Fig. 5: Better electrochemical performance for evaporated lithium compared to extruded lithium in full cells.
From: High performance ultra-thin lithium metal anode enabled by vacuum thermal evaporation

Mean first coulombic efficiency, error bars indicate the standard deviation, over at least three cells (a). Galvanostatic charge/discharge curves for the 1st, 50th, and 100th cycle with NMC622 cathode in carbonates electrolyte (b). Galvanostatic charge/discharge curves for the 1st, 250th, and 500th cycle with LFP cathode in ether electrolyte (c). Discharge capacity and Coulombic efficiency at a current density of 1 mA.cm−2 using 2.0 mAh.cm−2 NMC622 cathode in carbonate electrolyte (d). Discharge capacity and Coulombic efficiency at a current density of 1 mA.cm−2 using 1.25 mAh.cm−2 LFP cathode in ether electrolyte (e).