Showing papers in "Electrochimica Acta in 2020"

TL;DR: In this article, a rose-like BWO-10 photoelectrode showed more excellent photocurrent (0.24 mA/cm2), outstanding photovoltage (− 0.24ÕV) and interface resistance than those of other samples under visible light irradiation.

TL;DR: In this paper, the MnO/C@rGO composites are fabricated via an in situ strategy of one-step MOFs-derived solvothermal method, combined with a calcination step at 570 °C under Ar for 2 h.

TL;DR: In this article, a reagent-assisted composite of the ZnCo2O4 (ZC-UAH) electrode material showed a higher specific capacity of 462.5C g−1 at a current density of 1'A'g−1 within the potential range of 0.0-0.4'V in the 2'M KOH electrolyte solution.

TL;DR: In this article, a new strategy for synthesizing a well-aligned porous NiO@Ni-MOF/NF cylindrical cage-shape structure derived from NiO self-sacrificed template and precursor is proposed.

TL;DR: In this paper, a 3-electrode configuration in 6-M KOH electrolyte was used to evaluate the performance of the pre-carbonization, acid washing, and KOH activation procedures.

TL;DR: Li et al. as mentioned in this paper proposed an efficient surface modification strategy to in-situ fabricate the NCM811 coated with solid electrolyte Li3PO4, and systematically investigated the effect of Li 3PO4 nano coating layer on electrochemical stability.

TL;DR: In this paper, in-situ Raman electrochemistry has been established as a method to probe interfacial intermediates and correlate the performance of various nickel catalysts (Ni, NiO, and Ni/NiO nanosheets).

TL;DR: In this article, a quasi-solid-state supercapacitor with high energy density and low self-discharge is synthesized by the addition of 1-butyl-3-methylimidazolium bromide (BMIMBr) ionic liquid (IL) and carbon nanotubes (CNTs) into a PVA aqueous solution.

TL;DR: In this article, a combination of cell testing and electrochemical-thermal modeling is used to investigate extreme fast charging (XFC) performance for cells with a low loading of 1.5mm and moderate loading of 2mm.

TL;DR: In this article, a cobalt intercalated metal organic framework (MOF/PANI) composite for the application of supercapattery devices is presented, which has shown a highest specific capacity of 154.9% in cyclic voltammetry at 3mV s−1, whereas 162.5% in electrochemical impedance spectroscopy.

TL;DR: A simplified model, in which the crucial parameters with high sensitivities are updated with SOC and SOH, while the other parameters retain their initial values, is proposed to ensure model accuracy while reducing computational complexity greatly.

TL;DR: In this article, a flexible composite electrode was fabricated by connecting the HKUST-1 derived copper sulfide (CuS) polyhedrons with carbon nanotubes (CNTs).

TL;DR: In this article, a pyrolysis method was used to construct the ternary FeCoNi alloy nanoparticles that encapsulated with bamboo-like N-doped carbon nanotubes (N-CNTs).

TL;DR: In this article, a co-doped hierarchical porous carbon nanofiber self-standing film was fabricated by a facile electrospinning and one-step carbonization/activation method using polyacrylonitrile solution containing boric acid and phosphoric acid.

TL;DR: In this paper, N, S co-doped bamboo fiber derived carbon has been prepared when K3Fe(CN)6 and thiourea are selected as graphitization catalysis and dopant, respectively.

TL;DR: In this article, a symmetric supercapacitor based on hierarchical porous carbon spheres with the core-shell architecture (MPG2) is proposed, which is fabricated based on the dynamic Schiff base chemistry free from any templates or complicated procedures.

TL;DR: In this article, a rhombohedral dodecahedral composite Co3S4@NiO for supercapacitors is presented, which exposes more active sites, promotes free diffusion of electrolytes, shortens the path of electron transfer in electrochemical reaction process, and improves the capacitance performance.

TL;DR: In this paper, a 3D-printed electrode fabricated using a conductive composite of polylactic acid (PLA) containing carbon black (CB) can be substantially improved through a simple and fast chemical/electrochemical pretreatment in 0.5 mM NaOH.

TL;DR: The importance of EIS data quality, the use of the Kramers-Kronig transformation, the impacts of statistically distributed noise and single errors in EIS spectra, and the selection of the regularization parameter lambda for improved interpretation of DRT curves are demonstrated.

TL;DR: In this article, the asymmetric supercapacitor was assembled by using Nb2CTx/CNT as negative electrode and activated carbon as positive electrode, which can deliver a high energy density of 154.1μWh/cm2 and a maximum power density of 74843.1

TL;DR: In this paper, the decomposition of Li2CO3 in a battery cell has been studied extensively, the mechanistic aspects of its decomposition during cell formation/cycling are still highly controversial.

TL;DR: In this paper, an approach to prepare hierarchical core-shell structures ZnxCo1-x/NC@MoS2 was proposed to improve the performance of hydrogen evolution reaction.

TL;DR: In this paper, a critical review on the characteristics of different flow reactors using BDD electrodes and carries out a rigorous analysis of the reaction environment in such reactors, including the effect of electrolyte velocity on the flow dispersion, mass transport rate, and current distribution.

TL;DR: Li2S6 catholyte impregnated Co, N-CNFs electrode (sulfur loading: 4.74mg) exhibits the first discharge capacity of 1166 mAhg g−1 and matins at 938 mahg g −1 after 300 cycles at 0.2 C as discussed by the authors.

TL;DR: In this paper, homologous 3D NiCoP/CoP hetero-nanosheets network supported on N-doped carbon nanotubes are synthesized through one-step phosphorization of nickel cobalt hydroxide.

TL;DR: Wang et al. as discussed by the authors investigated the possibility of reusing spent graphite as anode material for LIBs and SIBs after reconstruction process, which can enhance the interlayer force and reduce the inter-layer lattice distance of graphite.

TL;DR: In this article, a battery system with Zn anode and birnessite MnO2 cathode was constructed and systematically investigated by using MnSO4 additive in the electrolyte with different concentrations.

TL;DR: In this paper, the effects of the calcining pressure gradient on the structure, morphology, and electrochemical properties of LiNi0.8Co0.15Al0.6 precursors were analyzed.

TL;DR: In this article, a 3D interpenetrating assembly by confining MnFe2O4 nanodots (MFNDs) in hierarchically layered Ti-MXene (Ti3C2TX), which shows superior energy storage in highvoltage ionic liquid (IL) electrolyte, is presented.

TL;DR: This paper presents an original approach for joint estimation of state-of-charge (SoC) and state- of-health (SoH) based on the pseudo-two-dimensional (P2D) model, which shows that the maximum SoH estimation error can be limited to 2.8%, and the SoC estimation error is bounded by 2% for new and aged batteries with the calibrated SoH.