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Figure 16. Dynamic EDL probing reveals electrolyte-dependent interfacial ionic structures at dielectric solid-liquid interfaces developed by Wei et al. in 2025. Reprinted with permission from^[164] Copyright © 2025 Springer Nature. (A) S-L TENG-based triboelectric charge-transfer probing platform for operando characterization of EDLs formed in different electrolyte environments at dielectric solid-liquid interfaces; (B) Evolution of triboelectric signals with increasing electrolyte concentration for LiCl, Li[TFSI], and [EMIM]Cl, revealing distinct pathways of EDL reconstruction and interfacial charge regulation; (C-E) Proposed models of electrolyte-dependent EDL evolution, showing EDL compression in LiCl and charge inversion induced by ion-specific adsorption and mobility asymmetry in concentrated Li[TFSI] and [EMIM]Cl electrolytes.