4.

Ionogel-based sensory platforms. (a) Schematic diagram of the sensing mechanism of the ionogel, showing ion migration as charge carriers under an external electric field. Reproduced with permission from ref . Copyright 2023 Elsevier. (b) Ultrastretchable ionoskins based on binary polymer blend and real-time monitoring of elbow motions. Reproduced from ref . Copyright 2022 American Chemical Society. Schematic illustration of the pressure-sensing mechanism with (c) micropyramid structures and (d) porous ionogels. Reproduced with permission from ref . Copyright 2021 The American Association for the Advancement of Science. Reproduced from ref . Copyright 2021 American Chemical Society. (e) Conceptual illustrations of thermo-response phase transition of the ionogel and the independent detection of thermal change and mechanical deformation using stimuli-responsive ionoskins. Reproduced with permission from ref . Copyright 2023 Wiley-VCH.