Complex oxide having high seebeck coefficient and high electric conductivity
    1.
    发明授权
    Complex oxide having high seebeck coefficient and high electric conductivity 有权
    具有高Seebeck系数和高导电性的复合氧化物

    公开(公告)号:US06376763B2

    公开(公告)日:2002-04-23

    申请号:US09733799

    申请日:2000-12-08

    IPC分类号: H01L3534

    摘要: This invention provides a complex oxide comprising the features of: (i) being represented by the formula: Ca3-xRExCo4Oy wherein RE is a rare earth element, 0≦x≦0.5 and 8.5≦y≦10, (ii) having a Seebeck coefficient of 100 &mgr;V/K or more at a temperature of 300° C. or higher, and (iii) having an electric conductivity of 103 S/m or more at a temperature of 300° C. or higher. The complex oxide is composed of low-toxicity elements, excellent in heat resistance and chemical durability and high in thermoelectric conversion efficiency.

    摘要翻译: 本发明提供一种复合氧化物,其包括以下特征:(i)由下式表示:Ca 3-x R Ex Co 4 O y其中RE为稀土元素,0≤x≤0.5且8.5≤y≤10,(ii) 在300℃以上的温度下具有100μV/ K以上的塞贝克系数,(iii)在300℃以上的温度下具有103S / m以上的电导率。 复合氧化物由低毒元素组成,耐热性和化学耐久性优异,热电转换效率高。

    Complex oxide having high thermoelectric conversion efficiency
    2.
    发明授权
    Complex oxide having high thermoelectric conversion efficiency 失效
    具有高热电转换效率的复合氧化物

    公开(公告)号:US06727424B2

    公开(公告)日:2004-04-27

    申请号:US10364807

    申请日:2003-02-11

    IPC分类号: H01L3500

    摘要: This invention provides a complex oxide comprising the features of : (i) being represented by the formula:(A0.4B0.1M0.1)x/0.6Co2Oy wherein A and B are elements differing from each other, each represents Ca, Sr or Ba, M represents Bi, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb or Lu, 1.7≦x≦2, and 3.8≦y≦5, (ii) having a Seebeck coefficient of 100 &mgr;V/K or more at a temperature of 100 K (absolute temperature) or higher and (iii) having an electrical resistivity of 10 m&OHgr;cm or less at a temperature of 100 K (absolute temperature) or higher. The complex oxide of the invention is a material composed of low-toxicity elements existing in large amounts, the material having superior heat resistance and chemical durability and a high thermoelectric conversion efficiency in a temperature range of 600 K or higher which falls in the temperature range of waste heat.

    摘要翻译: 本发明提供一种复合氧化物,其包含以下特征:(i)由下式表示:(A0.4B0.1M0.1)x / 0.6Co2Oy其中A和B是彼此不同的元素,各自表示Ca,Sr或 Ba,M表示Bi,Sc,Y,La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Yb或Lu,1.7 <= x <= 2和3.8 < = 5,(ii)在100K(绝对温度)以上的温度下具有100kV / K以上的塞贝克系数和(iii)在100K的温度下具有10mOmegacm以下的电阻率(绝对值) 温度)以上。 本发明的复合氧化物是由大量存在的低毒元素组成的材料,该材料具有优异的耐热性和化学耐久性,并且在600K以上的温度范围内具有较高的热电转换效率,其温度范围 的余热。

    Complex oxide having high thermoelectric conversion efficiency
    4.
    发明授权
    Complex oxide having high thermoelectric conversion efficiency 失效
    具有高热电转换效率的复合氧化物

    公开(公告)号:US06544444B2

    公开(公告)日:2003-04-08

    申请号:US09741607

    申请日:2000-12-19

    IPC分类号: H01B108

    摘要: This invention provides a complex oxide comprising the features of: (i) being represented by the formula: (A0.4B0.1M0.1)x/0.6Co2Oy wherein A and B are elements differing from each other, each represents Ca, Sr or Ba, M represents Bi, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Yb or Lu, 1.7≦x≦2, and 3.8≦y≦5, (ii) having a Seebeck coefficient of 100 &mgr;V/K or more at a temperature of 100 K (absolute temperature) or higher and (iii) having an electrical resistivity of 10 m&OHgr;cm or less at a temperature of 100 K (absolute temperature) or higher. The complex oxide of the invention is a material composed of low-toxicity elements existing in large amounts, the material having superior heat resistance and chemical durability and a high thermoelectric conversion efficiency in a temperature range of 600 K or higher which falls in the temperature range of waste heat.

    摘要翻译: 本发明提供一种复合氧化物,其包含以下特征:(i)由下式表示:(A0.4B0.1M0.1)x / 0.6Co2Oy其中A和B是彼此不同的元素,各自表示Ca,Sr或 Ba,M表示Bi,Sc,Y,La,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Dy,Ho,Er,Yb或Lu,1.7 <= x <= 2,3.8 < = 5,(ii)在100K(绝对温度)以上的温度下具有100kV / K以上的塞贝克系数和(iii)在100K的温度下具有10mOMEGAcm以下的电阻率(绝对值) 温度)以上。 本发明的复合氧化物是由大量存在的低毒元素组成的材料,该材料具有优异的耐热性和化学耐久性,并且在600K以上的温度范围内具有较高的热电转换效率,其温度范围 的余热。