fig1

Ionogels: materials design, properties, and emerging applications in advanced electrochemical and bioelectronic systems

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.