Catalytic oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) have garnered great attention as the key character in metal-air batteries. Herein, we developed a superior nonprecious bifunctional oxygen electrocatalyst, fabricated through spatial confinement of Fe/Fe3C nanocrystals in pyridinic N and Fe-N-x rich carbon nanotubes (Fe/F...
Catalytic oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) have garnered great attention as the key character in metal-air batteries. Herein, we developed a superior nonprecious bifunctional oxygen electrocatalyst, fabricated through spatial confinement of Fe/Fe3C nanocrystals in pyridinic N and Fe-N-x rich carbon nanotubes (Fe/F...
Saccharification of sugarcane bagasse is one of the most important process for its conversion to high value biofuels and chemicals. In the present work, a sustainable hydrolysis method combined with catalytic pretreatment by magnetic carbon-based solid acid and subsequent enzymatic hydrolysis were applied for the enhanced reducing sugar (xylose and...
Saccharification of sugarcane bagasse is one of the most important process for its conversion to high value biofuels and chemicals. In the present work, a sustainable hydrolysis method combined with catalytic pretreatment by magnetic carbon-based solid acid and subsequent enzymatic hydrolysis were applied for the enhanced reducing sugar (xylose and...
Searching for high-efficiency nonprecious bifunctional electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is paramount for the advancement of water electrolysis technologies and the associated renewable energy devices. Modulation of electronic structure of an electrocatalyst via heterointerface engineeri...
Searching for high-efficiency nonprecious bifunctional electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is paramount for the advancement of water electrolysis technologies and the associated renewable energy devices. Modulation of electronic structure of an electrocatalyst via heterointerface engineeri...
Development of multiatom-doped carbon nanomaterials as effective electrocatalysts or supports for fuel cell reactions is of great significance due to their outstanding performance. However, the construction of the carbon nanomaterials with multiatom doping and the mechanism of interaction among doped elements remain grand challenging. Herein, we de...
Development of multiatom-doped carbon nanomaterials as effective electrocatalysts or supports for fuel cell reactions is of great significance due to their outstanding performance. However, the construction of the carbon nanomaterials with multiatom doping and the mechanism of interaction among doped elements remain grand challenging. Herein, we de...
The hydrogen evolution reaction (HER) is a critical process in the electrolysis of water. Recently, much effort has been dedicated to developing low-cost, highly efficient, and stable electrocatalysts. Transition metal phosphides are investigated intensively due to their high electronic conductivity and optimized absorption energy of intermediates ...
The phytochemical profiles and antioxidant capacities of 14 cowpea varieties (7 improved and 7 landraces) grown in Ethiopia were studied. The total phenolic, flavonoids, and monomeric anthocyanin contents (mg/100 g flour dry matter basis, db) ranged from 1210 to 1610 gallic acid equivalents, 250 to 1110 catechin equivalents and 3 to 7 cyanidin-3-gl...
