Laser wireless energy transmission device and preparation method and application thereof

The invention relates to a laser wireless energy transmission device and a preparation method and application thereof. The laser wireless energy transmission device comprises a thermoelectric assembly, a laser absorption assembly and a heat dissipation assembly, wherein the laser absorption assembly and the heat dissipation assembly are separated by the thermoelectric assembly; the thermoelectric assembly comprises at least one thermoelectric device; the thermoelectric device comprises a thermoelectric arm layer, anti-diffusion layers, electrode layers and ceramic layers are arranged on the two sides of the thermoelectric arm layer, the anti-diffusion layers are located between the thermoelectric arm layer and the electrode layers, and the thermoelectric arm layer, the electrode layers and the anti-diffusion layers are in contact connection. The ceramic layers on the two sides of the thermoelectric arm layer are adjacent to the laser absorption assembly and the heat dissipation assembly respectively. Accordin