Materials for Renewable and Sustainable Energy最新文献_第10页

Valorization of the inedible pistachio shells into nanoscale transition metal and nitrogen codoped carbon-based electrocatalysts for hydrogen evolution reaction and oxygen reduction reaction 不可食用开心果壳制备纳米过渡金属和氮共掺杂碳基析氢和氧还原电催化剂的研究

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2022-07-13 DOI: 10.1007/s40243-022-00212-5

Mohsin Muhyuddin, Nicolo’ Zocche, Roberto Lorenzi, Chiara Ferrara, Federico Poli, Francesca Soavi, Carlo Santoro

{"title":"Valorization of the inedible pistachio shells into nanoscale transition metal and nitrogen codoped carbon-based electrocatalysts for hydrogen evolution reaction and oxygen reduction reaction","authors":"Mohsin Muhyuddin, Nicolo’ Zocche, Roberto Lorenzi, Chiara Ferrara, Federico Poli, Francesca Soavi, Carlo Santoro","doi":"10.1007/s40243-022-00212-5","DOIUrl":"10.1007/s40243-022-00212-5","url":null,"abstract":"<div><p>Making a consistency with the objectives of circular economy, herein, waste pistachios shells were utilized for the development of hydrogen evolution reaction (HER) and oxygen reduction reaction (ORR) electrocatalysts which are the key bottleneck in the technological evolution of electrolyzers and fuel cells, respectively. As an alternative to scarce and expensive platinum-group-metal (PGM) electrocatalysts, metal nitrogen carbons (MNCs) are emerging as a promising candidate for both aforementioned electrocatalysis where iron and nickel are the metal of choice for ORR and HER, respectively. Therefore, FeNCs and NiNCs were fabricated utilizing inedible pistachio shells as a low-cost biosource of carbon. The steps involved in the fabrication of electrocatalyst were correlated with electrochemical performance in alkaline media. Encouraging onset potential of ~ 0.88 V vs RHE with a possibility of a 2 + 2 reaction pathway was observed in pyrolyzed and ball-milled FeNC. However, HF etching for template removal slightly affected the kinetics and eventually resulted in a relatively higher yield of peroxide. In parallel, the pyrolyzed NiNC demonstrated a lower HER overpotential of ~ 0.4 V vs RHE at − 10 mA cm<sup>−2</sup>. Nevertheless, acid washing adversely affected the HER performance and consequently, very high overpotential was witnessed.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 2","pages":"131 - 141"},"PeriodicalIF":4.5,"publicationDate":"2022-07-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-022-00212-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4539444","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 12

Cobalt telluride electrocatalyst for selective electroreduction of CO2 to value-added chemicals 选择性电还原CO2为增值化学品的碲化钴电催化剂

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2022-07-12 DOI: 10.1007/s40243-022-00211-6

Apurv Saxena, Harish Singh, Manashi Nath

{"title":"Cobalt telluride electrocatalyst for selective electroreduction of CO2 to value-added chemicals","authors":"Apurv Saxena, Harish Singh, Manashi Nath","doi":"10.1007/s40243-022-00211-6","DOIUrl":"10.1007/s40243-022-00211-6","url":null,"abstract":"<div><p>Recent emphasis on carbon dioxide utilization has necessitated the exploration of different catalyst compositions other than copper-based systems that can significantly improve the activity and selectivity towards specific CO<sub>2</sub> reduction products at low applied potential. In this study, a binary CoTe has been reported as an efficient electrocatalyst for CO<sub>2</sub> reduction in aqueous medium under ambient conditions at neutral pH. CoTe showed high Faradaic efficiency and selectivity of 86.83 and 75%, respectively, for acetic acid at very low potential of − 0.25 V vs RHE. More intriguingly, C1 products like formic acid was formed preferentially at slightly higher applied potential achieving high formation rate of 547.24 μmol cm<sup>−2</sup> h<sup>−1</sup> at − 1.1 V vs RHE. CoTe showed better CO2RR activity when compared with Co<sub>3</sub>O<sub>4</sub>, which can be attributed to the enhanced electrochemical activity of the catalytically active transition metal center as well as improved intermediate adsorption on the catalyst surface. While reduced anion electronegativity and improved lattice covalency in tellurides enhance the electrochemical activity of Co, high d-electron density improves the intermediate CO adsorption on the catalyst site leading to CO<sub>2</sub> reduction at lower applied potential and high selectivity for C<sub>2</sub> products. CoTe also shows stable CO2RR catalytic activity for 50 h and low Tafel slope (50.3 mV dec<sup>–1</sup>) indicating faster reaction kinetics and robust functionality. Selective formation of value-added C<sub>2</sub> products with low energy expense can make these catalysts potentially viable for integration with other CO<sub>2</sub> capture technologies thereby, helping to close the carbon loop.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 2","pages":"115 - 129"},"PeriodicalIF":4.5,"publicationDate":"2022-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-022-00211-6.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4495826","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Copper nanoparticles suitable for bifunctional cholesterol oxidation reaction: harvesting energy and sensor 适用于双功能胆固醇氧化反应的铜纳米颗粒:能量收集和传感器

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2022-06-21 DOI: 10.1007/s40243-022-00210-7

F. I. Espinosa-Lagunes, J. C. Cruz, R. E. Vega-Azamar, I. Murillo-Borbonio, Julieta Torres-González, Ricardo A. Escalona-Villalpando, M. P. Gurrola, J. Ledesma-García, L. G. Arriaga

{"title":"Copper nanoparticles suitable for bifunctional cholesterol oxidation reaction: harvesting energy and sensor","authors":"F. I. Espinosa-Lagunes, J. C. Cruz, R. E. Vega-Azamar, I. Murillo-Borbonio, Julieta Torres-González, Ricardo A. Escalona-Villalpando, M. P. Gurrola, J. Ledesma-García, L. G. Arriaga","doi":"10.1007/s40243-022-00210-7","DOIUrl":"10.1007/s40243-022-00210-7","url":null,"abstract":"<div><p>This study reports the performance of simple low-cost synthesized bifunctional Cu/Cu<sub>2</sub>O nanoparticles (NPs) used as a catalyst for energy-harvesting applications through of a microfluidic fuel cell (µFC), and further, as cholesterol (Chol) sensor. TEM characterization of the NPs showed spheres between 4 and 10 nm, while XRD and XPS analysis confirmed the composition and preferential crystallographic plane of Cu/Cu<sub>2</sub>O. In addition, 25.26 m<sup>2</sup> g<sup>−1</sup> surface area was obtained, which is greater than those commercial materials. NPs showed high activity toward the cholesterol oxidation reaction when were used as a sensor, obtaining a linear interval between 0.5 and 1 mM and 850 µA mM<sup>−1</sup> mg<sup>−1</sup> of sensitivity and 8.9 µM limit of quantification LOQ. These values are comparable to results previously reported. Moreover, Cu/Cu<sub>2</sub>O NPs were used as anode in a µFC with 0.96 V of cell voltage and 6.5 mA cm<sup>−2</sup> and 1.03 mW cm<sup>−2</sup> of current and power density, respectively. This performance is the highest currently reported for cholesterol application as an alternative fuel, and the first one reported for a microfluidic fuel cell system as far as is known. Results showed that the obtained Cu-based NPs presented an excellent performance for the dual application both µFC and sensor, which has potential applications in biomedicine and as an alternative energy source.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 2","pages":"105 - 114"},"PeriodicalIF":4.5,"publicationDate":"2022-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-022-00210-7.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4825207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

A review on enhanced biofuel production from coffee by-products using different enhancement techniques 不同强化技术在咖啡副产品强化生物燃料生产中的应用综述

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2022-05-21 DOI: 10.1007/s40243-022-00209-0

Berhanu Sugebo

{"title":"A review on enhanced biofuel production from coffee by-products using different enhancement techniques","authors":"Berhanu Sugebo","doi":"10.1007/s40243-022-00209-0","DOIUrl":"10.1007/s40243-022-00209-0","url":null,"abstract":"<div><p>Coffee by-products are a renewable, plentiful, cost-effective, and mostly untapped resource that could be used as a biofuel feedstock. However, the energy efficiency and biofuel yields are mostly determined by the biofuel production technologies. Pretreatment procedure, hydrolysis methods, fermentation methods, oil to biodiesel conversion techniques, binders employed, applying pressure and temperature are the main factors to improve the biofuel yields from coffee by-products. This paper examines state-of-the-art methods for increasing biogas, bio-ethanol, biodiesel, briquettes, and pellets outputs from coffee by-products. Pretreatment and co-digestion of coffee by-products with other low carbon to nitrogen ratio animal manure boost the biogas yield of coffee by-products, which is also discussed. A yield of bio-ethanol from coffee by-products was also improved using advanced pretreatment procedures, production processes, and the use of genetically modified yeast strains that ferment the majority of sugar monomers. Additionally, oil extraction methods from spent coffee grounds were reviewed, as well as optimizing biodiesel yield from spent coffe grounds oil. The process of making briquettes and pellets, as well as the types of binders utilized, are discussed. The main novelty of this review is on improving biofuel yields such as biogas, bio-ethanol, biodiesel, briquettes, and pellets from the entire dry cherry coffee beans processing residues, wet coffee (coffee pulp or peeled) beans processing residues, and optimizing oil and biodiesel yield from spent coffee grounds.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 2","pages":"91 - 103"},"PeriodicalIF":4.5,"publicationDate":"2022-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-022-00209-0.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4833999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9

Sodium-ion battery from sea salt: a review 海盐制备钠离子电池研究进展

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2022-04-18 DOI: 10.1007/s40243-022-00208-1

Anisa Raditya Nurohmah, Shofirul Sholikhatun Nisa, Khikmah Nur Rikhy Stulasti, Cornelius Satria Yudha, Windhu Griyasti Suci, Kiwi Aliwarga, Hendri Widiyandari, Agus Purwanto

{"title":"Sodium-ion battery from sea salt: a review","authors":"Anisa Raditya Nurohmah, Shofirul Sholikhatun Nisa, Khikmah Nur Rikhy Stulasti, Cornelius Satria Yudha, Windhu Griyasti Suci, Kiwi Aliwarga, Hendri Widiyandari, Agus Purwanto","doi":"10.1007/s40243-022-00208-1","DOIUrl":"10.1007/s40243-022-00208-1","url":null,"abstract":"<div><p>The electrical energy storage is important right now, because it is influenced by increasing human energy needs, and the battery is a storage energy that is being developed simultaneously. Furthermore, it is planned to switch the lithium-ion batteries with the sodium-ion batteries and the abundance of the sodium element and its economical price compared to lithium is the main point. The main components anode and cathode have significant effect on the sodium battery performance. This review briefly describes the components of the sodium battery, including the anode, cathode, electrolyte, binder, and separator, and the sources of sodium raw material is the most important in material synthesis or installation. Sea salt or NaCl has potential ability as a raw material for sodium battery cathodes, and the usage of sea salt in the cathode synthesis process reduces production costs, because the salt is very abundant and environmentally friendly as well. When a cathode using a source of Na<sub>2</sub>CO<sub>3</sub>, which was synthesized independently from NaCl can save about 16.66% after being calculated and anode with sodium metal when synthesized independently with NaCl can save about 98% after being calculated, because sodium metal is classified as expensive matter.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 1","pages":"71 - 89"},"PeriodicalIF":4.5,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-022-00208-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4706500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 8

Development of bioanode for versatile applications: microfuel cell system in the presence of alcohol and glucose 多用途生物阳极的发展:乙醇和葡萄糖存在下的微型燃料电池系统

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2022-02-22 DOI: 10.1007/s40243-022-00207-2

J. Ledesma-García, M. P. Gurrola, D. L. Trejo-Arroyo, J. A. Rodríguez-Morales, A. Gutiérrez, R. A. Escalona-Villalpando, L. G. Arriaga

{"title":"Development of bioanode for versatile applications: microfuel cell system in the presence of alcohol and glucose","authors":"J. Ledesma-García, M. P. Gurrola, D. L. Trejo-Arroyo, J. A. Rodríguez-Morales, A. Gutiérrez, R. A. Escalona-Villalpando, L. G. Arriaga","doi":"10.1007/s40243-022-00207-2","DOIUrl":"10.1007/s40243-022-00207-2","url":null,"abstract":"<div><p>The purpose of this work is to develop a bioanode using the enzymes of glucose oxidase (GOx) and alcohol dehydrogenase (ADH) as catalysts to oxidised glucose and alcohol present in different beverages. The study was carried out using the covalent bonding method for both enzymes via the functionalization of carbon nanofibers for the formation of carboxyl groups that can form bonds with the amine groups of the enzyme, as well as using tetrabutylammonium bromide (TBAB) with Nafion. The optimum operation parameters of both enzymes (pH and temperature) were determined for the later evaluation in a microfluidic fuel cell. In addition, using the scanning electrochemical microscopy technique, a local study of enzymatic processes is used to demonstrate that the enzymes immobilized on the same electrode remain active. The evaluation of the microfluidic fuel cell was carried out using different solutions, 0.01 M glucose, 0.01 M ethanol and a mixture of 0.01 M glucose and 0.01 M ethanol, all in phosphate buffer solutions at pH 7, where it was possible to obtain a maximum performance of 5.07 ± 0.1 mW cm<sup>−2</sup>, and there was a significant increase in current density compared to non-composite solutions (glucose or ethanol). In addition, different alcoholic beverages were used to evaluate the versatility and adaptability of the bi-enzymatic anode electrode with the perspective use in Lab-on-a-Chip systems.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 3","pages":"155 - 167"},"PeriodicalIF":4.5,"publicationDate":"2022-02-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-022-00207-2.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4851582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Aprotic lithium air batteries with oxygen-selective membranes 氧选择性膜非质子锂空气电池

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2022-01-24 DOI: 10.1007/s40243-021-00205-w

Asad A. Naqvi, Awan Zahoor, Asif Ahmed Shaikh, Faaz Ahmed Butt, Faizan Raza, Inam Ul Ahad

{"title":"Aprotic lithium air batteries with oxygen-selective membranes","authors":"Asad A. Naqvi, Awan Zahoor, Asif Ahmed Shaikh, Faaz Ahmed Butt, Faizan Raza, Inam Ul Ahad","doi":"10.1007/s40243-021-00205-w","DOIUrl":"10.1007/s40243-021-00205-w","url":null,"abstract":"<div><p>Rechargeable batteries have gained a lot of interests due to rising trend of electric vehicles to control greenhouse gases emissions. Among all type of rechargeable batteries, lithium air battery (LAB) provides an optimal solution, owing to its high specific energy of 11,140 Wh/kg comparable to that of gasoline 12,700 Wh/kg. However, LABs are not widely commercialized yet due to the reactivity of the lithium anode with the components of ambient air such as moisture and carbon dioxide. To address this challenge, it is important to understand the effects of moisture on the electrochemical performance of LAB. In this review, the effects of ambient air on the electrochemical performance of LAB have been discussed. The literature on the deterioration in the battery capacity and cyclability due to operation in ambient environment and degradation of lithium anode due to exothermic reaction between lithium and water is reviewed and explained. The effects of using oxygen-selective membrane (OSM) to block moisture and <span>({mathrm{CO}}_{2})</span> contamination has also been discussed, along with suitable materials that can act as OSM. It is concluded that the utilization of OSM can not only make the safer operation of LAB in ambient air but could also enhance the electrochemical performance of LAB. Future direction of the research work required to address the associated challenges is also provided.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 1","pages":"33 - 46"},"PeriodicalIF":4.5,"publicationDate":"2022-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-021-00205-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4931959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Role of additives and surface passivation on the performance of perovskite solar cells 添加剂和表面钝化对钙钛矿太阳能电池性能的影响

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2021-12-27 DOI: 10.1007/s40243-021-00206-9

Samuel Abicho, Bekele Hailegnaw, Getachew Adam Workneh, Teketel Yohannes

{"title":"Role of additives and surface passivation on the performance of perovskite solar cells","authors":"Samuel Abicho, Bekele Hailegnaw, Getachew Adam Workneh, Teketel Yohannes","doi":"10.1007/s40243-021-00206-9","DOIUrl":"10.1007/s40243-021-00206-9","url":null,"abstract":"<div><p>Outstanding improvement in power conversion efficiency (PCE) over 25% in a very short period and promising research developments to reach the theoretical PCE limit of single junction solar cells, 33%, enables organic–inorganic perovskite solar cells (OIPSCs) to gain much attention in the scientific and industrial community. The simplicity of production of OIPSCs from precursor solution either on rigid or flexible substrates makes them even more attractive for low-cost roll-to-roll production processes. Though OIPSCs show as such higher PCE with simple solution processing methods, there are still unresolved issues, while attempts are made to commercialize these solar cells. Among the major problems is the instability of the photoactive layer of OIPSCs at the interface of the charge transport layers and /or electrodes during prolonged exposure to moisture, heat and radiation. To achieve matched PCE and stability, several techniques such as molecular and interfacial engineering of components in OIPSCs have been applied. Moreover, in recent times, engineering on additives, solvents, surface passivation, and structural tuning have been developed to reduce defects and large grain boundaries from the surface and/or interface of organic–inorganic perovskite films. Under this review, we have shown recently developed additives and passivation strategies, which are strongly focused to enhance PCE and long-term stability simultaneously.</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 1","pages":"47 - 70"},"PeriodicalIF":4.5,"publicationDate":"2021-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-021-00206-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"5034403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Passive solar house prototype design with a new bio-based material for a semi-arid climate 被动式太阳能房屋原型设计，采用新型生物基材料，适用于半干旱气候

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2021-12-21 DOI: 10.1007/s40243-021-00203-y

Cherif Boulebbina, Ghazali Mebarki, Samir Rahal

{"title":"Passive solar house prototype design with a new bio-based material for a semi-arid climate","authors":"Cherif Boulebbina, Ghazali Mebarki, Samir Rahal","doi":"10.1007/s40243-021-00203-y","DOIUrl":"10.1007/s40243-021-00203-y","url":null,"abstract":"<div><p>In this study, a passive solar house prototype was built using Trombe wall and was tested in the semi-arid region of Batna, in eastern Algeria. Traditional local materials (stone and adobe) were used for the construction of the thermal storage wall. A new local bio-based material made from date palm trunks was used for the insulation of the passive house prototype. For a better understanding of passive house heating and for a comparative study, a numerical simulation, using Fluent, was carried out. The aim of this study was to supply recommendations for improving the passive systems and to participate to the energy consumption control in the building sector. The results show that the experimental and numerical simulation results are in good agreement. The optimal orientation of the solar passive house has been determined, which is at 160° southeast. The use of local and bio-based materials has proven its effectiveness in the construction of the passive house. The thermal behavior of date palm wood has been found to be close to those of insulation materials commonly used in buildings. That means it has the same thermal insulation ability (thermal conductivity). On the other hand, the results show that the thermal efficiency of the passive solar heating system, with an adobe wall is significantly higher (50%) than that with a stone wall (30.7%).</p></div>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 1","pages":"1 - 15"},"PeriodicalIF":4.5,"publicationDate":"2021-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-021-00203-y.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4814654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Preparation, characterization and evaluation of x-MoO3/Al-SBA-15 catalysts for biodiesel production 生物柴油用x-MoO3/Al-SBA-15催化剂的制备、表征及评价

IF 4.5

Materials for Renewable and Sustainable Energy Pub Date : 2021-12-15 DOI: 10.1007/s40243-021-00204-x

Joyce S. B. Figueiredo, Bruno T. S. Alves, Vitória A. Freire, José J. N. Alves, Bianca V. S. Barbosa

{"title":"Preparation, characterization and evaluation of x-MoO3/Al-SBA-15 catalysts for biodiesel production","authors":"Joyce S. B. Figueiredo, Bruno T. S. Alves, Vitória A. Freire, José J. N. Alves, Bianca V. S. Barbosa","doi":"10.1007/s40243-021-00204-x","DOIUrl":"10.1007/s40243-021-00204-x","url":null,"abstract":"<p>Biodiesel is an alternative source of renewable energy that can be produced by a transesterification of vegetable oils. Mesoporous molecular sieves, such as SBA-15, due to high surface area and thermal stability are promising precursors for heterogeneous catalysts in the transesterification reaction. In this work, Al-SBA-15 precursor was obtained by direct hydrothermal synthesis, impregnated with different MoO<sub>3</sub> contents (5, 10 and 15 wt%) by the pore saturation method, and evaluated as heterogeneous catalyst in the production of biodiesel from a transesterification of soybean oil with methanol. Al-SBA-15 precursor as well as MoO<sub>3</sub>/Al-SBA-15 catalyst were characterized for its structural characteristic by X-ray diffraction, textural characteristic by N<sub>2</sub> adsorption analysis, and thermal stability by thermogravimetric analysis. An experimental planning 2<sup>2</sup> + 3 CtPt was used to evaluate the influence of MoO<sub>3</sub> content and reaction time on biodiesel yield from soybean oil and methanol. The biodiesel content in the final product was obtained by gas chromatography. An average biodiesel yield of 96% was obtained with the catalyst 10%MoO<sub>3</sub>/Al-SBA-15 under the following reaction conditions: 20:1 methanol/soybean oil molar ratio, and 3 wt% of catalyst loading at 150 °C in 3 h. After five consecutive reaction cycles, the biodiesel yield decreased by about 34%. The density and acidity of the biodiesel produced are within the specified values for commercialization according to international standards.</p>","PeriodicalId":692,"journal":{"name":"Materials for Renewable and Sustainable Energy","volume":"11 1","pages":"17 - 31"},"PeriodicalIF":4.5,"publicationDate":"2021-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s40243-021-00204-x.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4603949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 9