Evaluation of HNBR as a substitute polymeric material for encapsulations in silicon photovoltaic panels
DOI:
https://doi.org/10.29312/remexca.v16i30.4054Keywords:
HNBR, rubbers, silicon, solar energy, solar panelsAbstract
Currently, the use of renewable energies, specifically photovoltaic energy, has experienced almost exponential growth due to the increasingly intense energy demand in the world. This has led the photovoltaic industry to focus its efforts on the efficiency of photovoltaic generators. An area of study of great interest is the substitution of materials currently used either as encapsulants or insulators for the manufacture of silicon photovoltaic modules. In this work, polymeric coating tests for photovoltaic cells were carried out using hydrogenated nitrile butadiene rubber to study the feasibility of its use as a photovoltaic encapsulant. Polymer membranes were prepared by pressing under different conditions to obtain the desired optimal adhesion and transparency properties. Finally, tests of electrical variables were performed under standard laboratory conditions (25 °C, 1 000 W m-2, 1.5 air masses). The results of the measurements validate the use of hydrogenated nitrile butadiene as an encapsulating polymer for photovoltaic modules, since this material shows a greater thermal stability of more than 100 °C compared to conventional encapsulants, such as ethylene vinyl acetate, without affecting the passage of electrical current through the material, which makes it a more stable and durable option with potential application in larger-scale solar cells.
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