On-Design and Off-Design Performance Analysis of a Hybrid MCFC-Micro Gas Turbine System Using the Exergy Method

2005 ◽  
Author(s):  
Huisheng Zhang ◽  
Hongliang Hao ◽  
Shilie Weng ◽  
Ming Su
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Performance Analysis ◽  
Power System ◽  
Gas Turbine ◽  
Molten Carbonate ◽  
Design Point ◽  
Micro Gas Turbine ◽  
Molten Carbonate Fuel Cells ◽  
Exergy Method

Molten carbonate fuel cells have been revealed to be very attractive power generation system, promising highly efficient electricity generation and very low environmental impact. The integration of micro gas turbine and molten carbonate fuel cells has been proposed in the last years as an extremely efficient solution for power generation. A steady-state thermodynamic exergetic model for MCFC/MGT hybrid power system is developed on the IPSEpro simulation platform, and applied to a performance analysis of exergy. The exergy method highlights irreversibility within the system components, and it is of particular interest in this paper. The simulation results show that the coupling of MGT with a MCFC reactor has shown a potential for an exergy efficiency of plant over 55% at design point and high efficiency at off-design point compared to other conventional power system.

Parametric Analysis of Hybrid MCFC Micro Gas Turbine System

2005 ◽  
Author(s):  
Hongliang Hao ◽  
Huisheng Zhang ◽  
Shilie Weng ◽  
Ming Su
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Power System ◽  
Gas Turbine ◽  
Molten Carbonate Fuel Cell ◽  
Design Parameters ◽  
Molten Carbonate ◽  
Hybrid Power System ◽  
Micro Gas Turbine ◽  
Hybrid Power

Fuel cells have been revealed to be a very attractive power generation system, promising highly efficient electricity generation and very low environmental impact. The integration of micro turbines and high-temperature fuel cells has been proposed in recent years as an extremely efficient solution for power generation. A molten carbonate fuel cell / micro gas turbine (MCFC/MGT) hybrid power system has theoretically demonstrated that it can achieve higher thermal efficiency than other conventional power generation systems. To understand operation characteristics of the MCFC/MGT hybrid power system, it is essential to analyze influence of operating and design parameters on its performance. Based on an existing 50KW MCFC stack, a steady-state thermodynamic model for MCFC/MGT hybrid power system is developed on the IPSEpro simulation platform and applied to a performance analysis. The characteristics under off-design and design condition for hybrid power system were also analyzed.

scholarly journals Application of Molten Carbonate Fuel Cells in Cement Plants for CO2 Capture and Clean Power Generation

2014 ◽  
Vol 63 ◽  
pp. 6517-6526 ◽  
Author(s):  
Maurizio Spinelli ◽  
Matteo C. Romano ◽  
Stefano Consonni ◽  
Stefano Campanari ◽  
Maurizio Marchi ◽  
...  
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Co2 Capture ◽  
Molten Carbonate ◽  
Molten Carbonate Fuel Cells

Performance analysis of new cathode materials for molten carbonate fuel cells

2009 ◽  
Vol 193 (1) ◽  
pp. 292-297 ◽  
Author(s):  
C. Paoletti ◽  
M. Carewska ◽  
R. Lo Presti ◽  
S. Mc Phail ◽  
E. Simonetti ◽  
...  
Keyword(s):  
Fuel Cells ◽  
Performance Analysis ◽  
Cathode Materials ◽  
Molten Carbonate ◽  
Molten Carbonate Fuel Cells

Detailed Performance Analysis of a Solid Oxide Fuel Cell: Micro Gas Turbine Hybrid Power System

Volume 3 ◽  
2004 ◽  
Author(s):  
Tae Won Song ◽  
Jeong L. Sohn ◽  
Jae Hwan Kim ◽  
Tong Seop Kim ◽  
Sung Tack Ro ◽  
...  
Keyword(s):  
Fuel Cell ◽  
Performance Analysis ◽  
Power System ◽  
Solid Oxide Fuel Cell ◽  
Gas Turbine ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Hybrid Power System ◽  
Micro Gas Turbine ◽  
Hybrid Power

Performance of a solid oxide fuel cell (SOFC) can be enhanced by converting thermal energy of its high temperature exhaust gas to mechanical power using a micro gas turbine (MGT). A MGT plays also an important role to pressurize and warm up inlet gas streams of the SOFC. Performance behavior of the SOFC is sensitively influenced by internal constructions of the SOFC and related to design and operating parameters. In case of the SOFC/MGT hybrid power system, internal constructions of the SOFC influence not only on the performance of the SOFC but also on the whole hybrid system. In this study, influence of performance characteristics of the tubular SOFC and its internal reformer on the hybrid power system is discussed. For this purpose, detailed heat and mass transfer with reforming and electrochemical reactions in the SOFC are mathematically modeled and their results are reflected to the performance analysis. Effects of different internal constructions of the SOFC system and design parameters such as current density, recirculation ratio, fuel utilization factor, and catalyst density in internal reformer on the system performance are investigated and, as a result, some guidelines for the choice of those parameters for optimum operations of the SOFC/MGT hybrid power system are discussed.

Ultralow Carbon Dioxide Emission MCFC Based Power Plant

2011 ◽  
Vol 8 (3) ◽  
Author(s):  
Daniele Chiappini ◽  
Luca Andreassi ◽  
Elio Jannelli ◽  
Stefano Ubertini
Keyword(s):  
Power Generation ◽  
Fuel Cells ◽  
Fuel Cell ◽  
Gas Turbine ◽  
Combustion Engine ◽  
Carbon Dioxide Emission ◽  
Internal Combustion ◽  
Molten Carbonate Fuel Cell ◽  
Plant Performance ◽  
Molten Carbonate

The application of high temperature fuel cells in stationary power generation seems to be one of the possible solutions to the problem related to the environment preservation and to the growing interest for distributed electric power generation. Great expectations have been placed on both simple and hybrid fuel cell plants, thus making necessary the evolution of analysis strategies to evaluate thermodynamic performance, design improvements, and acceleration of new developments. This paper investigates the thermodynamic potential of combining traditional internal combustion energy systems (i.e., gas turbine and internal combustion engine) with a molten carbonate fuel cell for medium- and low-scale electrical power productions with low CO2 emissions. The coupling is performed by placing the fuel cell at the exhaust of the thermal engine. As in molten carbonate fuel cells the oxygen-charge carrier in the electrolyte is the carbonate ion, part of the CO2 in the gas turbine flue gas is moved to the anode and then separated by steam condensation. Plant performance is evaluated in function of different parameters to identify optimal solutions. The results show that the proposed power system can be conveniently used as a source of power generation.

scholarly journals Performance analysis method for stacks of molten carbonate fuel cells

1998 ◽  
Vol 118 (4) ◽  
pp. 452-459
Author(s):  
Yoshihiro Mugikura ◽  
Hiroshi Morita ◽  
Yoshiyuki Izaki ◽  
Takao Watanabe
Keyword(s):  
Fuel Cells ◽  
Performance Analysis ◽  
Analysis Method ◽  
Molten Carbonate ◽  
Molten Carbonate Fuel Cells
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