fig1
Figure 1. Emerging applications of ionogels. (A) Bioinspired SWIGE for EEG signal acquisition and applications (Reproduced with permission from ref.[25], Copyright 2026, Wiley-VCH GmbH); (B) Schematic illustrating the key characteristics of ionogel and eutectogel suitable for EEG and EMG signal recording (adapted from ref [29], under the CC BY 4.0 license; modifications were made to the original figure); (C) Schematic illustration of the flexible battery (Reproduced with permission from ref.[30], Copyright 2021, RSC); (D) Photograph of the soft gripper, base-only (center), actuation at inflation pressure of 140 kPa (Reproduced with permission from ref.[31], Copyright 2019, IEEE); (E) Schematic diagram of BMIMBF4-gel-electrolyte-based actuator based on an ion transfer mechanism (reproduced as a cropped excerpt from ref.[32], under the CC BY-NC-ND 4.0 license; the depicted content was not altered); (F) Visual Abstract (reproduced as a cropped excerpt from ref.[33], under the CC BY 4.0 license; the depicted content was not altered). EEG: Electroencephalography; EMG: electromyography; SWIGE: self-wetting ionogel electrode.



