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Solid oxide fuel cells --- Oxides --- Electrolysis

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Christian Rockenhäuser adresses phase formation and cation interdiffusion of the GdxCe1-xO2-x/2-and SmxCe1-xO2-x/2-material systems at temperatures ranging from 970 to 1270°C. Diffusion couples with CeO2/Sm2O3 and CeO2/Gd2O3 interfaces were fabricated for the investigations. The resulting reaction phases were investigated utilizing transmission electron microscopy (TEM) and allow conclusions regarding the phase diagrams in the examined temperature range. A miscibility gap can be ruled out for GdxCe1-xO2-x/2 across the whole composition range. Cation interdiffusion coefficients were determined for both material systems by measuring and evaluating concentration profiles at the material interfaces. The activation enthalpies for interdiffusion were calculated using the temperature dependence of the interdiffusion coefficients. The study for the first time compiles comprehensively the previous results regarding the phase diagrams of the two material systems since 1923.

Chemistry. --- Physical Chemistry. --- Engineering Thermodynamics, Heat and Mass Transfer. --- Materials Science, general. --- Energy Systems. --- Chemistry, Physical organic. --- Engineering. --- Materials. --- Chimie --- Ingénierie --- Matériaux --- Chemistry --- Physical Sciences & Mathematics --- Physical & Theoretical Chemistry --- Solid oxide fuel cells. --- Ceramic fuel cells --- SOFCs (Solid oxide fuel cells) --- Energy systems. --- Physical chemistry. --- Thermodynamics. --- Heat engineering. --- Heat transfer. --- Mass transfer. --- Materials science. --- Material science --- Physical sciences --- Mass transport (Physics) --- Thermodynamics --- Transport theory --- Heat transfer --- Thermal transfer --- Transmission of heat --- Energy transfer --- Heat --- Mechanical engineering --- Chemistry, Physical and theoretical --- Dynamics --- Mechanics --- Physics --- Heat-engines --- Quantum theory --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Fuel cells --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Construction --- Industrial arts --- Technology --- Chemistry, Physical organic --- Chemistry, Organic --- Materials

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'Direct Microbial Conversion of Biomass to Advanced Biofuels' is a stylized text that is rich in both the basic and applied sciences. It provides a higher level summary of the most important aspects of the topic, addressing critical problems solved by deep science. Expert users will find new, critical methods that can be applied to their work, detailed experimental plans, important outcomes given for illustrative problems, and conclusions drawn for specific studies that address broad based issues. A broad range of readers will find this to be a comprehensive, informational text on the s

Biomass conversion --- Biomass energy --- Environmental aspects. --- Economic aspects. --- Bio-energy (Biomass energy) --- Bioenergy (Biomass energy) --- Biofuels --- Biological fuels --- Energy, Biomass --- Microbial energy conversion --- Energy conversion --- Fuel --- Energy crops --- Microbial fuel cells --- Refuse as fuel --- Waste products as fuel --- Microbial biotechnology

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Biomass presents an authoritative and comprehensive overview of the possibilities for production and use of biomasses of agricultural and industrial importance. Issues related to environment, food, chemicals and energy present serious challenges to the success and stability of nations. The challenge to provide commodities to a rapidly increasing global population has made it imperative to find new technological routes to increase production of consumables while also considering the biospheres ability to regenerate resources. Plant and microbial biomasses are bioresources that may provide solutions to these critical challenges. Divided into five discreet parts, the book covers topics on production of unconventional biomasses and improving of conventional cultures, summarizing a range of useful products derived by biomass. This book provides an insight into future developments in each field and extensive bibliography. It will be an essential resource for researchers and academic and industry professionals in the life sciences.

Biomass energy. --- Bio-energy (Biomass energy) --- Bioenergy (Biomass energy) --- Biofuels --- Biological fuels --- Energy, Biomass --- Microbial energy conversion --- Energy conversion --- Fuel --- Microbial fuel cells --- Refuse as fuel --- Waste products as fuel --- Alternative & renewable energy sources & technology --- Biomass as fuel --- Renewable fuels --- Renewable energy sources

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This book presents and discusses research in the field of earth science, with a focus on the utilization of biomass for renewable bioenergy development; depressions of superficial deposit; nature and origin of granitic rocks; nature and technology of geothermal energy, clean sustainable energy for the benefit of humanity and environment; kinetic energy metamorphosis of rocks; an improved workflow towards real-time microseismic data processing; a brief overview of the Brazilian legislation and the radioactive wastes geologic repository project; detection of groundwater and soil contamination by

Earth sciences --- Biomass energy. --- Geothermal resources. --- Geothermal energy --- Geothermal power --- Thermal waters --- Natural resources --- Power resources --- Bio-energy (Biomass energy) --- Bioenergy (Biomass energy) --- Biofuels --- Biological fuels --- Energy, Biomass --- Microbial energy conversion --- Energy conversion --- Fuel --- Energy crops --- Microbial fuel cells --- Refuse as fuel --- Waste products as fuel --- Geosciences --- Environmental sciences --- Physical sciences --- Research. --- Biomass as fuel --- Renewable fuels --- Renewable energy sources