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
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......
Review on texturization effects in thermoelectric oxides
Materials for Renewable and Sustainable Energy - Tập 9 - Trang 1-22 - 2020
Sustainable energy sources and energy-harvesting technologies have been researched for decades. Thermoelectric conversion is currently one of the primary foci in this area. Thermoelectric research has been concentrated into two parts—(i) strategies to enhance the efficiency of existing thermoelectric materials and (ii) development of new materials with promising thermoelectric parameters. Although......
Ternary Ni–Cu–OH and Ni–Co–OH electrodes for electrochemical energy storage
Materials for Renewable and Sustainable Energy - Tập 4 - Trang 1-9 - 2015
In this project, Ni–Cu–OH and Ni–Co–OH ternary electrodes have been prepared. Different Ni:Cu and Ni:Co ratios were deposited by chemical bath deposition (CBD) at room temperature on carbon microfibers. Since Ni(OH)2 is notorious for poor cycling stability, the goal of the work was to determine if doping with Cu or Co could improve Ni(OH)2 cycling stability performance and conductivity against rea......
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
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......
Synthesis of Si and CdTe quantum dots and their combined use as down-shifting photoluminescent centers in Si solar cells
Materials for Renewable and Sustainable Energy - Tập 8 - Trang 1-8 - 2019
This paper describes the synthesis and characterization of Si and CdTe quantum dots (QDs) and their use, either on their own or combined, as photoluminescent (PL) down-shifting nanostructured coatings aimed to enhance the photovoltaic efficiency of polycrystalline silicon solar cells. To this end, the front face of a set of silicon cells was coated with different volume ratios of the above-mention......
Co-sensitization aided efficiency enhancement in betanin–chlorophyll solar cell
Materials for Renewable and Sustainable Energy - - 2018
Characterization, kinetics and statistical screening analysis of gmelina seed oil extraction process
Materials for Renewable and Sustainable Energy - Tập 3 - Trang 1-12 - 2014
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......
Thí nghiệm về điện nhiệt quang oxit Dịch bởi AI
Materials for Renewable and Sustainable Energy - Tập 3 - Trang 1-7 - 2014
Điện nhiệt là một công nghệ chuyển đổi năng lượng từ nhiệt thành điện, và ngược lại, thông qua các hiện tượng điện nhiệt trong chất rắn, trong khi năng lượng mặt trời là một công nghệ chuyển đổi năng lượng từ photon mặt trời thành điện bằng cách sử dụng các kích thích quang trong chất rắn. Chúng tôi đang cố gắng tìm ra một cách để kết hợp điện nhiệt với năng lượng mặt trời nhằm thiết lập một phươn......
#Điện nhiệt #Năng lượng mặt trời #Vật liệu oxit #Chuyển đổi năng lượng #Kích thích quang
Thermodynamic assessment of non-catalytic Ceria for syngas production by methane reduction and CO2 + H2O oxidation
Materials for Renewable and Sustainable Energy - Tập 8 - Trang 1-15 - 2019
Chemical looping syngas production is a two-step redox cycle with oxygen carriers (metal oxides) circulating between two interconnected reactors. In this paper, the performance of pure CeO2/Ce2O3 redox pair was investigated for low-temperature syngas production via methane reduction together with identification of optimal ideal operating conditions. Comprehensive thermodynamic analysis for methane......
Study of hydrogen absorption kinetics of Mg2Ni-based powders produced by high-injected shock power mechanical alloying and subsequent annealing
Materials for Renewable and Sustainable Energy - Tập 2 - Trang 1-8 - 2013
Mg2Ni-based compounds were prepared using a high-energy milling technique, with a planetary ball mill, and subsequent annealing at 350 °C. X-ray diffraction analyses revealed that Mg2Ni phase was obtained after 10 milling hours, in addition to Ni phase. Increasing the ball-milling duration from 10 to 17 h causes a decrease in the crystal size of particles from 93 to 76 nm. However, the subsequent ......
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