Microstructure Evolution Analysis of Ni/YSZ Cermet Electrode using Cross-Sectional Model Cells DOI Creative Commons

Nanako Bisaka,

Takashi Sato, Riyan Achmad Budiman

et al.

Journal of The Electrochemical Society, Journal Year: 2024, Volume and Issue: 171(10), P. 104510 - 104510

Published: Oct. 1, 2024

Degradation of solid oxide cells can be partially attributed to the microstructural changes in Ni/YSZ fuel electrodes owing Ni migration. This study aims evaluate evolution as a function oxygen potential along thickness direction. To this end, comb-shaped Ni-patterned were designed on top layer YSZ thin film using two different systems: (a) symmetrical electrode and (b) an asymmetrical Ni–Pt with reference electrode. In electrode, one side operated at cell (FC) mode, exhibiting expansion that led increase triple-phase boundary (TPB) length decrease electrolyte width. Conversely, electrolysis (EC) mode showed slight migration away from electrolyte. Detailed EC examined revealing correlation between water vapor content morphology. The results suggest important points: 1. amount adsorbed surface causes wettability due potential; 2. microstructure change across is affected by distribution potential.

Language: Английский

Evolution and Reconstruction of Air‐Electrode Surface Composition in Reversible Protonic Ceramic Cells: Mechanisms, Impacts on Catalytic Performance, and Optimization Strategies – A Review DOI Creative Commons
Nai Shi, Yun Xie, Moses O. Tadé

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 5, 2025

Abstract Reversible protonic ceramic cells (R‐PCCs) are at the forefront of electrochemical conversion devices, capable reversibly and efficiently converting chemical energy into electricity intermediate temperatures (350–700 °C) with zero carbon emissions. However, slow surface catalytic reactions air‐electrode often hinder their performance durability. The electrode is not merely an extension bulk structure, equilibrium reconstruction can lead to significantly different crystal‐plane terminations morphologies, which influenced by material's intrinsic properties external reaction conditions. Understanding evolution elevated in water‐containing, oxidative atmospheres presents significant importance. In this review, a comprehensive summary recent processes applying advanced characterization techniques for high‐temperature surfaces provided, exploring correlations between fluctuations examining structural various associated degradation activation phenomena, offering insights impact on performance. Furthermore, reported strategies advances enhancing R‐PCCs through engineering discussed. This review offers valuable expected guide future developments catalysis, solid‐state ionics, materials.

Language: Английский

Citations

2
Ammonia to power: Advancing direct ammonia solid oxide fuel cells through experimental and theoretical studies DOI Creative Commons
Omer Elmutasim, Sarbjit Giddey, Dattatray S. Dhawale

et al.

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 96, P. 192 - 209

Published: Nov. 23, 2024

Language: Английский

Citations

7
Ni-SDC nanoparticles decorated Ni-YSZ fuel electrode for SOEC: A comprehensive strategy to optimize performance, syngas composition and stability for H2O-CO2 co-electrolysis DOI

Shuidan Gu,

Hu Shiming,

Caichen Yang

et al.

Fuel, Journal Year: 2025, Volume and Issue: 389, P. 134600 - 134600

Published: Feb. 10, 2025

Language: Английский

Citations

0
Study on Ni-ceramic cathode degradation in H2O electrolysis using a two-dimensional patterned cell DOI Creative Commons
Xiaolin Shao, Riyan Achmad Budiman, Takashi Sato

et al.

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 120, P. 201 - 212

Published: March 27, 2025

Language: Английский

Citations

0
Optimizing Ni-YSZ microstructure through anodic aluminum oxide substrate pore size modulation for enhanced reversible solid oxide cell performance DOI
Sanghoon Lee,

Jaewon Hwang,

Wonjong Yu

et al.

Surface and Coatings Technology, Journal Year: 2025, Volume and Issue: unknown, P. 132130 - 132130

Published: April 1, 2025

Citations

0
Microstructure Evolution Analysis of Ni/YSZ Cermet Electrode using Cross-Sectional Model Cells DOI Creative Commons

Nanako Bisaka,

Takashi Sato, Riyan Achmad Budiman

et al.

Journal of The Electrochemical Society, Journal Year: 2024, Volume and Issue: 171(10), P. 104510 - 104510

Published: Oct. 1, 2024

Degradation of solid oxide cells can be partially attributed to the microstructural changes in Ni/YSZ fuel electrodes owing Ni migration. This study aims evaluate evolution as a function oxygen potential along thickness direction. To this end, comb-shaped Ni-patterned were designed on top layer YSZ thin film using two different systems: (a) symmetrical electrode and (b) an asymmetrical Ni–Pt with reference electrode. In electrode, one side operated at cell (FC) mode, exhibiting expansion that led increase triple-phase boundary (TPB) length decrease electrolyte width. Conversely, electrolysis (EC) mode showed slight migration away from electrolyte. Detailed EC examined revealing correlation between water vapor content morphology. The results suggest important points: 1. amount adsorbed surface causes wettability due potential; 2. microstructure change across is affected by distribution potential.

Language: Английский

Citations

1