Using distribution of relaxation times to separate the impedances in the membrane electrode assembly for high-temperature polymer electrolyte membrane fuel cells

DH Kim, HS Jung, DH Kim, C Pak - International Journal of Hydrogen …, 2024‏ - Elsevier
In the membrane electrode assembly (MEA) of high-temperature polymer electrolyte
membrane fuel cells (HT-PEMFCs), many types of resistance existed, but they have not …

[HTML][HTML] Exploring hydration of air electrodes for protonic ceramic cells: a review

H Di, Z Liu, M **ao, Y Bai, G Yang, Z Luo… - Chemical Engineering …, 2025‏ - Elsevier
Protonic ceramic cells (PCCs) are promising candidates for efficient energy transformation
and storage at intermediate temperatures. However, the sluggish kinetics of conventional air …

Enhancement of performance and sulfur tolerance of ceria-based fuel electrodes in low temperature SOFC

F Kullmann, A Schwiers, M Juckel… - Journal of The …, 2024‏ - iopscience.iop.org
The trend of operating the solid oxide fuel cell at significantly lower operation temperatures
enables the application of electrodes with finer microstructure or even nanostructured …

Electrochemical Impedance Spectroscopy as a Characterization Method for Enzymatic Fuel Cell Bioanodes

F Torrigino, M Nagel, M Hartmann… - …, 2024‏ - Wiley Online Library
Enzymatic fuel cells (EFCs) offer renewable energy conversion via highly selective electrode
reactions using enzymes as natural catalysts even under mild conditions. Electrochemical …

Transforming an Ionic Conductor into an Electronic Conductor via Crystallization: In Situ Evolution of Transference Numbers and Structure in (La,Sr)(Ga,Fe)O3‐x …

HB Buckner, J Simpson‐Gomez… - Advanced Functional …, 2024‏ - Wiley Online Library
Mixed‐conducting perovskites are workhorse electrochemically active materials, but typical
high‐temperature processing compromises their catalytic activity and chemo‐mechanical …

High performance thermal expansion offset LSCF-SZM cathodes of IT-SOFCs

M Li, F Lu, R Cui, L Shi, J Wang, H He, J Su, B Cai - Solid State Ionics, 2024‏ - Elsevier
One big risk for commercial solid oxide fuel cells (SOFCs) is the potential delamination
between cathode and electrolyte layers. It can be effectively alleviated by the thermal …

Evaluation of Polymetallic Phosphide Cathodes for Sodium-Air Batteries by Distribution of Relaxation Time

J Chen, H Zhang, F Yu, Y Chen - ACS Applied Materials & …, 2024‏ - ACS Publications
Sodium-oxygen batteries are emerging as a new energy storage system because of their
high energy density and low cost. However, the cycling performance of the battery is not …

Electrochemical Characterization of Nickel/Gadolinia Doped Ceria Fuel Electrodes under H2/H2O/CO/CO2-Atmospheres

D Esau, C Grosselindemann, SP Sckuhr… - Journal of The …, 2024‏ - iopscience.iop.org
Modelling of the co-electrolysis process requires understanding of the underlying reaction
pathways under H 2/H 2 O/CO/CO 2-atmospheres. These include the electrochemical steam …

Impact of CeCo-Coated Metallic Interconnectors on SOCs Towards Performance, Cr-Oxide-Scale, and Cr-Evaporation

C Grosselindemann, MJ Reddy… - Journal of The …, 2024‏ - iopscience.iop.org
The performance of a solid oxide cell (SOC) depends on the operating environment.
Regarding single cell tests with ideal contacting (gold, platinum, nickel meshes) and inert …

[HTML][HTML] Impact of nickel on the surface reaction in ceria-based electrodes for solid oxide cells

F Kullmann, D Esau, K Limbeck, S Dierickx… - Journal of Power …, 2025‏ - Elsevier
Nickel/ceria composites as fuel electrodes in solid oxide cells have been in focus of
research and development for many years. The mixed ionic electronic conductivity and the …