2016
DOI: 10.12693/aphyspola.129.125
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Synthesizing of (Bi2O3)1-x-y(Ho2O3)x(Dy2O3)yElectrolytes for Intermediate-Temperature Solid Oxide Fuel Cells

Abstract: In present study, Ho2O3 and Dy2O3 doped Bi2O3 composite materials for intermediate-temperature solid oxide fuel cells (IT-SOFCs) were investigated. (Bi2O3)1−x−y(Ho2O3)x(Dy2O3)y ternary systems (x = 0.11, 0.13, 0.15 and y = 0.01, 0.03, 0.05, 0.07) were fabricated using conventional solid-state synthesis techniques. The samples were characterized by means of X-ray powder diffraction, scanning electron microscopy, energy dispersive X-ray spectroscopy, differential thermal analysis/thermal gravimeter, and the four… Show more

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“…49−52 Stabilization of δ-Bi 2 O 3 to room temperature can be achieved by doping, 53 in mind that incorporation of dopants into the crystal lattice of bismuth(III) influences the physical properties and, for example, reduces the oxygen ion conductivity by several orders of magnitude. 10,54−56 In the last decades, numerous reports have dealt with the stabilization of δ-Bi 2 O 3 using a variety of main-group elements and transition metals (B, 14 P, 57 Ti, 58,59 V, 31−34 Fe, 60 Y, 61,62 Nb, 62,63 Te, 64 Ta, 65 Ce, 66−68 Eu, 69 Tb, 70 Dy, 71,72 Er, 73−75 Tm, 76 Yb, 77,78 Lu, 79 and Th 80 ) and double-doping (Hf/Zr, 81 Te/V, 82 Y/Yb, 83 Er/Nb, 84 Er/Gd, 85 Ho/Gd, 86 Ho/Dy, 87 Dy/W, 88 Sm/Ce, 89 Sm/Yb, 90 La/Mo, 91 Pr/Mo, 92 Dy/Tm, 93 Gd/Lu, 94,95 Yb/Dy, 96,97 Eu, or Tb/Th 98 ).…”
Section: Introductionmentioning
confidence: 99%
“…49−52 Stabilization of δ-Bi 2 O 3 to room temperature can be achieved by doping, 53 in mind that incorporation of dopants into the crystal lattice of bismuth(III) influences the physical properties and, for example, reduces the oxygen ion conductivity by several orders of magnitude. 10,54−56 In the last decades, numerous reports have dealt with the stabilization of δ-Bi 2 O 3 using a variety of main-group elements and transition metals (B, 14 P, 57 Ti, 58,59 V, 31−34 Fe, 60 Y, 61,62 Nb, 62,63 Te, 64 Ta, 65 Ce, 66−68 Eu, 69 Tb, 70 Dy, 71,72 Er, 73−75 Tm, 76 Yb, 77,78 Lu, 79 and Th 80 ) and double-doping (Hf/Zr, 81 Te/V, 82 Y/Yb, 83 Er/Nb, 84 Er/Gd, 85 Ho/Gd, 86 Ho/Dy, 87 Dy/W, 88 Sm/Ce, 89 Sm/Yb, 90 La/Mo, 91 Pr/Mo, 92 Dy/Tm, 93 Gd/Lu, 94,95 Yb/Dy, 96,97 Eu, or Tb/Th 98 ).…”
Section: Introductionmentioning
confidence: 99%