Unveiling Potential of Gallium Ferrite (GaFeO3) as an Anode Material for Lithium-Ion Batteries
Mohan K. Bhattarai, Shweta Shweta, Moses D. Ashie, Shivaraju Guddehalli Chandrappa, Birendra Ale Magar, Bishnu P. Bastakoti, Ubaldo M. Córdova Figueroa, Ram S. Katiyar, Brad R. Weiner, Gerardo Morell
TL;DR
This paper explores gallium ferrite (GaFeO3) as a promising anode material for lithium-ion batteries, showing high capacity and stability.
Contribution
The study introduces gallium ferrite (GaFeO3) as a novel alloy-conversion-based anode material for lithium-ion batteries.
Findings
GFO exhibits a high discharge capacity of ∼887 mA h g–1 and retains ∼200 mA h g–1 over 450 cycles.
Cyclic voltammetry and DFT studies confirm an alloy-conversion mechanism and Li-ion diffusion pathways in GFO.
Abstract
Lithium-ion batteries (LIBs) serve as the backbone of modern technologies with ongoing efforts to enhance their performance and sustainability driving the exploration of new electrode materials. This study introduces a new type of alloy-conversion-based gallium ferrite (GFO: GaFeO3) as a potential anode material for Li-ion battery applications. The GFO was synthesized by a one-step mechanochemistry-assisted solid-state method. The powder X-ray diffraction analysis confirms the presence of an orthorhombic phase with the Pc21n space group. The photoelectron spectroscopy studies reveal the presence of Ga3+ and Fe3+ oxidation states of gallium and iron atoms in the GFO structure. The GFO was evaluated as an anode material for Li-ion battery applications, displaying a high discharge capacity of ∼887 mA h g–1 and retaining a stable capacity of ∼200 mA h g–1 over 450 cycles, with a Coulombic…
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Taxonomy
TopicsAdvancements in Battery Materials · Semiconductor materials and interfaces · Ga2O3 and related materials