Unveiling multifunctional synthetic boundaries for enhanced mechanical and electrochemical performance in densified thick composite electrodes.

Nyquist plots obtained from potentiostatic EIS revealed a clear trend of increasing ionic resistance ( R ion ) with decreasing conducting PILG boundary phase (Supplementary Fig. 24a and Table 6 ), resulting in reduced rate capability at increasing current densities from 1 to 5 mA cm −2 (Fig. 6a ).

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