Silicon-based materials for energy applications from thermochemical conversion of rice husk
Date de clôture : 18-04-2023:23:04
Rice husk, an agricultural residue resulting from the processing of raw rice abundant in sub-Saharan Africa, is a source of several silicon-based materials such as silicon carbide, silica, silicon nitride, silicon tetrachloride, zeolite and pure silicon. The applications of these materials are very numerous, in particular in electronics devices, energy harvesting and energy storage technology [1-5]. Silicon is the main component of crystalline or amorphous silicon photovoltaic modules. Conventional industrial production of pure silicon or silicon carbide requires large amounts of energy due to the high temperatures required to achieve carbothermal reduction of silica and uses expensive raw materials [6-8]. With regard to the manufacture of silicon-based photovoltaic cells, this increases the overall environmental impact of solar photovoltaic energy in a life cycle analysis, despite the renewable nature of the electricity produced and makes high the final cost of photovoltaic cells. Silicon carbide is a wide gap semiconductor material with interesting electrical and thermal properties and finds applications in many fields including heat absorption for solar thermal systems ...