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Author: Shimshon Gottesfeld
Publisher: The Electrochemical Society
ISBN: 9781566772211
Category : Science
Languages : en
Pages : 524
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Book Description
Author: Shimshon Gottesfeld
Publisher: The Electrochemical Society
ISBN: 9781566772211
Category : Science
Languages : en
Pages : 524
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Book Description
Author: Javaid Zaidi
Publisher: Springer Science & Business Media
ISBN: 0387735321
Category : Science
Languages : en
Pages : 439
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Book Description
From the late-1960’s, perfluorosulfonic acid (PFSAs) ionomers have dominated the PEM fuel cell industry as the membrane material of choice. The “gold standard’ amongst the many variations that exist today has been, and to a great extent still is, DuPont’s Nafion® family of materials. However, there is significant concern in the industry that these materials will not meet the cost, performance, and durability requirementsnecessary to drive commercialization in key market segments – es- cially automotive. Indeed, Honda has already put fuel cell vehicles in the hands of real end users that have home-grown fuel cell stack technology incorporating hydrocarbon-based ionomers. “Polymer Membranes in Fuel Cells” takes an in-depth look at the new chem- tries and membrane technologies that have been developed over the years to address the concerns associated with the materials currently in use. Unlike the PFSAs, which were originally developed for the chlor-alkali industry, the more recent hydrocarbon and composite materials have been developed to meet the specific requirements of PEM Fuel Cells. Having said this, most of the work has been based on derivatives of known polymers, such as poly(ether-ether ketones), to ensure that the critical requirement of low cost is met. More aggressive operational requi- ments have also spurred the development on new materials; for example, the need for operation at higher temperature under low relative humidity has spawned the creation of a plethora of new polymers with potential application in PEM Fuel Cells.
Author: John William Van Zee
Publisher:
ISBN:
Category : Diaphragms (Mechanical devices)
Languages : en
Pages : 314
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Book Description
Author: Alhussein Albarbar
Publisher: Springer
ISBN: 3319707272
Category : Technology & Engineering
Languages : en
Pages : 172
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Book Description
This book examines the characteristics of Proton Exchange Membrane (PEM) Fuel Cells with a focus on deriving realistic finite element models. The book also explains in detail how to set up measuring systems, data analysis, and PEM Fuel Cells’ static and dynamic characteristics. Covered in detail are design and operation principles such as polarization phenomenon, thermodynamic analysis, and overall voltage; failure modes and mechanisms such as permanent faults, membrane degradation, and water management; and modelling and numerical simulation including semi-empirical, one-dimensional, two-dimensional, and three-dimensional models. It is appropriate for graduate students, researchers, and engineers who work with the design and reliability of hydrogen fuel cells, in particular proton exchange membrane fuel cells.
Author:
Publisher:
ISBN:
Category : Fuel Cells
Languages : en
Pages : 568
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Book Description
Author: Timothy E. Lipman
Publisher: Springer
ISBN: 9781493977888
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
The expected end of the “oil age” will lead to increasing focus and reliance on alternative energy conversion devices, among which fuel cells have the potential to play an important role. Not only can phosphoric acid and solid oxide fuel cells already efficiently convert today’s fossil fuels, including methane, into electricity, but other types of fuel cells, such as polymer electrolyte membrane fuel cells, have the potential to become the cornerstones of a possible future hydrogen economy. This handbook offers concise yet comprehensive coverage of the current state of fuel cell research and identifies key areas for future investigation. Internationally renowned specialists provide authoritative introductions to a wide variety of fuel cell types and hydrogen production technologies, and discuss materials and components for these systems. Sustainability and marketing considerations are also covered, including comparisons of fuel cells with alternative technologies.
Author: Philippe Knauth
Publisher: John Wiley & Sons
ISBN: 0470669373
Category : Technology & Engineering
Languages : en
Pages : 426
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Book Description
Proton conduction can be found in many different solid materials, from organic polymers at room temperature to inorganic oxides at high temperature. Solid state proton conductors are of central interest for many technological innovations, including hydrogen and humidity sensors, membranes for water electrolyzers and, most importantly, for high-efficiency electrochemical energy conversion in fuel cells. Focusing on fundamentals and physico-chemical properties of solid state proton conductors, topics covered include: Morphology and Structure of Solid Acids Diffusion in Solid Proton Conductors by Nuclear Magnetic Resonance Spectroscopy Structure and Diffusivity by Quasielastic Neutron Scattering Broadband Dielectric Spectroscopy Mechanical and Dynamic Mechanical Analysis of Proton-Conducting Polymers Ab initio Modeling of Transport and Structure Perfluorinated Sulfonic Acids Proton-Conducting Aromatic Polymers Inorganic Solid Proton Conductors Uniquely combining both organic (polymeric) and inorganic proton conductors, Solid State Proton Conductors: Properties and Applications in Fuel Cells provides a complete treatment of research on proton-conducting materials.
Author: Stephen J. Paddison
Publisher: Springer Science & Business Media
ISBN: 0387786910
Category : Technology & Engineering
Languages : en
Pages : 596
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Book Description
Computational studies on fuel cell-related issues are increasingly common. These studies range from engineering level models of fuel cell systems and stacks to molecular level, electronic structure calculations on the behavior of membranes and catalysts, and everything in between. This volume explores this range. It is appropriate to ask what, if anything, does this work tell us that we cannot deduce intuitively? Does the emperor have any clothes? In answering this question resolutely in the affirmative, I will also take the liberty to comment a bit on what makes the effort worthwhile to both the perpetrator(s) of the computational study (hereafter I will use the blanket terms modeler and model for both engineering and chemical physics contexts) and to the rest of the world. The requirements of utility are different in the two spheres. As with any activity, there is a range of quality of work within the modeling community. So what constitutes a useful model? What are the best practices, serving both the needs of the promulgator and consumer? Some of the key com- nents are covered below. First, let me provide a word on my ‘credentials’ for such commentary. I have participated in, and sometimes initiated, a c- tinuous series of such efforts devoted to studies of PEMFC components and cells over the past 17 years. All that participation was from the experim- tal, qualitative side of the effort.
Author: M. Murthy
Publisher: The Electrochemical Society
ISBN: 9781566774550
Category : Science
Languages : en
Pages : 562
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Book Description
"This volume contains papers presented at the 3rd Symposium on Proton Conducting Membrane Fuel Cells, which took place at the Salt Lake City ECS meeting in the fall of 2002."--p. iii.
Author: Philippe Colomban
Publisher: Cambridge University Press
ISBN: 9780521383172
Category : Science
Languages : en
Pages : 618
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Book Description
This book gives a comprehensive review of proton conductors, including theory, techniques, the materials themselves and applications.
