Combining EIS with in Situ TEM in Characterizing Solid Oxide Cell Components

2021 ◽  
Vol MA2021-02 (54) ◽  
pp. 1899-1899
Author(s):  
Waynah Lou Dacayan ◽  
Christodoulos Chatzichristodoulou ◽  
Zhongtao Ma ◽  
Wenjing Zhang ◽  
Kristian Speranza Mølhave ◽  
...  
Keyword(s):  
Solid Oxide ◽  
In Situ Tem ◽  
Cell Components ◽  
Solid Oxide Cell

scholarly journals In Situ TEM Analysis of a Symmetric Solid Oxide Cell in Oxygen and Vacuum – Cation Diffusion Observations

2017 ◽  
Vol 75 (42) ◽  
pp. 123-133
Author(s):  
Fabrizio Gualandris ◽  
Søren Bredmose Simonsen ◽  
Jakob Birkedal Wagner ◽  
Simone Sanna ◽  
Shunsuke Muto ◽  
...  
Keyword(s):  
Solid Oxide ◽  
In Situ Tem ◽  
Cation Diffusion ◽  
Tem Analysis ◽  
Solid Oxide Cell

scholarly journals Development of a diffuse reflectance infrared fourier transform spectroscopy (DRIFTS) cell for the in situ analysis of co-electrolysis in a solid oxide cell

2015 ◽  
Vol 182 ◽  
pp. 97-111 ◽  
Author(s):  
Denis J. Cumming ◽  
Christopher Tumilson ◽  
S. F. Rebecca Taylor ◽  
Sarayute Chansai ◽  
Ann V. Call ◽  
...  
Keyword(s):  
Fourier Transform ◽  
Diffuse Reflectance ◽  
Fourier Transform Spectroscopy ◽  
Transport Processes ◽  
Solid Oxide ◽  
Electrochemical Measurements ◽  
Ex Situ ◽  
Diffuse Reflectance Infrared ◽  
Solid Oxide Cell

Co-electrolysis of carbon dioxide and steam has been shown to be an efficient way to produce syngas, however further optimisation requires detailed understanding of the complex reactions, transport processes and degradation mechanisms occurring in the solid oxide cell (SOC) during operation. Whilst electrochemical measurements are currently conducted in situ, many analytical techniques can only be used ex situ and may even be destructive to the cell (e.g. SEM imaging of the microstructure). In order to fully understand and characterise co-electrolysis, in situ monitoring of the reactants, products and SOC is necessary. Diffuse Reflectance Infrared Fourier Transform Spectroscopy (DRIFTS) is ideal for in situ monitoring of co-electrolysis as both gaseous and adsorbed CO and CO2 species can be detected, however it has previously not been used for this purpose. The challenges of designing an experimental rig which allows optical access alongside electrochemical measurements at high temperature and operates in a dual atmosphere are discussed. The rig developed has thus far been used for symmetric cell testing at temperatures from 450 °C to 600 °C. Under a CO atmosphere, significant changes in spectra were observed even over a simple Au|10Sc1CeSZ|Au SOC. The changes relate to a combination of CO oxidation, the water gas shift reaction, carbonate formation and decomposition processes, with the dominant process being both potential and temperature dependent.

scholarly journals A Ferric-Air Battery base on Solid Oxide Fuel Cell for Electrical Energy Storage

2013 ◽  
Vol 16 (4) ◽  
pp. 257-262 ◽  
Author(s):  
Ting Luo ◽  
Shaorong Wang ◽  
Le Shao ◽  
Jiqing Qian ◽  
Xiaofeng Ye ◽  
...  
Keyword(s):  
Energy Storage ◽  
Electrical Energy ◽  
Solid Oxide ◽  
Active Materials ◽  
Electrical Energy Storage ◽  
Redox Active ◽  
Air Battery ◽  
Solid Oxide Cell ◽  
Excellent Stability

We report a ferric-air, solid oxide battery that consists of a tubular solid oxide cell with Ca(OH)2/CaO dispersed Fe/FeOx powders integrated as the redox-active materials in the fuel chamber. The key feature here is the use of Ca(OH)2 to prevent agglomeration and coarsening of Fe/FeOx powders, and more importantly to enable in situ production of H2/H2O as the electrochemical active redox couple in the fuel electrode. The proof-of-concept solid oxide battery exhibits an energy capacity of 144 Wh kg-1-Fe at a ferric utilization of 18.8% and excellent stability in ten discharge/charge cycles with a voltage efficiency of 83% that have great potential for improvement. These results showed encouraging promise of the ferric-air, solid oxide batteries for electrical energy storage applications.

In-situ Cu-doped MnCo-spinel coatings for solid oxide cell interconnects processed by electrophoretic deposition

2019 ◽  
Vol 45 (15) ◽  
pp. 19148-19157 ◽  
Author(s):  
A.G. Sabato ◽  
S. Molin ◽  
H. Javed ◽  
E. Zanchi ◽  
A.R. Boccaccini ◽  
...  
Keyword(s):  
Electrophoretic Deposition ◽  
Solid Oxide ◽  
Solid Oxide Cell
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