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Water Transport
In article number 2107150, Wei Fan, Yingying Zhang, and co‐workers produce a 3D orthogonal woven fabric with superior unidirectional water transport capacity and mechanical properties via 3D weaving technology and plasma treatment. It provides thermal and moisture comfort for the human body with excellent water transport performance. It is therefore an ideal choice for outdoor sports...
Fish‐Wearable Data Snooping Platform
In article number 2107232, Xiangyu Chen and co‐workers report a fish‐wearable data snooping platform (FDSP) based on an air sac triboelectric nanogenerator, which is integrated with multiple functions of disinfection, mechanical energy harvesting, real‐time monitoring and wireless data transmission. The FDSP offers an alternative for studying fish kinematics and...
Polymeric semiconductors are crucial candidates for the construction of next‐generation flexible and printable electronic devices. By virtue of the successful preparation of monodispersed colloidal solution in orthogonal solvent, poly(3‐hexylthiophene) (P3HT) nanofibers are developed into versatile building blocks for nanoelectronics and their compatibilities are verified with photolithographic lift‐off...
The assembly of molecules into hierarchical superstructures is ubiquitous in the construction of novel geometrically complex hierarchical superstructures, attracting great attention. Herein, a metal–ligand cross‐linking strategy is developed for the fabrication of ferric ion–dopamine coordination hierarchical superstructures. A range of superstructures with highly complex morphologies, such as flower‐like,...
Nonprecious group metal (NPGM)‐based single atom catalysts (SACs) hold a great potential in electrocatalysis and dopant engineering has been extensively exploited to boost their catalytic activity, while the coordination environment of dopant, which also significantly affects the electronic structure of SACs, and consequently their electrocatalytic performance, have been largely ignored. Here, by...
Metal–gas batteries draw a lot of attention due to their superiorities in high energy density and stable performance. However, the sluggish electrochemical reactions and associated side reactions in metal–gas batteries require suitable catalysts, which possess high catalytic activity and selectivity. Although precious metal catalysts show a higher catalytic activity, high cost of the precious metal...
Aqueous Zn‐ion batteries (ZIBs) have emerged as a promising energy supply for next‐generation wearable electronics, yet they are still impeded by the notorious growth of zinc dendrite and uncontrollable side reaction. While the rational design of electrolyte composition or separator decoration can effectively restrain zinc dendrite growth, synchronously regulating the interfacial electrochemical performance...
A joint theoretical and experimental study is reported to systematically explore over a library of transition metal‐silicon intermetallics for understanding silicon‐controlled active site motifs and discovering hydrogen‐evolving electrocatalysts. On the one hand, every low‐index surface termination of 115 transition metal (M)‐silicon (Si) intermetallics is enumerated, followed by cataloging of stable...
Lithium–oxygen batteries (LOBs) with ultra‐high theoretical energy density (≈3500 Wh kg−1) are considered as the most promising energy storage systems. However, the sluggish kinetics during the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) can induce large voltage hysteresis, inferior roundtrip efficiency and unsatisfactory cyclic stability. Herein, hydrangea‐like NiO@Ni2P heterogeneous...
Nature creates fascinating self‐organized spatiotemporal patterns through the delicate control of reaction‐diffusion dynamics. As the primary unit of cortical bone, osteon has concentric lamellar architecture, which plays a crucial role in the mechanical and physiological functions of bone. However, it remains a great challenge to fabricate the osteon‐like structure in a natural self‐organization...
Wearable thermoelectric generators have great potential to be utilized as the power supply for wearable electronics. However, the limited temperature difference across the thermoelectric generators significantly degrades the output performance, which is anticipated to be improved by enhancing the thermal radiation at the cold side without extra energy consumption. In this paper, the impact of thermal...
Solid oxide‐ion conductors are crucial for enabling clean and efficient energy devices such as solid oxide fuel cells. Hexagonal perovskite‐related oxides have been placed at the forefront of high‐performance oxide‐ion conductors, with Ba7Nb4−xMo1+xO20+x/2 (x = 0−0.1) being an archetypal example. Herein, high oxide‐ion conductivity and stability under reducing conditions in Ba7Ta3.7Mo1.3O20.15 are...
The dynamic process of formation of protein assemblies is essential to form highly ordered structures in biological systems. Advances in structural and synthetic biology have led to the construction of artificial protein assemblies. However, development of design strategies exploiting the anisotropic shape of building blocks of protein assemblies has not yet been achieved. Here, the 2D assembly pattern...
Wool Keratin Gel‐Electrolyte
In article number 2107163, Lei Zhang, Jingshu Hui, Yuanlong Shao, and co‐workers develop a wool keratin derived hybrid biogel electrolyte to regulate the interfacial Zn‐ion migration in aqueous Zn‐ion battery. Thanks to the merits of keratin triggered Zn‐ion transport promotion, a durable wearable quasi‐solid‐state Zn‐ion battery is developed with depressed dendrite formation...
In this report, a novel fabrication method, based on casting Field's metal inside dielectric molds made via fused deposition modeling, is presented. Fused deposition modeling (FDM) has become one of the most common rapid prototyping methods. Whilst it generally produces good quality mechanical structures in thermoplastics, few reliable methods have been demonstrated that produce good quality 3D electrically...
Monolayer transition metal dichalcogenides have attracted great attention for potential applications in valleytronics. However, the valley polarization degree is usually not high because of the intervalley scattering. Here, a largely enhanced valley polarization up to 80% in monolayer WS2 under nonresonant excitation at 4.2 K is demonstrated using WS2/LaMnO3 thin film heterostructure, which is much...
The facile and cost‐effective fabrication of hybrid nanostructures comprised of hollow mixed metallic chalcogenides has attracted growing interest in the development of high‐performance energy storage devices. Herein, multi‐component (nickel‐cobalt‐copper‐sulfides/selenides (NCCS/NCCSe)) hollow nanocubes (HNCs) are prepared via a single‐step sulfurization/selenization process. The NCCS material shows...
Liquid crystal (LC) emulsions represent a class of confined soft matter that exhibit exotic internal organizations and size‐dependent properties, including responses to chemical and physical stimuli. Past studies have explored micrometer‐scale LC emulsion droplets but little is known about LC ordering within submicrometer‐sized droplets. This paper reports experiments and simulations that unmask the...
Water electrolysis affords a promising approach to large‐scale hydrogen yield, but its efficiency is restrained by the sluggish water dissociation kinetics. Here, an efficient bifunctional electrocatalyst of in situ formed crystalline nickel metaphosphate on amorphous NiMoOx nanoarrays supported on nickel foam (c‐Ni2P4O12/a‐NiMoOx/NF) for both hydrogen evolution reaction (HER) and oxygen evolution...
Rechargeable aqueous zinc‐ion batteries (ZIBs) are promising in stationary grid energy storage due to their advantages in safety and cost‐effectiveness, and the search for competent cathode materials is one core task in the development of ZIBs. Herein, the authors design a 2D heterostructure combining amorphous vanadium pentoxide and electrochemically produced graphene oxide (EGO) using a fast and...
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