Measurement of hydrogen and oxygen chemical potential in yttria doped barium cerate (BCY) electrolyte of anode-supported protonic ceramic fuel cells

2014 ◽  
Vol 39 (29) ◽  
pp. 16576-16584 ◽  
Author(s):  
Myung Geun Jung ◽  
Young Jin Kim ◽  
Yeon-Gil Jung ◽  
Hyung-Tae Lim
Keyword(s):  
Fuel Cells ◽  
Chemical Potential ◽  
Barium Cerate ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells ◽  
Doped Barium Cerate ◽  
Oxygen Chemical Potential

Micro ceramic fuel cells with multilayered yttrium-doped barium cerate and zirconate thin film electrolytes

2014 ◽  
Vol 248 ◽  
pp. 1163-1169 ◽  
Author(s):  
Kiho Bae ◽  
Dong Young Jang ◽  
Ho Jean Jung ◽  
Jun Woo Kim ◽  
Ji-Won Son ◽  
...  
Keyword(s):  
Thin Film ◽  
Fuel Cells ◽  
Barium Cerate ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells ◽  
Doped Barium Cerate

High-Performance Protonic Ceramic Fuel Cells with Thin-Film Yttrium-Doped Barium Cerate–Zirconate Electrolytes on Compositionally Gradient Anodes

2016 ◽  
Vol 8 (14) ◽  
pp. 9097-9103 ◽  
Author(s):  
Kiho Bae ◽  
Sewook Lee ◽  
Dong Young Jang ◽  
Hyun Joong Kim ◽  
Hunhyeong Lee ◽  
...  
Keyword(s):  
Thin Film ◽  
Fuel Cells ◽  
High Performance ◽  
Barium Cerate ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells ◽  
Doped Barium Cerate

scholarly journals Analysis of the Electrochemical Transport Properties of Doped Barium Cerate for Proton Conductivity in Low Humidity Conditions: A Review

2020 ◽  
Author(s):  
Laura I.V. Holz ◽  
Vanessa C.D. Graça ◽  
Francisco J.A. Loureiro ◽  
Duncan P. Fagg
Keyword(s):  
Proton Conductor ◽  
Barium Cerate ◽  
Separation Membranes ◽  
Operation Conditions ◽  
Hydrogenation Reactions ◽  
Low Humidity ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells ◽  
Electrochemical Transport ◽  
Doped Barium Cerate

Proton-conducting perovskites are among the most promising electrolytes for Proton Ceramic Fuel Cells (PCFCs), electrolysers and separation membranes. Particularly, yttrium-doped barium cerate, BaCe1-xYxO3-δ (BCY), shows one of the highest protonic conductivities at intermediate temperatures (σ ∼ 10−3 S cm−1 at 400°C); values that are typically achieved under humidified atmospheres (p H2O ∼ 10−2 atm). However, BCY has commonly been discarded for such applications due to its instability in the presence of water vapour and carbonaceous atmospheres. A recent discovery has shown that BCY10 exhibits pure protonic conductivity under very low humidity contents (∼10−5–10−4 atm), owing to its very high equilibrium constant for hydration. This peculiar characteristic allows this material to retain its functionally as a proton conductor in such conditions, while preventing its decomposition. Hence, this chapter explores the electrochemical properties of the BaCe0.9Y0.1O3-δ (BCY10) composition, comprehensively establishing its limiting operation conditions through defect chemistry and thermodynamic analyses. Moreover, the importance of such conditions is highlighted with respect to potential industrially relevant hydrogenation/de-hydrogenation reactions at low temperatures under low humidity.

Optimum dopant of barium zirconate electrolyte for manufacturing of protonic ceramic fuel cells

2021 ◽  
Vol 506 ◽  
pp. 230134
Author(s):  
Tomohiro Kuroha ◽  
Yoshiki Niina ◽  
Mizuki Shudo ◽  
Go Sakai ◽  
Naoki Matsunaga ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Barium Zirconate ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells
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