MatSciRN: Materials for Energy Harvesting (Topic)最新文献

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Physical, Geographical, Technical, and Economic Potential for the Optimal Configuration of Photovoltaic Systems Using a Digital Surface Model and Optimization Method 利用数字曲面模型和优化方法优化光伏系统配置的物理、地理、技术和经济潜力
MatSciRN: Materials for Energy Harvesting (Topic) Pub Date : 2022-03-01 DOI: 10.2139/ssrn.3892172
Klemen Sredenšek, B. Stumberger, M. Hadžiselimović, Primož Mavsar, S. Seme
{"title":"Physical, Geographical, Technical, and Economic Potential for the Optimal Configuration of Photovoltaic Systems Using a Digital Surface Model and Optimization Method","authors":"Klemen Sredenšek, B. Stumberger, M. Hadžiselimović, Primož Mavsar, S. Seme","doi":"10.2139/ssrn.3892172","DOIUrl":"https://doi.org/10.2139/ssrn.3892172","url":null,"abstract":"The main objective of this paper is to determine the optimal configuration of photovoltaic systems for maximum photovoltaic potential in the observed area using a digital surface model and a new optimization approach. The paper describes the physical, geographical, technical, and economic potential for the optimal configuration of photovoltaic systems using a digital surface model. The essential emphasis of the paper is to present a new and different approach for determining the economic potential, which can significantly influence the decision to install photovoltaic systems. For the further successful integration of photovoltaic systems into networks and for the successful establishment of appropriate policies and directives, it is essential to properly assess the photovoltaic potential. Based on the described methodology, the potential determination is made for a completed area of 75,537 m 2 using the observed area’s digital surface model. The annual values of physical, geographical, technical and economic potentials were 19.57 GWh, 7.54 GWh, 875.50 MWh, and 19.64 kWh. The methodologies presented in the paper are based on detailed data on the intensity of solar radiation for 20 years, digital surface model of the observed area, a new optimization approach, and multi-year data on the movement of electricity prices on markets.","PeriodicalId":429338,"journal":{"name":"MatSciRN: Materials for Energy Harvesting (Topic)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130690655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Investment and Financing Perspectives for a Solar Photovoltaic Project 太阳能光伏项目的投融资展望
MatSciRN: Materials for Energy Harvesting (Topic) Pub Date : 2020-11-13 DOI: 10.2139/ssrn.3726838
A. Marchioni, C. Magni, Davide Baschieri
{"title":"Investment and Financing Perspectives for a Solar Photovoltaic Project","authors":"A. Marchioni, C. Magni, Davide Baschieri","doi":"10.2139/ssrn.3726838","DOIUrl":"https://doi.org/10.2139/ssrn.3726838","url":null,"abstract":"In this work we illustrate a simple logical framework serving the purpose of measuring value creation in a real-life solar photovoltaic project, funded with a lease contract, a loan contract and internal financing (i.e., withdrawal from liquid assets). We use the projected accounting data to compute the value created. We assess the project from both an investment perspective (operating assets and liquid assets) and a financing perspective (debt and equity). Furthermore, focusing on value creation for equity-holders, we calculate the expected contribution on shareholders wealth increase of operating and financing activity. In particular, we highlight the role of the distribution policy in financial modeling, by underlining the strict logical connections between estimated data and financial decisions.","PeriodicalId":429338,"journal":{"name":"MatSciRN: Materials for Energy Harvesting (Topic)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129767137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Cacophony of Renewable Energy as a Catalyst for Electricity Problem; Nigerian Chronicle 可再生能源作为电力问题催化剂的不和谐尼日利亚纪事报
MatSciRN: Materials for Energy Harvesting (Topic) Pub Date : 2020-10-29 DOI: 10.2139/ssrn.3721310
Temitayo Bello, Iteoluwakiisi Akinwole
{"title":"Cacophony of Renewable Energy as a Catalyst for Electricity Problem; Nigerian Chronicle","authors":"Temitayo Bello, Iteoluwakiisi Akinwole","doi":"10.2139/ssrn.3721310","DOIUrl":"https://doi.org/10.2139/ssrn.3721310","url":null,"abstract":"As the Nation demand for energy grows, various studies in the field of energy efficiency are stimulated, and one of them is certainly the use of renewable energy. The low power generation in Nigeria has ruined our development and industrialization. The country has done different things and embarked on several policies to change and improve the electricity problems but yet all without much of any result. The electricity problems has made several businesses to migrate to more natural friendly and developed countries. Besides, the terrible state of the nation’s infrastructures, for example, water supply, medical services and the distribution of petroleum products are all side effect of an economy that is insalubrious on account of the nation’s inadequacy to meet the electricity demands. The subject of electricity and the energy sector in Nigeria is a very intriguing, interesting and deserving of examination. \u0000 \u0000The article looks into underlying causes of electricity problems in Nigeria and challenges facing it, coupled with the comprehensive review of how renewable energy in a lasting solution to the malady. \u0000 \u0000The article discovered the vacuum created by electricity which impedes the growth and development of industrialization. The article concludes that renewable energy can conveniently fill the gaps and improve the electricity supply in the country. It proffered general solution to minimize the significant difficulties facing the power sector in Nigeria.","PeriodicalId":429338,"journal":{"name":"MatSciRN: Materials for Energy Harvesting (Topic)","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132480768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Basic Comparison of Three Sub-Saharan Renewable Energy Sectors Utilising the Triple Helix Model 利用三螺旋模型的撒哈拉以南三个可再生能源部门的基本比较
MatSciRN: Materials for Energy Harvesting (Topic) Pub Date : 2019-11-26 DOI: 10.2139/ssrn.3637777
A. Wacht, S. Pietrangeli, J. Niemann, M. Schloesser, C. Fussenecker
{"title":"Basic Comparison of Three Sub-Saharan Renewable Energy Sectors Utilising the Triple Helix Model","authors":"A. Wacht, S. Pietrangeli, J. Niemann, M. Schloesser, C. Fussenecker","doi":"10.2139/ssrn.3637777","DOIUrl":"https://doi.org/10.2139/ssrn.3637777","url":null,"abstract":"Sub-Saharan Africa has an abundance of renewable energy potential, as well as the need for electrical power to grow these emerging economies. Yet these resources are very seldom exploited to their full potential. This paper aims to do a basic comparison of three Sub-Saharan counties utilising the Triple Helix Model as tool, with the aim of identifying commonalities and differences, which could indicate where interventions can be applied. The status in South Africa is compared to the status in Kenya and Nigeria.","PeriodicalId":429338,"journal":{"name":"MatSciRN: Materials for Energy Harvesting (Topic)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115782989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design Construction and Performance Evaluation of Solar Still for Rural Dwellers 农村太阳能蒸馏器的设计、施工及性能评价
MatSciRN: Materials for Energy Harvesting (Topic) Pub Date : 2018-10-31 DOI: 10.22178/POS.39-1
S. Danjuma, A. Lawal, I. Muhammad, O. Y. Usman
{"title":"Design Construction and Performance Evaluation of Solar Still for Rural Dwellers","authors":"S. Danjuma, A. Lawal, I. Muhammad, O. Y. Usman","doi":"10.22178/POS.39-1","DOIUrl":"https://doi.org/10.22178/POS.39-1","url":null,"abstract":"This paper is aimed at designing, constructing and performance evaluation of a solar still. The solar still is design and constructed with locally source materials for rural dwellers. The still absorber plate is constructed with 2 mm galvanised plate painted black with an area of 2 m 2 to absorb solar radiation effectively. The side wall and the base is constructed with concrete. Sawdust and felt is used between the retaining wall and base to resist heat transfer from the system to the surrounding vice-versa. The top cover of the still is constructed with transparent glass pane of 4 mm housed in an aluminium frame. The catch basin that collects the condensate is constructed with PVC pipe channel of 50 mm. The performance of the still was evaluated with; Overall yield (sum of daily yield and over-night yield) at a different water depth of (20, 40, 60 mm), (5127 ml/m2/hr, 4558 ml/m 2 /hr, and 3852 ml/m 2 /hr). The efficiency of the system at different water depth (20, 40, 60 mm) 51.27 %, 45.58 %, and 38.52 %. The water analysis before and after distillation was certified safe and portable for human consumption.","PeriodicalId":429338,"journal":{"name":"MatSciRN: Materials for Energy Harvesting (Topic)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122706834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Influence of Cycle Numbers on Optical Parameters of Nanostructured Bi 2S 3 Thin Films Using SILAR Method for Solar Cells Light Harvesting 循环次数对SILAR法制备bi2s纳米薄膜光学参数的影响
MatSciRN: Materials for Energy Harvesting (Topic) Pub Date : 1900-01-01 DOI: 10.2139/ssrn.3831017
M. Bouachri, H. El Farri, M. Beraich, M. Taibi, K. Nouneh, M. Fahoume
{"title":"Influence of Cycle Numbers on Optical Parameters of Nanostructured Bi 2S 3 Thin Films Using SILAR Method for Solar Cells Light Harvesting","authors":"M. Bouachri, H. El Farri, M. Beraich, M. Taibi, K. Nouneh, M. Fahoume","doi":"10.2139/ssrn.3831017","DOIUrl":"https://doi.org/10.2139/ssrn.3831017","url":null,"abstract":"Bismuth Sulfide has attracted much interest as a semiconductor material for solar cell applications. Here we report the synthesis of Bi<sub>2</sub>S<sub>3</sub>, thin films through an economical and simply modified successive ionic layer adsorption and reaction (SILAR) method, with the use of 2-methoxyethanol C<sub>3</sub>H<sub>8</sub>O<sub>2</sub> as a complexing agent and with post- annealing of the thin films at 200 °C under inert Ar-atmosphere. The influence of the number SILAR cycles (N = 30, 40 and 50 cycles) on structural, morphological, and optical properties of the synthesized Bi<sub>2</sub>S<sub>3</sub> thin films onto a glass substrate was investigated.&nbsp;The samples have been characterized using various techniques: X-ray diffraction, Raman spectroscopy, Scanning Electron Microscopy (SEM), EDS, and UV-vis spectrophotometry. The XRD spectra showed that the as-deposited thin films consisted of an amorphous structure, which justifies the annealing step under an inert argon atmosphere (Ar-200°C). All the annealed layers suit well with the orthorhombic polycrystalline structure , and showed an improvement in the crystallinity with N-SILAR cycles. Raman spectroscopy confirms the XRD findings. Thin films show a high absorption coefficient (&gt; 10<sup>6</sup>cm<sup>-1</sup>) in the visible range and the calculated band gap energy value, which strongly depends on cycles’ number, was in the range of 1.8-1.5 eV.","PeriodicalId":429338,"journal":{"name":"MatSciRN: Materials for Energy Harvesting (Topic)","volume":"200 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133939935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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