Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Compound capable of being used for thermoelectric material and preparation method of compound
The invention provides a compound capable of being used for a thermoelectric material and a preparation method of the compound, the general formula of the compound is Ln2ABQ5, and Ln in the formula is any one or a combination of more than two of trivalent rare earth ions; A is any one or two of Cu or Ag; B is any one or two of Sb or Bi; Q is any one or a combination of more than two of S, Se or Te. The compound capable of being used for the thermoelectric material has a unique chain crystal structure, has the advantages of high seebeck coefficient, high electrical conductivity, low thermal conductivity and the like, and is a thermoelectric material with excellent performance, and the corresponding preparation method is simple in process step and cheap and easily available in raw materials so that the compound is convenient to popularize and apply.
本发明提供了一种可用于热电材料的化合物及其制备方法，所述化合物通式为Ln2ABQ5，式中Ln为三价稀土离子中的任一种或两种以上的组合；A为Cu或Ag中任一种或两种；B为Sb或Bi中任一种或两种；Q为S、Se或Te中任一种或两种以上的组合。本发明中可用于热电材料的化合物具有独特的链状晶体结构，且具有高赛贝克系数、高电导率和低热导率等优点，是一种性能优异的热电材料，相应的制备方法工艺步骤简单，原料廉价易得，因而便于推广应用。
Compound capable of being used for thermoelectric material and preparation method of compound
The invention provides a compound capable of being used for a thermoelectric material and a preparation method of the compound, the general formula of the compound is Ln2ABQ5, and Ln in the formula is any one or a combination of more than two of trivalent rare earth ions; A is any one or two of Cu or Ag; B is any one or two of Sb or Bi; Q is any one or a combination of more than two of S, Se or Te. The compound capable of being used for the thermoelectric material has a unique chain crystal structure, has the advantages of high seebeck coefficient, high electrical conductivity, low thermal conductivity and the like, and is a thermoelectric material with excellent performance, and the corresponding preparation method is simple in process step and cheap and easily available in raw materials so that the compound is convenient to popularize and apply.
本发明提供了一种可用于热电材料的化合物及其制备方法，所述化合物通式为Ln2ABQ5，式中Ln为三价稀土离子中的任一种或两种以上的组合；A为Cu或Ag中任一种或两种；B为Sb或Bi中任一种或两种；Q为S、Se或Te中任一种或两种以上的组合。本发明中可用于热电材料的化合物具有独特的链状晶体结构，且具有高赛贝克系数、高电导率和低热导率等优点，是一种性能优异的热电材料，相应的制备方法工艺步骤简单，原料廉价易得，因而便于推广应用。
Compound capable of being used for thermoelectric material and preparation method of compound
可用于热电材料的化合物及其制备方法
ZHANG XIAN (Autor:in) / YAO WEI (Autor:in)
30.04.2021
Patent
Elektronische Ressource
Chinesisch
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