Thermoelectric Generators Market Size and Forecasts (2021 - 2031), Global and Regional Share, Trends, and Growth Opportunity Analysis Report Coverage:by Source (Waste Heat Recovery, Energy Harvesting, Direct Power Generation, Co-Generation); Temperature  (Below 100 °C, 100-500 °C, Above 500 °C); Watt (Less than 10W, 10W - 1KW, Above 1KW); Material  (Bismuth Telluride, Lead Telluride, Others); End-user (Automotive, Aerospace and Defense, Industrial, Others) , and Geography (North America, Europe, Asia Pacific, and South and Central America)