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    • 17. 发明授权
    • Thermoelectric transportation material containing nitrogen
    • 含氮的热电输送材料
    • US08203067B2
    • 2012-06-19
    • US12355227
    • 2009-01-16
    • Shigeo YamaguchiYasuo IwamuraAtsushi Yamamoto
    • Shigeo YamaguchiYasuo IwamuraAtsushi Yamamoto
    • H01L35/12H01L35/20
    • H01L35/22
    • A nitrogen-containing thermoelectric material, which has an element composition represented by: AlzGayInxMuRvOsNt  (A) or AlzGayInxMuRvDwNm  (B) (wherein M represents a transition element; R represents a rare earth element; D represents at least one element selected from elements of the Group IV or II; 0≦z≦0.7, 0≦y≦0.7, 0.2≦x≦1.0, 0≦u≦0.7, 0≦v≦0.05, 0.9≦s+t≦1.7, 0.4≦s≦1.2, 0≦w≦0.2 and 0.9≦m≦1.1; and x+y+z=1), and has an absolute value of a Seebeck coefficient of 40 μV/K or more at a temperature of 100° C. or more. These thermoelectric materials comprise elements having low toxicity, are excellent in a heat resistance, a chemical resistance and the like, and have a high thermoelectric transforming efficiency.
    • 具有由AlzGayInxMuRvOsNt(A)或AlzGayInxMuRvDwNm(B)表示的元素组成的含氮热电材料(其中M表示过渡元素; R表示稀土元素; D表示选自以下的元素中的至少一种元素: 第IV或II组; 0和nlE; z和nlE; 0.7,0和nlE; y和nlE; 0.7,0.2和nlE; x和nlE; 1.0,0和nlE; u和nlE; 0.7,0和nlE; v≦̸ 0.05,0.9和nlE; s + t和nlE; 1.7,0.4& 1.2,0≦̸ w≦̸ 0.2和0.9≦̸ m≦̸ 1.1; x + y + z = 1),并且在100℃的温度下具有40μV/ K以上的塞贝克系数的绝对值, 更多。 这些热电材料包含低毒性,耐热性,耐化学性等优异的元件,具有高的热电转换效率。