Conceptual design for critically-high power generation efficiency by using multi-stage solid oxide fuel cells (SOFCs) or proton-conducting ceramic fuel cells (PCFCs)

2016 ◽  
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
High Power ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Generation Efficiency ◽  
Multi Stage ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells

Inkjet Printing of Solid Oxide Fuel Cells and Proton Ceramic Fuel Cells

2019 ◽  
Vol 91 (1) ◽  
pp. 1059-1063
Author(s):  
Eun Heui Kang ◽  
Gwon Deok Han ◽  
Hyung Jong Choi ◽  
Kiho Bae ◽  
Heonjun Jeong ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
Inkjet Printing ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells

scholarly journals Comparison of electrochemical impedance spectra for electrolyte-supported solid oxide fuel cells (SOFCs) and protonic ceramic fuel cells (PCFCs)

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Hirofumi Sumi ◽  
Hiroyuki Shimada ◽  
Yuki Yamaguchi ◽  
Yasunobu Mizutani ◽  
Yuji Okuyama ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
Electrochemical Impedance ◽  
Gas Diffusion ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Impedance Spectra ◽  
Cathode Polarization ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells

AbstractProtonic ceramic fuel cells (PCFCs) are expected to achieve high power generation efficiency at intermediate temperature around 400–600 °C. In the present work, the distribution of relaxation times (DRT) analysis was investigated in order to deconvolute the anode and cathode polarization resistances for PCFCs supported on yttria-doped barium cerate (BCY) electrolyte in comparison with solid oxide fuel cells (SOFCs) supported on scandia-stabilized zirconia (ScSZ) electrolyte. Four DRT peaks were detected from the impedance spectra measured at 700 °C excluding the gas diffusion process for ScSZ and BCY. The DRT peaks at 5 × 102–1 × 104 Hz and 1 × 100–2 × 102 Hz were related to the hydrogen oxidation reaction at the anode and the oxygen reduction reaction at the cathode, respectively, for both cells. The DRT peak at 2 × 101–1 × 103 Hz depended on the hydrogen concentration at the anode for ScSZ, while it was dependent on the oxygen concentration at the cathode for BCY. Compared to ScSZ, steam was produced at the opposite electrode in the case of BCY, which enhanced the cathode polarization resistance for PCFCs.

scholarly journals Development of Ammonia Fueled Solid Oxide Fuel Cells

Ceramist ◽  
2021 ◽  
Vol 24 (4) ◽  
pp. 368-385
Author(s):  
Jong-Eun Hong ◽  
Seung-Bok Lee ◽  
Dong Woo Joh ◽  
Hye-Sung Kim ◽  
Tak-Hyoung Lim ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
High Efficiency ◽  
Current Collector ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Hydrogen Carrier ◽  
Ceramic Fuel ◽  
Ceramic Fuel Cells ◽  
Thermal Imbalance

Solid oxide fuel cells (SOFCs) can generate electricity through an electrochemical conversion of the chemical energy of fuels including hydrogen, hydrocarbons, and biogas because of high operation temperatures. Ammonia has recently been considered as a promising hydrogen carrier that is relatively convenient to store and transport and can be decomposed into hydrogen and nitrogen with no carbon emission via catalytic cracking. Thus, much effort has been made to utilize ammonia as a clean fuel to SOFCs for power generation at high efficiency. This review is aiming at delivering the current progress of developing high temperature ceramic fuel cells fed with ammonia, particularly more focused on the achievements of a direct ammonia fueled SOFC (DA-SOFC) to shed light on the challenges of degrading the performance and durability. The problems are primarily attributed to a lack of rational catalysts, thermal imbalance, and the evolution of nitrides on the components including the Ni based anode, Ni mesh as current collector, and stainless steels of metallic interconnect that are exposed to the ammonia fuel environment incurring microstructural deformations and electrical and electrochemical deteriorations. Lastly, strategic pathways to overcome the inadequate performance and the instability are suggested to accomplish a commercialization of DA-SOFCs.

Solid-Oxide Fuel Cells in Power Generation Applications: A Review

2011 ◽  
Vol 5 (3) ◽  
pp. 165-189 ◽  
Author(s):  
Wojciech M. Budzianowski ◽  
Jaroslaw Milewski
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide ◽  
Oxide Fuel

Data-driven techniques for fault diagnosis in power generation plants based on solid oxide fuel cells

2019 ◽  
Vol 180 ◽  
pp. 281-291 ◽  
Author(s):  
Paola Costamagna ◽  
Andrea De Giorgi ◽  
Gabriele Moser ◽  
Sebastiano B. Serpico ◽  
Andrea Trucco
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Fault Diagnosis ◽  
Solid Oxide Fuel Cells ◽  
Solid Oxide ◽  
Data Driven ◽  
Oxide Fuel

Concepts for Ultra-High Power Density Solid Oxide Fuel Cells (SOFC)

2014 ◽  
Vol 61 (1) ◽  
pp. 177-190
Author(s):  
L. Zhu ◽  
L. Zhang ◽  
F. Zhao ◽  
A. V. Virkar
Keyword(s):  
Fuel Cells ◽  
Solid Oxide Fuel Cells ◽  
Power Density ◽  
High Power ◽  
Solid Oxide ◽  
High Power Density ◽  
Oxide Fuel
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