碲化铋
热电效应
热电发电机
钴酸盐
热电材料
材料科学
碲化物
光电子学
铋
热电冷却
工程物理
机械工程
电子工程
冶金
复合材料
工程类
热导率
物理
热力学
标识
DOI:10.1002/9783527843688.ch2
摘要
The traditional thermoelectric devices are designed in series and in parallel with the "π" structure of P-type materials and N-type materials to ensure the required output power. Thermoelectric materials can be divided into metal alloys, semiconductor metal oxides, etc. according to their materials. Through the optimization design of the device structure, it is easy to maximize the thermoelectric performance of the material and achieve high conversion efficiency. The manufacturing technology of π-structured bismuth telluride thermoelectric devices is well-established and has been widely used commercially. In this chapter, the single-stage cobaltite device and two-stage cobaltite/bismuth telluride power generation device are taken as examples to demonstrate the optimal design method of the device structure and the influence of the main structural parameters and interface parameters on the device performance.
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