Fig. 5: Cycling performance of Si full cells assembled with the HM separator.
From: Mechanical shutdown of battery separators: Silicon anode failure
a Cycling performance of Si full cells containing the NCMA cathode (NCMA: 4.5 mAh cm−2, pure Si anode: 8.5 mAh cm−2) at a charge/discharge current rate of 1.0 C/0.5 C and voltage range of 3.2 − 4.25 V under the externally applied stack pressure of 100 kPa. b Changes in ionic conductivity as a function of cycle progress of Si full cell containing different separators (HM separator vs. PE separator). c Plot of Rb/Rct+SEI of Si full cells containing the HM separator and PE separator after the 200th, and 400th cycle. d Cross-sectional SEM images of cycled Si anode with PE separator (left side) and HM separator (right side). e Schematic illustration of pouch type Si full cell under the application of high external stack pressure (800 kPa) f Cycling performance of Si full cell containing HM separator under the externally applied stack pressure of 800 kPa. g Comparison of the cell performances between this work and previously reported full cells with micro-sized Si anodes in terms of four parameters: cycle number of Si full cells (x-axis), areal capacity (y-axis), capacity retention (heatmap), and charge current density (diameter). The number assigned to each circle corresponds to the serial number in Supplementary Table 5 (refs. 9,13,26,27,28,29,30,31,32,33,34,35,36,37,38).
