研究目的
Investigating the performance of monocrystalline and polycrystalline silicon solar cells in underwater conditions to explore the potential of underwater photovoltaic systems as a sustainable power source for marine electronics and other underwater applications.
研究成果
The study demonstrated that monocrystalline and polycrystalline silicon solar cells can generate useful power underwater, even in conditions with salinity and other impurities. The decrease in maximum power output was significant but showed potential for underwater applications. The findings encourage further exploration of solar PV technology for underwater power sources, considering factors like turbulence and temperature in outdoor conditions.
研究不足
The study was conducted in controlled indoor conditions, and the performance of solar cells in outdoor underwater environments with factors like turbulence and temperature variations was not considered. The depth was limited to 20 cm, and the effect of higher depths was not explored.
1：Experimental Design and Method Selection:
The study involved an experimental setup to analyze the performance of monocrystalline and polycrystalline silicon solar cells under different water conditions (DI water, ocean water, artificial ocean water, and lake water) and depths up to 20 cm. The solar cells were encapsulated with PDMS to protect them underwater.
2：Sample Selection and Data Sources:
Monocrystalline and polycrystalline silicon solar cells were used for the study. Solar radiation underwater was measured using a submersible pyranometer sensor.
3：List of Experimental Equipment and Materials:
A Solar simulator system of class AAA (Model: SS50AAA) with Standard Test Conditions (STC), Submersible Pyranometer (PYR) Sensor from Apogee Instruments Inc, USA, monocrystalline Solar cell from IXYS, South Korea, and polycrystalline Solar cell from Kitronik Ltd, China.
4：Experimental Procedures and Operational Workflow:
The solar cells were submerged in water at varying depths up to 20 cm, and their performance was analyzed under different water conditions. The IV and PV characteristics were measured using a precision source/measure unit.
5：Data Analysis Methods:
The performance of the solar cells was analyzed based on the decrease in solar radiation underwater and its effect on the electrical parameters of the solar cells.
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