A Performance Analysis of a Solid Oxide Fuel Cell - Micro Gas Turbine Hybrid System Using Biogas

2019 ◽  
Vol 25 (2) ◽  
pp. 1061-1070 ◽  
Author(s):  
Yosuke Komatsu ◽  
Shinji Kimijima ◽  
Janusz S. Szmyd
Keyword(s):  
Fuel Cell ◽  
Performance Analysis ◽  
Solid Oxide Fuel Cell ◽  
Gas Turbine ◽  
Hybrid System ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Micro Gas Turbine ◽  
A Performance

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.

Parametric Analysis on a Novel Hybrid System of Solid Oxide Fuel Cell and Micro Gas Turbine

2010 ◽  
Author(s):  
Wenshu Zhang ◽  
Huisheng Zhang ◽  
Shilie Weng
Keyword(s):  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
Gas Turbine ◽  
Hybrid System ◽  
Parametric Analysis ◽  
Solid Oxide ◽  
Methane Reforming ◽  
The Novel ◽  
Oxide Fuel ◽  
Micro Gas Turbine

This paper presents the steady state parametric analysis of the solid oxide fuel cell and micro gas turbine hybrid system based on the IPSEpro software. The characteristic of the novel hybrid system is that both the fuel entering the heat exchanger reformer (HER) and air entering the fuel cell are preheated by mixing with the anode exhaust and cathode exhaust respectively, and thus the normally used heat exchangers can be cut. The heat exchange reformer is introduced for methane reforming. The analysis of the effects of methane reforming degree and the fuel utilization on the hybrid system performance is performed. The efficiency of the hybrid system is up to 67.3% at the design point. The results show the novel hybrid system has great potential for the practical application.

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