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The invention discloses a bismuth telluride-based composite thermoelectric material of a flexible thermoelectric device and a preparation method in the technical field of thermoelectric materials, the bismuth telluride-based composite thermoelectric material is composed of Bi < x > Sb < 1-x > Te < y > S < 1-y >, x is equal to 0.6-0.9, and y is equal to 0.3-0.6; according to the invention, a series of bismuth telluride-based composite thermoelectric materials are prepared, the thermoelectric figure of merit is maximized and the ZT value performance is best through macroscopic regulation and control, and the synergistic effect among Seebeck coefficient, conductivity and thermal conductivity is realized; meanwhile, preparation process parameters are optimized, the production efficiency is improved, and the performance is not changed; in addition, the preparation method has the advantages of abundant and easily available raw materials, simple and controllable process, short preparation period and low energy consumption, and can realize large-scale industrial production.
本发明公开了热电材料技术领域的一种柔性热电器件的碲化铋基复合热电材料及制备方法，所述碲化铋基复合热电材料的组成为BixSb1‑xTeyS1‑y，x=0.6～0.9，y=0.3～0.6；本发明通过制备一系列的碲化铋基复合热电材料，通过宏观调控使热电优值最大，ZT值性能最好，实现了塞贝克系数，电导率，热导率之间的协同作用；同时，优化制备工艺参数，提高生产效率的同时，不改变性能的提高；其次，该制备方法中原料丰富易得、工艺简单可控、制备周期短和能耗低，可实现大规模的工业化生产。
The invention discloses a bismuth telluride-based composite thermoelectric material of a flexible thermoelectric device and a preparation method in the technical field of thermoelectric materials, the bismuth telluride-based composite thermoelectric material is composed of Bi < x > Sb < 1-x > Te < y > S < 1-y >, x is equal to 0.6-0.9, and y is equal to 0.3-0.6; according to the invention, a series of bismuth telluride-based composite thermoelectric materials are prepared, the thermoelectric figure of merit is maximized and the ZT value performance is best through macroscopic regulation and control, and the synergistic effect among Seebeck coefficient, conductivity and thermal conductivity is realized; meanwhile, preparation process parameters are optimized, the production efficiency is improved, and the performance is not changed; in addition, the preparation method has the advantages of abundant and easily available raw materials, simple and controllable process, short preparation period and low energy consumption, and can realize large-scale industrial production.
本发明公开了热电材料技术领域的一种柔性热电器件的碲化铋基复合热电材料及制备方法，所述碲化铋基复合热电材料的组成为BixSb1‑xTeyS1‑y，x=0.6～0.9，y=0.3～0.6；本发明通过制备一系列的碲化铋基复合热电材料，通过宏观调控使热电优值最大，ZT值性能最好，实现了塞贝克系数，电导率，热导率之间的协同作用；同时，优化制备工艺参数，提高生产效率的同时，不改变性能的提高；其次，该制备方法中原料丰富易得、工艺简单可控、制备周期短和能耗低，可实现大规模的工业化生产。
Bismuth telluride-based composite thermoelectric material of flexible thermoelectric device and preparation method of bismuth telluride-based composite thermoelectric material
一种柔性热电器件的碲化铋基复合热电材料及制备方法
2023-06-23
Patent
Electronic Resource
Chinese
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