A micro tri-generation system based on direct flame fuel cells for residential applications

A novel micro tri-generation system which combines a direct flame fuel cell, a boiler and a double-effect absorption chiller is proposed and analyzed for residential applications. Parametric analyses are conducted to investigate the effects of operating parameters (i.e. the equivalence ratio and the...

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Bibliographic Details
Published in:International journal of hydrogen energy 2014-04, Vol.39 (11), p.5996-6005
Main Authors: Wang, Yuqing, Shi, Yixiang, Ni, Meng, Cai, Ningsheng
Format: Article
Language:English
Subjects:
Alternative fuels. Production and utilization
Applied sciences
Cogeneration
Cooling effects
Demand
Direct flame fuel cell
Energy
Exact sciences and technology
Fuel cells
Fuels
Hydrogen
Hydrogen-based energy
Optimization
Residential
Residential applications
System model
Tri-generation
Winter
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Summary:A novel micro tri-generation system which combines a direct flame fuel cell, a boiler and a double-effect absorption chiller is proposed and analyzed for residential applications. Parametric analyses are conducted to investigate the effects of operating parameters (i.e. the equivalence ratio and the fuel utilization factor of the fuel cell) on the system efficiency and the thermal-to-electric ratio. Then optimum operating parameters are determined based on the typical energy demand of Hong Kong in the summer and the typical energy demand of Beijing in the winter, respectively. It is found that very high efficiency (over 90%) can be achieved by this novel tri-generation system for both Hong Kong and Beijing. Besides, the system is modified for combined heat and power cogeneration, combined cooling and power cogeneration and their efficiencies are compared with the tri-generation system to evaluate the effect of each single unit on the whole system. •A novel micro tri-generation system based on direct flame fuel cell.•Integration of direct flame fuel cell with both boiler and absorbtion chiller.•Concept of direct flame micro-tubular solid oxide fuel cell.
ISSN:0360-3199
1879-3487
DOI:10.1016/j.ijhydene.2014.01.183