Abstract
In this present work, we designed and fabricated a solar refrigeration system with increase in its performance compared to present refrigeration system by using different components (solar cell and Peltier module). The construction of the Peltier module was done using nano-graphene composite and its thermoelectric property was utilized for making the hot and cold junctions. A graphene composite material monolith was synthesized using solid state fabrication techniques and this constituted the junction of the Peltier module. A maximum coefficient of performance (COP) of 8.86 was achieved. ZT factor of graphene composite thermoelectric material can be further increased through modification in processing techniques and defect engineering. This will in turn increase the refrigeration COP further.
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