TECHNOLOGY FOCUS - CERAMICS AND GLASS - Preferred Components: The substrate is a lightproof substrate or a combination of the transparent substrate and a non-transparent layer, where the substrate is a metal substrate, a glass substrate, or a plastic substrate, and the covering plate is a general glass, tempered glass, acrylic fabric board, sheet metal, or thin plastic plate.    TECHNOLOGY FOCUS - ELECTRICAL POWER AND ENERGY - Preferred Components: The silicon solar cell further comprises: a semiconductor substrate having a negative-type diffused layer (13) and a positive-type diffused layer located on it; and an anti-reflection layer (12), formed on the surface of the negative-type diffused layer, where the light incident side electrode and the back side electrode are respectively formed on the surfaces of the negative-type diffused layer and the positive-type diffused layer.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The nanoscale metal particle is gold, silver, copper, zinc or lead metal material, where the nanoscale metal particle associated with the conductive aluminum paste is at 0.1-10 wt.%, preferably 2 wt.% and the nanoscale metal particle has a particle size distribution D50 of 10-1000 nm, preferably 30 nm. The aluminum powder associated with the conductive aluminum paste is 65-85 wt.%, and the aluminum powder is further replaced by silver powder. The glass frit is a glass frit of lead compound, where the glass frit associated with the conductive aluminum paste is 0.1-6 wt.%.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The organic solvent is the organic solvent of the alcohol ether class comprising diethylene glycol monobutyl ether, where the organic solvent associated with the conductive aluminum paste is at 15-25 25 wt.%.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The ethylene vinyl acetate material is melted by using a high temperature and high pressure process under a vacuum environment, so as to pack the silicon solar cell between substrate and the covering plate, and cover the silicon solar cell in the ethylene vinyl acetate material.