Thermoelectric semiconductors have enabled the application of power generation chips in fireplace fans and isotope thermoelectric generators. In the future, with the gradual popularization of environmental protection awareness, Xianfeng Thermoelectric will occupy a place in the thermal energy and waste heat recovery industries relying on thermoelectric power generation. Thermoelectric power generation technology is a new energy technology that directly converts thermal energy into electrical energy by utilizing the Seebeck effect of semiconductor materials. It is widely used in aerospace, military, industry, automotive, new energy, household appliances and other fields.