Search results for: ION MIGRATION - Bridge of Knowledge

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Search results for: ION MIGRATION

  • Signature of Oxide-Ion Conduction in Alkaline-Earth-Metal-Doped Y3GaO6

    Publication

    - ACS Omega - Year 2020

    We have studied alkaline-earth-metal-doped Y3GaO6 as a new family of oxide-ion conductor. Solid solutions of Y3GaO6 and 2% −Ca2+-, −Sr2+-, and −Ba2+-doped Y3GaO6, i.e., Y(3−0.06)M0.06GaO6−δ (M = Ca2+, Sr2+, and Ba2+), were prepared via a conventional solid-state reaction route. X-ray Rietveld refined diffractograms of all the compositions showed the formation of an orthorhombic structure having the Cmc21 space group. Scanning electron...

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  • Bias-Dependent Dynamics of Degradation and Recovery in Perovskite Solar Cells

    Publication
    • M. Prete
    • M. V. Khenkin
    • D. Głowienka
    • B. R. Patil
    • J. S. Lissau
    • I. Dogan
    • J. Hansen
    • T. Leißner
    • J. Fiutowski
    • H. Rubahn... and 6 others

    - ACS Applied Energy Materials - Year 2021

    Degradation of perovskite solar cells (PSCs) is often found to be partially or fully reversible when the cells are allowed to recover in the dark. Unlike the dynamics of degradation, knowledge about the dynamics of PSC cell recovery is very limited. Here, we demonstrate that the PSC recovery strongly depends on the electrical bias conditions during the light-induced degradation and that it can be manipulated by applying an external...

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  • Locust bean gum as green and water-soluble binder for LiFePO4 and Li4Ti5O12 electrodes

    Publication

    Locust Bean Gum (LBG, carob bean gum) was investigated as an environmentally friendly, natural, and water-soluble binder for cathode (LFP) and anode (LTO) in lithium-ion batteries (Li-ion). For the frst time, we show LBG as an electrode binder and compare to those of the most popular aqueous (CMC) and conventional (PVDF) binders. The electrodes were characterized using TGA/DSC, the galvanostatic charge–discharge cycle test, cyclic...

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