Electrochimica Acta
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6.21
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38707
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#1He-Qiang Chang (USTB: University of Science and Technology Beijing)H-Index: 2
#2Guo-Hua Zhang (USTB: University of Science and Technology Beijing)H-Index: 20
Last. Kuo-Chih Chou (USTB: University of Science and Technology Beijing)H-Index: 27
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Abstract null null Electrochemical water splitting is considered a sustainable route for the hydrogen industry. In this work, Mo2C/MoC heterostructure supported on N-doped carbon (Mo2C/MoC@NC) was prepared via a carbonization strategy. For the product (Mo2C/MoC@NC-1-2) fabricated with a g-C3N4/ ammonium molybdate tetrahydrate molar ratio of 1:2 at 700 °C under 10%CH4/H2 atmosphere, a high stability and good HER activity with a η10 of 113 mV in 1M KOH were achieved. To further enhance the catalyt...
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#1Fan LiuH-Index: 2
#2Yanxia Liu (CAS: Chinese Academy of Sciences)H-Index: 3
Last. Chen Shimou (CAS: Chinese Academy of Sciences)
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Abstract null null The volume expansion of the silicon (Si) anode material is still a main bottle-neck problem limiting its battery application. Effective structure design needs to be studied continuously, meanwhile the process feasibility also cannot be ignored. Herein, a novel yet simple method to prepare double-buffer structure hybrids with a multilevel porous self-assembly structure induced by hydrogen bonding employing spray-drying methods is reported. The well-designed mesoporous hybrid wi...
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#1Daniele Spada (UNIPV: University of Pavia)H-Index: 2
#2Benedetta Albini (UNIPV: University of Pavia)H-Index: 6
Last. Marcella Bini (UNIPV: University of Pavia)H-Index: 25
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Abstract null null In the last years of research on new anode materials for advanced Lithium-Ion Batteries (LIBs), niobium-based oxides are raising growing attention due to very high theoretical capacities and high working potential that can prevent the formation of lithium dendrites, ensuring the safety of the batteries. Most of them crystallizes in open Wadsley–Roth shear structures, which show large Li-ion diffusion coefficients and promising applications in energy storage systems. In this pa...
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#1Qianqian Pan (Qufu Normal University)H-Index: 3
#2Chao Yang (Qufu Normal University)H-Index: 18
Last. Bingqiang Cao (Qufu Normal University)H-Index: 12
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Abstract null null Bismuth ferrite (BiFeO3) with high specific capacity and wide voltage window, fundamentally stores charge through the reversible redox reactions of cations, but usually suffers from poor rate capability and bad cycling stability, due to its densely-packed crystal structure and multi-electron redox reaction kinetics. We present a novel route to regulate nanoflake network architectures and oxygen vacancy defects of BiFeO3 through V doping and electrochemical induction without an...
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#1Yan Wang (SDNU: Shandong Normal University)H-Index: 16
#2Chengju Gong (SDNU: Shandong Normal University)
Last. Liping Geng (SDNU: Shandong Normal University)H-Index: 3
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Abstract null null In this paper, a novel electroactive material named as carbon quantum dots-tungsten disulfide nanocomposite (CQDs-WS2) was prepared via a facile self-assembly method. Based on CQDs-WS2 modified glassy carbon electrode (CQDs-WS2/GCE), a label-free electrochemical aptasensing strategy was proposed to sensitively determine sulfamethazine (SMZ). Cationic polyethyleneimine (PEI) were employed to form complexes with negatively charged SMZ-binding aptamers immobilized on CQDs-WS2/GCE...
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#1Cynthia P. McCord (CSU: Colorado State University)H-Index: 4
#2Bali K. Summers (CSU: Colorado State University)H-Index: 1
Last. Charles S. Henry (CSU: Colorado State University)H-Index: 63
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Abstract null null Carbon composite electrodes consisting of graphite and a non-conductive binder are widely used due to their low cost and ease of fabrication but often suffer from slow electrode kinetics and high capacitance relative to traditional electrode materials such as gold and glassy carbon. Modifiers including metallic nanoparticles and carbon nanotubes are used to enhance electrode performance, but this complicates electrode preparation, increases cost, and limits reusability. Our gr...
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#1J.W. Blake (TU Delft: Delft University of Technology)
#2J.T. Padding (TU Delft: Delft University of Technology)
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Abstract null null The electrochemical reduction of null null null null CO null 2 null null null null on planar electrodes is limited by its prohibitively low diffusivity and solubility in water. Gas-diffusion electrodes (GDEs) can be used to reduce these limitations, and facilitate current densities orders of magnitude higher than the limiting current densities of planar electrodes. These improvements are accompanied by increased variation in the local environment within the cathode, with signi...
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#1Graziela C. Sedenho (USP: University of São Paulo)H-Index: 7
#2Iago A. Modenez (USP: University of São Paulo)H-Index: 1
Last. Frank N. Crespilho (USP: University of São Paulo)H-Index: 26
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Abstract null null Saccharomyces cerevisiae is one of the first microorganism established to be able to convert chemical energy into electricity, however its extracellular electron transfer (EET) mechanism was still unclear. Here, we show how yeast strains extracellularly transfer electron to an electrode surface. We observed yeast cells adsorption on solid surfaces occurs through the extracellular polymeric substance (EPS) network, and EET process takes place by redox species mostly confined on...
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#1Jing Peng (Beihang University)H-Index: 12
#2Ye Xiao (Beihang University)H-Index: 1
Last. Thomas A. Zawodzinski (ORNL: Oak Ridge National Laboratory)H-Index: 67
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Abstract null null We report a study of the electrochemistry of Ferrocene (Fc) in a Tween®20 (polyethylene glycol (20) sorbitan monolaurate) /1-butanol/ water/Toluene (TBWT) microemulsion system, focusing on the effects of electrolyte components. Resistance and conductivity measurements are used along with Cyclic Voltammetry (CV) to characterize the effects of supporting electrolyte, such as Bu4NBF4 and KNO3, on the electrochemical performance and transport properties of Fc. With increasing Fc-c...
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#1Juan José García-Guzmán (UCA: University of Cádiz)H-Index: 6
#2David López-Iglesias (UCA: University of Cádiz)H-Index: 3
Last. Stelian Lupu (Politehnica University of Bucharest)H-Index: 14
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Abstract null null This work is focused on the investigation of a composite material based on silver nanoparticles (AgNPs) and poly(3,4-ethylenedioxythiophene) (PEDOT) as sensing element of an electrochemical sensor for the determination of caffeic acid (CA). The novelties of the present work lie on the in-situ electrodeposition of AgNPs upon PEDOT layer using a sinusoidal voltage (SV) approach and the application of the SV procedure to other conventional electrodes like glassy carbon electrode ...
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