Solvation-driven electrochemical actuation

A Boldini, Y Cha, M Porfiri - Physical review letters, 2021 - APS
… To illustrate the principles of solvation-driven actuation, we focus on cation-exchange
membranes, where negative coions are fixed to the polymer backbone and positive counterions …

SolvationDriven Actuation of Anion‐Exchange Membranes

N Ulbricht, A Boldini, C Bae… - Advanced Materials …, 2022 - Wiley Online Library
… need for experimental investigations about the actuation of anion-exchange membranes. …
of electrochemical actuation, but also they can enable new, enticing actuator concepts based …

A non-ideal solution theory for the mechanics and electrochemistry of charged membranes

A Boldini, M Porfiri - npj Computational Materials, 2022 - nature.com
… theory, we study the steady-state actuation of an ionic polymer actuator. Through a series of
… sets of parameters that have a dramatic effect on actuation. Our results unravel a significant …

Ion Solvation-Driven Liquid–Liquid Phase Separation in Divalent Electrolytes with Miscible Organic Solvents

Y Chen, J Ryu, JD Bazak, DT Nguyen… - The Journal of …, 2023 - ACS Publications
… It is worth mentioning that due to the complicated molecular interactions between cations,
anions, and mixed solvents, ion solvation-driven LLPS may be present in molecular conditions …

SolvationDriven Actuation of Anion‐Exchange Membranes (Adv. Mater. Interfaces 24/2022).

N Ulbricht, A Boldini, C Bae… - Advanced Materials …, 2022 - search.ebscohost.com
… ; solvation EN anion-exchange membranes electrochemistry electrolyte soft actuators
solvation 1 1 1 08/25/22 20220822 NES 220822 B Actuation of Anion-Exchange Membranes b In …

Experimental characterization of actuation of anion-exchange membranes in salt solution

N Ulbricht, A Boldini, C Bae… - … Polymer Actuators …, 2023 - spiedigitallibrary.org
… as electroactive polymer actuators in soft robotics and biomedical engineering, due to their
unique coupling between electrochemistry and mechanics. Actuation is generated by the …

From Bulk to Interface: Solvent Exchange Dynamics and Their Role in Ion Transport and the Interfacial Model of Rechargeable Magnesium Batteries

Y Chen, R Atwi, DT Nguyen, JD Bazak… - Journal of the …, 2024 - ACS Publications
… consistent with our NMR, electrochemistry, and cryogenic X-… to identify dissociative activation
(D) or associative activation (A… the D-mechanism activation for those cosolvent mixtures due …

Understanding Actuation in Ionic Polymer Metal Composites: From Physical Principles to Engineering Design

A Boldini - 2022 - search.proquest.com
actuators, but also improve our understanding of biological membranes and electrochemical
… 161 4.7 Physics of solvation-driven actuators. (a) Top view of the undeformed membrane, …

Inversion of solvent migration in charged membranes

A Boldini, M Porfiri - Physical Review Letters, 2021 - APS
… We propose a model of the electrochemistry in the … actuators neutralized by large ions [57].
In the Supplemental Material [42], we demonstrate that an extension of our model to actuators

The role of cations on contactless actuation of perfluorinated ionomer membranes in salt solution

A Boldini, Y Cha, M Porfiri - … Actuators and Devices (EAPAD) …, 2021 - spiedigitallibrary.org
Electrochemical and actuation properties of IPMCs are strongly influenced by the nanostructure
of the ionomer-electrode interface, 11, 12 which cannot be controlled in standard IPMC …