hydrogen and fuel cell vehicles
modern electric hybrid electric and fuel cell vehicles
... Phosphoric Acid Fuel Cells 14.5.4 Molten Carbonate Fuel Cells 14.5.5 Solid Oxide Fuel Cells 14.5.6 Direct Methanol Fuel Cells 14.6 Fuel Supply ... 14.4 Fuel Cell System Characteristics 14.5 Fuel Cell Technologies 14.5.1 Proton Exchange Membrane Fuel Cells 14.5.2 Alkaline Fuel Cells ... theoretical bases, and design methodologies of conventional internal combustion engine (ICE) vehicles, electric vehicles (EVs), hybrid electric vehicles (HEVs), and fuel cell vehicles (FCVs) It...
Ngày tải lên: 06/05/2014, 11:35
Modern electric, Hybird Electric and Fuel cell Vehicles pot
... Phosphoric Acid Fuel Cells 14.5.4 Molten Carbonate Fuel Cells 14.5.5 Solid Oxide Fuel Cells 14.5.6 Direct Methanol Fuel Cells 14.6 Fuel Supply ... 14.4 Fuel Cell System Characteristics 14.5 Fuel Cell Technologies 14.5.1 Proton Exchange Membrane Fuel Cells 14.5.2 Alkaline Fuel Cells ... theoretical bases, and design methodologies of conventional internal combustion engine (ICE) vehicles, electric vehicles (EVs), hybrid electric vehicles (HEVs), and fuel cell vehicles (FCVs) It...
Ngày tải lên: 27/06/2014, 01:21
Performance optimization of a PEM hydrogen-oxygen fuel cell
... 2003;113(1):131-144 [17] M R von Spakovsky, and B Olsommer, Fuel cell systems and system modeling and analysis perspectives for fuel cell development Energy Conversion and Management 2002;43(9-12):12491257 ... the cell They only correlate output with input Semi-empirical models are very useful for estimating the performance of PEM fuel cell stacks and optimization of fuel cell system integration and ... of fuel cells without extensive calculations The present model can be used to investigate the influence of process variables for design optimization of fuel cells, stacks, and complete fuel cell...
Ngày tải lên: 05/09/2013, 14:58
Modern Electric , Hybrid Electric and rule cell vehicles P1 pps
... Phosphoric Acid Fuel Cells 14.5.4 Molten Carbonate Fuel Cells 14.5.5 Solid Oxide Fuel Cells 14.5.6 Direct Methanol Fuel Cells 14.6 Fuel Supply ... 14.4 Fuel Cell System Characteristics 14.5 Fuel Cell Technologies 14.5.1 Proton Exchange Membrane Fuel Cells 14.5.2 Alkaline Fuel Cells ... theoretical bases, and design methodologies of conventional internal combustion engine (ICE) vehicles, electric vehicles (EVs), hybrid electric vehicles (HEVs), and fuel cell vehicles (FCVs) It...
Ngày tải lên: 06/07/2014, 07:20
Modern Electric , Hybrid Electric and rule cell vehicles P2 doc
... will be consumed by fuel cell vehicles than by current conventional vehicles Curve a–d–f–g represents the strategy that the vehicles become hybrid in the first 20 years and fuel cell powered in the ... major automakers and various federal agencies have supported ongoing research into the development of fuel cell technology for use in fuel cell vehicles and other applications.14 Hydrogen production, ... storage, and distribution are the biggest challenges Truly, fuel- cell- powered vehicles still have a long way to go to enter the market 18 Modern Electric, Hybrid Electric, and Fuel Cell Vehicles...
Ngày tải lên: 06/07/2014, 07:20
hydrogen oxidation at solid oxide fuel cell anodes mechanistic, kinetic and structural studies
Ngày tải lên: 14/11/2014, 08:37
Prediction of deformation and hygro-thermal stresses distribution in PEM fuel cell vehicle using threedimensional CFD model
... durability in a PEM fuel cell studied using PVDF based radiation grafted membranes fuel cells Fuel Cells 2003; 3(1-2): 21-27 Maher A.R Sadiq Al-Baghdadi Mechanical behaviour of PEM fuel cell catalyst ... exchange membranes used in fuel cells is a major factor in the operating lifetime of fuel cell systems The Membrane-Electrode-Assembly (MEA) is the core component of PEM fuel cell and consists of membrane ... to the development and optimization of fuel cells, improve long-term performance and lifetime, the introduction of cheaper materials and fabrication techniques, and the design and development of...
Ngày tải lên: 05/09/2013, 14:58
A CFD analysis of transport phenomena and electrochemical reactions in a tubular-shaped PEM fuel cell
... 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 ... for the planar and tubular-shaped PEM fuel cell consist of cathode and anode gas flow fields, and the MEA are shown in Figure 2.2 Model equations 2.2.1 Gas flow channels In the fuel cell channels, ... Cathode pressure Inlet fuel and air temperature Relative humidity of inlet fuel and air Air stoichiometric flow ratio Fuel stoichiometric flow ratio Pc Tcell ψ ξc ξa Table Electrode and membrane parameters...
Ngày tải lên: 05/09/2013, 14:58
Numerical investigation into premixed hydrogen combustion within two-stage porous media burner of 1 kW solid oxide fuel cell system
... Conference on Hydrogen Energy and Fuel Cell November 14-15, 2008, Tainan, Taiwan (2008) [5] Trimis D., Durst F., Combustion in a Porous Medium - Advances and Applications, Combustion Science and Technology, ... (H2-8 LPM) and highest (H2-20 LPM) hydrogen concentrations and establishing the flow rate which satisfies the three design constraints given above at each hydrogen concentration Figs 6(a) and 6(g) ... heat and mass transfer and chemical reactions within both the porous media and the free space regions of the burner Furthermore, the fluid and solid properties depend on the temperature and concentration...
Ngày tải lên: 05/09/2013, 15:28
Design and development of major balance of plant components in solid oxide fuel cell system
... Foulker F R., Fuel Cell Handbook, Van Norstand Reinhold, New York, 1989 [2] Stanley W A., Direct Energy Conversion, Allyn and Bacon, Inc., Boston, 1982 [3] Larminie J., A Dicks, Fuel Cell Systems ... afterburner, a fuel heat exchanger and an air heat exchanger As with any SOFC system, the performance of the INER SOFC system is dependent not only on the design and operating conditions of the fuel cell ... oxide fuel cell power plant systems, Applied Thermal Engineering, 2008 28, 933-941 [6] Lisbona P., Corradetti A., Bove R., Lunghi P., Analysis of a Solid Oxide Fuel Cell System for Combined Heat and...
Ngày tải lên: 05/09/2013, 16:10
Hydrogen Energy and Fuel Cells docx
... TECHNICAL ANNEX Hydrogen and fuel cell technologies and related challenges 25 ANNEX I High Level Group on Hydrogen and Fuel Cells Technologies 32 ANNEX II High Level Group on Hydrogen and Fuel Cells Technologies: ... deployment strategy for hydrogen and fuel cells – Implementing the transition to hydrogen and fuel cells – Funding the transition A European roadmap for hydrogen and fuel cells 16 17 17 18 19 19 ... shared with fuel cell vehicles will provide opportunities for hydrogen and fuel cells The successful introduction of fuel cells – and hydrogen – into trans- For transport, a widespread refuelling...
Ngày tải lên: 07/03/2014, 17:20
TECHNOLOGIES AND APPROACHES TO REDUCING THE FUEL CONSUMPTION OF MEDIUM- AND HEAVY-DUTY VEHICLES docx
... TECHNOLOGIES AND APPROACHES TO REDUCING THE FUEL CONSUMPTION OF MEDIUM- AND HEAVY-DUTY VEHICLES Committee to Assess Fuel Economy Technologies for Medium- and Heavy-Duty Vehicles Board on Energy and Environmental ... U.S., European, and Asian approaches to fuel economy and regulations; Chapters and review and assess technologies to reduce fuel consumption; Chapter assesses direct and indirect costs and benefits ... trucks and buses later in Chapter and in Chapter 10 TECHNOLOGIES AND APPROACHES TO REDUCING THE FUEL CONSUMPTION OF MEDIUM- AND HEAVY-DUTY VEHICLES • Assess current and potential technologies and...
Ngày tải lên: 22/03/2014, 10:20
Analysis of transport phenomena and electrochemical reactions in a micro PEM fuel cell with nature inspired flow field design
... governing fuel cell behavior Models that include all parts of a fuel cell are typically two- or three-dimensional and reflect many of the physical processes occurring within the fuel cell [6–16] ... the development and optimization of micro fuel cells, improve long-term performance and lifetime, the introduction of cheaper materials and fabrication techniques, and the design and development ... (36) 2.2.6 Cell power and efficiency Once the cell potential is determined for a given current density, the output power density is found as; Wcell = I E cell (37) where I is the cell operating...
Ngày tải lên: 09/09/2015, 10:17
Interfacial effects between the structured nanofillers and nafion matrices on the performance of h2 PEM fuel cell
... stationary and transportation uses Fuel cell includes proton exchange membrane fuel cell (PEMFC), solid oxide fuel cell (SOFC), phosphoric acid fuel cell (PAFC), alkaline fuel cell (AFC) and molten ... devices and stationary applications (Gottesfeld et al., 1997) In principle, PEMFC is classified into two subcategories according to fuel- supply: Hydrogen Fuel cell (H2-PEMFC) and fuel cell driven ... efficiency and a quiet operation Fuel cells have been used for stationary power generation as well as for mobile power generation to power cars, trucks, and buses Research and development on fuel cells...
Ngày tải lên: 09/09/2015, 18:51
Experimental and theoretical study of low cost PEM fuel cell catalysts
... structure of a PEM fuel cell 39 2.2 Design and synthesis of fuel cell catalysts 40 2.2.1 Design of fuel cell catalyst at microscale level 40 2.2.2 Design of fuel cell catalyst ... cell setup 16 Figure 1.3 Nyquist plots and equivalent models for (a) purely capacitive cell, (b) simplified Randles cell and (c) Randles cell 18 Figure 2.1 Construction of a single cell ... purely capacitive cell, (b) simplified Randles cell and (c) Randles cell When we have a working electrode immersed in an electrolyte and the surface of the electrode is very inert and there is no...
Ngày tải lên: 10/09/2015, 09:10
Modeling of transport phenomena in polymer electrolyte fuel cell stacks thermal, water, and gas management
... τψπιχαλ ΠΕΦΧ σψστεµ [42] 14 1.4 Πολψµερ ελεχτρολψτε φυελ χελλ 15 = 1.229 V 1.2 ∼ 0.95 - 1.05 V E cell /V ∆G/(2F) OCV η act 0.8 η 0.6 η ohm conc 0.4 0.2 0 2000 4000 i ave 6000 8000 -2 /Am 10000...
Ngày tải lên: 11/09/2015, 10:02
Pem fuel cell stack modeling and design of DC DC converter for fuel cell energy system
... used, fuel cells can be divided into five types: PAFC (Phosphoric Acid Fuel Cell) , AFC (Alkaline Fuel Cell) , PEMFC (Proton Exchange Membrane Fuel Cell) , MCFC (Molten Carbonate Fuel Cell) and SOFC ... describe the fuel cell characteristics, fuel cell model seems to be an effective way to simulate the fuel cell behavior Based on different fuel cell operating modes, different fuel cell behavior ... survey of fuel cell modelling Advantages and disadvantages of different fuel cell modelling techniques are briefly summarized Analytical fuel cell models [7] [8] [9] and empirical fuel cell models...
Ngày tải lên: 14/09/2015, 14:09
Classification procedure of the explosion risk areas in presence of hydrogenrich syngas: Biomass gasifier and molten carbonate fuel cell integrated plant
... biomass gasification and molten fuel cell power system Energy Convers Manage 1998;39:1931–43 [3] McIlveen-Wright DR, Williams BC, McMullan JT Wood gasification integrated with fuel cells Renew Energy ... because of the high temperature of the stack and a greater amount of H2, flowing into the fuel cell, is available for the following anodic reaction Safety standards for explosive atmosphere risk analysis ... have since been replaced over the last years by regional European Directives and Standards, and in the field of standardization they have partially been replaced by international regulations 1.1...
Ngày tải lên: 01/08/2016, 09:32
A CFD study of hygro-thermal stresses distribution in tubular-shaped ambient air-breathing PEM micro fuel cell during regular cell operation
... 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 ... air-breathing PEM micro fuel cell has been developed and used to investigate the displacement, deformation, and stresses inside the cell during the cell operation under real cell operating conditions ... air-breathing PEM micro fuel cell that incorporates the significant physical processes and the key parameters affecting fuel cell performance The following assumptions are made: (i.) the fuel cell operates...
Ngày tải lên: 05/09/2013, 14:58