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Microwave Absorption
In article number 2105411, Xiaolong Jia and co‐workers construct a 1D@2D@1D hierarchical structure integrated with multi‐heterointerfaces to boost the microwave absorption efficiency of materials. This design has greatly reduced the threat of electromagnetic pollution caused by the explosive development of communication technology.
Recently, Li‐ion capacitors (LICs) have drawn tremendous attention due to their high energy/power density along with long cycle life. Nevertheless, the slow kinetics and stability of the involved anodes as bottleneck barriers always result in the modest properties of devices. The exploration of advanced anodes with both high ionic and electronic conductivities as well as structural stability thus...
The efficacy of immune checkpoint inhibition in inducing death of cancer cells is affected by the immunosuppressive “cold” tumor microenvironment, which results in a poor response by the patient's antitumor immune system. However, the immunomodulatory effects of immunogenic cell death in response to irritation by heat energy and reactive oxygen species (ROS) can switch the tumor microenvironment from...
In response to the call for safer energy storage systems, rechargeable aqueous manganese‐based zinc‐ion (Zn‐ion) batteries using mild electrolyte have attracted extensive attention. However, the charge‐storage mechanism and structure change of manganese‐based cathode remain controversial topics. Herein, a systematic study to understand the electrochemical behavior and charge storage mechanism based...
Carbonized Polymer Dots
In article number 2106863, Yeqing Chen, Ping Liang, Jun Lin, and co‐workers synthesize transition metal Mn ions doped in the form of covalent Mn–O bonds. The Mn–O bridge accelerates the electron flow between adjacent sp2 domains and enhances the electron transport in the Mn–carbonized polymer dots, thus improving the photoluminescence quantum yield and catalytic performance...
Energy Devices
In article number 2107514, Yaping Zeng, Zhiyong Wang, Baihua Qu, and co‐workers use heterostructure engineering to boost the fast sodium ion transportation, combined with embedding the heterojunctions into the nitrogen‐doped porous carbon fibers (CNFs), the obtained Sb‐Fe‐S@CNFs composite delivers a desirable reversible capacity and exhibits an ultra‐long high rate cycle life for 16...
Designing a synthesis of ultra‐small Ni‐based nanomaterials with high intrinsic activity and stability in alkaline hydrogen evolution reaction (HER) is a major challenge. Herein, a series of noble metal doped ultra‐small size (4 nm) M‐Ni/NiO nanoparticles supported on CNT are rationally designed by a solvent‐free microwave reduction method that is fast (60 s), simple, includes no surfactants, extensive...
Amorphous MoS3 has been an attractive electrode material for sodium−ion batteries and lithium−sulfur batteries. However, the potassium storage capability of amorphous MoS3 remains unreported. Herein, the construction of hybrid hierarchical microspheres composed of amorphous MoS3 nanosheets dual‐confined with TiO2 core, and nitrogen‐doped carbon shell layer (denoted as TiO2@A‐MoS3@NC) via a self‐templating...
Extracellular Vesicles
Extracellular vesicles (EVs) combined with multifunctional nanomaterials have rapidly emerged as promising platforms for various biomedical applications. In article number 2104783, Heemin Kang, Ki‐Bum Lee, and co‐workers describe several key challenges and possible nanotechnology‐enabled EV applications, such as next‐generation EV‐based disease diagnosis, drug delivery, tissue...
Metallic zinc is regarded as an ideal anode material for high‐energy aqueous zinc ion batteries owing to its high theoretical capacity, low cost, and abundant resource. However, the undesirable dendrite formation and side reactions occurring on Zn anode during the long‐term cycling process seriously restrict the electrochemical performance of the device. Herein, 1‐hydroxy ethylidene‐1,1‐diphosphonic...
Electronic textiles (e‐textiles) that combine the wearing comfort of textiles and the functionality of soft electronics are highly demanded in wearable applications. However, fabricating robust high‐performance stretchable e‐textiles with good abrasion resistance and high‐resolution aesthetic patterns for high‐throughput manufacturing and practical applications remains challenging. Herein, the authors...
All‐inorganic lead halide perovskite (CsPbX3, X = Cl, Br, I, or their mixture) nanocrystals (NCs) have achieved inspiring advancements in optoelectronic fields but still suffer from poor durability when exposed to environmental stimuli such as water, irradiation and heat. Herein, a strategy of employing pyrophosphate as the inert shell for CsPbX3 NCs is reported. The strong binding between pyrophosphate...
(Sub)micrometer‐scaled identification (ID) taggants enable direct identification of arbitrary goods, thereby opening up application fields based on the possibility of tracking, tracing, and anti‐counterfeiting. Due to their small dimensions, these taggants can equip in principle even the smallest subcomponents or raw materials with information. To achieve the demanded applicability, the mostly used...
Due to the growing energy and safety demands, rechargeable all‐solid‐state Li+ batteries using metallic Li anode and ceramic‐based electrolytes have attracted extensive attentions. However, the inherent safety problem of Li metal anode, the ceramic‐electrode low Li+ conductivity, and the high electrolyte/electrode solid–solid interfacial impedance slow the development of high‐performance all‐solid‐state...
Developing highly efficient bifunctional catalysts for the oxygen reduction and oxygen evolution reaction (ORR/OER) can open possibilities for future zinc air batteries (ZABs). Herein, cost‐effective and highly conductive few‐layer ferric and nickel chloride co‐intercalated graphite intercalation compounds (FeCl3‐NiCl2‐GIC) are designed as bifunctional oxygen catalysts for ZAB. The optimized few‐layer...
Neural stem cells (NSCs) therapy is promising for treating neurodegenerative disorders and neural injuries. However, the limited in vitro expansion, spontaneous differentiation, and decrease in stemness obstruct the acquisition of high quantities of NSCs, restricting the clinical application of cell‐based therapies and tissue engineering. This article reports a facile method of promoting NSCs expansion...
Heterointerface engineering with multiple electroactive and inactive supporting components is considered an efficient approach to enhance electrochemical performance for sodium‐ion batteries (SIBs). Nevertheless, it is still a challenge to rationally design heterointerface engineering and understand the synergistic effect reaction mechanisms. In this paper, the two‐phase heterointerface engineering...
It is highly desired but still remains challenging to design a primary explosive‐based nanoparticle‐encapsulated conductive skeleton for the development of powerful yet safe energetic films employed in miniaturized explosive systems. Herein, a proof‐of‐concept electrochemical preparation of metal–organic frameworks (MOFs) derived porous carbon embedding copper‐based azide (Cu(N3)2 or CuN3, CA) nanoparticles...
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