fuel cell hybrid electric drive train design

... series/parallel/mild hybrid electric drive train design methodologies, energy storage systems, regenerative braking, fuel cells and their applications in vehicles, and fuel cell hybrid electric drive train design ... Hybrid Electric Vehicles 5.1 Concept of Hybrid Electric Drive Trains 5.2 Architectures of Hybrid Electric Drive Trains 5.2.1 Series Hybrid Electric ... systematic design of fuel cell hybrid drive trains is introduced First, the concept of fuel cell hybrid vehicles is established Then, their xviii Preface operating principles and drive train control...

Ngày tải lên: 06/05/2014, 11:35

... 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 ... 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 ... almost instantaneous refuelling (as opposed to the recharging time required by batteries) The viability of PEM fuel cells as battery replacements requires that PEM fuel cells undergo significant...

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 ... almost instantaneous refuelling (as opposed to the recharging time required by batteries) The viability of PEM fuel cells as battery replacements requires that PEM fuel cells undergo significant ... and hence improve the cell performance Such fuel cells have the potential to be significantly cheaper, smaller, and lighter than tubular and planar plate and frame fuel cells; they could also...

Ngày tải lên: 05/09/2013, 14:58

... a solid oxide fuel cell power system, Energy & Fuels 2007, 21, 314-321 [5] Chung T D., Hong W T., Chyou Y P., Tu D D., Lin K F., Lee C H., Efficiency analyses of solid oxide fuel cell power plant ... 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...

Ngày tải lên: 05/09/2013, 16:10

... HSV ICE PV V Battery Car Body Conventional Vehicle Electric Generator Electric Motor Electric Node Fuel Horizontal Hybrid Electric Vehicle Hybrid Solar Vehicle Internal Combustion Engine Photovoltaic ... Nagayoshi H., Kamisako K (1997), Evaluation of an Electric Motor and Gasoline Engine Hybrid Car Using Solar Cells, Solar Energy Material and Solar Cells (47), 1997 [10] Seal M.R (1995), Viking 23 ... Pianese C., Rizzo G., Sorrentino M (2005); A Parametric Study of the Design Variables for a Hybrid Electric Car with Solar Cells, Proc of METIME Conference, June 2-3, 2005, University of Galati,...

Ngày tải lên: 30/03/2014, 10:20

... series/parallel/mild hybrid electric drive train design methodologies, energy storage systems, regenerative braking, fuel cells and their applications in vehicles, and fuel cell hybrid electric drive train design ... Hybrid Electric Vehicles 5.1 Concept of Hybrid Electric Drive Trains 5.2 Architectures of Hybrid Electric Drive Trains 5.2.1 Series Hybrid Electric ... systematic design of fuel cell hybrid drive trains is introduced First, the concept of fuel cell hybrid vehicles is established Then, their xviii Preface operating principles and drive train control...

Ngày tải lên: 27/06/2014, 01:21

... 52,000 cycles have been completed and the cells are continuing to cycle G.J May et al / Journal of Power Sources 195 (2010) 4520–4524 Cell design The cell was designed to have a nominal capacity of ... provides a measure of total cell efficiency and the double lug designs were ranked highest, followed by the double tab designs with a central current collector The radial designs did not provide significant ... and 20 h capacity (below) against time Fig Simplified hybrid electric vehicle test results The cells were cycled until they reached 1.83 V per cell and then subjected to a conditioning cycle in...

Ngày tải lên: 05/07/2014, 20:21

... solid oxide fuel cell See also: Applications – Stationary: Fuel Cells; Residential Energy Supply: Fuel Cells; Applications – Transportation: Buses: Fuel Cells; Ships: Fuel Cells; Fuel Cells – Molten ... Process air Fuel Exhaust Reformers Figure Tubular solid oxide fuel cell (SOFC) stack design Figure Commercial fuel cell gas turbine (GT) hybrid system of Fuel Cell Energy (Courtesy of Fuel Cell Energy, ... downstream of the fuel cell (Figure 1) Essentially, fuel cell topping cycles use a fuel cell in the place of a combustor in the typical Brayton cycle The fuel cell is both the primary electricity generator...

Ngày tải lên: 06/07/2014, 02:20

... series/parallel/mild hybrid electric drive train design methodologies, energy storage systems, regenerative braking, fuel cells and their applications in vehicles, and fuel cell hybrid electric drive train design ... Hybrid Electric Vehicles 5.1 Concept of Hybrid Electric Drive Trains 5.2 Architectures of Hybrid Electric Drive Trains 5.2.1 Series Hybrid Electric ... systematic design of fuel cell hybrid drive trains is introduced First, the concept of fuel cell hybrid vehicles is established Then, their xviii Preface operating principles and drive train control...

Ngày tải lên: 06/07/2014, 07:20

... strategies mentioned above Although fuel cell vehicles are more efficient than hybrid vehicles, the cumulative fuel consumption by strategy a–b–f–g (a fuel cell vehicle in the second 20 years) ... vehicle itself weighed 209 kg 14 Modern Electric, Hybrid Electric, and Fuel Cell Vehicles and could carry a payload of 490 kg The range was around 65 km The design of this extraterrestrial vehicle, ... 16 Modern Electric, Hybrid Electric, and Fuel Cell Vehicles range incompatible with efficient operation Only with great difficulty could they be made compatible with the operation of a hybrid vehicle...

Ngày tải lên: 06/07/2014, 07:20

... 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] ... 2.2.5 Potential drop across the cell Useful work (electrical energy) is obtained from a fuel cell only when a current is drawn, but the actual cell potential, (Ecell), is decreased from its equilibrium ... micro PEM fuel cell with nature inspired gas flow channels Table Geometrical and operational parameters for base case conditions Parameter Symbol Value Cell length Lcell 5000 µm Cell width Wcell 5000...

Ngày tải lên: 09/09/2015, 10:17

... 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 ... However fuel cells usually provide very low DC voltage A fuel cell voltage is usually less than 1V when drawing a useful current Even with fuel cell stacks (tens or hundreds of single fuel cells ... for a fuel cell based power supply? How to design the converters? These questions lead me to one part of this research, the DC/DC converter design To regulate fuel cell stack voltage, fuel cell...

Ngày tải lên: 14/09/2015, 14:09

... 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 ... 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

... 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 ... 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 ... F.; Sundholm, G.; Walsby, N Membrane durability in a pem fuel cell studied using PVDF based radiation grafted membranes fuel cells Fuel Cells 2003; 3(1-2): 21-27 [5] Crum, M.; Liu, W Effective...

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 ... during fuel cell assembly (bolt assembling) The bolts provide the tightness and the electrical conductivity between the contact elements Secondly, additional mechanical stresses occur during fuel cell ... operate fuel cells Because of the gas consumption along the feeding channels and water production at the cathode, internal cell humidification is highly inhomogeneous Consequently, operating fuel cells...

Ngày tải lên: 05/09/2013, 14:58

... 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 ... F., Sundholm, G., Walsby, N Membrane Durability in a PEM Fuel Cell Studied Using PVDF Based Radiation Grafted Membranes Fuel Cells Fuel Cells 2003; 3(1-2), 21-27 ISSN 2076-2895 (Print), ISSN 2076-2909 ... air-breathing PEM fuel cell (quadratic) The temperature distribution in the air-breathing fuel cell is dependent on the membrane electrode assembly water content The net water balance of the cell is a...

Ngày tải lên: 05/09/2013, 14:58

... 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 ... differential between the fuel cell stack and the operating environment make thermal management a challenging problem in PEM fuel cells The temperature distribution inside the fuel cell has important ... 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...

Ngày tải lên: 05/09/2013, 14:58

... 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 [8, 9] In a real PEM fuel cell geometry, the gas ... of PEM fuel cell s performance Results showed a better distribution of reactant species in this design of the perforated type gas distributor One of the new architectures in PEM fuel cell design ... 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 different specific...

Ngày tải lên: 05/09/2013, 14:58

... 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 ... makes the fuel cells very attractive and efficient for applications with highly variable loads where most of the time the fuel cell is operated at low load and high efficiency The fuel cell nominal ... which can be selected for any fuel cell based on economic rather than physical constraints For example, for a fuel cell at a reactant pressures of atm and 65 C cell temperature, one may select...

Ngày tải lên: 05/09/2013, 14:58