%0 Journal Article %T New Method of Thermal Energy¡ªTo Electrical Energy Conversion in Vacuum Devices with the Metal¡ªDielectric Nanofilm Electron Sources %A V. E. Ptitsin %J Materials Sciences and Applications %P 1073-1082 %@ 2153-1188 %D 2018 %I Scientific Research Publishing %R 10.4236/msa.2018.913078 %X New method of thermal energy¡ªto electrical energy conversion in vacuum devices with the metal (W)¡ªdielectric nanofilm (ZrO2) electron source is offered and studied. According to estimates and results of modeling, the energy effectiveness (¦Ö) of the proposed method may exceed ¦Ö for the known thermionic energy conversion method to 2 - 3 orders of magnitude. %K Energy Conversion %K Thermionic Emission %K Metal-Dielectric Nanofilm %K Nanostructures %K Abnormal Thermal Field Electron Emission %U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=89429