Abstract
In this work, Na0.64Ni0.31Mn0.68O2 was synthesized via the glycine-nitrate combustion synthesis method and investigated as positive electrode material in sodium-ion batteries. Na-, Ni- and Mn-based layered oxide positive electrode materials are prone to capacity fade. In this study, boron was investigated as an additive to increase capacity retention. The physical properties of obtained positive electrode materials were characterized using XRD and XRF. The materials were electrochemically characterized using the galvanostatic charge-discharge method. In addition, the material with the highest initial capacity was further examined using the operando XRD method to characterize the changes in the material's crystal lattice in real-time during galvanostatic cycling.
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