A review on the distribution of relaxation times analysis: A powerful tool for process identification of electrochemical systems

C Plank, T Rüther, L Jahn, M Schamel… - Journal of Power …, 2024 - Elsevier
Abstract The Distribution of Relaxation Times (DRT) analysis gained considerable attention
for its ability to reveal detailed information about complex electrochemical processes without …

Quantitative analysis of internal polarization dynamics for polymer electrolyte membrane fuel cell by distribution of relaxation times of impedance

H Yuan, H Dai, P Ming, X Wang, X Wei - Applied Energy, 2021 - Elsevier
Investigating and interpreting each internal polarization dynamics that occurs in the polymer
electrolyte membrane fuel cell is significant. Traditional equivalent circuit model fitting by …

Oxygen electrode degradation in solid oxide cells operating in electrolysis and fuel cell modes: LSCF destabilization and interdiffusion at the electrode/electrolyte …

F Monaco, D Ferreira-Sanchez, M Hubert… - International Journal of …, 2021 - Elsevier
Three long-term experiments have been performed in SOEC and SOFC modes at different
operating temperatures. The durability tests confirm a higher degradation in electrolysis …

[HTML][HTML] Electrochemical and degradation behaviour of single cells comprising Ni-GDC fuel electrode under high temperature steam-and co-electrolysis conditions

ID Unachukwu, V Vibhu, IC Vinke, RA Eichel… - Journal of Power …, 2023 - Elsevier
The present study investigates the electrochemical performance and degradation behaviour
of a Nickel-Gd 2 O 3 doped CeO 2 (Ni-GDC) electrode containing single cell under steam …

[HTML][HTML] Performance, electrochemical process analysis and degradation of gadolinium doped ceria as fuel electrode material for solid oxide electrolysis cells

J Uecker, ID Unachukwu, V Vibhu, IC Vinke… - Electrochimica …, 2023 - Elsevier
One major challenge that has to be solved to enable a market entry of solid oxide
electrolysis cells (SOECs) technology is the poor degradation behaviour caused by nickel …

[HTML][HTML] Electrochemical impedance analysis and degradation behavior of a Ni-GDC fuel electrode containing single cell in direct CO2 electrolysis

ID Unachukwu, V Vibhu, J Uecker, IC Vinke… - Journal of CO2 …, 2023 - Elsevier
The challenges of high degradation rate and significant carbon deposition, which are
common with Ni-YSZ electrodes, have shifted attention to other electrode materials with …

Detailed insight into processes of reversible solid oxide cells and stacks using DRT analysis

V Subotić, B Königshofer, Đ Juričić, M Kusnezoff… - Energy Conversion and …, 2020 - Elsevier
This study demonstrates applicability of the distribution of relaxation times (DRT)
methodology to reveal more precise analysis of processes that occur in solid-oxide fuel …

Robust and fast estimation of equivalent circuit model from noisy electrochemical impedance spectra

H Li, Z Lyu, M Han - Electrochimica Acta, 2022 - Elsevier
Abstract The Equivalent Circuit Model (ECM) is a powerful technique to quantitatively
analyze and compare Electrochemical Impedance Spectroscopy (EIS) data. In practice …

Investigation of the degradation of proton exchange membrane water electrolysis cells using electrochemical impedance spectroscopy with distribution of relaxation …

BS Batalla, J Bachmann, C Weidlich - Electrochimica Acta, 2024 - Elsevier
Reduction of catalyst loading on Proton Exchange Membrane (PEM) Electrolysis Cells (EC)
is needed because of scarcity and high price of the catalyst. Monitoring the degradation of …

Biogas trace compounds impact on high-temperature fuel cells short stack performance

D Papurello, S Silvestri, S Modena - International Journal of Hydrogen …, 2021 - Elsevier
Nowadays the most important issues for commercial SOFC systems are related to their
durability and stability of performance both of which are affected by fuel feeding composition …