carbon nanofibers are assessed as adsorbent for carbon capture. Unlike other carbon materials, they exhibit an excellent CO2/N2 selectivity...
1d
Co-MOF it: An efficient metal-oriented cathodic electrodeposition method is developed for coating Co-MOF on carbon fiber cloth (CFC), which is realized by using a highly active Co metal surface modifier that enables nucleation and growth of Co-MOF in 3D rodlike crystal bundles. As a binder-free electrode for supercapacitors, Co-MOF/CFC shows high areal...
1d
Two paths diverged: Alcohol and aldehyde oxidation on NiOOH is achieved through two mechanisms. One involves chemical hydrogen atom transfer to Ni3+ sites while the other involves electrochemical hydride transfer to Ni4+ sites. It is examined how these pathways impact the oxidation of HMF and its oxidative intermediates, which functional group of HMF...
1d
Breaking down lignin into smaller units is the key to generate high value-added products. Nevertheless, dissolving this complex plant polyphenol in an environment-friendly way is often a challenge. Levulinic acid, which is formed during the hydrothermal processing of lignocellulosic biomass, has been shown to efficiently dissolve lignin. Herein, we...
1d
Not too radical: Low-cost and highly effective W-doped TiO2 photocatalysts are prepared to achieve the photocatalytic oxidation of methane with O2 under mild conditions. The increased separation of photogenerated carriers promotes the photocatalytic activity. The upshifted band structure prohibits the over-generation of hydroxyl radicals (⋅OH) to decrease...
1d
One stone, two birds: A comprehensive study is based on the sodium-pre-intercalated V2O5/carbon composite constructed using sustainable sodium lignosulfonate as the carbon and sodium source. This strategy enhances the cycling stability of V2O5 cathodes. Abstract The aqueous zinc-ion battery (AZIB) has been widely investigated in recent years because...
1d
CO2 reduction: Charge modulation of atomically thin perovskite structure containing sulfur dopants promotes photocatalytic carbon dioxide reduction. Experimental results and theoretical calculations reveal the enhanced light absorption ability of the catalyst, elevated conduction band, prolonged lifetime of charge carriers, lower electron transfer resistance,...
1d
Side chain engineering has been proved to show profound impact on polymer properties and blend morphology. Herein, the critical role of siloxane-terminated alkoxy side chains was revealed by a tiny decorating method that the molar content of siloxane-terminated alkoxy side chain was fixed to 5% and its alkyl linker was the only tuning factor. The sequent...
1d
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