Fig. 5: Electrochemical performance of DGM-based pouch cells.
From: Dual-gradient metal layer for practicalizing high-energy lithium batteries

a, b Cycle performance and optical image of 600 mAh DGM-based NCM90 | |Cu pouch cell operating between 3.0 and 4.4 V and the corresponding reference pouch cells (1 C = 240 mA g−1), and the cross-sectional SEM image of high-loading NCM90 cathode (32 mg cm−2). c Comparison of area capacity and cycled life in various NCM | |Cu cells using different modification methods for pouch cells. d, e Cycle performance of additional DGM-based NCM90 | |Cu cells. All electrochemical testing were conducted at 25 ± 1 °C (1 C = 240 mA g−1).