Silicon has gained significant attention as a lithium-ion battery anode material due to its high theoretical capacity compared conventional graphite. Unfortunately, silicon anodes suffer from poor cycling performance caused by their extreme volume change during lithiation and de-lithiation. Compositing particles with 2D carbon materials, such graphene, can help mitigate this problem. However, an unaddressed challenge remains: simple, inexpensive synthesis of Si/graphene composites. Here,...

Aqueous Zn batteries are promising for large-scale energy storage but plagued by the lack of high-performance cathode materials that enable high specific capacity, ultrafast charging, and outstanding cycling stability. Here, a laser-scribed nano-vanadium oxide (LNVO) is designed can simultaneously achieve these properties. The material stores charge through Faradaic redox reactions on/near surface at fast rates owing to small grain size vanadium interpenetrating 3D graphene network,...

Abstract Rechargeability in zinc (Zn) batteries is limited by anode irreversibility. The practical lean electrolytes exacerbate the issue, compromising cost benefits of for large‐scale energy storage. In this study, a zinc‐coordinated interphase developed to avoid chemical corrosion and stabilize anodes. promotes Zn 2+ ions selectively bind with histidine carboxylate ligands, creating coordination environment high affinity fast diffusion due thermodynamic stability kinetic lability....

In response to the structural changes of tomato seedlings, traditional image techniques are difficult accurately quantify key morphological parameters, such as leaf area, internode length, and mutual occlusion between organs. Therefore, this paper proposes a point cloud stem segmentation framework based on Elite Strategy-based Improved Red-billed Blue Magpie Optimization (ES-RBMO) Algorithm. The uses four-layer Convolutional Neural Network (CNN) for by incorporating an improved swarm...

Aqueous sodium-ion batteries (SIBs) are gradually being recognized as viable solutions for large-scale energy storage because of their inherent safety well low cost. However, despite recent advancements in water-in-salt electrolyte technologies, the challenge identifying anode materials with sufficient specific capacity persists, complicating wider adoption these batteries. This study introduces an innovative and straightforward approach synthesizing vanadium oxide laser-scribed graphene...

Introduction The ecological and economic impacts of forest pests have intensified, particularly in remote areas. Traditional pest detection methods are often inefficient inaccurate complex environments, posing significant challenges for effective management. Enhancing the efficiency accuracy under resource-limited conditions has thus become a critical issue. This study aims to address these by proposing an improved lightweight forestry algorithm, RSD-YOLOv8, based on YOLOv8. Methods To...

Abstract Conducting polymers like polyaniline (PANI) are promising pseudocapacitive electrode materials, yet experience instability in cycling performance. Since often degrade into oligomers, short chain length anilines have been developed to improve the stability of PANI‐based supercapacitors. However, capacitance degradation mechanisms aniline oligomer‐based materials not systematically investigated and little understood. Herein, two composite electrodes based on trimers (AT) carbon...

Abstract Focus on advancement of energy storage has now turned to curbing carbon emissions in the transportation sector by adopting electric vehicles (EVs). Technological advancements lithium‐ion batteries (LIBs), valued for their lightweight and high capacity, are critical making this switch a reality. Integrating structurally enhanced LIBs directly into vehicular design tackles two EV limitations: vehicle range weight. In study, 3D‐carbon (3D‐C) lattices, prepared with an inexpensive...

Luteolin differs as a radical scavenger dramatically from apigenin in response to Cu(II) coordination despite minor structural difference. Coordination of increases the scavenging efficiency luteolin, especially at low pH, while decreases both and higher pH studied by ABTS•+ scavenging. forms 1:1 complex with binding 4-carbonyl 5-phenol for <6 3′,4′-catechol >6. Apigenin 1:2 independent coordinated 5-hydroxylyl. jump stopped-flow, translocates rate constants 11.1 ± 0.3 s–1 4,5 3′,4′ sites...

We report a novel synthetic approach combining laser-scribing and calcination to make pseudocapacitive V 2 O 5 /laser-scribed graphene composite. The unconventional synthesis gives rise high-performance.

Silicon microparticles (SiMPs) have gained significant attention as a lithium-ion battery anode material due to their 10 times higher theoretical capacity compared conventional graphite anodes well much lower production cost than silicon nanoparticles (SiNPs). However, SiMPs suffered from poorer cycle life relative SiNPs because larger size makes them more susceptible volume changes during charging and discharging. Creating wrapping structure in which are enveloped by carbon layers has...

The present work details the development of carbon fiber-reinforced epoxy membranes with excellent rejection small-molecule dyes. It is a proof-of-concept for more sustainable membrane design incorporating fibers, and their recycling reuse. 4,4′-methylenebis(cyclohexylamine) (MBCHA) polymerized either bisphenol-A-diglycidyl ether (BADGE) or tetraphenolethane tetraglycidylether (EPON Resin 1031) in polyethylene glycol (PEG) were used to make monolithic reinforced by nonwoven fibers. Membrane...

Sn(II) binds to kaempferol (HKaem, 3,4′,5,7-tetrahydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one) at the 3,4-site forming [Sn(II)(Kaem)2] complex in ethanol. DPPH• scavenging efficiency of HKaem is dramatically decreased by SnCl2 coordination due formation acid inhibiting deprotonation as ligands and thus reduces radical activity via a sequential proton-loss electron transfer (SPLET) mechanism. Moderate decreases are observed Sn(CH3COO)2 contact between Sn HKaem, agreement with increase...

Flavonoids are used as natural additives and antioxidants in foods, after coordination to metal ions, drug candidates, depending on the flavonoid structure. The rate of radical scavenging ubiquitous plant kaempferol (3,5,7,4'-tetrahydroxyflavone, Kaem) was found be significantly enhanced by Mg(ii), Ca(ii), Sr(ii), Ba(ii) whereas apigenin (5,7,4'-trihydroxyflavone, Api) almost unaffected alkaline earth (AEM) studied for short-lived β-carotene cations (β-Car˙+) formed laser flash photolysis...

The macroscopic and microscopic interactions between liquid ammonia graphitic materials are discussed, including dispersion, doping, mechanical testing, shrinkages.

Zinc Anodes As the world seeks alternatives to lithium-ion batteries, rechargeable zinc-based batteries emerge as a promising alternative due their low cost, abundance, and safety. Their adoption, however, is limited by efficiency dendritic growth issues. In article number 2306145, Richard B. Kaner co-workers introduce zinc-coordinated interphase that enhances stability prevents dendrites, significantly improving battery performance lifespan. This innovation paves way for zinc more practical...

Sodium–ion batteries represent one of the current research frontiers, owing to their low cost, intrinsic safety, environmental friendliness, and other unique features. Investigations are conducted toward exploration advanced electrode materials with exceptional energy/power density, superior rate capability, ultralong cycling life. Notably, vanadium oxide have received great attention due diversity in chemical compositions attractive electrochemical properties. In this work, we propose a...

In response to the structural changes of tomato seedlings, traditional image techniques are difficult accurately quantify key morphological parameters, such as leaf area, internode length, and mutual occlusion between organs. Therefore, this paper proposes a point cloud stem segmentation framework based on Elite Strategy-based Improved Red-billed Blue Magpie Optimization Algorithm (ES-RBMO). The uses four-layer Convolutional Neural Network (CNN) for by combining an improved swarm...

Aqueous Zn batteries are promising for large-scale energy storage but plagued by the lack of high-performance cathode materials that enable high specific capacity, ultrafast charging, and outstanding cycling stability. Here, we design a laser-scribed nano-vanadium oxide (LNVO) can simultaneously achieve these properties. Our material stores charge through Faradaic redox reactions on/near surface at fast rates owing to small grain size vanadium interpenetrating three-dimensional graphene...

The development of potent pseudocapacitive charge storage materials has emerged as an effective solution for closing the gap between high-energy density batteries and high-power long-lasting electrical double-layer capacitors. Sulfonyl compounds are ideal candidates owing to their rapid reversible redox reactions. However, structural instability low conductivity hinder practical application electrode materials. This work addresses these challenges using a fast clean laser process...

In this paper an advanced modeling approach is employed to investigate the development of surface Kelvin-Helmholtz instability, occurring at liquidliquid interfaces. The interface captured by Level-Set method, in which, represented as zero level set a smooth function. A high-order numerical scheme, called Var-Den , utilized solve Navier-Stokes and equations with high accuracy. sensitivity analysis performed identify important factors, governing interfacial interactions evolution behavior....