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A preliminary environmental assessment of power generation systems for a stand-alone mobile house with cradle to gate approach
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Applied Electrochemistry.ORCID iD: 0000-0003-1742-6967
2011 (English)In: Gazi University Journal of Science, ISSN 1303-9709, Vol. 24, no 3, 487-494 p.Article in journal (Refereed) Published
Abstract [en]

Due to the sporadic characteristics of solar and wind power it has been a challenge to generate a highly reliable power with photovoltaic and or wind turbines alone. A fuel cell as a supplementary energy source is an alternative to overcome this challenge. PV/wind/fuel cell hybrid power system may be a feasible solution for stand-alone applications. In this study, which is a preliminary work of a comprehensive Life Cycle Assessment (LCA), comparison of the power generation alternatives in terms of environmental impacts by evaluating their environmental and energy efficiencies and impacts during the productions of the system components was given. Also, impacts during the production of wind turbines, PV panels, fuel cells and diesel generators were inspected. Eco-Indicator 99 impact assessment method was used as the impact assessment method. It was shown that the in human health and ecosystem quality damage categories the PV panels are less environmentally efficient when compared with other power generation technologies with similar capacities.

Place, publisher, year, edition, pages
2011. Vol. 24, no 3, 487-494 p.
Keyword [en]
Fuel cell, Life cycle assessment, Photovoltaic, Stand-alone, Wind, Diesel generators, Eco-Indicator 99, Energy source, Environmental assessment, Feasible solution, Human health, Hybrid power systems, Impact assessments, Life-cycle assessments, Power generation systems, Power generation technology, PV panel, Standalone applications, System components, Energy efficiency, Fuel cells, Life cycle, Photovoltaic cells, Photovoltaic effects, Rating, Solar power generation, Wind power, Wind turbines, Environmental impact
National Category
Energy Systems
URN: urn:nbn:se:kth:diva-151176ScopusID: 2-s2.0-79960044475OAI: diva2:747564

QC 20140917

Available from: 2014-09-17 Created: 2014-09-15 Last updated: 2015-12-10Bibliographically approved
In thesis
1. Economic Aspects of Fuel Cell-Based Stationary Energy Systems
Open this publication in new window or tab >>Economic Aspects of Fuel Cell-Based Stationary Energy Systems
2016 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

It is evident that human activity has an important impact on climate. Constantly increasing energy demand is one of the biggest causes of climate change. The fifth assessment report of the Inter-governmental panel on climate change states that decarbonisation of electricity generation is a key component of climate change mitigation. Increased awareness of this fact and escalating concerns around energy security has brought public attention to the energy industry, especially sustainable power generation systems.

Future energy systems may need to include hydrogen as an energy carrier in order to achieve necessary levels of CO2 emission reductions, and overcome the challenges renewable energy systems present. Fuel cells could be a corner stone of future hydrogen inclusive energy solutions.

New solutions like fuel cells have to compete with existing technologies and overcome the shortcomings of emerging technology. Though these shortcomings are well-recognised, fuel cells also have many advantages which makes continued research and development in the field highly worthwhile and viable. Key to their adoption is the identification of a niche market to utilise their advantages while overcoming their shortcomings with continuous research and development.

This thesis aims to evaluate some of the stationary fuel cell applications and determine whether one could become the niche market as an entry point for fuel cells. This is achieved by economic evaluations of real and hypothetical applications.

Results of the studies here imply that to decrease the total life cycle impacts of fuel cells to more acceptable levels, resource use in the manufacturing phase and recycling in decommissioning should be shown more attention. Results also present a picture showing that none of the applications investigated are economically feasible, given the current state of technology and energy prices. However, fuel cell-based combined cooling, heating and power systems for data centres show the potential to become the niche market that fuel cells need to grow. A further conclusion is that a broad market, longer stack lifetime, the possibility of selling electricity back to the grid and governmental subsidies are essential components of an environment in which fuel cells can permeate through the niche market to the mainstream markets.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2016. 79 p.
TRITA-CHE-Report, ISSN 1654-1081 ; 2016:1
Fuel cells, niche market, stationary applications, feasibility, multi-generation
National Category
Energy Systems
Research subject
Chemical Engineering
urn:nbn:se:kth:diva-179137 (URN)978-91-7595-754-8 (ISBN)
Public defence
2016-01-15, Kollegiesalen, Brinellvägen 8, KTH, Stockholm, 10:00 (English)

QC 20151210

Available from: 2015-12-10 Created: 2015-12-10 Last updated: 2015-12-10Bibliographically approved

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