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were obtained. MA-SPS sintered Ce1.0Co4Sb12 exhibits the highest ZT in the range of 100~500 ℃ and the maximum ZT is found at x=1.0 and 400 ℃. Key words:thermoelectric material; mechanical alloying...Thermoelectric Properties of CexCo4Sb12 Prepared by MA-SPS 周美玲1,张久兴1,刘科高1,张隆1,路清梅1,刘丹敏1 (1.The Key Laboratory of Advanced Functional Materials, Ministry of Education, Beijing University......
of MxMo6Te8 is slightly higher than that of state-of-the-art thermoelectric material, such as filled skutterudites, the absolute value of Seebeck coefficient is relatively low. Due to the phonon... Thermoelectric properties of MxM6o
. A maximum dimensionless figure of merit, ZT, of about 0.26 is obtained for Mg2Sil-xSnx solid solutions at about 500 K for x=0.6. Key words: Mg2Sil-xSnx; thermoelectric material; solid solution; microwave... is the electrical conductivity, k is the thermal conductivity and T is the temperature in Kelvin. The Mg2Si-based alloy has been regarded as a new potential thermoelectric material in the temperature range......
Fabrication and thermoelectric properties of β-FeSi2 prepared by mechanical alloying QIU Yue(邱 玥), SHEN Hong-lie(沈鸿烈), YIN Yu-gang(尹玉刚), WU Kai-hua(吴开华) College of Material Science... monotonously with the temperature in high temperature region (after 723 K), which indicates β-FeSi2 is a high temperature-used thermoelectric material. However, the difference of the power factor between......
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High-temperature Thermoelectric Properties of Cu-substituted Bi2Ba2Co2-xCuxOy OxidesHaoshan Hao1,2),Huizhi Yang1),Yongtao Liu2) and Xing Hu2) 1) Department of Mathematical and Physical Sciences,Henan Institute of Engineering,Zhengzhou 451191,China 2) Key Laboratory of Material Physics of Ministry of Education,Zhengzhou University,Zhengzhou 450052,China摘 要:
Na1.4Co2O4基热电材料的溶胶-凝胶法制备及表征厉英1,马北越1,王臻明1,姜茂发1(1.辽宁省沈阳市东北大学材料与冶金学院)摘 要:采用溶胶-凝胶法制备了掺杂Sr,Li和Cu的Na1.4Co2O4基热电材料,采用XRD分析了Na1.4Co2O4基热电材料的相组成.通过DTA-TG曲线确定材料的预烧结和终烧结温度分别为450和850℃.研究了掺杂量对Na1.4Co2O4基材料电阻率,Seebeck系数和功率因子等热电性能的影响.结果表明,掺杂Li可降低Na1.4Co2O4的电阻率,掺杂Sr和Cu使材料的电......
Thermoelectric properties of p-type (Bi0.15Sb0.85)2Te3-PbTe graded thermoelectric materials with different barriersGuiying Xu, Yanping Gao, Changchun Ge, and Weiping Shen Laboratory of Special... thermoelectric materials used for low and middle temperature range and functional graded materials (FGM) is an inevitable way to widen the working temperature range. Here two segments graded......
phasechange material,has been found to exhibit decent thermoelectric performance in its stable,hexagonal phase.The challenge for higher figure of merit(zT) values lies in reducing the hole carrier...Anion-site-modulated thermoelectric properties in Ge2Sb2Te5-based compoundsPing Hu1,2,Tian-Ran Wei3,Shao-Ji Huang3,Xu-Gui Xia1,Peng-Fei Qiu1,Jiong Yang1,4,Li-Dong Chen1,2,Xun Shi11. State Key......
(1.School of Materials Science and Engineering, Fuzhou University, Fuzhou 350116, China; 2. Zhicheng College, Fuzhou University, Fuzhou 350002, China) Abstract: The ZnSb-based thermoelectric material is a kind of material with good thermoelectric properties in middle temperature region. In order to further improve its performance, ZnSb thermoelectric thin films were fabricated by magnetron sputtering......
