Results 181 to 190 of about 10,194 (274)

Rational Design of Multifunctional Nano–Architected Coatings for Bipolar Plates in Proton Exchange Membrane Fuel Cells

open access: yesRare Metals, EarlyView.
ABSTRACT Proton exchange membrane fuel cells (PEMFCs) require advanced bipolar plate coatings to enhance efficiency, durability, and commercialization potential. This review presents a systematic framework for evaluating and designing bipolar plate coatings, integrating material selection, performance metrics, deposition techniques, and future ...
Shijie Li   +12 more
wiley   +1 more source

Excellent Comprehensive Electromechanical Properties in PZT‐Based Hard High‐Temperature Piezoceramics

open access: yesRare Metals, EarlyView.
ABSTRACT High‐power piezoelectric ceramics which have a wide operating temperature range are essential for sensor and actuator applications in extreme conditions. However, their development is fundamentally hindered by the inherent trade‐off among key parameters (TC, d33, Qm).
Rui Yan   +10 more
wiley   +1 more source

MXene‐Based Flexible Memory and Neuromorphic Devices

open access: yesSmall, EarlyView.
The unique two‐dimensional structure, excellent electrical conductivity, and diverse surface groups of MXenes have garnered significant attention. Coupled with their exceptional flexibility, MXene‐based devices hold immense potential for flexible memory and neuromorphic systems. This review comprehensively discusses the fundamentals of flexible devices,
Yan Li   +13 more
wiley   +1 more source

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

Opportunities for 2D‐Material‐Based Multifunctional Devices and Systems in Bioinspired Neural Networks

open access: yesSmall, EarlyView.
Bio‐inspired computing offers a route to highly energy‐efficient artificial intelligence. The unique physical properties of two‐dimensional (2D) materials can further enhance such computing approaches. This perspective highlights recent developments in 2D materials‐based neuromorphic devices and discusses future opportunities for integrating such novel
Jin Feng Leong   +9 more
wiley   +1 more source

Triboelectric Capacitance Supplementation in Energy Storage Composites with Functionalized Carbon Fiber Electrodes

open access: yesSmall, EarlyView.
Triboelectric contact electrification evaluation between structural supercapacitor layers using surface‐functionalized carbon fiber electrodes. Electrospun nanofiber separators can aid in capacitance augmentation by leveraging the contact electrification effect of dissimilar materials.
Žan Simon   +11 more
wiley   +1 more source

3D Printed Flexible Piezoelectric Sensors for Integrated Hybrid Electronics

open access: yesSmall, EarlyView.
A comprehensive 3D printing strategy can fabricate high performance piezoelectric transducers on various substrates for wearable and flexible electronics applications. Demonstrations include human‐machine interfaces, tactile electronic skin, and a multifunctional system integrating piezoelectric sensors with quantum dot light‐emitting diodes.
Daniel Wai Hou Ng   +8 more
wiley   +1 more source

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