2026-09-19T16:01:33Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1279032021-07-05T14:03:20Zcom_1721.1_7582com_1721.1_7581col_1721.1_131024
Asegun Henry.
Milde, Lucy(Lucy E.)
Massachusetts Institute of Technology. Department of Mechanical Engineering.
Massachusetts Institute of Technology. Department of Mechanical Engineering
2020-10-08T21:29:37Z
2020-10-08T21:29:37Z
2020
2020
https://hdl.handle.net/1721.1/127903
1197627296
Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, May, 2020
Cataloged from the official PDF of thesis.
Includes bibliographical references (pages 22-23).
The reflectivity of a gold-plated cold plate, and mounted multi-junction photovoltaic cells, is studied in the context of a thermal energy grid storage system. The emitter is modeled as a black body emitter. Improving the efficiency of the system requires high reflectance below the bandgap energy of the cells, and high absorption above the bandgap. The matrix transfer method is used to predict the total reflectance of the cell, and to study the effect of changing the thickness of the most significant layer. Decreasing the thickness of this layer can lead to a higher reflectance below the bandgap, but more data is needed to fully integrate the effect of doping concentration (using the Drude model) into these reflectance calculations.
by Lucy Milde.
S.B.
S.B. Massachusetts Institute of Technology, Department of Mechanical Engineering
23 pages
eng
Massachusetts Institute of Technology
MIT theses may be protected by copyright. Please reuse MIT thesis content according to the MIT Libraries Permissions Policy, which is available through the URL provided.
http://dspace.mit.edu/handle/1721.1/7582
Mechanical Engineering.
Model of reflectance of thermophotovoltaic cell and cold plate
Thesis
application/pdf
2020-10-08T21:29:36Z
Publication
Bachelor
MechE
unknown
unknown
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<Abstract>The reflectivity of a gold-plated cold plate, and mounted multi-junction photovoltaic cells, is studied in the context of a thermal energy grid storage system. The emitter is modeled as a black body emitter. Improving the efficiency of the system requires high reflectance below the bandgap energy of the cells, and high absorption above the bandgap. The matrix transfer method is used to predict the total reflectance of the cell, and to study the effect of changing the thickness of the most significant layer. Decreasing the thickness of this layer can lead to a higher reflectance below the bandgap, but more data is needed to fully integrate the effect of doping concentration (using the Drude model) into these reflectance calculations.</Abstract>
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