Materials for Renewable and Sustainable Energy

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Thermochemical hydrogen production from water using reducible oxide materials: a critical review
Materials for Renewable and Sustainable Energy - Tập 2 - Trang 1-12 - 2013
Lawrence D’Souza
This review mainly focuses on summarizing the different metal oxide systems utilized for water-splitting reaction using concentrated solar energy. Only two or three cyclic redox processes are considered. Particle size effect on redox reactions and economic aspect of hydrogen production via concentrated solar energy are also briefly discussed. Among various metal oxides system CeO2 system is emergi...... hiện toàn bộ
Synthesis of nanosized MnO2 prepared by the polyol method and its application in high power supercapacitors
Materials for Renewable and Sustainable Energy - Tập 2 - Trang 1-8 - 2013
E. Goikolea, B. Daffos, P. L. Taberna, P. Simon
Over the last years, the different polymorphs of MnO2 have been intensely studied as alternative compounds to amorphous hydrous RuO2 as supercapacitor electrode materials. In the present work, nanosized birnessite-type MnO2 platelets were synthesized via the polyol method followed by a subsequent ligand removal with NaOH. The resulting compound is easily dispersible in polar solvents, thus allowin...... hiện toàn bộ
Characterization, kinetics and statistical screening analysis of gmelina seed oil extraction process
Materials for Renewable and Sustainable Energy - Tập 3 - Trang 1-12 - 2014
Chigozie F. Uzoh, Okechukwu D. Onukwuli, Joseph T. Nwabanne
The kinetics and optimization of oil extraction from gmelina seed was studied. The effect of various process variables such as temperature, time, volume of solvent, particle size, and their interaction on oil yield was investigated. A predictive model describing the oil yield in terms process variables was derived from multiple regression analysis. Optimum yield of 49.90 % was predicted at extract...... hiện toàn bộ
Micro–mesoporous carbons from rice husk as active materials for supercapacitors
Materials for Renewable and Sustainable Energy - - 2015
Marina V. Lebedeva, Petr M. Yeletsky, Artem B. Ayupov, А. Н. Кузнецов, V. А. Yakovlev, Valentin N. Parmon
Selecting an appropriate machine-learning model for perovskite solar cell datasets
Materials for Renewable and Sustainable Energy - - 2023
Mahmoud Salah, Zahraa Ismail, Sameh O. Abdellatif
AbstractUtilizing artificial intelligent based algorithms in solving engineering problems is widely spread nowadays. Herein, this study provides a comprehensive and insightful analysis of the application of machine learning (ML) models to complex datasets in the field of solar cell power conversion efficiency (PCE). Mainly, perovskite solar cells generate three dat...... hiện toàn bộ
Suppression of magnetism and Seebeck effect in Na0.875CoO2 induced by SbCo dopants
Materials for Renewable and Sustainable Energy - Tập 9 - Trang 1-8 - 2020
M. H. N. Assadi, Paolo Mele, Marco Fronzi
We examined the electronic property of Sb-doped Na0.785CoO2 using density functional calculations based on GGA+U formalism. We demonstrated that Sb dopants were the most stable when replacing Co ions within the complex Na0.875CoO2 lattice structure. We also showed that the SbCo dopants adopted the + 5 oxidation state introducing two electrons into the host Na0.875CoO2 compound. The newly introduce...... hiện toàn bộ
Correlativity of the nitrogen oxide adsorption mechanism and crystal structure in hollandite-type compounds
Materials for Renewable and Sustainable Energy - Tập 3 - Trang 1-5 - 2013
Kenjiro Fujimoto, Chihiro Yamakawa, Yuki Yamaguchi, Shigeru Ito
Hollandite-type K1.88Ga1.88Sn6.12O16 and K1.58Ga1.58Ti6.42O16 powders obtained by the solid-state reaction method were examined by DRIFT spectroscopy to evaluate their NO adsorption properties. Two key findings were deduced from the refined structure information and evaluation of NO adsorption on a hollandite surface: first, the presence of oxygen in carrier gas contributed significantly to NO ads...... hiện toàn bộ
Tantalum nitride for photocatalytic water splitting: concept and applications
Materials for Renewable and Sustainable Energy - Tập 5 Số 4 - 2016
Ela Nurlaela, Ahmed Ziani, Kazuhiro Takanabe
CuO/CuxS composites fabrication and their thermoelectric properties
Materials for Renewable and Sustainable Energy - Tập 10 - Trang 1-7 - 2021
Rafiq Mulla, M. K. Rabinal
Herein, copper oxide/copper sulfide (CuO/CuxS) composites have been prepared by treating CuO with thiourea by an aqueous hydrothermal route and their thermoelectric properties are studied. The electrical conductivity is improved with the increase in thiourea content, as a result, thermoelectric power factor increased from 10–4 to 101 µW m−1 K−2, and thermal conductivity of the CuO is also found to...... hiện toàn bộ
Significant augmentation of proton conductivity in low sulfonated polyether sulfone octyl sulfonamide membranes through the incorporation of hectorite clay
Materials for Renewable and Sustainable Energy - - Trang 1-11 - 2024
Walid Mabrouk, Khaled Charradi, Imen Ben Kacem, Ridha Lafi, Nizar Bellakhal, Riadh Marzouki, Sherif M. A. S. Keshk
An innovative methodology was employed to fabricate ion exchange membranes tailored for fuel cell applications. This approach entailed blending low sulfonated polyether sulfone octyl sulfonamide (LSPSO) with Hectorite (Hect) clay at varying weight percentages (1 wt%, 3 wt%, and 6 wt%). The resultant composite membranes underwent comprehensive characterization via Fourier transform infrared spectro...... hiện toàn bộ
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