In the field of lithium-ion battery (LIB) research, black phosphorus (BP) emerges as a promising anode material due to its high electrical conductivity and capacity. However, its significant volume expansion during cycling can lead to electrode pulverization and rapid capacity fade. In this study, a novel network binary polymer binder composed of carboxymethyl cellulose (CMC) and β-cyclodextrin (β-CD)

Anode-free lithium metal batteries (AFLMBs), characterized by ultrahigh theoretical capacity, superior energy density, and cost-effectiveness, have emerged as a promising candidate for next-generation high-energy-density battery systems. However, the lithiophobic nature of copper foil and the high reactivity of metallic lithium lead to interfacial side reactions during lithium deposition/stripping

The widespread use of silicon (Si)-rich anodes in lithium-ion batteries (LIBs) is impeded by an unstable solid electrolyte interphase (SEI) incurring insufficient cell life. Fluoroethylene carbonate (FEC) additive in the electrolyte significantly improves cycle life. However, the gains on calendar life remain unclear; the SEI structure still undergoes detrimental alterations at rest. Thus, elucidating

Heavy metal pollution has a serious impact on humans and the environment. Based on the principle of purchased bismuthine (Biene), a composite material with a small-sized bismuth oxychloride (BOC) as the base and uniform loading of Biene was prepared, which was used to modify the glass carbon electrode to detect Cd2+ and Pb2+. The detection range of the Biene-BOC for Cd2+ and Pb2+ was 5-100 μg·L−1,

Hybrid materials based on porphyrins were obtained electrochemically by superoxide- initiated method. The film deposition is observed at negative potential for Mn(III)T(4-NH2Ph)P, but aniline is deposited both in the positive and negative potential regions despite the same electroactive functional group. This allows us to form hybrid materials (HM) from the mixtures of components (porphyrin and aniline)

Here we present a comparative analysis of TiO2 anatase microparticles and nanoparticles as anode materials for lithium-ion batteries (LIBs). TiO2 anatase is recognized for its high volumetric capacity, cost-effectiveness, safety, and structural stability upon lithium insertion. The structural, morphological, and electrochemical properties of commercial TiO2 microparticles and nanoparticles are investigated

Lithium argyrodite sulfide has emerged as one of the most promising solid electrolytes for all-solid-state lithium metal batteries (ASSLMBs) due to its outstanding ionic conductivity and favorable mechanical properties. However, its application is significantly hindered by issues such as poor moisture and electrochemical stability. Herein, we implement a La2O3 doping strategy to enhance the chemical

Corrosion behavior of weldment zones is a critical factor affecting their service lifetime. Current research on this issue suffers from limited experimental environmental parameters and oversimplified numerical models of weldment zones. More importantly, there is a lack of in-depth analysis of the correlation mechanism between dynamic atmospheric environmental factors and corrosion behavior. To elucidate

In this paper, a new composites material Zn3V3O8/VO2@Nitrogen graphene (ZnVO/VO2@NG) was synthesized, and its structural features and electrochemical properties were systematically characterized. The electrochemical analysis reveals that the electrode exhibits fast electron/lithium ion transport kinetics, and its pseudocapacitive behavior storage characteristics can achieve ultra-fast dynamic response

Molecular imprinting technology has an innovative approach that enables selective and sensitive electroanalysis of pharmaceutical compounds by creating synthetic receptors with molecular recognition sites specific to the target molecule. This technology draws attention with its more stable, cost-effective and reusable recognition elements as an alternative to natural receptors. Molecularly imprinted

Phenolic resin-derived hard carbon materials are promising anodes for sodium-ion batteries (SIBs). However, conventional synthesis methods rely on toxic formaldehyde and yield materials with limited electrochemical performance due to narrow interlayer spacing and low defect density. This study proposes an environmentally friendly approach using glyoxylic acid as a formaldehyde substitute and polyethylene

As for the blossoming of low-altitude economy and electric vehicles, the fast-charging anode with high specific capacity and long-life is a key challenge for sodium ions batteries (SIBs). Herein, we propose a novel hierarchical architecture through the rational construction of Bi@SnSb@C core-shell nanofibers, where Bi outer layers synergistically integrate with SnSb alloy inner-cores within fiber matrix

In the present work, two different approaches were pursued to reduce the susceptibility to pitting corrosion and enhance the repassivation capability of the Fe42.7Mn34.7Al13.4Ni7.7Cr1.5 (at.-%) shape memory alloy. Potentiodynamic polarization measurements in a 5.0 wt.-% NaCl solution revealed that the addition of up to 6.5 at.-% Cr does not significantly improve the passive behavior of the alloys.

Herein, we present the deposition and use of Iridium (Ir) electrocatalysts by Atomic Layer Deposition (ALD) on TiO2 nanotube layers (TNTs) towards Hydrogen Evolution Reaction (HER) in alkaline media. We demonstrate a precise control over Ir ALD deposition by varying the number of ALD cycles from 25 to 300, obtaining single-atoms (SAs), clusters and nanoparticles (NPs). TNTs decorated with Ir using

Water splitting into hydrogen and oxygen with non-noble and efficient electrocatalysts is crucial for green energy demands. The transitional metal-based sulfides are owing to the interest due to their high activity in electrochemical processes, low cost, and earth abundance. Herein, we report the bi-functional catalytic performance of multiphase Nickel Sulfide NiS2 and Ni9S8 (Ni-S) and Nickel Cobalt

Polydopamine and its composites are utilized as a versatile platform for enzyme immobilization in amperometric enzyme biosensors. While numerous studies have used the strong adhesion, good biocompatibility and easy modifiability of polydopamine-based composites for the fabrication of enzyme modified electrodes, no studies have demonstrated their ability as a permselective layer to eliminate interfering

This study investigates the effect of synthesis conditions on the visible light photoactivity of tin dioxide films fabricated via a simple electrodeposition method. For the first time, we present a defect-engineering strategy to modulate the band gap by optimizing electrodeposition temperature, thereby enhancing the material performance as a photoanode in photoelectrochemical water-splitting systems

Li3V2(PO4)3 possesses a stable crystal structure and a high theoretical specific capacity, but its practical application is hindered by low electronic conductivity. Metal ion doping has been proven effective in enhancing both conductivity and structural stability. In this study, a sodium-doped lithium vanadium phosphate precursor was synthesized via the electrospinning technique. The effects of sodium

The Pb(II)-enhanced electroplating of Ir(IV) oxide on glassy carbon (GC) and metal (Pt, Au) surfaces was investigated for a direct amperometric detection of hydrogen peroxide (H2O2). The voltammetric, amperometric, spectroscopic, potentiometric, and cathodic stripping studies suggested that (i) PbIrOx pyrochlore-like oxide was formed by anodic electrodeposition of bridged Pb(II)-O-Ir(III) complexes

This work describes the ethanol oxidation reaction (EOR) in alkaline medium using low-palladium nanoparticle electrocatalysts modified by Fe3O4 nano-octahedra and SnO2 nanorods. Operation studies on an alkaline direct ethanol fuel cell (ADEFC) were conducted using the developed electrocatalysts, and stability studies were performed using the advanced scanning flow cell (SFC) technique coupled to inductively

Sodium-ion batteries (SIBs) have emerged as a promising energy storage technology due to their simple structure, scalability, and cost-effectiveness, garnering significant attention in recent years. Accurate estimation of the state of charge (SOC) and state of health (SOH) is critical for optimizing battery management and ensuring operational reliability. This study proposes a new joint estimation

The origin of the redox stabilization of ferrocene (Fc) within β-cyclodextrin (β-CD) remain unclear. In this study, a combination of experimental techniques and computational modeling using Density Functional Theory (DFT) was employed to investigate the β-CD/Fc complex. Both structural and entropic factors play key roles in stabilizing the complex, with the structural confinement within β-CD limiting

This research mainly explores the non-precious metal catalyst used as in the cathode electrode to improve the anion exchange membrane fuel cell (AEMFC) performance. Because nano-silver particles with excellent oxygen reduction reaction (ORR) characteristics and lower cost compared to Pt, they are good candidates for cathode electrode in AEMFC. Two approaches can realize the target to use Ag instead

We present the PEDOT/PVA hybrid film as a model reactive material capable of emulating the sensing functionalities originated by the reactive elements in biological organs through the same reactants: macromolecular electro-chemical motors, ions, and solvent. Here we prove that the reaction energy responds to and senses at any reaction time, any variation in the electrical (current), chemical (electrolyte

A well-designed flow field is crucial for the uniformity and output performance of Proton Exchange Membrane (PEM) fuel cells. Nevertheless, both manifold and transition zone designs have remained limitations, and a universal strategy for optimizing uniformity under different inlet and outlet conditions has not been developed. Therefore, a three-dimensional two-phase numerical model of PEM fuel cells

Numerous models have been developed to simulate the performance and degradation mechanisms of proton exchange membrane fuel cell (PEMFC) components. The Nernst and Butler-Volmer approaches, in a single-step reaction, often describe the hydrogen oxidation reaction (HOR) and the oxygen reduction reaction (ORR), the latter being of higher complexity as it involves numerous intermediate species. The experimental

This article describes the preparation of TiO2/MoS2 combined with an exponentially efficient sugarcane bagasse biochar (SBB) using a simple hydrothermal method. It was practicable to efficiently establish an effective dual Z-scheme heterojunction by analyzing the band structure of the catalyst components. This resulted in an increased number of active sites, which expeditiously facilitates the separation