| 成型压力和掺杂对Na1.4Co2O4基材料性能的影响 |
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| 引用本文： | 厉英,马北越,姜茂发,王臻明.成型压力和掺杂对Na1.4Co2O4基材料性能的影响[J].东北大学学报(自然科学版),2011,32(2):262-265. |
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| 作者姓名： | 厉英 马北越 姜茂发 王臻明 |
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| 作者单位： | 厉英,马北越,姜茂发,LI Ying,MA Bei-yue,JIANG Mao-fa(东北大学,材料与冶金学院,辽宁,沈阳,110819);王臻明,WANG Zhen-ming(首秦金属材料有限公司,炼钢部,河北,秦皇岛,066000) |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 采用溶胶-凝胶法制备了Na位掺杂Sr和Li(掺杂量分别为0.1,0.2,0.3和0.4)的Nal.4Co2O4基热电材料,研究了成型压力和掺杂对Nal.4Co2O4基材料电导率、Seebeck系数和功率因子等热电性能的影响.采用XRD分析了NaxCo2O4基热电材料的相组成.研究结果表明:掺杂Sr和Li制备的Nal.4...
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| 关 键 词： | 热电材料 氧化物 热电性能 成型压力 掺杂 |
Effects of Forming Pressure and Doping on the Properties of Na_(1.4)Co_2O_4-Based Materials |
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| LI Ying,MA Bei-yue,JIANG Mao-fa,WANG Zhen-ming.Effects of Forming Pressure and Doping on the Properties of Na_(1.4)Co_2O_4-Based Materials[J].Journal of Northeastern University(Natural Science),2011,32(2):262-265. |
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| Authors: | LI Ying MA Bei-yue JIANG Mao-fa WANG Zhen-ming |
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| Institution: | LI Ying1,MA Bei-yue1,JIANG Mao-fa1,WANG Zhen-ming2(1.School of Materials & Metallurgy,Northeastern University,Shenyang 110819,China,2.Steel-Making Department,Shouqin Metal Materials Co.,Ltd.,Qinhuangdao 066000,China.) |
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| Abstract: | Na1.4Co2O4-based thermoelectric materials were prepared by sol-gel method,where the Na-site doping was done separately with Sr and Li in different amounts of 0.1,0.2,0.3 and 0.4.The effects of forming pressure and doping on the thermoelectric properties of the materials were investigated,such as the electric conductivity,Seebeck coefficient and power factor.The phase composition of the materials was analyzed by XRD.The results showed that the principal crystalline phase of the prepared Sr/Li-doped Na1.4Co2O... |
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| Keywords: | thermoelectric materials oxides thermoelectric properties forming pressure doping |
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