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Bismuth telluride composite material and preparation method and application thereof
The invention discloses a bismuth telluride composite material. The bismuth telluride composite material comprises the following raw materials: bismuth telluride nanosheets, nano-zinc oxide and graphite. The invention also discloses a preparation method of the bismuth telluride composite material, and the preparation method comprises the following steps: uniformly dispersing the bismuth telluride nanosheet, the nano zinc oxide and the graphite in water, then rapidly solidifying, freeze-drying, and carrying out vacuum hot pressed sintering to obtain the bismuth telluride composite material. The invention also discloses an application of the bismuth telluride composite material in thermoelectric materials. The bismuth telluride composite material is high in thermoelectric figure of merit and has good thermoelectric performance.
本发明公开了一种碲化铋复合材料，其原料包括：碲化铋纳米片、纳米氧化锌和石墨。本发明还公开了上述碲化铋复合材料的制备方法，包括如下步骤：将碲化铋纳米片、纳米氧化锌和石墨在水中均匀分散，然后急速凝固，再冷冻干燥，真空热压烧结得到碲化铋复合材料。本发明还公开了上述碲化铋复合材料在热电材料中的应用。本发明所述碲化铋复合材料的热电优值高，具有良好的热电性能。
Bismuth telluride composite material and preparation method and application thereof
The invention discloses a bismuth telluride composite material. The bismuth telluride composite material comprises the following raw materials: bismuth telluride nanosheets, nano-zinc oxide and graphite. The invention also discloses a preparation method of the bismuth telluride composite material, and the preparation method comprises the following steps: uniformly dispersing the bismuth telluride nanosheet, the nano zinc oxide and the graphite in water, then rapidly solidifying, freeze-drying, and carrying out vacuum hot pressed sintering to obtain the bismuth telluride composite material. The invention also discloses an application of the bismuth telluride composite material in thermoelectric materials. The bismuth telluride composite material is high in thermoelectric figure of merit and has good thermoelectric performance.
本发明公开了一种碲化铋复合材料，其原料包括：碲化铋纳米片、纳米氧化锌和石墨。本发明还公开了上述碲化铋复合材料的制备方法，包括如下步骤：将碲化铋纳米片、纳米氧化锌和石墨在水中均匀分散，然后急速凝固，再冷冻干燥，真空热压烧结得到碲化铋复合材料。本发明还公开了上述碲化铋复合材料在热电材料中的应用。本发明所述碲化铋复合材料的热电优值高，具有良好的热电性能。
Bismuth telluride composite material and preparation method and application thereof
一种碲化铋复合材料及其制备方法、应用
HUANG JUNJUN (author) / CHEN CHEN (author)
2023-09-29
Patent
Electronic Resource
Chinese
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