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P-type bismuth telluride thermoelectric material and preparation method thereof
The invention discloses a P-type bismuth telluride thermoelectric material and a preparation method thereof. The preparation method includes the steps that Bi, Sb and Te simple substance powder servesas raw materials, ball milling is conducted, then plasma sintering is conducted, a block material is prepared, and the P-type bismuth telluride thermoelectric material is obtained. The preparation method has the characteristics of simple process, short production period and high production efficiency, and the prepared modulated bismuth telluride-based thermoelectric block material is high in purity, low in thermal conductivity, high in electrical conductivity and high in mechanical strength.
本发明公开了一种P型碲化铋热电材料及其制备方法，所述制备方法以Bi、Sb、Te单质粉末为原料，进行球磨，然后进行等离子体烧结，制备块体材料，即为P型碲化铋热电材料。本发明具有工艺简单、生产周期短和生产效率高的特点，所制备调制的碲化铋基热电块体材料纯度高、热导率低、电导率高、机械强度高。
P-type bismuth telluride thermoelectric material and preparation method thereof
The invention discloses a P-type bismuth telluride thermoelectric material and a preparation method thereof. The preparation method includes the steps that Bi, Sb and Te simple substance powder servesas raw materials, ball milling is conducted, then plasma sintering is conducted, a block material is prepared, and the P-type bismuth telluride thermoelectric material is obtained. The preparation method has the characteristics of simple process, short production period and high production efficiency, and the prepared modulated bismuth telluride-based thermoelectric block material is high in purity, low in thermal conductivity, high in electrical conductivity and high in mechanical strength.
本发明公开了一种P型碲化铋热电材料及其制备方法，所述制备方法以Bi、Sb、Te单质粉末为原料，进行球磨，然后进行等离子体烧结，制备块体材料，即为P型碲化铋热电材料。本发明具有工艺简单、生产周期短和生产效率高的特点，所制备调制的碲化铋基热电块体材料纯度高、热导率低、电导率高、机械强度高。
P-type bismuth telluride thermoelectric material and preparation method thereof
一种P型碲化铋热电材料及其制备方法
LIU FENGMING (author)
2020-10-30
Patent
Electronic Resource
Chinese
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