公开(公告)号：US11634339B2

公开(公告)日：2023-04-25

申请号：US16954872

申请日：2019-02-12

申请人： KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO

发明人： Seiji Kajita ,  Nobuko Ohba ,  Akitoshi Suzumura ,  Shin Tajima ,  Ryoji Asahi

IPC分类号： C01F11/00 ,  C01F11/02 ,  G01N27/416 ,  H01M8/1246

摘要： An oxide ion conductor has a X3Z2(TO4)3 structure, where X is a divalent metal element, Z is a trivalent metal element, and T is a tetravalent metal element, and has a composition expressed by (X1-xAx)3(Z1-yBy)2(T1-zCz)3O12+δ where the element X is Ca, Fe, Gd, Ba, Sr, Mn, and/or Mg, the element Z is Al, Cr, Fe, Mn, V, Ga, Co, Ni, Ru, Rh, and/or Ir, the element T is Si and/or Ge, an element A is La, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and/or Sr, an element B is Zn, Mn, Co, Ru, and/or Rh, and an element C is Si, Al, Ga, and/or Sn, 0≤x≤0.2, 0≤y≤0.2, and 0≤z≤0.2 are satisfied, and δ is a value securing electrical neutrality.