How the distribution of relaxation times enhances complex equivalent circuit models for fuel cells

S Dierickx, A Weber, E Ivers-Tiffée - Electrochimica Acta, 2020 - Elsevier
Distribution of relaxation times (DRT) is a well-established method for deconvoluting
electrochemical impedance spectroscopy (EIS) data from fuel cells. DRT-analysis provides a …

Advancing electrochemical impedance analysis through innovations in the distribution of relaxation times method

A Maradesa, B Py, J Huang, Y Lu, P Iurilli, A Mrozinski… - Joule, 2024 - cell.com
Electrochemical impedance spectroscopy (EIS) is widely used in electrochemistry, energy
sciences, biology, and beyond. Analyzing EIS data is crucial, but it often poses challenges …

Evaluating the potential of distribution of relaxation times analysis for plant agriculture

M Van Haeverbeke, B De Baets, M Stock - Computers and Electronics in …, 2023 - Elsevier
The analysis of a Distribution of Relaxation Times (DRT) has proven to be extremely
effective for the study of electrochemical power sources. Biological systems are non …

Combining the distribution of relaxation times from EIS and time-domain data for parameterizing equivalent circuit models of lithium-ion batteries

L Wildfeuer, P Gieler, A Karger - Batteries, 2021 - mdpi.com
Equivalent circuit models (ECMs) are a widely used modeling approach for lithium-ion
batteries in engineering applications. The RC elements, which display the dynamic loss …

Optimization and application of the distribution of relaxation times based on characteristic frequency resolution and hyperparameters

D Zhu, T Ma, Y Yang - Journal of Power Sources, 2022 - Elsevier
Distribution of relaxation times (DRT) is a promising method for interpreting electrochemical
impedance spectroscopy (EIS) data. Contemporary studies have made significant progress …

Improving the frequency resolution of distribution of relaxation times by integrating elastic net regularization and quantum particle swarm optimization

L Lei, Q Zheng, L Dong, Y Mo, C Wang, J Zhang… - International Journal of …, 2024 - Elsevier
The distribution of relaxation times (DRT) method is an efficient approach for analyzing
electrochemical impedance spectroscopy (EIS) of fuel cells. However, facing …

[HTML][HTML] Fabrication of 3D NiO-YSZ structures for enhanced performance of solid oxide fuel cells and electrolysers

I Jang, GH Kelsall - Electrochemistry Communications, 2022 - Elsevier
Increasing densities of (electrode–electrolyte-pore) triple phase boundaries (TPBs)/reaction
sites enhance performances of solid oxide electrochemical reactors (SOERs) in both fuel …

Unraveling the effects of asymmetric interfaces in three-dimensional solid oxide fuel cells

YG Goh, JH Kim, H Kim, SS Shin - Journal of Materials Chemistry A, 2024 - pubs.rsc.org
The three-dimensional (3D) structuring of interfaces in solid oxide fuel cells (SOFCs) is a
valuable morphological approach that maximizes the reaction area and ion transfer …

Direct access to the optimal regularization parameter in distribution of relaxation times analysis

N Schlüter, S Ernst, U Schröder - ChemElectroChem, 2020 - Wiley Online Library
The distribution of times (DRT) method has become an important extension for
electrochemical impedance investigations. Calculating the DRT is particularly advantageous …

Deconvoluting the distribution of relaxation times for charge transport descriptors in solid state deep eutectic electrolytes

A Halilu, MA Hashim - Journal of Power Sources, 2024 - Elsevier
A solid-state deep eutectic electrolyte supported by cross-linked polyvinyl alcohol (PVA) and
sulphur succinic acid (SSA), functionalized with sodium (Na) groups, is a promising …