Nanostructured Titanate Thermoelectrics for Energy Applications

热电材料越来越受到人们的关注，以从汽车、工业、医疗和家庭环境中的废热发电。传统的热电器件是基于笨重、供应短缺和不环保的元件。氧化物热电有可能克服所有这些限制，并在现有和新的应用领域中找到用途。钛酸盐，包括基于SrTiO 3的钙钛矿，显示出相当大的潜力。该项目将专注于钛酸盐陶瓷的纳米结构，以降低热导率和掺杂，以提高电导率，以提高热电性能。将特别注意接口的作用。这项工作将涉及制备高质量的陶瓷，以了解组成，显微结构和热电性能之间的关系。

Thermoelectrics are of growing interest to generate power from waste heat in automotive, industrial, medical and domestic environments. Traditional thermoelectrics are based on elements which are heavy, in short supply and not environmentally friendly. Oxide thermoelectrics have the potential to overcome all these limitations and find use in both established and novel application areas. Titanates, including perovskites based on SrTiO3, show considerable potential. The project will focus on nanostructuring of titanate oxide ceramics to reduce thermal conductivity and doping to increase electrical conductivity, in order to enhance thermoelectric performance. Particular attention will be paid to the role of interfaces. The work will involve preparation of high quality ceramics in order to understanding the relationships between composition, microstructure and thermoelectric properties.