Novel High-Pressure Nanocomposites for Cathode Materials in Sodium Batteries

The result of Differential Thermal Analysis, X-Ray Diffraction and Broadband Dielectric Studies studies of sodium phosphoolivine (NaFePO4) based glass after High-Presure (up to 1GPa) High-Temperature treatment and control sample measurements.All files provided are in ASCII text with tab separated columns and header lines.The names (and comments therein) of datafiles correspond to figure (and subfigures/series) numbering in paper: Szpakiewicz-Szatan, A.; Starzonek, S.; Pietrzak, T.K.; Garbarczyk, J.E.; Rzoska, S.J.; Boćkowski, M. Novel High-Pressure Nanocomposites for Cathode Materials in Sodium Batteries. Nanomaterials 2023, 13, 164. https://doi.org/10.3390/nano13010164 Files included in collection:Fig1.dat - thermal and pressure data of HPHT treated sample.Fig2.dat - DTA runs of various NaFePO4 based samples.Fig3.dat - ambient pressure, room temperature XRD patterns of various NaFePO4 based samples.Fig4.dat - Temperature dependency of electrical conductivity of NaFePO4 before and after HPHT treatment. Fig5.dat - Resolved spectra of the imaginary part of the electric modulus for the studied samples before and after HPHT treatment at 298 and 393 K.Fig6.dat - Resolved spectra of the imaginary part of the electric modulus for the studied samples before HPHT (measured at 408 K) and after HPHT treatment (measured at 248 K).Fig7.dat - Temperature dependencies of of relaxation time for various processes revealed in measurements of electric modulus, before and after HPHT treatment.