Fig. 5: Application of ZPE to ASSBs. | Nature Communications

Fig. 5: Application of ZPE to ASSBs.

From: Conflicting entropy-driven zwitterionic dry polymer electrolytes for scalable high-energy all-solid-state batteries

Fig. 5: Application of ZPE to ASSBs.

a Voltage profiles of the Li||Li symmetric cells with ZPE (vs. ZP/LiBETI) at a current density of 0.2 mA cm−2 and a capacity of 0.2 mAh cm−2. b LEIS area scan images of the cycled Cu foils assembled with ZPE (vs. ZP/LiBETI) in the asymmetric Cu||Li symmetric cells after 20 cycles. c Rate capability of the Li‖NCM811 (areal capacity = 2.5 mAh cm–2) cells with ZPE (vs. ZP/LiBETI), in which the discharge current densities were varied from 0.25 mA cm−2 (=0.1 C) to 2.0 mA cm−2 (=5.0 C) at a fixed charge current density of 0.25 mA cm−2. d–f Charge/discharge profiles of the ASSBs (n-ZPE as an ion-conducting separator and ZPE as a solid catholyte) with different positive electrodes (areal capacity = 4.0 mAh cm–2): Li‖NCM811 (d), Li‖LFP (e), and Li‖LLO (f) at a charge/discharge current density of 0.4 mA cm−2/0.4 mA cm−2 at 25 °C.

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