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| Author | : Zhen-Xing Liang |
| Publisher | : Royal Society of Chemistry |
| Total Pages | : 265 |
| Release | : 2012 |
| Genre | : Science |
| ISBN | : 1849734054 |
This book presents a state-of-the-art review on recent advances in nanocatalysts and electrocatalysis in DOFCs.
| Author | : Ramiz Gültekin Akay |
| Publisher | : Academic Press |
| Total Pages | : 328 |
| Release | : 2020-09-28 |
| Genre | : Science |
| ISBN | : 0128186240 |
Direct Liquid Fuel Cells is a comprehensive overview of the fundamentals and specificities of the use of methanol, ethanol, glycerol, formic acid and formate, dimethyl ether, borohydride, hydrazine and other promising liquid fuels in fuel cells. Each chapter covers a different liquid fuel-based fuel cell such as: Anode catalysts of direct methanol fuel cells (DMFCs), future system designs and future trends for direct ethanol fuel cells (DEFCs), development of catalysts for direct glycerol fuel cells (DGFCs), the mechanisms of the reactions taking place at the anode and cathode electrodes, and the reported anode catalysts for direct formic acid fuel cell (DFAFC) and direct formate fuel cell (DFFC), characteristics of direct dimethyl ether fuel cell (DDMEFC), including its electrochemical and operating systems and design, the developments in direct borohydride fuel cells, the development of catalysts for direct hydrazine fuel cells (DHFCs), and also the uncommonly used liquids that have a potential for fuel cell applications including 2-propanol, ethylene glycol, ascorbic acid and ascorbate studied in the literature as well as utilization of some blended fuels. In each part, the most recent literature is reviewed and the state of the art is presented. It also includes examples of practical problems with solutions and a summarized comparison of performance, advantages, and limitations of each type of fuel cell discussed. Direct Liquid Fuel Cells is not a typical textbook but rather designed as a reference book of which any level of students (undergraduate or graduate), instructors, field specialists, industry and general audience, who benefit from current and complete understanding of the many aspects involved in the development and operation of these types of fuel cells, could make use of any chapter when necessary. Presents information on different types of direct liquid fuel cells. Explores information under each section, for specific fuel-based fuel cells in more detail in terms of the materials used. Covers three main sections: direct alcohol, organic fuel-based and inorganic fuel-based fuel cells
| Author | : Horacio R. Corti |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 377 |
| Release | : 2013-12-02 |
| Genre | : Science |
| ISBN | : 9400777086 |
Direct Alcohol Fuel Cells: Materials, Performance, Durability and Applications begins with an introductory overview of direct alcohol fuel cells (DAFC); it focuses on the main goals and challenges in the areas of materials development, performance, and commercialization. The preparation and the properties of the anodic catalysts used for the oxidation of methanol, higher alcohols, and alcohol tolerant cathodes are then described. The membranes used as proton conductors in DAFC are examined, as well as alkaline membranes, focusing on the electrical conductivity and alcohol permeability. The use of different kinds of carbon materials as catalyst supports, gas diffusion layers, and current collectors in DAFC is also discussed. State of the art of the modeling is used to estimate performance and durability. The closing chapter reviews the use of DAFC in portable equipment and mobile devices and features a detailed discussion on the mechanisms of component degradation which limits their durability. This book is written to facilitate the understanding of DAFC technology, applications, and future challenges. It is an excellent introduction for electrochemical and material engineers interested in small fuel cells as portable energy sources, scientists focused on materials science for energy production and storage, as well as policy-makers in the area of renewable energies.
| Author | : Inamuddin |
| Publisher | : Materials Research Forum LLC |
| Total Pages | : 398 |
| Release | : 2019-05-25 |
| Genre | : Technology & Engineering |
| ISBN | : 1644900181 |
Alcohol fuel cells are very attractive as power sources for mobile and portable applications. As they convert the chemical energy of fuels into electricity, much recent research is directed at developing suitable and efficient catalysts for the process. The present book focuses on pertinent types of nanomaterial-based catalysts, membranes and supports.
| Author | : Alexandra M. F. R. Pinto |
| Publisher | : Academic Press |
| Total Pages | : 356 |
| Release | : 2018-09-08 |
| Genre | : Technology & Engineering |
| ISBN | : 0128118989 |
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 | : Fatih Şen |
| Publisher | : Elsevier |
| Total Pages | : 556 |
| Release | : 2021-08-25 |
| Genre | : Technology & Engineering |
| ISBN | : 0128217146 |
Nanomaterials for Direct Alcohol Fuel Cells explains nanomaterials and nanocomposites as well as the characterization, manufacturing, and design of alcohol fuel cell applications. The advantages of direct alcohol fuel cells (DAFCs) are significant for reliable and long-lasting portable power sources used in devices such as mobile phones and computers. Even though substantial improvements have been made in DAFC systems over the last decade, more effort is needed to commercialize DAFCs by producing durable, low-cost, and smaller-sized devices. Nanomaterials have an important role to play in achieving this aim. The use of nanotechnology in DAFCs is vital due to their role in the synthesis of nanocatalysts within the manufacturing process. Lately, nanocatalysts containing carbon such as graphene, carbon nanotubes, and carbon nanocoils have also attracted much attention. When compared to traditional materials, carbon-based materials have unique advantages, such as high corrosion resistance, better electrical conductivity, and less catalyst poisoning. This book also covers different aspects of nanocomposites fabrication, including their preparation, design, and characterization techniques for their fuel cell applications. This book is an important reference source for materials scientists, engineers, energy scientists, and electrochemists who are seeking to improve their understanding of how nanomaterials are being used to enhance the efficiency and lower the cost of DAFCs. - Shows how nanomaterials are being used for the design and manufacture of DAFCs - Explores how nanotechnology is being used to enhance the synthesis and catalysis processes to create the next generation of fuel cells - Assesses the major challenges of producing nanomaterial-based DAFCs on an industrial scale
| Author | : Thiago dos Santos Almeida |
| Publisher | : Elsevier Inc. Chapters |
| Total Pages | : 44 |
| Release | : 2013-07-11 |
| Genre | : Science |
| ISBN | : 012808216X |
| Author | : Yixuan Wang |
| Publisher | : CRC Press |
| Total Pages | : 299 |
| Release | : 2016-12-01 |
| Genre | : Science |
| ISBN | : 9814669016 |
Direct alcohol fuel cells (DAFCs), such as methanol and ethanol ones, are very promising advanced power systems that may considerably reduce dependence on fossil fuels and are, therefore, attracting increased attention worldwide. Nanostructured materials can improve the performance of the cathodes, anodes, and electrolytes of DAFCs. This book focuses on the most recent advances in the science and technology of nanostructured materials for direct alcohol fuel cells, including novel non-noble or low noble metal catalysts deposited on the graphene layer and metal-free doped carbon black for oxygen electroreduction reaction, Sn-based bimetallic and trimetallic nanoparticles for alcohol electro-oxidation reaction, and novel nanomaterials for promoting proton transfer in electrolytes. In addition, the book includes chapters from not only experimentalists but also computational chemists who have worked in the development of advanced power systems for decades. Illustrated throughout with excellent figures, this multidisciplinary work is not just a reference for researchers in chemistry and materials science, but a handy textbook for advanced undergraduate- and graduate-level students in nanoscience- and nanotechnology-related courses, especially those with an interest in developing novel materials for advanced power systems.
| Author | : Thandavarayan Maiyalagan |
| Publisher | : John Wiley & Sons |
| Total Pages | : 614 |
| Release | : 2017-09-25 |
| Genre | : Technology & Engineering |
| ISBN | : 3527341323 |
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.
| Author | : Eungje Lee |
| Publisher | : |
| Total Pages | : 320 |
| Release | : 2010 |
| Genre | : |
| ISBN | : |
Direct alcohol fuel cells (DAFC) are attracting considerable interest to meet a variety of energy needs as they offer higher efficiency with less pollution compared to other conventional energy-conversion devices. However, the sluggish alcohol oxidation reaction kinetics and durability problems of the conventional Pt-Ru anode catalyst hamper the commercialization of the DAFC systems. With an aim to overcome these problems, there have been intensive efforts to alloy Pt-Ru with other metals. Although such strategies have led to some enhancement in activity, the durability problem caused by the instability of Ru could still not be alleviated. In this regard, this dissertation focuses on the development of non-Ru electrocatalysts with high activity and durability for DAFC applications. First, Ru-free, Pt-based bimetallic electrocatalysts for methanol oxidation reaction (MOR) were studied. Particularly, Pt-Sn and Pt-CeO2 catalysts were synthesized, respectively, by a polyol method and a one-step reverse microemulsion (RME) method. The prepared samples are investigated for phase and morphological evaluations by various material-characterization techniques. Cyclic voltammetry and accelerated durability tests revealed that these alternative catalysts have much higher stability with a catalytic activity for MOR comparable to that of Pt-Ru. In the case of Pt-CeO2, an improved particle morphology is obtained by the RME synthesis, and the advantage of the RME method is reflected by a higher catalytic activity in comparison to that of Pt-CeO2 synthesized by the conventional synthesis method. It has been known that Pt-Sn is better than Pt-Ru for ethanol oxidation reaction (EOR), and the direct ethanol fuel cells (DEFC) employing Pt-Sn as the anode catalyst have better durability than the DMFC system employing a Pt-Ru anode catalyst. Therefore, this dissertation then focused on the enhancement of the catalytic activity for EOR by incorporating a third metal M to the Pt-Sn catalyst. Following the synthesis and characterization of the Pt-Sn-M (M = Mo and Pd) alloys, the effect of M on the enhanced catalytic activity of Pt-Sn-M is presented. The activity enhancement of the above catalysts is based on the promoting effect of the second or third elements added to Pt. However, in the final chapter of this dissertation, the activity enhancement of Pt nanoparticle itself through the formation of low energy surfaces is investigated. Carbon-supported Pt nanoparticles are synthesized in mixed water-ethylene glycol solvent, and the positive effect of the mixed solvent on both the morphology and surface structure of the Pt nanoparticles for COad oxidation is discussed.
