<strong>p</strong>型方钴矿热电材料纳米<strong>-</strong>介观尺度微结构调控

p型方钴矿热电材料纳米-介观尺度微结构调控

刘志愿, 王永贵, 赵成玉, 杨婷, 夏爱林

Nano-Mesoscopic Scale Microstructure Regulation for p-Type Skutterudite Thermoelectric Materials

LIU Zhiyuan, WANG Yonggui, ZHAO Chengyu, YANG Ting, XIA Ailin

图5 CeFe₃CoSb₁₂ + 5%MoO₂ (摩尔分数)纳米复合样品的SEM像^[44],CeFe₃CoSb₁₂和(CeFe₃CoSb₁₂)_{1 -}_x (MoO₂) _x 复合样品的ZT值^[44],MmFe₄Sb₁₂ + 16%Mm₂O₃ (质量分数)纳米复合材料(Nano-composite 2)断口的SEM像^[74],MmFe₄Sb₁₂ + 16%Mm₂O₃纳米复合热电材料及参考样品的ZT值^[74]

Fig.5 SEM image of CeFe₃CoSb₁₂ + 5%MoO₂(mole fraction) nanocomposite (a)^[44], ZT values of CeFe₃CoSb₁₂ and (CeFe₃CoSb₁₂)_{1 -}_x (MoO₂) _x composite (b)^[44], SEM image of the fracture surface for MmFe₄Sb₁₂ + 16%Mm₂O₃ (mass fraction) nanocomposite (Nano-composite 2) (c)^[74], and ZT values of MmFe₄Sb₁₂ + 16%Mm₂O₃ nanocomposites and reference samples (Reference sample: hot pressed MmFe₄Sb₁₂ sample for 2 h (HP-2 h); Macro-composite: MmFe₄Sb₁₂ + 16%Mm₂O₃ composite (HP-2 h); Nano-composite 1: MmFe₄Sb₁₂ + 16%Mm₂O₃ nanocomposite by ball milling (BM) and HP-2 h; Nano-composite 2: MmFe₄Sb₁₂ + 16%Mm₂O₃ nanocomposite by BM, HP-4 h and annealing for 110 h) (d)^[74]