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    • 122. 发明授权
    • Processes for producing a thermoelectric material and a thermoelectric
element
    • 用于制造热电材料和热电元件的方法
    • US5318743A
    • 1994-06-07
    • US982460
    • 1992-11-27
    • Takeo TokiaiTakashi UesugiKazuyuki FukumotoToshitaka OhtaTakenobu Kajikawa
    • Takeo TokiaiTakashi UesugiKazuyuki FukumotoToshitaka OhtaTakenobu Kajikawa
    • B22F1/00C22C1/04H01L35/16B22F3/16
    • B22F1/0003C22C1/04H01L35/16
    • A process for producing a thermoelectric material comprises molding a material powder comprising two or more elements selected from the group consisting of bismuth, tellurium, antimony and selenium and having average diameter in the range from 0.05 to 100 .mu.m and sintering the molded material powder with or without hot isostatic pressing. The material powder may be calcinated before the molding. A process for producing a thermoelectric element comprises cutting out pieces of a pillar-like shape from each of a p-type thermoelectric material and a n-type thermoelectric material, connecting the pieces cut out from the p-type thermoelectric material and the pieces cut out from the n-type thermoelectric material alternately with electrodes at the upper faces or the lower faces of the pieces and attaching insulating base plates to the surfaces of the electrodes. The p-type thermoelectric material and the n-type thermoelectric material are respectively produced by the process described above. The thermoelectric element has improved thermoelectric property, excellent stability of the thermoelectric property and excellent mechanical strength.
    • 一种制造热电材料的方法包括:将包含选自铋,碲,锑和硒中的两种或更多种元素的材料粉末成型,并且平均直径在0.05至100μm的范围内,并将 或没有热等静压。 材料粉末可以在模制之前被煅烧。 一种热电元件的制造方法包括从p型热电材料和n型热电材料中切出柱状形状的片,将从p型热电材料切出的片和切割的片连接 从n型热电材料与电极的上表面或下表面交替地离开,并将绝缘基板连接到电极的表面。 p型热电材料和n型热电材料分别通过上述方法制造。 热电元件具有改善的热电性能,优异的热电性能稳定性和优异的机械强度。