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Stabilized p-type lead telluride

阅读:306发布:2021-11-11

专利汇可以提供Stabilized p-type lead telluride专利检索,专利查询,专利分析的服务。并且It is disclosed that when power generating thermopiles comprised of lead telluride thermoelements are operated at temperatures above about 400*C, the metal electrodes in contact with the ends of the thermoelements tend to diffuse into the lead telluride. The metals used for the electrodes are n-type dopants and degrade the properties of the p-type thermoelements. Manganese telluride has a low solid solubility limit in lead telluride. By saturating the p-type lead telluride with manganese telluride, the diffusion of the electrode material into the lead telluride is substantially eliminated without materially reducing the electrical properties.,下面是Stabilized p-type lead telluride专利的具体信息内容。

1. A THEMOELECTRIC GENERATOR COMPONENT FOR OPERATION AT A SELECTED TEMPERATURE ABOVE 400*C COMPRISING A SEMICONDUCTING THERMOELEMENT AND A METAL ELECTRODE IN INTIMATE ELECTRICAL CONTACT WITH THE THERMOELEMENT, SAID ELECTRODE BEING OF A METAL SELECTED FROM THE GROUP CONSISTING OF IRON AND IRON-BASE ALLOYS, AND SAID THERMOELEMENT CONSISTING ESSENTIALLY OF A SOLID SOLUTION OF A RELATIVELY SMALL AMOUNT OF MANGANESE TELLURIDE IN P-TYPE LEAD TELLURIDE WHICH SOLID SOLUTION IS SATURATED AT THE SELECTED OPERATING TEMPERATURE ABOVE 400*C.
2. The thermoelectric generator component of claim 1 in which the selected operating temperature is about 600*C and the manganese telluride content of the semiconducting lead telluride thermoelement is about 4 mol per cent and the solid solution of manganese telluride in p-type lead telluRide is saturated at the said selected operating temperature.
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