Direct observation of ion dynamics in supercapacitor electrodes using in situ diffusion NMR spectroscopy

AC Forse, JM Griffin, C Merlet, J Carretero-Gonzalez… - Nature Energy, 2017 - nature.com
situ pulsed field gradient (PFG) NMR approach can be used to measure ionic diffusion in
the nanopores of supercapacitor electrodes… Confinement results in reductions in self-diffusion

NMR study of ion dynamics and charge storage in ionic liquid supercapacitors

AC Forse, JM Griffin, C Merlet, PM Bayley… - Journal of the …, 2015 - ACS Publications
… Instead, we opted for an ex situ approach, where resolution … of supercapacitor cells comprising
Pyr 13 TFSI ionic liquid to … , we find ionic liquids with faster in-pore ionic diffusion allow …

Direct observation of ion dynamics in supercapacitor electrodes using diffusion NMR spectroscopy

AC Forse, JM Griffin, C Merlet, J Carretero Gonzalez… - 2017 - repository.cam.ac.uk
situ pulsed field gradient (PFG) NMR approach can be used to measure ionic diffusion in
the nanopores of supercapacitor electrodes… Confinement results in reductions in self-diffusion

In situ NMR spectroscopy of supercapacitors: insight into the charge storage mechanism

H Wang, AC Forse, JM Griffin, NM Trease… - Journal of the …, 2013 - ACS Publications
… Indeed, NMR uniquely allows the direct observation of the … from diffusion of ions in and out
of the NMR detection region. … dynamics study of a supercapacitor comprising porous carbon …

Revealing the impact of hierarchical pore organization in supercapacitor electrodes by coupling ionic dynamics at micro‐and macroscales

M Dvoyashkin, D Leistenschneider… - Advanced Energy …, 2021 - Wiley Online Library
ionic dynamics inside pores of carbons may lead to diffusion … PFG NMR with EIS in a
complementary way. By doing so, the … supports an observation made by Forse et al. using in situ

Ion counting in supercapacitor electrodes using NMR spectroscopy

JM Griffin, AC Forse, H Wang, NM Trease… - Faraday …, 2014 - pubs.rsc.org
… confirm that anions are in dynamic equilibrium between the in… used to observe and quantify
ion diffusion and concentration … the in situ NMR methodology for the study of supercapacitors, …

In Situ Magnetic Resonance Imaging of a Complete Supercapacitor Giving Additional Insight on the Role of Nanopores

G Oukali, E Salager, MR Ammar, CE Dutoit… - ACS …, 2019 - ACS Publications
… provide in situ ionic fluxes and dynamics in electrodes under … In this paper, we opt for an
MRI method dedicated to … NMR studies of adsorption and diffusion in porous carbonaceous …

Ion dynamics in porous carbon electrodes in supercapacitors using in situ infrared spectroelectrochemistry

FW Richey, B Dyatkin, Y Gogotsi… - Journal of the american …, 2013 - ACS Publications
dynamics in carbon electrodes of EDLCs, including NMR … In this work, we present results
on the ion dynamics of an IL … an effective diffusion coefficient of 1.2 × 10 –10 m 2 /s for the ions

In Situ Solid-State NMR Spectroscopy of Electrochemical Cells: Batteries, Supercapacitors, and Fuel Cells

F Blanc, M Leskes, CP Grey - Accounts of chemical research, 2013 - ACS Publications
use of in situ solid-state NMR spectroscopy, a technique that probes local structure and
dynamics… 4 – ions from the electrode and diffusion of the ions to the side of the cell outside of the …

Understanding electrochemical capacitors with in-situ techniques

B Pal, A Yasin, R Kaur, M Tebyetekerwa… - … and Sustainable Energy …, 2021 - Elsevier
supercapacitors or ultracapacitors, storing charges (energy) electrochemically at an … Both
ex-situ and in-situ NMR have been employed to study the electrolyte, electrolyte ion diffusion