It exhibits a high average operating potential of ∼3.5 V, remarkable specific capacity (e.g., 135 mAh g–1 at 0.05 C), favorable high current charge-discharge ability (e.g., 58 mAh g–1 even at 20 C) as well as extralong cyclability (e.g., 0.026% capacity fading rate for per cycle at 20 C during 1000 cycles). In this sense, an alternative would be establishing the relationship of stocks and flows of energy, material, and information with environmental, economic and social outcomes, thus resulting in new accounting approaches. Eric Assaf. However, significant benefits can be obtained in terms of overall cost reduction thanks to revenues deriving from the chemicals being produced. An ultra-broadband selective absorber has been realized with a hierarchical structure through integrating vacuum impedance-matched structure, quarter wavelength structure, and gradient refractive index structure. Details of Spring 2021 Frontiers presentations will be available nearer the time. CFD Investigation of MHTGR Natural Circulation and Decay Heat Removal in P-LOFC Accident. It aims to disseminate knowledge of ETH Zurich energy-related research activities throughout the research community whilst providing doctoral students with an opportunity to present and discuss their energy-related research activity to the broader ETH research community. The HSI method was further validated via the shock-tube benchmark problem and verified via FLUENT simulations. By employing various biomass model compounds (glucose, cellotriose, and cellohexose), artificial mixtures of biomass components (cellulose, hemicellulose, and lignin), and computational simulation for the assignments by using density functional theory calculation in Gaussian, reliability and accuracy of this method have been examined as well, which indicated that this method is a reliable and accurate way to quantitatively characterize five different types of hydroxyl groups in biomass and its components. Frontiers in Energy Research | Read 742 articles with impact on ResearchGate, the professional network for scientists. An Input-State-Output (I-S-O) framework has been recently introduced to investigate the multidimensional aspects of sustainability (namely environmental, social and economic ones) of economic systems through a thermodynamically and logically ordered scheme. This manuscript presents an overview of various additives for enhancing the biochemical activities. The overall rank of Frontiers in Energy Research is 5890. Nature Energy, Prospectively, the findings of the current study can be implemented for other conductive polymers. Civil, Environmental and Geomatic Engineering, Humanities, Social and Political Sciences, Information Technology and Electrical Engineering, Join the discussion on the Energy Blog @ ETH Zurich, Eidgenössische The synthesis of mass-produced electrode materials and the exploration of their potential electrochemical properties are essential steps to achieve superior large-scale EES. Missed an earlier presentation? The effect of different amination parameters: namely, amine concentration, reaction time, temperature, and degree of grafting (DG) on the degree of amination (DA), was evaluated. For inclusion in Spring 2021, please contact the eval(unescape('%64%6f%63%75%6d%65%6e%74%2e%77%72%69%74%65%28%27%3c%61%20%74%69%74%6c%65%3d%5c%22%45%6d%61%69%6c%20%45%53%43%5c%22%20%68%72%65%66%3d%5c%22%6d%61%69%6c%74%6f%3a%69%6e%66%6f%40%65%73%63%2e%65%74%68%7a%2e%63%68%5c%22%20%63%6c%61%73%73%3d%5c%22%64%65%66%61%75%6c%74%2d%6c%69%6e%6b%5c%22%3e%45%53%43%3c%73%70%61%6e%20%63%6c%61%73%73%3d%5c%22%69%63%6f%6e%5c%22%20%72%6f%6c%65%3d%5c%22%69%6d%67%5c%22%20%61%72%69%61%2d%6c%61%62%65%6c%3d%5c%22%69%6e%74%65%72%6e%61%6c%20%70%61%67%65%5c%22%3e%3c%5c%2f%73%70%61%6e%3e%3c%5c%2f%61%3e%27%29')), Full details can be seen on the Presenter Profile, Frontiers seminar. Exploiting the true potential of microalgae would provide sustenance from climatic changes and environmental pollution concurrently producing biobased products analogous to the fossil-derived products. The elevated pyrolysis temperature (particularly 600 and 700°C) resulted in increased %C and %ash contents and reduced %N contents with enhancement of micro surface area and pore volume. Special column—Efficient use of waste heat and solar energy: Technologies of cooling, heating, power generation and heat transfer. The degradation efficiency of the alkali lignin by the fungal coculture was 26.4%, which was higher than that of the fungal monocultures. A straightforward method for accelerated testing of Cr poisoning phenomena on mixed ionic and electronic conducting (MIEC) Solid Oxide Cell (SOC) air electrode materials was developed. The Publication History of Frontiers in Energy Research covers 2015-ongoing. GC–MS and FT-IR Analysis of the Bio-Oil with Addition of Ethyl Acetate during Storage. Cr2O3-powder is mixed with an organic matrix and screen printed onto anode-supported button cells with (La,Sr)(Co,Fe)O3−δ (LSCF) cathode. Energy Engineering and Power Technology (Q1), Economics and Econometrics (Q2), Fuel Technology (Q2), Renewable Energy, Sustainability and the Environment (Q2). Inhibitors, such as access to volatile fatty acids, ammonia, sulfur, and heavy metals, may slow down the anaerobic digestion and may cause reactor failure. The impact factor (IF) 2018 of Frontiers in Energy Research is 2.96, which is computed in 2019 as per it's definition.Frontiers in Energy Research IF is increased by a factor of 0.32 and approximate percentage change is 12.12% when compared to preceding year 2017, which shows a rising trend. We show that the predicted results of the MMM match well with the values of molecular dynamics simulation and experimental data. However, methanogens in anaerobic sludge act antagonistically with homoacetogens and therefore the main goal of this study is to examine strategies to inhibit methanogenesis and to enrich homoacetogens. Therefore, expanding and deepening the understanding of the aging mechanism of bio-oil is the key to later efficient application of bio-oil. It is published by Frontiers Media S.A.. However, due to the low electronic conductivity of NVPF, its electrochemical properties are difficult to demonstrate. This work aims to propose an activity-based costing (ABC) based on multicriteria drivers including economic, emissions, and emergy (with an “m”) values. Part of The value of ε•V, which is a key combined parameter, was obtained accordingly. M. atlanticus was found to produce either cathodic or anodic current that was an order of magnitude lower than that of the Biocathode MCL community depending on the oxygen concentration, applied potential, and electrode material. Photovoltaic (PV) power system can be used to replace wholly 650VA generator for electricity generation for household use in Nigeria. A gas-lift reactor was used to investigate the hydrogen uptake efficiency at high hydrogen loading rates. Frontiers in Energy Research: Winter 2020. Journal of Power Sources, The absorber diameter and height obtained were 10.4 and 4.4 m, respectively. Organic light emitting diodes (OLED) and organic photovoltaic cells (OPV) made of organic pigments are typically with thickness of a few or a few tens of nanometers. We present the resulting total CO2 capture costs in the form of a marginal abatement cost curve (MACC) for the emission sources investigated. Citescore, Congratulations go to Nicolas Schmid, D-GESS, for winning the Frontiers Best Presentation award 2020 for his talk in May 2020 entitled 'The Politics of Technological Change – Case Studies from the Energy Sector’. However, when operated in continuous mode, pH remained stable in both compartments and MFCs produced maximum power densities of 1.1 W m−2 were then reached, compared to 0.5 W m−2 for MFCs equipped with Pt catalyst. In this paper, a new hybrid semi-implicit (HSI) method is proposed based on the semi-implicit method and nearly-implicit method. In particular, the negligible heat losses of sorption technologies during the storing period make them ideal for applications where long-term storage is required. Under the irregular wave condition, the power matrix against the wind speed and the damping coefficient of the power take-off system shows that the optimal damping coefficient is determined by the local weather and geographic condition. White-rot fungi is capable of producing extracellular enzymes that degrade lignin structure and facilitate biofuel production from lignocellulosic biomass wastes. This research aimed to increase the mass loading of sulfur in the composite electrode in order to increase the energy density of the lithium-sulfur (Li-S) cell. Partial capture from the most suited sites may reduce capture cost and, thus, may serve as a low-cost option for introducing CCS. This was coupled with the same order of high amine efficiency of 75, 57, and 31%. Frontiers in Energy, an interdisciplinary and peer-reviewed international journal launched in January 2007, seeks to provide a rapid and unique platform for reporting the most advanced research on energy technology and strategic thinking in order to promote timely communication between researchers, scientists, engineers, and policy makers in the field of energy. The investigated system integrates a temperature swing adsorption system for CO2 capture with a turbo-compressor system to compress and liquefy the captured CO2 using the waste heat of the exhaust gases of the engine. Springer A new approach for CO2 utilization (as a sole carbon source) to acetic acid and other VFAs under ambient conditions using zero valent iron and anaerobic granular sludge was examined by methanogens inhibition. This system can be integrated into overall mobility system (fuel-engine-CO2-fuel), where captured CO2 can be recycled as conventional liquid or gaseous fuels produced from renewable energy sources. Xylitol Production From Byproducts Generated During Sequential Acid-/Alkali-Pretreatment of Empty Palm Fruit Bunch Fiber by an Adapted Candida tropicalis. In this paper, we proposed four types of geometric designs of the sampling composing NaI(TI) detector. 100% scientists expect Frontiers in Energy Research Journal Impact 2020 will be in the range of 2.5 ~ 5.0. The Journal Impact 2019-2020 of Frontiers in Energy Research is In FLUENT simulations, outlet pressure transient, inlet mass flow transient and inlet temperature transient were studied. The adsorbents recorded CO2 adsorption capacities of 2.87, 2.06, and 0.94 mmol/g for EA-, DEA- and TEA-containing adsorbents, respectively, at 30°C using initial CO2 concentration of 15%. High Performing Gas Diffusion Biocathode for Microbial Fuel Cells Using Acidophilic Iron Oxidizing Bacteria. Zero Valent Iron when is anaerobically oxidized generates H2 that can be utilized along with CO2 by homoacetogens in the anaerobic granular sludge for the production of acetic acid or other VFAs. At higher capture rates, the required energy per ton of captured CO2 increases due to a higher steam stripping rate, required in the desorber, and at lower capture rates, the size of equipment, in particular, absorber and blowers increases due to the need for processing a significantly larger volume of air at the given CO2 production volume.
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