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US 2022/0033273 A1Published application
Compound and Thermoelectric Conversion Material
AssigneesSumitomo Chemical Company, Limited, Riken
InventorsAtsunori Doi, Satoshi Shimano, Yasujiro Taguchi, Yoshinori Tokura
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Abstract
A compound containing Sn, Te and Mn, and further containing either one or both of Sb and Bi.
Claims6
1:
- A compound comprising Sn, Te and Mn, and further comprising either one or both of Sb and Bi.
2:
- The compound according to claim 1, which comprises SnTe as a main phase, and comprises either one or both of Sb and Bi, and Mn.
3:
- The compound according to claim 1, further comprising at least one element selected from the group consisting of Mg, In, Na, Al, Si, K, Ca, Sr, Ba, Cu, Ag, Au, Sc, Ti, V, Cr, Fe, Co, Ni, Zn, Ga, Ge, As, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Cd, Cs, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Hg, Tl, Pb, S, Se, Cl, Br and I.
4:
- The compound according to claim 3, wherein said element is at least one element selected from the group consisting of Cu, In and Se.
5:
- The compound according to claim 1 which is represented by the following formula (A):
- Sn1+a-b-c1-c2-d-eMnbBic1Sbc2IndMeTe1-fXf (A)
- wherein M represents at least one element selected from the group consisting of Mg, Na, Al, Si, K, Ca, Sr, Ba, Cu, Ag, Au, Sc, Ti, V, Cr, Fe, Co, Ni, Zn, Ga, Ge, As, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Cd, Cs, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Hg, Tl and Pb,
- X represents at least one element selected from the group consisting of S, Se, Cl, Br and I, and
- a, b, c1, c2, d, e and f are numbers satisfying:
- −0.05≤a≤0.10, 0<b≤0.15, 0≤c1≤0.10, 0≤c2≤0.10, 0≤d≤0.03, 0≤e≤0.20, and 0≤f≤0.20, provided that 0<c1+c2.)
3 more elements
6:
- A thermoelectric conversion material comprising the compound according to claim 1.