Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of Cu-doped (Bi, Sb) 2Te3 thermoelectric material and product of Cu-doped (Bi, Sb) 2Te3 thermoelectric material
The invention discloses a preparation method of a Cu-doped (Bi, Sb) 2Te3 thermoelectric material and a product of the Cu-doped (Bi, Sb) 2Te3 thermoelectric material, and relates to the technical field of thermoelectric materials. The preparation method comprises the following steps: weighing elementary substances Bi, Sb, Te and Cu according to the stoichiometric ratio of CuxBi0. 3Sb1.7-xTe3 and x is greater than or equal to 0.0008 and less than or equal to 0.0075, grinding the weighed raw materials into mechanical alloying powder through a ball mill, pouring the mechanical alloying powder into a graphite mold, and carrying out spark plasma sintering to obtain the Cu-doped (Bi, Sb) 2Te3 thermoelectric material. According to the Cu-doped (Bi, Sb) 2Te3 thermoelectric material and the preparation method thereof, the Cu-doped Bi0. 3Sb. 7Te3 is synthesized by adopting a method of combining mechanical alloying and spark plasma sintering, and the Cu-doped (Bi, Sb) 2Te3 thermoelectric material prepared by the preparation method disclosed by the invention has the advantages that the high thermoelectric performance and the high-current pulse resistance stability are enhanced.
本发明公开了一种Cu掺杂的(Bi,Sb)2Te3热电材料的制备方法及其产品，涉及热电材料技术领域。该制备方法，包括以下步骤：将单质Bi、Sb、Te和Cu，按照CuxBi0.3Sb1.7‑xTe3，0.0008≤x≤0.0075的化学计量比进行称量，称量好的原料经球磨机打磨成机械合金化粉末，再将所述机械合金化粉末倒入石墨模具中，经过放电等离子体烧结得到所述Cu掺杂的(Bi,Sb)2Te3热电材料。本发明采用机械合金化和放电等离子烧结相结合的方法合成了Cu掺杂的Bi0.3Sb1.7Te3，本发明制备的Cu掺杂的(Bi,Sb)2Te3热电材料，高热电性能和抗高电流脉冲的稳定性得到增强。
Preparation method of Cu-doped (Bi, Sb) 2Te3 thermoelectric material and product of Cu-doped (Bi, Sb) 2Te3 thermoelectric material
The invention discloses a preparation method of a Cu-doped (Bi, Sb) 2Te3 thermoelectric material and a product of the Cu-doped (Bi, Sb) 2Te3 thermoelectric material, and relates to the technical field of thermoelectric materials. The preparation method comprises the following steps: weighing elementary substances Bi, Sb, Te and Cu according to the stoichiometric ratio of CuxBi0. 3Sb1.7-xTe3 and x is greater than or equal to 0.0008 and less than or equal to 0.0075, grinding the weighed raw materials into mechanical alloying powder through a ball mill, pouring the mechanical alloying powder into a graphite mold, and carrying out spark plasma sintering to obtain the Cu-doped (Bi, Sb) 2Te3 thermoelectric material. According to the Cu-doped (Bi, Sb) 2Te3 thermoelectric material and the preparation method thereof, the Cu-doped Bi0. 3Sb. 7Te3 is synthesized by adopting a method of combining mechanical alloying and spark plasma sintering, and the Cu-doped (Bi, Sb) 2Te3 thermoelectric material prepared by the preparation method disclosed by the invention has the advantages that the high thermoelectric performance and the high-current pulse resistance stability are enhanced.
本发明公开了一种Cu掺杂的(Bi,Sb)2Te3热电材料的制备方法及其产品，涉及热电材料技术领域。该制备方法，包括以下步骤：将单质Bi、Sb、Te和Cu，按照CuxBi0.3Sb1.7‑xTe3，0.0008≤x≤0.0075的化学计量比进行称量，称量好的原料经球磨机打磨成机械合金化粉末，再将所述机械合金化粉末倒入石墨模具中，经过放电等离子体烧结得到所述Cu掺杂的(Bi,Sb)2Te3热电材料。本发明采用机械合金化和放电等离子烧结相结合的方法合成了Cu掺杂的Bi0.3Sb1.7Te3，本发明制备的Cu掺杂的(Bi,Sb)2Te3热电材料，高热电性能和抗高电流脉冲的稳定性得到增强。
Preparation method of Cu-doped (Bi, Sb) 2Te3 thermoelectric material and product of Cu-doped (Bi, Sb) 2Te3 thermoelectric material
一种Cu掺杂的(Bi,Sb)2Te3热电材料的制备方法及其产品
LIU FENGMING (Autor:in) / LI JINGFENG (Autor:in) / CAI BOWEN (Autor:in)
27.12.2022
Patent
Elektronische Ressource
Chinesisch
Controllable preparation method of P-type (Bi, Sb) 2Te3-based porous thermoelectric material
| Europäisches Patentamt | 2022
High thermoelectric properties of (Sb, Bi)2Te3 nanowire arrays by tilt-structure engineering
| British Library Online Contents | 2018
Aqueous chemical synthesis of nanoscale Bi2(Te,Se)3 and (Bi,Sb)2Te3 thermoelectric compounds
| British Library Online Contents | 2008
A theoretical investigation on thermoelectric performance of ternary (Bi1−x Sb x )2Te3 compound
| British Library Online Contents | 2013
| British Library Online Contents | 2017