High-efficiency photovoltaic module

The utility model provides a high-efficiency photovoltaic assembly, the photovoltaic assembly sequentially comprises front glass, a front packaging adhesive film, a battery piece, a rear packaging adhesive film and a back surface structure from top to bottom, the front packaging adhesive film is a high refractive index packaging adhesive film, and the battery piece comprises a battery piece substrate and an antireflection film arranged on the front surface of the battery piece substrate; the refractive index of the front packaging adhesive film is 1.80 to 1.85; and the refractive index of the antireflection film is 2.2 to 3.0. According to the utility model, the refractive indexes of the packaging adhesive film and the battery piece are optimized, the refractive indexes and the film thicknesses of the front glass, the packaging adhesive film and the battery piece are regulated and controlled, the interference of light is optimized, the optimal antireflection effect is achieved, sunlight received by the batter