Fig. 6: Post-mortem analysis.
From: High-performance Na3V2(PO4)3/C cathode for efficient low-temperature lithium-ion batteries

EDS mapping of NVP/C//Li after cycling at (a) RT and (c) −20 °C. (c) HRTEM images of NVP/C//Li after cycling at (b) RT and (d) −20 °C with FFT pattern.