Results 211 to 220 of about 6,038,987 (369)

High‐Entropy Doped KTiOPO4‐Type Vanadium‐Based Fluorophosphate Cathodes for High‐Energy Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work presents a high‐entropy doped NaV0.95 (Fe, Mn, Ni, Al, Ca)0.05PO4F cathode, which enables the whole utilization of Na ions, enhances the reaction kinetics without carbon coating, and realizes a solid‐solution reaction mechanism with a single‐crystal structure.
Yingkai Hua   +10 more
wiley   +1 more source

Hydroxylated Ionic Liquids as Functional Additives for Stable Aqueous Zn Batteries

open access: yesAdvanced Functional Materials, EarlyView.
A hydroxyl‐functionalized ionic liquid additive (HO‐EMImTfO) regulates Zn2+ solvation and electrodeposition by forming a stable ion‐diversion dam at the Zn interface. This design mitigates Zn pulverization, suppresses dendrite growth, and reduces side reactions, enabling Zn||Cu and Zn||V2O5 cells to achieve exceptional cycling stability and efficiency.
Qiang Yan   +6 more
wiley   +1 more source

Dual Optical Hyperbolicity of PdCoO2 and PdCrO2 Delafossite Single Crystals

open access: yesAdvanced Functional Materials, EarlyView.
In this work, the hyperbolic response of PdCoO₂ and PdCrO₂ delafossites is investigated for the first time. They exhibit dual hyperbolic regimes, one localized around a phonon absorption in the mid‐infrared spectral region, and the other extending into the visible range.
Salvatore Macis   +14 more
wiley   +1 more source

Design and Applications of Multi‐Frequency Programmable Metamaterials for Adaptive Stealth

open access: yesAdvanced Functional Materials, EarlyView.
This article provides a comprehensive overview of metamaterials, including their fundamental principles, properties, synthesis techniques, and applications in stealth, as well as their challenges and future prospects. It covers topics that are more advanced than those typically discussed in existing review articles, while still being closely connected ...
Jonathan Tersur Orasugh   +4 more
wiley   +1 more source

Amorphous High Entropy Alloy Nanosheets Enabling Robust Li–S Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Amorphous ultrathin FeCoNiMoW high entropy alloy nanosheets are incorporated into the polypropylene separator of lithium‐sulfur batteries, enhancing their capacity, rate performance, and cycling stability. Abstract High‐entropy alloys (HEAs) show great potential for catalyzing complex multi‐step reactions, but optimizing their parameters, i.e ...
Ren He   +20 more
wiley   +1 more source

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