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Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference最新文献

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Proposed acceptance, qualification, and characterization tests for thin-film PV modules 提出薄膜光伏组件的验收、鉴定和特性测试
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105902
D. Waddington, L. Mrig, R. Deblasio, R. Ross
{"title":"Proposed acceptance, qualification, and characterization tests for thin-film PV modules","authors":"D. Waddington, L. Mrig, R. Deblasio, R. Ross","doi":"10.1109/PVSC.1988.105902","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105902","url":null,"abstract":"Details of a proposed test program for PV thin-film modules which the Department of Energy has directed SERI to prepare are presented. Results of one of the characterization tests that SERI has performed are also presented. The objective is to establish a common approach to testing modules that will be acceptable to both users and manufacturers. The tests include acceptance, qualification, and characterization tests. Acceptance tests verify that randomly selected modules have similar characteristics. Qualification tests are based on accelerated test methods designed to simulate adverse conditions. Characterization tests provide data on performance in a predefined environment.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"58 1","pages":"1236-1241 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78856614","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
Antimony-doped dendritic web silicon solar cells 掺锑树突状网状硅太阳能电池
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105735
D. Meier, J. Spitznagel, J. Greggi, R. Campbell
{"title":"Antimony-doped dendritic web silicon solar cells","authors":"D. Meier, J. Spitznagel, J. Greggi, R. Campbell","doi":"10.1109/PVSC.1988.105735","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105735","url":null,"abstract":"Antimony has been explored as a dopant in dendritic web silicon in an attempt to achieve uniformity in resistivity through the thickness and along the length of the web ribbon, and to inhibit the formation of deleterious oxide precipitates. The desired uniformity was achieved, making possible the fabrication of efficient, n-base bifacial cells using high-resistivity (10-100 Omega -cm) web and the growth of web over long periods of time (five days) without replenishing the dopant in the melt. Antimony-doped web cells were fabricated with measured hole diffusion lengths up to 333 mu m and hole lifetimes up to 66 mu s. Such diffusion lengths significantly exceed the typical web thickness (100-125 mu m), thereby satisfying an important requirement for high-efficiency cells. Web cell efficiencies up to 16.7% were measured. It is concluded that the superior electrical properties obtained for some cells may be associated more with appropriate growth conditions (few dislocations) than with the action of antimony in inhibiting the formation of SiO/sub x/ precipitates.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"3 1","pages":"415-422 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79013991","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: 3
Interim results of the SLATS concentrator experiment on LIPS-II (space vehicle power plants) 空间飞行器动力装置lip - ii上SLATS聚光器实验中期结果
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105822
T. Stern
{"title":"Interim results of the SLATS concentrator experiment on LIPS-II (space vehicle power plants)","authors":"T. Stern","doi":"10.1109/PVSC.1988.105822","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105822","url":null,"abstract":"An analysis of four months of data from SLATS concentrator experiments on LIPS-III is presented. The array panel includes three mirrors, each focusing on two different linear solar cell strings. Small changes in current, voltage, and temperature have been observed in all six experiments. The use of unglassed solar cells on four of the six strings does not seem to affect these performance trends, confirming that the surrounding mirror and cell assembly components can be used as cell shielding. Analysis of current output during off-pointed periods allows a determination of concentrator pointing tolerances. Results show the ability of the design to withstand launch and deployment forces and maintain the accuracy needed for optical efficiency.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"35 1","pages":"837-840 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87798117","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: 4
Material quality and design optimization for high efficiency GaAs solar cells 高效砷化镓太阳能电池的材料质量和设计优化
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105787
S. Ringel, A. Rohatgi
{"title":"Material quality and design optimization for high efficiency GaAs solar cells","authors":"S. Ringel, A. Rohatgi","doi":"10.1109/PVSC.1988.105787","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105787","url":null,"abstract":"A methodology is developed to determine minority carrier lifetime and recombination velocity in high-efficiency GaAs p/n heteroface solar cells. A combination of measurements and modeling is used to demonstrate that a base lifetime of 8 ns and a heteroface recombination velocity of 1.25*10/sup 5/ cm/s are necessary to simulate the spectral response, cell data, and leakage current in a 21.2% efficient GaAs cell. Optimization of the p/n heteroface structure shows that AM1.5 one-sun efficiencies of approximately 25% are achievable from a thin base/buffer design with a base lifetime of only 15 ns and a well-passivated back surface. In addition, it is shown that the doping dependence of the Shockley-Read-Hall lifetime is an important consideration in GaAs device modeling, especially if a shallow level ( approximately E/sub t/=0.2 eV) limits the bulk lifetime.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"23 1","pages":"666-671 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91202317","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: 6
Predicted performance of near-optimally designed indium phosphide space solar cells at high intensities and temperatures 预测了在高强度和高温度下近乎优化设计的磷化铟空间太阳能电池的性能
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105792
C. Goradia, W. Thesling, M. Ghalla-Goradia, I. Weinberg, C. K. Swartz
{"title":"Predicted performance of near-optimally designed indium phosphide space solar cells at high intensities and temperatures","authors":"C. Goradia, W. Thesling, M. Ghalla-Goradia, I. Weinberg, C. K. Swartz","doi":"10.1109/PVSC.1988.105792","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105792","url":null,"abstract":"The authors calculated the expected performance dependence of near-optimally designed shallow homojunction n/sup +/pp/sup +/ InP solar cells on incident intensities up to 200 AMO and temperatures up to 100 degrees C (373 K). Both circular and rectangular cells were considered, the former for use in a Cassegrainian concentrator array at 100 AM0, 80-100 degrees C and the latter for use in a Slats concentrator array at 20 AM0, 80-100 degrees C. With efficiencies near 22% at 80 degrees C, both the circular and rectangular InP shallow homojunction solar cells compare very favorably to GaAs cells of the same design and may be preferable to the GaAs cells for space applications because of the superior radiation tolerance of the InP cells.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"82 1","pages":"695-701 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83395977","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: 4
Life-cycle comparison of different battery types for use with photovoltaic systems 光伏系统中不同类型电池的寿命周期比较
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105885
S. Lancashire
{"title":"Life-cycle comparison of different battery types for use with photovoltaic systems","authors":"S. Lancashire","doi":"10.1109/PVSC.1988.105885","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105885","url":null,"abstract":"A summary of results from an extensive study of batteries for PV power systems is presented. The significant characteristics of high-quality lead-acid and nickel-cadmium batteries with respect to their use in PV power systems are compared and the results of a survey of user experiences are presented. For typical PV systems, comparative system sizings and life-cycle costs are presented for several types of battery. The conditions under which different battery types are most appropriate are identified. It is shown that nickel cadmium batteries are often a more cost-effective option than lead-acid batteries for PV systems. This applies in cold, temperature, and hot climates.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"23 1","pages":"1157-1163 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73480674","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: 13
Hybrid renewable energy systems for off-shore naval installations 用于近海海军设施的混合可再生能源系统
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105890
G. Barlowe, R. Day, D. Kilfoyle, R. Roberts, G. Smith
{"title":"Hybrid renewable energy systems for off-shore naval installations","authors":"G. Barlowe, R. Day, D. Kilfoyle, R. Roberts, G. Smith","doi":"10.1109/PVSC.1988.105890","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105890","url":null,"abstract":"An overview of the design and testing of a hybrid system consisting of two North Wind 12 kW wind generators, a 5 kW Solarex photovoltaic array, and a 138 kWh GNB battery bank to provide power for an offshore tactical aircrew combat training system is presented. Test data were collected via a data acquisition system which provided data collection and reduction into hourly averages, system operational status information, current data, and a user system control. During the prototype testing, the system compiled a 100% availability record. The installation of eight offshore platform power systems is discussed.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"2 1","pages":"1179-1181 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73463366","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
Status of LIPS-II GaAs after five years in orbit LIPS-II GaAs在轨5年后的状态
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105859
J.D. Scorfield
{"title":"Status of LIPS-II GaAs after five years in orbit","authors":"J.D. Scorfield","doi":"10.1109/PVSC.1988.105859","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105859","url":null,"abstract":"Updated and reduced data through day 1995 as well as conclusions about the performance and behavior of the GaAs panel are presented. The performance of the GaAs panel, after initial severe degradation, is encouraging. The results support other data indicating that GaAs solar cells are a viable space power system component. Taking into account recent advances such as Ge substrate use, multibandgap efforts, and significant performance gains, the author concludes that GaAs cells are ready to become the next generation of photovoltaic cells supplying space power for military and commercial missions.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"34 1","pages":"1024-1026 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76736837","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
Exact calculation of back surface recombination velocity and its influence on quantum efficiency of n/sup +/-p-p/sup +/ structure based silicon solar cells n/sup +/-p-p/sup +/结构硅太阳电池背面复合速度的精确计算及其对量子效率的影响
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105988
S.N. Singh, P.K. Singh
{"title":"Exact calculation of back surface recombination velocity and its influence on quantum efficiency of n/sup +/-p-p/sup +/ structure based silicon solar cells","authors":"S.N. Singh, P.K. Singh","doi":"10.1109/PVSC.1988.105988","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105988","url":null,"abstract":"An exact theory of spectral response of thin-film epitaxial solar cells is developed, and a new expression for the effective back surface recombination velocity is derived. On the basis of this theory, the spectral response as a function of relevant cell parameters, such as dopings, diffusion lengths, and thicknesses of the substrate and epitaxial layer regions and the dead layer, is calculated. It was found that two effects mainly control the spectral response of epitaxial solar cells: (i) the doping ratio of substrate to epitaxial layer and (ii) the dead layer thickness. The former markedly influences the long wavelength region spectral response, while the latter has a profound effect on the short wavelength response. The theory also predicts a significant contribution from the substrate to the quantum efficiency.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"176 1","pages":"1629-1634 vol.2"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76914779","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
Improved prediction and analysis of cell performance at elevated temperatures 改进了高温下电池性能的预测和分析
Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference Pub Date : 1988-01-01 DOI: 10.1109/PVSC.1988.105769
G. Garlick, B.S. Smith
{"title":"Improved prediction and analysis of cell performance at elevated temperatures","authors":"G. Garlick, B.S. Smith","doi":"10.1109/PVSC.1988.105769","DOIUrl":"https://doi.org/10.1109/PVSC.1988.105769","url":null,"abstract":"Improved modeling and analysis have been applied to data on Si solar cells made for the Magellan satellite (Venus orbits) at temperatures from -50 to 100 degrees C. Derived saturation currents for the cells have been used to calculate base minority carrier lifetimes. These rise with temperature, showing some saturation near 100 degrees C. Data are quantitatively explained by an energy band model with divacancy levels at 0.25 eV and impurity levels at 0.6 eV above the valance band. Close fits to experimental results are found for concentrations of 6*10/sup 12//cm/sup 3/ and 1.5-2*10/sup 11//cm/sup 3/ for the 0.25 and 0.6 eV levels, respectively. At 100 degrees C the saturation is controlled by the latter, while divacancies affect the lifetimes at lower temperatures. It is concluded that this analysis of quite usual test data for cells, coupled with temperature variation, provides a powerful insight into basic parameters which determine the cell operational performance.<<ETX>>","PeriodicalId":10562,"journal":{"name":"Conference Record of the Twentieth IEEE Photovoltaic Specialists Conference","volume":"30 1","pages":"587-590 vol.1"},"PeriodicalIF":0.0,"publicationDate":"1988-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85966563","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
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