ArtikelElectrodeposition of Ni−Rh Alloys and their Use as Cathodes for Nitrate Reduction in Alkaline Solutionsvon Luca Mattarozzi et al. · 14.03.2023 Efficient nitrate abatement: Compact thin layers of Ni−Rh alloys are electrodeposited from acidic sulfate baths. XRD shows formation of a single crystalline phase of substitutional solid solution. Ni-rich alloys with 10–30 at% Rh display higher acti...
ArtikelBinder‐Free N‐Functionalized Carbon Electrodes for Oxygen Evolution Reactionvon Feihong Song et al. · 14.03.2023 Curbing corrosion: Nitrogen functionalized carbon-based electrode materials have been synthesized and analysed in comparison to pure carbon-based electrodes. Analysis of the gaseous products shows a higher proportion of electrocatalytic water splitt...
ArtikelMorpholinium‐Modified, Polyketone‐Based Anion Exchange Membranes for Water Electrolysisvon Simone Bonizzoni et al. · 14.03.2023 Anion exchange membranes: Self-standing anion-conducting membranes are obtained by means of a facile and inexpensive chemical modification of polyketone (PK) with a functional unit encompassing morpholinium as the positively charged group. Abstrac...
ArtikelEnhanced Pomegranate‐Structured SnO2 Electrocatalysts for the Electrochemical CO2 Reduction to Formatevon Kevin Van et al. · 14.03.2023 Pomegranate-structured SnO2 and SnO2@C nanocomposite electrocatalysts, with a selectivity above 80 % for the electrochemical CO2 reduction towards formate, are used to highlight the promising possibilities of a particle confinement strategy to enhan...
ArtikelTowards Promotion of Graphene/Titania‐Based Electrode via Ultrafast and Self‐Expansion Reduction for Li‐ion Batteryvon Tomasz Kędzierski et al. · 14.03.2023 Ultrafast Reduced Graphene Oxide: Ultrafast and self-expansion reduction reaction induces self-expansion of reduced graphene oxide free-standing films through rapid heating providing abundance of cavities/empty spaces to alleviate volume change duri...
ArtikelFacile Electrochemical Preparation of Hydrophobic Antibacterial Fabrics Using Reduced Graphene Oxide/Silver Nanoparticlesvon Behnaz Jafari et al. · 14.03.2023 Bacteria repellent: A novel electrochemical approach was developed to coat fabrics with reduced graphene oxide/silver nanoparticles. Initially, graphene oxide was introduced onto the fabric by spray coating. Next, the graphene oxide was electrochemi...
ArtikelScrutinizing Intrinsic Oxygen Reduction Reaction Activity of a Fe−N−C Catalyst via Scanning Electrochemical Cell Microscopyvon Ndrina Limani et al. · 14.03.2023 Unravel the intrinsic activity: Herein, we explicate the intrinsic oxygen reduction reaction activity of a Pt-free catalyst via electrochemical surface area (ECSA) normalized data with scanning electrochemical cell microscopy (SECCM). A combination ...
ArtikelIons Dynamics and Diffusion in Self‐Healing Chemical Gel Electrolytes for Li‐ion Batteriesvon Eliana Quartarone et al. · 14.03.2023 Self-healing Gel Electrolytes for Li-batteries. 1H, 7Li, 19F NMR spectroscopy allowed fully understanding the ion conduction mechanism: negligible formation of ion pairs; high-level structuring of lithium cations, between polymer chains and solvents...
ArtikelSelf‐Supporting and Shell‐Core Pd−Ni@Ni Nanowire Arrays Electrode as Anode of Direct Carbohydrazide Fuel Cellvon Chao Peng et al. · 14.03.2023 Morph-active: Compared with Pd−Ni@Ni plate and foam, nanowire arrays afford larger catalytic steady-state current density due to their morphology. Not only direct carbohydrazide electrooxidation, but also chemical decomposition of carbohydrazide int...
ArtikelGreen Synthesis of Carbon Nanospheres for Enhanced Electrochemical Sensing of Dopaminevon Peng Lei et al. · 14.03.2023 Sweet nanospheres: Glucose-derived carbon nanospheres (CNs) synthesized by a simple hydrothermal approach were employed for electrochemical determination of dopamine. The CNs-modified glassy carbon electrode exhibits excellent sensing performance an...
ArtikelInteractions between Hydrogen and Palladium Nanoparticles: Resolving Adsorption and Absorption Contributionsvon Lilian Moumaneix et al. · 14.03.2023 Interactions between hydrogen and palladium nanoparticles: The electrochemical absorption of H into Pd and its subsequent desorption is studied. An original model is proposed to separate the different contributions participating to the desorption cu...
ArtikelCover Feature: Self‐Supporting and Shell‐Core Pd−Ni@Ni Nanowire Arrays Electrode as Anode of Direct Carbohydrazide Fuel Cell (ChemElectroChem 6/2023)von Chao Peng et al. · 14.03.2023 The Cover Feature shows a direct carbohydrazide/hydrogen peroxide fuel cell equipped with a self-supporting and shell–core Pd–Ni@Ni nanowire arrays anode. In addition to the direct electrooxidation of carbohydrazide, the chemical decomposition of ca...
ArtikelFront Cover: Facile Electrochemical Preparation of Hydrophobic Antibacterial Fabrics Using Reduced Graphene Oxide/Silver Nanoparticles (ChemElectroChem 6/2023)von Behnaz Jafari et al. · 14.03.2023 The Front Cover shows schematically the in situ electrochemical reduction of graphene oxide and electrodeposition of silver nanoparticles on the fabric. The reduced graphene oxide/silver-coated fabrics demonstrated electroconductivity, hydrophobicit...
ArtikelDevelopment of Transition Metal Incorporated Bismuth‐Based Oxide Semiconductors as Potential Candidates for Solar Assisted Water Splitting Applicationsvon Sangeeta Ghosh et al. · 14.03.2023 Bismuth-based photocatalyst: This review summarizes different approaches for design and fabrication of highly efficient transition metal incorporated bismuth-based ternary oxide semiconductors depending on their synthetic strategies, structure and m...
ArtikelElectrochemical Determination of Flap Endonuclease 1 Activity Amplified by CRISPR/Cas12a Trans‐Cleavage von Yulin Zhu et al. · 17.03.2023 An electrochemical flap endonuclease 1 assay is developed by investigating CRISPR/Cas12a trans-cleavage and reversible three-dimensional DNA layer engineering. Dumbbell structured DNA substrate, electrochemical species labelled single-stranded DNA a...
ArtikelNitrogen‐Doped Electrocatalysts, and Photocatalyst in Water Splitting: Effects, and Doping Protocolsvon Sajjad Keshipour et al. · 15.03.2023 Impacts of nitrogen doping on the electrocatalysts, and photocatalysts of water splitting was reviewed. Nitrogen doping was recognized as a promising pathway to boost catalytic activity of electrocatalysts, and photocatalysts. The syntheses procedur...
ArtikelVoltammetric Sensor Based on Waste‐Derived Carbon Nanodots for Enhanced Detection of Nitrobenzenevon Viviana Bressi et al. · 10.03.2023 Not just waste: An integrated approach based on linking thermal and electrochemical technologies is investigated for the valorisation of agro-industrial waste. The obtained carbon dots (CDs) are certain of high scientific value and may add more valu...
ArtikelSodium Insertion into Fe[Fe(CN)6] Framework Prepared by Microwave‐Assisted Co‐Precipitationvon Fabio Maroni et al. · 09.03.2023 Microwave processing for high performance nanocrystallites: Through a simple, low-temperature microwave assisted method it was possible to obtain a uniform and highly performing Prussian blue analog for Na-ion batteries. X-ray absorption spectroscop...
ArtikelBimetallic PtCu/C Catalysts for Glycerol Assisted Hydrogen Evolution in Acidic Mediavon Sonja D. et al. · 09.03.2023 A bimetallic electrocatalyst: PtCu/C catalysts for glycerol electrooxidation coupled with hydrogen production in acidic media. Catalysts are synthesized by a microwave assisted polyol method, characterized physically and electrochemically, and appli...
ArtikelPorous Iron‐Nitrogen‐Carbon Electrocatalysts for Anion Exchange Membrane Fuel Cells (AEMFC)von Beatrice Ricciardi et al. · 03.03.2023 More or less: A sustainable soft templating strategy allowed preparing highly porous Fe−N−C catalysts with different Fe contents. The effect of Fe content on the material's structure and electrocatalytic activity toward the oxygen reduction reaction...
ArtikelRedox‐Stabilized Sn/SnO2 Nanostructures for Efficient and Stable CO2 Electroreduction to Formatevon Haoyang Jiang et al. · 02.03.2023 Large-scale Sn/SnO2 nanoporous catalysts were fabricated via thermal evaporation and wet-chemical etching. The finely tuned surface *OCHO adsorption enabled active and stable production of formate with a >90 % CO2R-to-formate Faradaic efficiency ...
ArtikelDegradation Mechanisms of Platinum Group Metal‐Free Oxygen Reduction Reaction Catalyst based on Iron Phthalocyaninevon Hilah C. et al. · 01.03.2023 Mechanisms exposed! Iron-phthalocyanine was used as a model molecule to decipher the degradation mechanisms of Fe−N−C oxygen reduction reaction catalysts. Using X-ray photoelectron spectroscopy and electrochemical techniques, it enabled us to identi...
ArtikelConductive Polymers‐Confined Metal‐Organic Frameworks with Enhanced Activity for Highly Efficient Photocatalytic CO2 Reductionvon Xinzuo Fang et al. · 27.02.2023 Enhanced conductivity: Al−PMOF−Cu−PPy are obtained through metallization of the porphyrin linkers followed by polymerization of pyrrole, which exhibit enhanced photocatalytic activity for CO2 reduction. DFT calculations reveals the electron interact...
ArtikelElectrochemical Characterization of Charge Storage at Anodes for Sodium‐Ion Batteries Based on Corncob Waste‐Derived Hard Carbon and Bindervon Luca Bottoni et al. · 24.02.2023 Hard carbon for sodium-ion batteries: Corncobs are used for the preparation of bio-based electrode with hard carbon as active material and carboxymethyl cellulose as binder. The electrodes deliver a high discharge capacity and good rate capability. ...
ArtikelOptimizing the Performance of a Graphitized Carbon Xerogel as Cathode for Sodium Dual‐Ion Batteriesvon Ignacio Caméan et al. · 24.02.2023 Xerogels for dual-ion batteries: A graphitized carbon xerogel (GXGO) is studied as cathode for Na dual-ion batteries. The intercalation of PF6 − anions in GXGO from NaPF6 based electrolytes is optimized. FEC in the electrolyte improves GXGO coulombi...
ArtikelConductive Polymer/Graphene‐based Composites for Next Generation Energy Storage and Sensing Applicationsvon Adam Moyseowicz et al. · 24.02.2023 Conducting polymer and graphene-based composites for electrochemical applications: A comprehensive review on the synthesis, properties, and architectures of binary and ternary composites containing conductive polymers and graphene-related materials ...
ArtikelElectrochemical Impedance Spectroscopy for Electrode Process Evaluation: Lithium Titanium Phosphate in Concentrated Aqueous Electrolytevon Federico Scarpioni et al. · 23.02.2023 Put it on EIS: Electrochemical impedance spectroscopy (EIS) informs over thermodynamics (activation energies) and kinetics (parameter evolution) of a half-cell made up of lithium titanium phosphate in a binary aqueous solution. Physical information ...
ArtikelSingle‐Site Molecular Ruthenium(II) Water‐Oxidation Catalysts Grafted into a Polymer‐Modified Surface for Improved Stability and Efficiencyvon Yosra M. et al. · 21.02.2023 Binding a molecular water-oxidation catalyst to a surface-grafted polymer: Single-site molecular Ru(II) WOCs can be immobilized onto a high density and multilayered UV cross-linked polymer network which resulted in a higher stability in aqueous solu...
ArtikelGold Nanoparticles‐Titania Heterojunction: Photoelectrochemical Detection of Ciprofloxacinvon Daniele Fumagalli et al. · 16.02.2023 Photoelectrochemical detection of ciprofloxacin: A heterojunction formed by titanium dioxide and gold nanoparticles can determine ciprofloxacin by photoelectrochemical analysis. Thanks to the synergistic properties of the two materials, it is possib...
ArtikelOptical Super‐Localisation of Single Nanoparticle Nucleation and Growth in Nanodropletsvon Paolo Ciocci et al. · 14.02.2023 Electrodeposition of limited number of nanoparticles requires confinement within nano-electrochemical cells. Super-localization optical microscopy reveals operando the process dynamics: within the first 3–13 ms the delayed formation of one to six di...
ArtikelX‐Ray Microscopy: A Non‐Destructive Multi‐Scale Imaging to Study the Inner Workings of Batteriesvon Flavio Cognigni et al. · 03.02.2023 How it's made! Reaching a holistic understanding of inner workings of a battery means studying the device in its assembled state, natural physical and chemical environment while potentially performing its function. Here, we demonstrate X-ray microsc...
ArtikelElectrochemical Cycling Behaviour and Shape Changes of Zn Electrodes in Mildly Acidic Aqueous Electrolytes Containing Quaternary Ammonium Saltsvon Benedetto Bozzini et al. · 03.02.2023 Platform of advanced characterization techniques for batteries: We studied Quaternary Ammonium Salt additions to mildly-acidic aqueous battery electrolytes, to improve Zn anode performance. Electrochemical measurements, combined with multi-scale 2D/...
ArtikelA Thermodynamic Model for the Insertion Electrochemistry of Battery Cathodesvon Keyvan Malaie et al. · 23.01.2023 Phase separation in Ni batteries: This scheme shows that for a point between reduced and oxidized species, there are two possible states with two different energies depending on their history, i. e., hysteresis. We developed a thermodynamic model fo...
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