Results 221 to 230 of about 6,299 (289)

Solubility Challenges and Strategies for Organic Sodium‐Ion Batteries: Status and Perspectives

open access: yesSmall, EarlyView.
Organic sodium‐ion batteries (OSIBs) have garnered interest due to their low cost, abundant resources, and sustainability. However, the solubility of organic materials in aprotic electrolytes results in electrode deterioration, active material loss, and poor cycling stability.
Ying Qi   +3 more
wiley   +1 more source

High‐Voltage Cathode Materials for Sodium‐Ion Batteries: Advances and Challenges

open access: yesSmall, EarlyView.
This review explores the role of high‐voltage cathode materials in enhancing the performance of SIBs. It focuses on strategies to improve energy density, rate capacity, and stability, addressing challenges like phase transitions, metal migration, and electrolyte degradation.
Congqi Ren, Yulian Dong, Yong Lei
wiley   +1 more source

Hydrogel Microneedle Array‐Based Transdermal Dressing System for Multiplexed Assessment and Intelligent Therapy of Chronic Wounds

open access: yesSmall, EarlyView.
This work develops a theranostic wound microneedle dressing integrates a therapeutic MXene‐infused hydrogel with a high‐conductive sensor array enabled by a novel laser‐scribing technique. The platform actively promotes wound healing and provides antibacterial action while continuously monitoring seven key biomarkers.
Md Sharifuzzaman   +6 more
wiley   +1 more source

Synthesis of Large‐Area 2D Prussian Blue as Ion‐Transport Channels for Non‐Volatile Memristors

open access: yesSmall, EarlyView.
A robust liquid‐liquid interfacial synthesis enables continuous, large‐area 2D Prussian blue films with tunable thickness from ∼2 nm to hundreds of nanometers. Controlled reduction guides slow, directional layer growth, yielding high‐quality flakes. These films show exceptional ion transport and device integration, demonstrated in memristors with long ...
Ramón Torres‐Cavanillas   +9 more
wiley   +1 more source

Nanomaterial‐Based Inkjet Printing for Electrochemical Sensing

open access: yesSmall, EarlyView.
Inkjet printing provides a digitally controlled, versatile, and highly reproducible method for fabricating and functionalizing sensing devices. This Perspective highlights how homogeneous, material‐efficient deposition enables precise patterning of functional inks and scalable integration of sensors for chemical and biological detection. The discussion
David Panáček   +7 more
wiley   +1 more source

Prussian Blue Analogues for Non‐Aqueous Sodium‐Ion and Potassium‐Ion Batteries: The Landscape From Lab‐Scale Optimizations Toward Practical Applications

open access: yesSmall, EarlyView.
Prussian blue analogues (PBAs) are scalable cathode materials for non‐aqueous sodium‐ (SIBs) and potassium‐ion batteries (PIBs). This review links crystal chemistry, defect control, and particle engineering with electrochemical performance, highlighting how synthesis, crystal water, and interfacial stability jointly determine practical energy density ...
Yingkangzi Mei   +2 more
wiley   +1 more source

Activatable smart contrast agents for photoacoustic imaging

open access: yesSmart Molecules, EarlyView.
This review highlights recent advances in smart activatable photoacoustic imaging (PAI) contrast agents, which dynamically modulate their optical properties in response to external stimuli or microenvironmental cues. It discusses their molecular design, activation mechanisms, biomedical applications, and future prospects for clinically tailored use ...
Donghyeon Oh   +5 more
wiley   +1 more source

Advances in Selenium‐Based Materials for Supercapacitors: Chemistry, Interaction Mechanisms, and Practical Applications

open access: yesSmall Structures, EarlyView.
Selenium‐based materials exhibit unique redox activity, tunable conductivity, and structural versatility, making them promising for advanced supercapacitor applications. Their integration with carbon, polymers, and transition metal compounds enhances electrochemical performance, stability, and energy density.
Murugan Madhubalan   +9 more
wiley   +1 more source

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