Fig. 7
From: Lithium recovery from mixed spent LFP-NMC batteries through atmospheric water leaching

Recovery of lithium from mixed LFP-NMC black mass at varying (a) ratios of NMC to LFP black mass (15 °C/min, 950 °C, 2 h) and (b) temperatures (NMC-LFP ratio 50%-50%, 15 °C/min, 2 h).