Learn why thermoelectric cooling, heating and harvesting is partly success now, partly later. Evolving optimal materials, parameters, designs, applications, technology and strategy with 90 company comparison, market-leaders, success factors, mistakes, company intentions and overall market forecasts 2022-2042. 300 pages with complete value chain and low- to high-power systems suppliers analysed. End-user markets emerging. What is required. Who to watch. Based on years of investigation by multi-lingual, PhD-level IDTechEx analysts