- Achieving High‐Capacity Cathode Presodiation Agent Via Triggering Anionic Oxidation Activity in Sodium Oxide

Characterization of Na2O‐based high capacity presodiation agent. a) Voltage profile for (Na2O + NiO) composite cathode at 10 mA g⁻¹ with a 4.5 V upper cutoff potential; the inset shows the pure Na2O cathode capacity (<15 mAh g⁻¹) at cutoff 4.5 V. b) Schematic illustration of the preparation procedure of NNO composite presodiation agent by high‐energy ball milling. c) sXRD pattern and d) NPD pattern of NNO presodiation agent and the results of fitting via Rietveld refinement. e) The density of states (DOS) of Na2O (top) and Ni–Na2O (bottom). f) Gibbs free energy diagrams during the pure Na2O and Ni–Na2O decomposition process.

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Achieving High‐Capacity Cathode Presodiation Agent Via Triggering Anionic Oxidation Activity in Sodium Oxide - Scientific Figure on ResearchGate. Available from: https://www.researchgate.net/figure/Characterization-of-Na2O-based-high-capacity-presodiation-agent-a-Voltage-profile-for_fig1_382422168 [accessed 12 Dec 2024]

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Characterization of Na2O‐based high capacity presodiation agent. a) Voltage profile for (Na2O + NiO) composite cathode at 10 mA g⁻¹ with a 4.5 V upper cutoff potential; the inset shows the pure Na2O cathode capacity (<15 mAh g⁻¹) at cutoff 4.5 V. b) Schematic illustration of the preparation procedure of NNO composite presodiation agent by high‐energy ball milling. c) sXRD pattern and d) NPD pattern of NNO presodiation agent and the results of fitting via Rietveld refinement. e) The density of states (DOS) of Na2O (top) and Ni–Na2O (bottom). f) Gibbs free energy diagrams during the pure Na2O and Ni–Na2O decomposition process.

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<a href="https://www.researchgate.net/figure/Characterization-of-Na2O-based-high-capacity-presodiation-agent-a-Voltage-profile-for_fig1_382422168"><img src="https://www.researchgate.net/publication/382422168/figure/fig1/AS:11431281278553514@1726667456418/Characterization-of-Na2O-based-high-capacity-presodiation-agent-a-Voltage-profile-for.png" alt="Characterization of Na2O‐based high capacity presodiation agent. a) Voltage profile for (Na2O + NiO) composite cathode at 10 mA g⁻¹ with a 4.5 V upper cutoff potential; the inset shows the pure Na2O cathode capacity (<15 mAh g⁻¹) at cutoff 4.5 V. b) Schematic illustration of the preparation procedure of NNO composite presodiation agent by high‐energy ball milling. c) sXRD pattern and d) NPD pattern of NNO presodiation agent and the results of fitting via Rietveld refinement. e) The density of states (DOS) of Na2O (top) and Ni–Na2O (bottom). f) Gibbs free energy diagrams during the pure Na2O and Ni–Na2O decomposition process."/></a>