Solar energy is clean, abundant and inexhaustible energy sources, which can be used by the different kinds of conversion such as solar-thermal energy, solar–electrical energy and so on.  The organic phase change materials (PCMs) is a promising way to store such thermal energy via their latent heat energy.  Here, we report a kind of reduced graphene oxide modified sponge compositing phase change materials (rGS-pf) for fast solar-thermal conversion and energy storage.  The reduced graphene oxide modified sponge is fabricated by coating the reduced graphene oxide on the framework of the commercial sponge, which is used to convert photo to heat.  The paraffin, a well-known phase change material, are confined in the network of the reduced graphene oxide modified sponge to store the heat.  Our rGS-pf exhibits high latent heat storage capacity and excellent cycling performance of fast thermoregulating, which is of great importance in the potential utilization of solar radiation and fast thermal energy storage application.<br/>

Reduced graphene-oxide modified, sponge-compositing phase change materials for fast solar-thermal conversion and energy storage

2019 Spring National Meeting

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