Download Polymer Electrolyte Fuel Cell Durability by Felix N. Büchi, Minoru Inaba, Thomas J. Schmidt PDF

By Felix N. Büchi, Minoru Inaba, Thomas J. Schmidt

A significant a part of the competitiveness hole of polymer electrolyte gas cellphone (PEFC) know-how in automobile and desk bound co-generation purposes is due loss of sturdiness. This ebook analyzes the appropriate degradation procedures in PEFC at the point of elements, cells and stacks, and functions. favorite authors from the PEFC box describe and study in 23 chapters the proper degradation mechanisms and mitigation strategies.

Show description

Read Online or Download Polymer Electrolyte Fuel Cell Durability PDF

Best alternative & renewable books

The Solar Economy: Renewable Energy for a Sustainable Global Future

The worldwide economic climate and our lifestyle are according to the exploitation of fossil fuels, which not just threaten mammoth environmental and social disruption via worldwide warming yet, at the moment charges of intake, will run out inside of a long time, inflicting large business dislocation and financial cave in.

A Renewable World: Energy, Ecology, Equality

Weather switch and effort shortages are set to turn into the best demanding situations for humanity within the twenty-first century. whereas a couple of experiences have given a few indication approximately what should be performed to return to grips with those difficulties, little or no has been written approximately how those invaluable alterations will be led to.

Renewable Energy and Climate Change

This stunning introductory textbook encompasses the whole diversity of modern day vital renewable strength applied sciences. sunlight thermal, photovoltaic, wind, hydro, biomass and geothermal strength obtain balanced therapy with one interesting and informative bankruptcy dedicated to every one. in addition to an entire review of those state of the art applied sciences, the chapters offer: transparent research on their improvement potentials; an overview of the industrial features concerned; concrete counsel for sensible implementation; the way to decrease your personal power waste.

Modeling and Control of Fuel Cells: Distributed Generation Applications

The single booklet on hand on gasoline cellphone modeling and regulate with dispensed strength iteration applicationsThe rising gas phone (FC) expertise is turning out to be quickly in its purposes from small-scale moveable electronics to large-scale energy iteration. This e-book offers scholars, engineers, and scientists a pretty good realizing of the FC dynamic modeling and controller layout to evolve FCs to specific functions in allotted strength iteration.

Additional info for Polymer Electrolyte Fuel Cell Durability

Sample text

2001). As can be seen from Table 1 under open circuit voltage (OCV) conditions, H2 or O2 cannot directly attack the membrane in the absence of a platinum catalyst. Even in the presence of platinum, significant membrane degradation is not observed when the membrane is exposed to a single type of gas (H2 or O2). It is also found that adsorbed oxygen species, in the form of electrochemically generated PtO, do not lead to membrane chemical degradation, even with the presence of H2 gas. It can be concluded that H2 and O2 molecules have to react on a catalytic surface (Pt in this case) to introduce membrane chemical degradation.

Soc. 154(7), B631. , and Kinoshita, K. (1992) The influence of Pt on the electrooxidation behavior of carbon in phosphoric acid, Electrochim. Acta, 37, 2725. W. M. (2006) Damage to the cathode catalyst of a PEM fuel cell caused by localized fuel cell starvation. Electrochem. , 9(4), A183. , and Reiser, C. , 3(1), 783. P. , 1(8), 67. D. (2005) A reverse-current decay mechanism for fuel cells. Electrochem. , 8(6), A273. , and Wise, H. (1974) Carbon gasification in the presence of metal catalysts, Fuel, 53, 274.

15, comparing the corrosion rates of Black Pearls, Ketjenblack, and Vulcan XC-72C carbon blacks catalyzed with approximately 50 wt% platinum, tested in 50-cm2 single cells operated with N2 (working electrode) and H2 (counter/reference electrode). Analogous to what was observed in Fig. 2 and consistent with the literature (Kinoshita and Bett 1973), the carbon corrosion rates decrease with time, following a power-law behavior with very similar time dependence. The carbon corrosion rates of these three types of MEAs were in the order Pt/Black Pearls > Pt/Ketjenblack > Pt/Vulcan XC-72C.

Download PDF sample

Rated 4.23 of 5 – based on 14 votes