Proton solvation and transport in hydrated nafion

S Feng, GA Voth - The Journal of Physical Chemistry B, 2011 - ACS Publications
Proton solvation properties and transport mechanisms have been studied in hydrated Nafion
using the self-consistent multistate empirical valence bond (SCI-MS-EVB) method that …

Characterization of the solvation and transport of the hydrated proton in the perfluorosulfonic acid membrane nafion

MK Petersen, GA Voth - The Journal of Physical Chemistry B, 2006 - ACS Publications
The solvation and transport properties of the sulfonate− hydronium ion pair have been
studied in hydrated Nafion through molecular dynamics simulation. Explicit proton and …

Role of presolvation and anharmonicity in aqueous phase hydrated proton solvation and transport

R Biswas, YLS Tse, A Tokmakoff… - The Journal of Physical …, 2016 - ACS Publications
Results from condensed phase ab initio molecular dynamics (AIMD) simulations suggest a
proton transfer reaction is facilitated by “presolvation” in which the hydronium is transiently …

Effect of elevated temperatures on the states of water and their correlation with the proton conductivity of Nafion

MA Barique, E Tsuchida, A Ohira, K Tashiro - ACS omega, 2018 - ACS Publications
For the first time, we report the effects of elevated temperatures, from 80 to 100° C, on the
changes in the states of water and ion–water channels and their correlation with the proton …

Excess proton solvation and delocalization in a hydrophilic pocket of the proton conducting polymer membrane Nafion

MK Petersen, F Wang, NP Blake, H Metiu… - The Journal of …, 2005 - ACS Publications
Solvation properties of the hydrated excess proton are studied in a hydrophilic pocket of
Nafion 117 through a series of molecular dynamics simulations. The multistate empirical …

The curious case of the hydrated proton

C Knight, GA Voth - Accounts of chemical research, 2012 - ACS Publications
Understanding the hydrated proton is a critically important problem that continues to engage
the research efforts of chemists, physicists, and biologists because of its involvement in a …

Structure and energetics of the hydronium hydration shells

O Markovitch, N Agmon - The Journal of Physical Chemistry A, 2007 - ACS Publications
Proton solvation and proton mobility are both subjects of great interest in chemistry and
biology. Here we have studied the hydration shells of H3O+ at temperatures ranging from …

Mechanisms of proton transfer in Nafion®: elementary reactions at the sulfonic acid groups

K Sagarik, M Phonyiem, C Lao-Ngam… - Physical Chemistry …, 2008 - pubs.rsc.org
Proton transfer reactions at the sulfonic acid groups in Nafion® were theoretically studied,
using complexes formed from triflic acid (CF3SO3H), H3O+ and H2O, as model systems …

Molecular modeling of structure and dynamics of Nafion protonation states

S Sengupta, AV Lyulin - The Journal of Physical Chemistry B, 2019 - ACS Publications
We present the results of the atomistic molecular dynamics modeling of different protonation
states of Nafion at varying hydration levels. Previous experiments have shown that the …

An improved multistate empirical valence bond model for aqueous proton solvation and transport

Y Wu, H Chen, F Wang, F Paesani… - The Journal of Physical …, 2008 - ACS Publications
A new multistate empirical valence bond model (MS-EVB3) is developed for proton solvation
and transport in aqueous solutions. The new model and its quantum version (qMS-EVB3) …