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Polyoxometalates

ISBN: 9783038421610 9783038421627 Year: Pages: 254
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Added to DOAB on : 2016-05-12 11:55:09
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Novel Non-Precious Metal Electrocatalysts for Oxygen Electrode Reactions

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ISBN: 9783039215409 / 9783039215416 Year: Pages: 190 DOI: 10.3390/books978-3-03921-541-6 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Physics (General)
Added to DOAB on : 2019-12-09 11:49:16
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Research on alternative energy harvesting technologies, conversion and storage systems with high efficiency, cost-effective and environmentally friendly systems, such as fuel cells, rechargeable metal-air batteries, unitized regenerative cells, and water electrolyzers has been stimulated by the global demand on energy. The conversion between oxygen and water plays a key step in the development of oxygen electrodes: oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), processes activated mostly by precious metals, like platinum. Their scarcity, their prohibitive cost, and declining activity greatly hamper large-scale applications. This issue reports on novel non-precious metal electrocatalysts based on the innovative design in chemical compositions, structure, and morphology, and supports for the oxygen reaction.

Membrane and Membrane Reactors Operations in Chemical Engineering

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ISBN: 9783039210220 / 9783039210237 Year: Pages: 154 DOI: 10.3390/books978-3-03921-023-7 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering --- Environmental Engineering
Added to DOAB on : 2019-06-26 10:09:00
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This Special Issue is aimed at highlighting the potentialities of membrane and membrane reactor operations in various sectors of chemical engineering, based on application of the process intensification strategy. In all of the contributions, the principles of process intensification were pursued during the adoption of membrane technology, demonstrating how it may lead to the development of redesigned processes that are more compact and efficient while also being more environmental friendly, energy saving, and amenable to integration with other green processes. This Special Issue comprises a number of experimental and theoretical studies dealing with the application of membrane and membrane reactor technology in various scientific fields of chemical engineering, such as membrane distillation for wastewater treatment, hydrogen production from reforming reactions via inorganic membrane and membrane photoassisted reactors, membrane desalination, gas/liquid phase membrane separation of CO2, and membrane filtration for the recovery of antioxidants from agricultural byproducts, contributing to valorization of the potentialities of membrane operations.

Thin Films for Energy Harvesting, Conversion, and Storage

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ISBN: 9783039217243 / 9783039217250 Year: Pages: 174 DOI: 10.3390/books978-3-03921-725-0 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- Chemical Engineering
Added to DOAB on : 2019-12-09 11:49:16
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Efficient clean energy harvesting, conversion, and storage technologies are of immense importance for the sustainable development of human society. To this end, scientists have made significant advances in recent years regarding new materials and devices for improving the energy conversion efficiency for photovoltaics, thermoelectric generation, photoelectrochemical/electrolytic hydrogen generation, and rechargeable metal ion batteries. The aim of this Special Issue is to provide a platform for research scientists and engineers in these areas to demonstrate and exchange their latest research findings. This thematic topic undoubtedly represents an extremely important technological direction, covering materials processing, characterization, simulation, and performance evaluation of thin films used in energy harvesting, conversion, and storage.

Electrochemical Surface Science: Basics and Applications

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ISBN: 9783039216420 / 9783039216437 Year: Pages: 398 DOI: 10.3390/books978-3-03921-643-7 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Chemistry (General) --- Inorganic Chemistry
Added to DOAB on : 2019-12-09 11:49:15
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Electrochemical surface science (EC-SS) is the natural advancement of traditional surface science (where gas–vacuum/solid interfaces are studied) to liquid (solution)/electrified solid interfaces. Such a merging between two different disciplines—i.e., surface science (SS) and electrochemistry—officially advanced ca. three decades ago. The main characteristic of EC-SS versus electrochemistry is the reductionist approach undertaken, inherited from SS and aiming to understand the microscopic processes occurring at electrodes on the atomic level. A few of the exemplary keystone tools of EC-SS include EC-scanning probe microscopies, operando and in situ spectroscopies and electron microscopies, and differential EC mass spectrometry (DEMS). EC-SS indirectly (and often unconsciously) receives a great boost from the requirement for rational design of energy conversion and storage devices for the next generation of energetic landscapes. As a matter of fact, the number of material science groups deeply involved in such a challenging field has tremendously expanded and, within such a panorama, EC and SS investigations are intimately combined in a huge number of papers. The aim of this Special Issue is to offer an open access forum where researchers in the field of electrochemistry, surface science, and materials science could outline the great advances that can be reached by exploiting EC-SS approaches. Papers addressing both the basic science and more applied issues in the field of EC-SS and energy conversion and storage materials have been published in this Special Issue.

Keywords

electrosynthesis --- switchable surfaces --- alkoxyamine surfaces --- redox monolayers --- porphyrins --- self-assembly --- surface nanostructures --- in situ EC-STM --- metal-electrolyte interface --- potential-dependent structures --- combined non-covalent control --- ECALE --- CdS --- silver single crystals --- alkanthiols --- SAMs --- EQCM --- AES --- polypyrrole --- diazonium salts --- flexible ITO --- adhesion --- redox properties --- X-ray absorption spectroscopy --- energy dispersive --- quick-XAS --- FEXRAV --- free electron laser --- electrochemistry --- photoelectrochemistry --- photochemistry --- pump &amp --- probe --- oxygen evolution reaction --- water splitting --- iridium --- thin-films --- spin-coating --- model systems --- electrocatalysts --- oxygen evolution reaction --- iridium --- nickel --- electrodeposition --- model catalyst --- water oxidation --- CO oxidation --- DFT --- hydrogen adsorption --- Pt–Ru catalysts --- ordered mesoporous carbons --- graphitization --- CO oxidation --- methanol oxidation --- direct methanol fuel cells --- electrocatalysis --- catalysts --- methanol oxidation reaction --- graphene --- DMFC --- Pt --- SOFC --- cathode --- XAFS --- in situ --- cobalt oxide --- water oxidation --- photo-electrochemistry --- hydroxyl radical --- electro-oxidation --- Lead OPD --- surface alloy --- XPS --- UPS --- EF-PEEM --- ORR --- Platinum --- PVDF --- PEMFC --- in situ ambient pressure XPS --- hard X rays --- photoelectron simulations --- solid/liquid interface --- TiO2 --- APTES --- Cu(111) --- electrochemical interface --- in-situ X-ray diffraction --- carbon nanofiber --- porous fiber --- electrospinning --- mesopore --- micropore --- porogen --- ammonia activation --- surface area --- methanol oxidation --- platinum single crystals --- pH and concentration effects --- adsorbed OH --- reduced graphene oxide --- electrophoretic deposition --- surface chemistry --- click chemistry --- gold --- palladium --- bimetallic alloy --- carbon nanofibers (CNFs) --- cyclic voltammetry (CV) --- Surface Modification --- Blackening of Steel --- Magnetite --- Corrosion Protection --- Auger-Electron Spectroscopy --- Ordered mesoporous carbon --- nitrogen doping --- cobalt-based electrocatalyst --- bifunctional oxygen electrode --- solvothermal method --- underpotential deposition (upd) --- Au --- Pt --- Pd --- nanoparticles --- cyclic voltammetry --- electrocatalysis --- operando --- near ambient pressure XPS --- scanning photoelectron microscopy --- solid oxide fuel cells --- surface science --- electrodeposited alloys --- CO electro-oxidation --- Pt single-crystal electrodes --- potential cycling --- potential stepping --- surface reconstruction --- electrocatalysis --- oxygen reduction --- ORR --- gas diffusion electrode --- platinum --- fuel cells --- thin-films --- benchmarking --- mass transport --- formic acid oxidation --- Au nanocrystals --- Pd thin films --- electrocatalysis --- d-band theory --- polymer --- silicon nanoparticles --- EPR spectroscopy --- photoconversion --- n/a

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