Designing and Building Fuel Cells by Colleen Spiegel PDF

By Colleen Spiegel

ISBN-10: 0071489770

ISBN-13: 9780071489775

Collect an All-in-One Toolkit for Expertly Designing, Modeling, and developing High-Performance gasoline Cells Designing and development gas Cells equips you with a hands-on advisor for the layout, modeling, and development of gasoline cells that practice in addition or greater than the very best gas cells out there this present day. jam-packed with over one hundred twenty illustrations and schematics of gas cells and elements, this “one-stop” consultant covers gas telephone applications…fuels and the hydrogen economy…fuel telephone chemistry, thermodynamics, and electrochemistry…fuel telephone modeling, fabrics, and process design…fuel forms, supply, and processing…fuel telephone working conditions…fuel phone characterization…and even more. Authoritative and functional, Designing and development gasoline Cells gains: entire details on stack layout the most recent gas telephone modeling ideas suggestions on state-of-the-art fabrics and elements specialist debts of gas mobilephone forms, processing, and optimization A step by step instance for developing a gasoline mobilephone inside of This cutting-edge gas telephone Sourcebook creation • gas phone functions • gas Cells and the Hydrogen economic climate • uncomplicated gas mobilephone Chemistry and Thermodynamics • gas cellphone Electrochemistry • gas cellphone cost shipping • gas telephone Mass delivery • gas telephone warmth delivery • gasoline cellphone Modeling • gas mobile fabrics • gasoline mobile Stack elements and fabrics • gasoline mobilephone Stack layout • gas telephone method layout • gasoline kinds, supply, and Processing • gasoline mobile working stipulations • gas cellphone Characterization

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The fuel cell would typically operate at a temperature between room temperature to 100ЊC. This is a relatively low temperature range, which makes this fuel cell attractive for tiny to mid-sized applications. Many companies are working on DMFC prototypes used by the military 46 Chapter Three LOAD 2e− CO2, Water, Methanol CH3OH + H2O → 2e− H+ + 6H+ → 3H2O 6H+ + CO2 Methanol/Water Air (O2) Negative Electrode Figure 3-6 H2O, N2, O2 3/2 O 2 Proton Exchange Membrane Positive Electrode A direct methanol liquid-feed fuel cell (DMFC).

Government’s strategy is to focus on high-risk applied R&D. 2 billion program known as the Hydrogen Fuel Initiative [4]. The DOE has identified four phases in the transition to the hydrogen economy [4]: The United States. 1. The government and private sector will conduct R&D and develop industry standards. In 2015, the administration will make a decision on whether the technologies will be commercialized in the near term, and how much R&D should be continued [4]. 2. As early as 2010, the government will begin modification of the existing infrastructure to support hydrogen applications.

A reaction diagram of a biological fuel cell is shown in Figure 3-9. In bacteria cells, mitochondria serve as the energy storage unit by accumulating or releasing chemical energy in the form of substances like nicotinamide adenine dinucleotide with high-energy hydrogen (NADH) or nicotinamide adenosine dinucleotide phosphate (NADPH). The NADH and NADPH act as electron transfer paths from the substrate to the metabolites. The NADH/NAD ratio increases as oxygen limitation becomes more severe [14].

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Designing and Building Fuel Cells by Colleen Spiegel

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