solid oxide fuel cell system design

... project of solid oxide fuel cell power generating system since 2005 His main research interests include critical heat flux, boiling heat transfer, cold neutron source, and solid oxide fuel cell E-mail ... highly-efficient, environmental-friendly power generation systems Solid oxide fuel cells (SOFCs), which produce electrical energy by oxidizing a suitable fuel such as hydrogen or methane, represent a feasible ... International Energy and Environment Foundation - All rights reserved Keywords: Solid oxide fuel cell, Porous media combustion, Burner design Introduction As the world’s supply of natural resources dwindles,

Ngày tải lên: 05/09/2013, 15:28

... prevents the cell from electrically shorting Fig 2-1 shows these components for a solid oxide fuel cell (SOFC) Fuel H, / hydrocarbons Fig 2-1 Schematic ofa single solid oxide fuel cell (SOFC) ... (CCGT), Solid Oxide Fuel Cell (SOFC), and Solid Oxide Fuel Cell Gas Turbine (SOFCGT) Power Generation? 0 c.ccccssssesseessesssesssessessecsssessesssestesstssessesseesstsseeaeen 8 Table 2-3 Common Fuel ... from the CCGT® Table 2-2 Percentage Total System Emissions for Combined Cycle Gas Turbine (CCGT), Solid Oxide Fuel Cell (SOFC), and Solid Oxide Fuel Cell Gas Turbine (SOFCGT) Power Generation®

Ngày tải lên: 14/11/2014, 08:37

... on performance of solid oxide fuel cell power systems Energy 2011;36(2):1068e75 [4] Jia J, Abudula A, Wei L, Shi Y Performance comparison of three solid oxide fuel cell power systems Int J Energ ... gasification/molten carbonate fuel cell power system- comparative characterzation of fuel cell and gas turbine systems J Power Sources 2004;138(1):31e40 [25] Paola C, Kaspar H Modeling of solid oxide heat exchanger ... of solid oxide fuel cell and biomass gasification systems Int J Hydrogen Energy 2010;35(10):5001e9 [13] Bang M, Rokni M, Elegaard B Exergy analysis of optimization of a biomass gasification,solid

Ngày tải lên: 01/08/2016, 09:30

... Instrumentation setup The experimental set up comprises of the gasification system and the catalytic tar cracking system The gasification system consists of air blower, gasifier, and cyclone separator, flaring ... complete mixing of metal ions and silicophosphate gel, sodium hydroxide (NaOH-0.1M) was added to precipitate the metal ions as metal hydroxides into silicophosphate particles Resulting precipitates ... [JCPDS (Joint committee of Powder Diffraction Studies) card no 47-1049 for Nickel Oxide, 22-0595 for Cobalt Oxide, and 22-1380 for Silico Phosphate] and no characteristic peaks of any impurities

Ngày tải lên: 01/08/2016, 09:30

... alkaline fuel cell atomic layer deposition direct alcohol fuel cells direct carbon fuel cell direct ethanol fuel cell direct ethanol solid oxide fuel cells direct methanol fuel cell direct methanol solid ... low-temperature solid oxide fuel cell molten carbonate fuel cell open-circuit voltage phosphoric acid fuel cell proton exchange membrane fuel cell samarium-doped ceria scanning electron microscopy solid oxide ... category, solid oxide fuel cell (SOFC), direct carbon fuel cell (DCFC), and molten carbonate fuel cell (MCFC) have operating temperature above 500°C (Li et al., 2009) In various applications, fuel cells

Ngày tải lên: 04/01/2018, 23:02

... in a fuel cell system or to calculate efficiencies See also ASME PTC 50-2002 Fuel Cell Power Systems Performance [17] and DIN IEC 62282-3-2 Fuel cell technologies Part 3-2: Stationary fuel cell ... stoichiometry λ defines the ratio between reactant feed (into the fuel cell) and reactant consumption (inside the fuel cell) Due to fuel cell design and water management issues etc the stoichiometry must ... is the average single cell voltage c Alexander Kabza Fuel Cell Formulary 10 1.5 Fuel cell efficiencies Thermal stack power Ptherm is that part of the consumed chemical fuel power which is not

Ngày tải lên: 01/10/2019, 09:47

... of electrochemical and transport processes in solid oxide fuel cells Proceedings of SOFC-X, The Tenth International Symposium on Solid Oxide Fuel Cells, 3rd –8th June, Nara, Japan (oral presentation) ... Kosinski P, Hoffmann AC, Vik A, 2009 Fully three-dimensional modeling of solid oxide fuel cells The Sixth Symposium on Fuel Cell Modelling and Experimental Validation, 25th –26th March, Bad Herrenalb, ... 20 Modeling of Solid Oxide Fuel Cells: Review 3.1 3.2 21 Modeling approaches 21 3.1.1 Cell- component level 22 3.1.2 Cell and/or stack level

Ngày tải lên: 27/01/2021, 08:52

... fuel cell is labeled as LSCF-Ni/YSZ anode fuel cell versus unmodified fuel cell which is labeled as Ni/YSZ anode fuel cell 3.3 Fuel Cell Testing and Characterization An anode supported fuel cell ... tubular solid- oxide fuel cells with methane fuel streams J Power Sources 2006, 161, 413–419 30 Lin, Y.; Zhan, Z.; Barnett, S.A Improving the stability of direct-methane solid oxide fuel cells using ... intermediate-temperature solid oxide fuel cells J Power Sources 2009, 187, 74–79 Leng, Y.; Chan, S.; Liu, Q Development of LSCF-GDC composite cathodes for low-temperature solid oxide fuel cells with thin

Ngày tải lên: 02/11/2022, 14:34

... Ab initio study of vacancy formation in cubic LaMnO3 and SmCoO3 as cathode materials in solid oxide fuel cells , Emilia Olsson, Xavier Aparicio-Anglès, and Nora H de Leeuw Citation: J Chem Phys ... Ab initio study of vacancy formation in cubic LaMnO3 and SmCoO3 as cathode materials in solid oxide fuel cells Emilia Olsson,1 Xavier Aparicio-Anglès,1 and Nora H de Leeuw1,2,a) Department of ... accepted 11 June 2016; published online July 2016) Doped LaMnO3 and SmCoO3 are important solid oxide fuel cell cathode materials The main difference between these two perovskites is that SmCoO3

Ngày tải lên: 19/11/2022, 11:38

... (http://creativecommons.org/licenses/by/4.0/) Keywords: Interconnect Solid oxide fuel cell Corrosion Cr vaporization Area specific resistance Coating Introduction Solid Oxide Fuel Cell (SOFC) technology offers several advantages ... steels intended to be utilized as the interconnect material in Intermediate Temperature Solid Oxide Fuel Cells (IT-SOFC) Mass gain was recorded to follow oxidation kinetics, chromium evaporation ... Ce/Co-coated ferritic stainless steel as interconnect material for Intermediate Temperature Solid Oxide Fuel Cells Hannes Falk-Windisch*, Julien Claquesin, Mohammad Sattari, Jan-Erik Svensson, Jan

Ngày tải lên: 19/11/2022, 11:41

... Solid Oxide Fuel Cells,” J Power Sources, 58(2), pp 109–122 [5] Mueller, F., Brouwer, J., Jabbari, F., and Samuelsen, S., 2006, “Dynamic Simulation of an Integrated Solid Oxide Fuel Cell System ... electrode-electrolyte-negative electrode solid oxide fuel cell high performance low performance References [1] Vora, S D., 2010, “Office of Fossil Energy Fuel Cell Program? ?Solid State Energy Conversion ... constant fuel and air utilizations [DOI: 10.1115/1.4006477] Introduction Solid oxide fuel cell (SOFC) systems show promise as a future stationary power generation technologies Given the recent Solid

Ngày tải lên: 24/11/2022, 17:43

... electrolyte and fuel used: phosphoric acid fuel cell (PAFC), molten carbonate fuel cell (MCFC), alkaline fuel cell (AFC), solid oxide fuel cell (SOFC), proton exchange membrane fuel cell (PEMFC), ... Trang 34 Contents I Introduction 5 II PEM fuel cell system modeling 6 2.1 PEM fuel cell 6 2.2 System modeling 7 III Control design of the PEM fuel cell system 11 3.1 Sliding mode control approach ... 𝑖𝐿 R The output voltage of a fuel cell stack constitutes by 𝑁𝐹𝐶 fuel cells connected in series is given by: 𝑉𝑠𝑡= 𝑁𝐹𝐶𝑉𝑐𝑒𝑙𝑙(12) 2.2 System modeling The PEM fuel cell system adopted in this study

Ngày tải lên: 11/06/2024, 22:02

... PEM FUEL CELL STACK MODELING AND DESIGN OF DC/DC CONVERTER FOR FUEL CELL ENERGY SYSTEM KONG XIN NATIONAL UNIVERSITY OF SINGAPORE 2008 PEM FUEL CELL STACK MODELING AND DESIGN OF DC/DC ... of the cascaded controller... Cell) , PEMFC (Proton Exchange Membrane Fuel Cell) , MCFC (Molten Carbonate Fuel Cell) and SOFC (Solid Oxide Fuel Cell) Among them, PEMFC is believed ... of fuel cell and energy storage system 178 A.1 Experimental setup designed for testing on the effect of fuel cell current ripple 200 A.2 Sketch of the generation of fuel

Ngày tải lên: 14/09/2015, 14:09

... performance of air-breathing fuel cells However, these fuel cell designs have generally relied on traditional planar MEA architecture Because the majority of PEM fuel cell designs are based on planar ... rights reserved Keywords: Ambient air-breathing, Fuel cell modelling, CFD, Compacted -design Micro-PEM fuel cell, Mobile phone Introduction Fuel cells are growing in importance as sources of sustainable ... the cell performance Such fuel cells have the potential to be significantly cheaper, smaller, and lighter than planar plate and frame fuel cells; they could also broaden the range of fuel cell

Ngày tải lên: 05/09/2013, 14:58

... performance of air-breathing fuel cells However, these fuel cell designs have generally relied on traditional planar MEA architecture Because the majority of PEM fuel cell designs are based on planar ... rights reserved Keywords: Ambient air-breathing, Fuel cell modelling, CFD, Compacted -design Micro-PEM fuel cell, Disk-shaped Introduction Fuel cells are growing in importance as sources of sustainable ... microelectromechanical system (MEMS) technology makes it possible to manufacture the miniaturized fuel cell systems for application in portable electronic devices The majority of research on micro-scale fuel cells

Ngày tải lên: 05/09/2013, 14:58

... miniaturized fuel cell systems The majority of research on micro-scale fuel cells is aimed at micro-power applications Performance of micro -fuel cells are closely related to many factors, such as designs ... reserved Keywords: PEM fuel cells; Micro fuel cell; Nature inspired flow channels; Electrochemical; Heat transfer; CFD Introduction Fuel cell system is an advanced power system for the future ... of fuel cells, the introduction of cheaper materials and fabrication techniques, and the design and development of novel architectures The difficult experimental environment of fuel cell systems

Ngày tải lên: 09/09/2015, 10:17

... in PEM fuel cell design is a tubular-shaped fuel cell Fuel cell companies and research institutes may have carried out various systematic experimental studies for this type of the fuel cell, for ... exchange membranes used in fuel cells is a major factor in the operating lifetime of fuel cell systems The stresses distribution in the fuel cells is affected by operating point (cell voltage and related ... 2, 2010, pp.183-198 Introduction Fuel cell system is an advanced power system for the future that is sustainable, clean and environmental friendly Small fuel cells have provided significant advantages

Ngày tải lên: 05/09/2013, 14:58

... design and optimization of future fuel cell with much higher power density, long cell life, and lower cost To achieve long cell life, the results show that the cell must be operate at lower cell ... leading to a fuel cell durability under various operating conditions Optimization study of a PEM fuel cell durability has been performed To achieve long cell life, the results show that the cell must ... optimum fuel cell performance, and in order to avoid large temperature gradients inside the fuel cell, it is desirable to achieve a uniform current density distribution inside the cell 3.2.2 Design

Ngày tải lên: 05/09/2013, 14:58

... maintaining a tolerance to fuel impurities in the reformate feed. An important part of the fuel cell is the electrolyte, which gives every fuel cell its name. At the core of a PEM fuel cell is the polymer ... a proton exchange membrane fuel cell are accelerated by mechanical stresses arising during fuel cell assembly (bolt assembling), and the stresses arise during fuel cell running, because it consists ... membranes used in fuel cells is a major factor in the operating lifetime of fuel cell systems. Figure 3 shows the total displacement distribution at the upper and lower surface of the cell membrane,

Ngày tải lên: 05/09/2013, 14:58

... 4, 2011, pp.589-604 Introduction Fuel cell system is an advanced power system for the future that is sustainable, clean and environmental friendly Small fuel cells have provided significant advantages ... battery systems Competitive costs, instant recharge, and high energy density make fuel cells ideal for supplanting batteries in portable electronic devices However, the typical PEM fuel cell system ... between the fuel cell stack and the operating environment make thermal management a challenging problem in PEM fuel cells As the ambient temperature increases, the air-breathing fuel cell rejects

Ngày tải lên: 05/09/2013, 14:58