Monocrystalline silicon and polycrystalline silicon main difference: 1, the cells in different shapes: polysilicon is 156 * 156 square film, monocrystalline silicon is generally 125 * 125 'type of octagon'; 2, different conversion efficiency: polysilicon in 16 ~ 17% on average, monocrystalline silicon, on average, at around 18%. Life
monocrystalline silicon and polycrystalline silicon main difference: 1, the cells in different shapes: polysilicon is 156 * 156 square film, monocrystalline silicon is generally 125 * 125 'type of octagon'; 2, different conversion efficiency: polysilicon in 16 ~ 17% on average, LED street lamp, monocrystalline silicon, on average, at around 18%. The production process can be roughly divided into five steps: a, b, pull rods, purification process c d, batteries, slicing process e, encapsulation process.