Zinc Oxide Whisker-Loaded Antibacterial 3D Printed Polylactic Acid Based Composite Bone Scaffolds with Enhanced Biological and Mechanical Performance

Composites Communications, Journal Year: 2025, Volume and Issue: unknown, P. 102398 - 102398

Published: April 1, 2025

Language: Английский

Highly Distorted High-Entropy Alloy Aerogels for High-Efficiency Hydrogen Oxidation Reaction

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: April 1, 2025

The development of efficient electrocatalysts for alkaline hydrogen oxidation reaction (HOR) is essential anion exchange membrane fuel cells and advancing the economy. Herein, we demonstrated PtRuRhPdIr high-entropy alloy aerogels (HEAAs) with highly distorted structure as HOR realized effective control PtRu-based metallic (MAs) elemental components ranging from two to seven. Specially, HEAAs on carbon (PtRuRhPdIr HEAAs/C) exhibit excellent activity, Pt group metal (PGM)-normalized mass activity (5.75 A mgPGM–1) at 50 mV current density normalized by electrochemical surface area (0.69 mA cm–2), approximately 16.9 4.1 times that commercial Pt/C (0.34 mgPGM–1, 0.17 respectively. mechanism study shows provide abundant unsaturated sites HOR, synergistic effect multiple-active balances adsorption H* *OH, boosting performance.

Language: Английский

In situ construction of a crystalline/amorphous interface in SnO₂/Bi nanobelts for efficient CO₂ electroreduction

Journal of Materials Chemistry A, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Crystalline/amorphous SnO 2 /Bi nanobelts (C/A-SnO NBs) were prepared via an in situ electrochemical dynamic reconstruction strategy for efficient CO electroreduction.

Language: Английский