Zinc metal anodes show great promise for cheap and safe energy storage devices. However, it remains challenging to regulate highly efficient Zn plating/stripping under a high depth of discharge (DOD). Guided by density functional theory calculation, we here synthesized an oxygen- nitrogen-codoped carbon superstructure as host high-DOD through rational monomer selection, polymer self-assembly, structure-preserved carbonization. With microscale 3D hierarchical structures, microcrystalline...

Abstract Rechargeable zinc‐based batteries are finding their niche in energy storage applications where cost, safety, scalability matter, yet they plagued by rapid performance degradation due to the lack of suitable electrolytes stabilize Zn anode. Herein, we report a competitive coordination structure form unique quaternary hydrated eutectic electrolyte with ligand‐cation‐anion cluster. Unraveled experiment and calculation results, competing component can enter initial primary shell 2+ ion,...

Abstract Direct recycling has been regarded as one of the most promising approaches to dealing with increasing amount spent lithium‐ion batteries (LIBs). However, current direct method remains insufficient regenerate outdated cathodes meet industry needs it only aims at recovering structure and composition degraded cathodes. Herein, a nickel (Ni) manganese (Mn) co‐doping strategy adopted enhance LiCoO 2 (LCO) cathode for next‐generation high‐performance LIBs through conventional hydrothermal...

In the lithium-dominated era, rechargeable Zn batteries are emerging as a competitive alternative. However, sluggish kinetics of ion diffusion and structural destruction cathode materials have thus far hampered realization future large-scale energy storage. Herein, an in situ self-transformation approach is reported to electrochemically boost activity high-temperature, argon-treated VO2 (AVO) microsphere for effective The presynthesized AVO with hierarchical structure high crystallinity...

Abstract Designing next‐generation alternative energy storage devices that feature high safety, low cost, and long operation lifespan is of the utmost importance for future wide range applications. Aqueous zinc‐ion batteries play a vital part in promoting development portability, sustainability, diversification rechargeable battery systems. Based on theory electrolyte solvation chemistry, deep understanding interaction between components their impact chemical properties has achieved series...

A multifunctional nanoplatform, which generally integrates biosensing, imaging diagnosis, and therapeutic functions into a single nanoconstruct, has great important significance for biomedicine nanoscience. Here, we developed core-shell-shell polydopamine (PDA) modified upconversion nanoplatform intracellular tumor-related mRNAs detection near-infrared (NIR) light triggered photodynamic photothermal synergistic therapy (PDT-PTT). The was constructed by loading silica shell on the hydrophobic...

Uncontrolled dendrite growth and side reactions pose obstacles to the practical implementation of aqueous zinc-ion batteries (AZIBs). Here, a cost-effective trace additive, benzohydroxamic acid (BHA), is introduced into 2.0 M ZnSO4 electrolyte form spontaneous anode-molecule interface. Notably, BHA molecule has strong interactions with Zn2+ ions can absorb on anode surface, promoting dynamic transmission deposition displaying role in suppressing reactions. The impressive cycling stability...

A honeycomb-structured, nitrogen-doped interconnected carbon framework H-MoC-NC with catalytic MoC nanoparticles as a sulfur host is designed to improve polysulfide regulation and cycling performance in lithium-sulfur batteries.

Lithium-sulfur (Li-S) technology stands out as a promising energy storage system. However, its journey toward practical implementation is hindered by sluggish sulfur reduction reaction (SRR) kinetics. A free-standing graphene aerogel (GA) combined with copper-based metal-organic framework (MOF-GA) fabricated the host material for Li-S battery cathodes. The presence of MOF particles assumes dual role, demonstrating efficacy not only catalyst oxide (GO) but also an electrochemical to promote...

Challenges lie in the sluggish redox kinetics and uncontrolled side reactions of traditional aqueous zinc-iodine batteries, making them inferior to other battery congeners. Herein, we introduce superhalide solvation structure and...

An aptasensor based on a fluorophore-labelled aptamer and cobalt oxyhydroxide (CoOOH) nanosheets was developed for determining the concentration of thrombin.

An effective technique for improving electrochemical efficiency is to rationally design hierarchical nanostructures that completely optimize the advantages of single components and establish an interfacial effect between structures. In this study, core-shell NiMoO4@Ni9S8/MoS2 hetero-structured nanorods are prepared via a facile hydrothermal process followed by direct sulfurization. The resulting architecture with outer Ni9S8/MoS2 nanoflakes shell on inner NiMoO4 core offers plentiful active...

Abstract Eutectic electrolytes hold promise for aqueous zinc metal batteries in sustainable energy storage chemistries, yet improvement from perspective of molecule configurational engineering are ambiguous. Herein, we propose design strategy increasing asymmetric molecular geometry organic ligands to regulate frustrated coordination and disordered structure eutectic toward enhanced batteries. The introduced asymmetry component gives rise relatively weak strength disorder interaction among...

The practical application of lithium metal batteries (LMBs) has been impeded by the unstable electrolyte interphase and uncontrollable Li dendrites growth. structures components solid (SEI) are extremely important to affect electrochemical performance LMBs, but it is hard regulate them due complicated reaction mechanisms. Therein, a gradient SEI layer was designed adding bisfluoroacetamide into electrolyte, which could guide uniform deposition ions suppress growth dendrites. In addition,...

Cytochrome c (Cyt c) and caspase-3 are the key mediators in apoptotic signaling. As is known to all, release of Cyt from mitochondria a vital caspase activation pathway defines point no-return cell apoptosis. However, it has not been reported that any fluorescence imaging tools could allow simultaneous visualization translocation cells. Here, we develop sensitive nanosensor holds capability released cascade reaction The constructed by assembly fluorophore (Cy5)-tagged DNA aptamer on graphene...