Given their low cost and eco-friendliness, rechargeable Zn-ion batteries (ZIBs) have received increasing attention as a device with great potential for large-scale energy storage. However, the development of ZIBs high capacities long lifespans is challenging because dendritic growth Zn absence suitable cathode materials. Herein, we report novel aqueous battery (AZIB) that consist coated reduced graphene oxide anode V3O7·H2O/rGO composite cathode. The new AZIB exhibits excellent cycle...

Abstract Despite being a promising candidate for next‐generation photovoltaics, perovskite solar cells (PSCs) exhibit limited stability that hinders their practical application. In order to improve the humidity of PSCs, herein, series ionic liquids (ILs) “1‐alkyl‐4‐amino‐1,2,4‐triazolium” (termed as RATZ; R represents alkyl chain, and ATZ 4‐amino‐1,2,4‐triazolium) cations are designed used additives in methylammonium lead iodide (MAPbI 3 ) precursor solution, obtaining triazolium...

Owing to its ultrahigh specific capacity and low electrochemical potential, lithium (Li) metal is regarded as one of the most attractive anode materials for next-generation batteries. Nevertheless, commercialization Li-metal-based rechargeable batteries (LiMBs) has been retarded by uncontrollable growth Li dendrites, well resulting poor cycle stability safety hazards. In this work, a 3D graphene@Ni scaffold proposed accomplish dendrite-free deposition via structural interfacial synergistic...

Abstract Hierarchically porous carbon nanomaterials with well‐defined architecture can afford a promising platform for effectively addressing energy and environmental concerns. Herein, totally green straightforward synthesis strategy the fabrication of hierarchically nanotubes (HPCNTs) by simple carbonization treatment without any assistance soft/hard templates activation procedures is demonstrated. A high specific surface area 1419 m 2 g −1 hierarchical micro‐/meso‐/macroporosity be...

Silicon nanowires (SiNWs) have attracted great attention as promising anode materials for lithium ion batteries (LIBs) on account of their high capacity and improved cyclability compared with bulk silicon. The interface behavior, especially the solid electrolyte interphase (SEI), plays a significant role in performance stability electrodes. We report herein an situ single nanowire atomic force microscopy (AFM) method to investigate electrochemistry silicon (SiNW) electrode. morphology...

Abstract Potassium‐ion batteries (PIBs) have emerged as a compelling complement to existing lithium‐ion for large‐scale energy storage applications, due the resource‐abundance of potassium, low standard redox potential and high conductivity K + ‐based electrolytes. Rapid progress has been made in identifying suitable carbon anode materials address sluggish kinetics huge volume variation problems caused by large‐size . However, most research into focused on structural design performance...

By mildly oxidizing Cu foil and slowing down the gas flow rate, centimeter-sized single-crystalline graphene was grown on at atmospheric pressure.

High lithium salt concentration strategy has been recently reported to be an effective method enable various organic solvents as electrolyte of Li-ion batteries. Here, we utilize in situ atomic force microscopy (AFM) investigate the interfacial morphology on graphite electrode dimethyl sulfoxide (DMSO)-based concentrations. The significant differences features electrolytes different concentrations are revealed. In concentrated electrolyte, stable films form primarily at step edges and...

As a promising Li-metal battery, Li-S battery has an ultrahigh theoretical energy density of 2600 Wh kg-1. However, most the previous work mainly focused on tackling "polysulfide shuttle" originating from S cathode, while dendrite problem coming anode often been overlooked. Herein, to solve issues arising both cathode and simultaneously, we propose novel cell configuration for first time by inserting CNT films sides separator in batteries, which cathode-side film works as shield suppress...

With the rapid advances in digital imaging and communication technologies, recently image set classification has attracted significant attention been widely used many real-world scenarios. As an effective technology, class-specific representation theory-based methods have demonstrated their superior performances. However, this type of either only uses one gallery to measure gallery-to-probe distance or ignores inner connection between different metrics, leading learned metric lacking...

Au-decorated TiO2 hollow spheres (Au-THS) have been successfully synthesized via a facile one-pot solvothermal method. The Au-THS hybrid features unique structure with large specific surface area of 120 m2 g–1 and homogeneous decoration Au nanoparticles, giving rise to enhanced light harvesting charge generation/separation efficiency. When incorporated into the active layer dye-sensitized solar cells (DSSCs), an improved power conversion efficiency 7.3% is obtained, which increased by 37.7%...

Two-dimensional (2D) SnS2 materials represent a class of high-capacity candidates as anodes Li-ion batteries (LIBs); however, they are limited by inferior rate and cycling performance. Herein, we demonstrate unique triaxial nanocables conducting polypyrrole@SnS2@carbon nanofiber (PPy@SnS2@CNF) prepared via facile combination hydrothermal method vapor-phase polymerization. The PPy@SnS2@CNF manifests strong synergistic effect from its hierarchical nanoarchitecture, which provides enlarged...

A facile protocol is developed for the direct observation and characterization of a single particle electrode during lithium ion battery operation by using in situ AFM. The SEI formation on LiNi0.5Mn1.5O4 cathode surface found to be highly related exposed planes.

Depression is a multicausal disorder and has been associated with metabolism regulation immuno-inflammatory reaction. The anorectic molecule nesfatin-1 recently characterized as potential mood regulator, but its precise effect on depression the possible mechanisms remain unknown, especially when given peripherally. In present study, was intraperitoneally injected to rats depression-like behavior activity of hypothalamic-pituitary-adrenal (HPA) axis were evaluated. plasma concentrations...

Lithium metal is considered to be a holy grail of the battery anode chemistry due its large specific capacity. Nevertheless, uncontrollable formation lithium dendrites resulting from uneven nucleation/growth and associated safety risk short cyclability severely impede practical use anodes. Herein, we demonstrate highly lithiophilic cobalt nitride nanobrush on Ni foam (Co3N/NF) current collector as stable three-dimensional (3D) framework inhibit dendrite lithium. The 3D Co3N/NF electrode...

Abstract Aqueous Zn ion batteries promise high safety and sustainability for large‐scale energy storage but are severely impeded by catastrophic dendrite growth parasitic reactions of anode with irreversible loss. Constructing ultrafine zincophilic seeding sites in hosting interphases has emerged as a viable strategy reversible plating/stripping. Nevertheless, systematic unravelling downsized nucleation spatial distribution along manifesting active loss mechanism, remains scant yet...

Abstract The construction of a spatially defined assembly molecular building blocks, especially in the vertical direction, presents great challenge for surface engineering. Herein, we demonstrate that an electric field applied between STM tip and substrate triggered formation bilayer structure at solid–liquid interface. In contrast to typical high electric‐field strength (10 9 V m −1 ) used induce structural transitions supramolecular assemblies, mild 5 polar molecule on top nanoporous...