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Author: S. Kakaç
Publisher: Springer Science & Business Media
ISBN: 1402082959
Category : Science
Languages : en
Pages : 436
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Book Description
This volume contains an archival record of the NATO Advanced Institute on Mini – Micro Fuel Cells – Fundamental and Applications held in Çesme – Izmir, Turkey, July 22–August 3, 2007. The ASIs are intended to be a high-level teaching activity in scientific and technical areas of current concern. In this volume, the reader may find interesting chapters on Mini- Micro Fuel Cells with fundamentals and applications. In recent years, fu- cell development, modeling and performance analysis has received much attention due to their potential for distributed power which is a critical issue for energy security and the environmental protection. Small fuel cells for portable applications are important for the security. The portable devices (many electronic and wireless) operated by fuel cells for providing all-day power, are very valuable for the security, for defense and in the war against terrorism. Many companies in NATO and non-NATO countries have concentrated to promote the fuel cell industry. Many universities with industrial partners committed to the idea of working together to develop fuel cells. As tech- logy advanced in the 1980s and beyond, many government organizations joined in spending money on fuel-cell research. In recent years, interest in using fuel cells to power portable electronic devices and other small equipment (cell phones, mobile phones, lab-tops, they are used as micro power source in biological applications) has increased partly due to the promise of fuel cells having higher energy density.
Author: S. Kakaç
Publisher: Springer Science & Business Media
ISBN: 1402082959
Category : Science
Languages : en
Pages : 436
Get Book Here
Book Description
This volume contains an archival record of the NATO Advanced Institute on Mini – Micro Fuel Cells – Fundamental and Applications held in Çesme – Izmir, Turkey, July 22–August 3, 2007. The ASIs are intended to be a high-level teaching activity in scientific and technical areas of current concern. In this volume, the reader may find interesting chapters on Mini- Micro Fuel Cells with fundamentals and applications. In recent years, fu- cell development, modeling and performance analysis has received much attention due to their potential for distributed power which is a critical issue for energy security and the environmental protection. Small fuel cells for portable applications are important for the security. The portable devices (many electronic and wireless) operated by fuel cells for providing all-day power, are very valuable for the security, for defense and in the war against terrorism. Many companies in NATO and non-NATO countries have concentrated to promote the fuel cell industry. Many universities with industrial partners committed to the idea of working together to develop fuel cells. As tech- logy advanced in the 1980s and beyond, many government organizations joined in spending money on fuel-cell research. In recent years, interest in using fuel cells to power portable electronic devices and other small equipment (cell phones, mobile phones, lab-tops, they are used as micro power source in biological applications) has increased partly due to the promise of fuel cells having higher energy density.
Author: Tim Zhao
Publisher: Academic Press
ISBN: 0080878873
Category : Technology & Engineering
Languages : en
Pages : 312
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Book Description
Today's consumers of portable electronics consumers are demanding devices not only deliver more power but also work healthy for the environment. This fact alone has lead major corporations like Intel, BIC, Duracell and Microsoft to believe that Microfuel Cells could be the next-generation power source for electronic products. Compact and readable, Microfuels Principles and Applications, offers engineers and product designers a reference unsurpassed by any other in the market. The book starts with a clear and rigorous exposition of the fundamentals engineering principles governing energy conversion for small electronic devices, followed by self-contained chapters concerning applications. The authors provide original points of view on all types of commercially available micro fuel cells types, including micro proton exchange membrane fuel cells, micro direct methanol fuel cells, micro solid oxide fuel cells and micro bio-fuel cells. The book also contains a detailed introduction to the fabrication of the components and the assembly of the system, making it a valuable reference both in terms of its application to product design and understanding micro engineering principles. An overview of the micro fuel cell systems and applications A detailed introduction to the fabrication of the components and the assembly of the system Original points of view on prospects of micro fuel cells
Author: Janet Hur
Publisher:
ISBN:
Category :
Languages : en
Pages : 93
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Book Description
This dissertation summarizes our progress towards miniature fuel cells that could replace and outperform small batteries to meet various power demands. With increasing need of power being critical for portable electronics, the demand for better batteries continues to grow. Lithium-ion batteries dominate the market at the moment, but the current capacities on the order of 200 Wh/kg are approaching their inherent limits. Many researchers have being pursuing alternative power sources, forming a rapidly growing field in engineering and science. For applications too small for batteries (below 1 cm and even 1 mm), currently no proper power source is available, despite over a decade of significant efforts by many in power micro electromechanical systems (power MEMS). Encouraged by the advantages of their macro counterparts, micro fuel cells have received attention as a potentially powerful, efficient, and clean power source for miniature applications, resulting in extensive research in micro fuel cells and even commercial introduction of some small fuel cells. However, they are not yet powerful enough to consider someday replacing batteries for a wide range of portable applications. While the promise of fuel cells is in their high theoretical energy density, unfortunately the promise is lost in current portable fuel cells because of their complex system that includes ancillary components such as mechanical pump, reformer, pressurized oxygen source, and gas separator. This dissertation summarizes our attempt to realize a full (i.e., complete, standalone) fuel cell with small footprint, extending the spirit of self-pumped fuel that eliminated ancillary components in the active fuel circulation system to self-controlled oxygen generation for a packaged oxidant supply. We first eliminate fuel pump, gas separator, membrane electrode assembly (MEA) and even pressurized oxygen tank to make anodic chamber simple and self-regulating. As the next step towards realizing a full fuel cell stackable as batteries, we develop a self-regulating oxygen generation system that supplies oxygen within the fuel cell, i.e., not relying on the ambient air. For our final goal, we integrate the self-pumped fuel supply and the self-regulated oxygen supply into one device to prove the concept of a full fuel cell suitable for a stacked configuration.
Author: Shawn Christopher Kelley
Publisher:
ISBN:
Category :
Languages : en
Pages : 674
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Book Description
Author: Alexandra M. F. R. Pinto
Publisher: Academic Press
ISBN: 0128118989
Category : Technology & Engineering
Languages : en
Pages : 356
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Book Description
Direct Alcohol Fuel Cells for Portable Applications: Fundamentals, Engineering and Advances presents the fundamental concepts, technological advances and challenges in developing, modeling and deploying fuel cells and fuel cell systems for portable devices, including micro and mini fuel cells. The authors review the fundamental science of direct alcohol fuel cells, covering, in detail, thermodynamics, electrode kinetics and electrocatalysis of charge-transfer reactions, mass and heat transfer phenomena, and basic modeling aspects. In addition, the book examines other fuels in DAFCs, such as formic acid, ethylene glycol and glycerol, along with technological aspects and applications, including case studies and cost analysis. Researchers, engineering professionals, fuel cell developers, policymakers and senior graduate students will find this a valuable resource. The book’s comprehensive coverage of fundamentals is especially useful for graduate students, advanced undergraduate students and those new to the field. Provides a comprehensive understanding of the fundamentals of DAFCs and their basic components, design and performance Presents current and complete information on the state-of-the-art of DAFC technology and its most relevant challenges for commercial deployment Includes practical application examples, problems and case studies Covers the use of other fuels, such as formic acid, ethylene glycol and glycerol
Author: Dennis Y.C. Leung
Publisher: CRC Press
ISBN: 1315815079
Category : Science
Languages : en
Pages : 337
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Book Description
Fuel cells are clean and efficient energy conversion devices expected to be the next generation power source. During more than 17 decades of research and development, various types of fuel cells have been developed with a view to meet the different energy demands and application requirements. Scientists have devoted a great deal of time and effort
Author: Debabrata Das
Publisher: Springer
ISBN: 3319667939
Category : Technology & Engineering
Languages : en
Pages : 508
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Book Description
This book represents a novel attempt to describe microbial fuel cells (MFCs) as a renewable energy source derived from organic wastes. Bioelectricity is usually produced through MFCs in oxygen-deficient environments, where a series of microorganisms convert the complex wastes into electrons via liquefaction through a cascade of enzymes in a bioelectrochemical process. The book provides a detailed description of MFC technologies and their applications, along with the theories underlying the electron transfer mechanisms, the biochemistry and the microbiology involved, and the material characteristics of the anode, cathode and separator. It is intended for a broad audience, mainly undergraduates, postgraduates, energy researchers, scientists working in industry and at research organizations, energy specialists, policymakers, and anyone else interested in the latest developments concerning MFCs.
Author: Shin’ya Obara
Publisher: Springer Science & Business Media
ISBN: 1848003404
Category : Technology & Engineering
Languages : en
Pages : 264
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Book Description
Fuel Cell Micro-grids describes an energy supply method based on a network of two or more proton exchange membrane fuel cells (PEM-FC). Such a network enables the effective use of exhaust heat, the simplification of the transmission network, the possibility of backup during disruptive hazards and the consideration of regional factors. Furthermore, green energy and renewable energy systems can be connected to the network, to function in cooperation with the fuel cells. For these reasons, it is believed that an increasing number of applications will make use of such fuel cell energy networks. Fuel Cell Micro-grids analyses the operation plan of these new energy supply methods using genetic algorithms. The book explains the results of the analysis of the optimization operation plan, energy cost, and greenhouse gas discharge characteristics for many application cases of the fuel cell network.
Author: Wolf Vielstich
Publisher: John Wiley & Sons
ISBN: 0470723114
Category : Technology & Engineering
Languages : en
Pages : 1090
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Book Description
A timely addition to the highly acclaimed four-volume handbook set; volumes 5 and 6 highlight recent developments, particularly in the fields of new materials, molecular modeling and durability. Since the publication of the first four volumes of the Handbook of Fuel Cells in 2003, the focus of fuel cell research and development has shifted from optimizing fuel cell performance with well-known materials to developing new materials concepts, and to understanding the origins of materials and fuel cell degradation. This new two-volume set provides an authoritative and timely guide to these recent developments in fuel cell research.
Author: Thandavarayan Maiyalagan
Publisher: John Wiley & Sons
ISBN: 3527341323
Category : Technology & Engineering
Languages : en
Pages : 614
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Book Description
Meeting the need for a text on solutions to conditions which have so far been a drawback for this important and trend-setting technology, this monograph places special emphasis on novel, alternative catalysts of low temperature fuel cells. Comprehensive in its coverage, the text discusses not only the electrochemical, mechanistic, and material scientific background, but also provides extensive chapters on the design and fabrication of electrocatalysts. A valuable resource aimed at multidisciplinary audiences in the fields of academia and industry.
