Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
OXIDE ION CONDUCTOR AND ELECTROCHEMICAL DEVICE
To provide a new oxide ion conductor and an electrochemical device using the same.SOLUTION: An oxide ion conductor comprises X3Z2(TO4)3 garnet structure, and has a composition represented by composition formula: (X1-xAx)3(Z1-yBy)2(T1-zCz)3O12+δ. In the composition formula, element X (+ bivalent) is Mg, Ca, Sr, Ba and/or Cd; element Z (+ trivalent) is Sc, Y, Al, Ga and/or In; element T (+ tetravalent) is Si, Ge and/or Sn; element A (+trivalent) is a metal element having an ionic radius difference between the element A and the element X at 8 coordinates of 15% or less; element B (+tetravalent) is a metal element having an ionic radius difference between the element B and the element Z at 6 coordinates of 15% or less; element C (+pentavalent) is a metal element having an ionic radius difference between the element C and the element T at 4 coordinates of 15% or less; expressions of 0≤x≤0.2, 0≤y≤0.2 and 0≤z≤0.2, and δ are values for maintaining electroneutrality. An electrochemical device uses the oxide ion conductor.SELECTED DRAWING: Figure 1
【課題】新規な酸化物イオン伝導体及びこれを用いた電気化学デバイスを提供すること。【解決手段】酸化物イオン伝導体は、X3Z2(TO4)3ガーネット構造を備え、組成式:(X1-xAx)3(Z1-yBy)2(T1-zCz)3O12+δで表される組成を有する。但し、元素X(+2価)は、Mg、Ca、Sr、Ba、及び/又はCd、元素Z(+3価)は、Sc、Y、Al、Ga及び/又はIn、元素T(+4価)は、Si、Ge及び/又はSn、元素A(+3価)は、8配位での元素Xとのイオン半径差が15%以下である金属元素、元素B(+4価)は、6配位での元素Zとのイオン半径差が15%以内である金属元素、元素C(+5価)は、4配位での元素Tとのイオン半径差が15%以内である金属元素、0≦x≦0.2、0≦y≦0.2、0≦z≦0.2、δは電気的中性が保たれる値。電気化学デバイスは、このような酸化物イオン伝導体を用いたものからなる。【選択図】図1
OXIDE ION CONDUCTOR AND ELECTROCHEMICAL DEVICE
To provide a new oxide ion conductor and an electrochemical device using the same.SOLUTION: An oxide ion conductor comprises X3Z2(TO4)3 garnet structure, and has a composition represented by composition formula: (X1-xAx)3(Z1-yBy)2(T1-zCz)3O12+δ. In the composition formula, element X (+ bivalent) is Mg, Ca, Sr, Ba and/or Cd; element Z (+ trivalent) is Sc, Y, Al, Ga and/or In; element T (+ tetravalent) is Si, Ge and/or Sn; element A (+trivalent) is a metal element having an ionic radius difference between the element A and the element X at 8 coordinates of 15% or less; element B (+tetravalent) is a metal element having an ionic radius difference between the element B and the element Z at 6 coordinates of 15% or less; element C (+pentavalent) is a metal element having an ionic radius difference between the element C and the element T at 4 coordinates of 15% or less; expressions of 0≤x≤0.2, 0≤y≤0.2 and 0≤z≤0.2, and δ are values for maintaining electroneutrality. An electrochemical device uses the oxide ion conductor.SELECTED DRAWING: Figure 1
【課題】新規な酸化物イオン伝導体及びこれを用いた電気化学デバイスを提供すること。【解決手段】酸化物イオン伝導体は、X3Z2(TO4)3ガーネット構造を備え、組成式:(X1-xAx)3(Z1-yBy)2(T1-zCz)3O12+δで表される組成を有する。但し、元素X(+2価)は、Mg、Ca、Sr、Ba、及び/又はCd、元素Z(+3価)は、Sc、Y、Al、Ga及び/又はIn、元素T(+4価)は、Si、Ge及び/又はSn、元素A(+3価)は、8配位での元素Xとのイオン半径差が15%以下である金属元素、元素B(+4価)は、6配位での元素Zとのイオン半径差が15%以内である金属元素、元素C(+5価)は、4配位での元素Tとのイオン半径差が15%以内である金属元素、0≦x≦0.2、0≦y≦0.2、0≦z≦0.2、δは電気的中性が保たれる値。電気化学デバイスは、このような酸化物イオン伝導体を用いたものからなる。【選択図】図1
OXIDE ION CONDUCTOR AND ELECTROCHEMICAL DEVICE
酸化物イオン伝導体及び電気化学デバイス
ASAHI RYOJI (Autor:in) / LEE JOOHEE (Autor:in) / TAJIMA SHIN (Autor:in)
12.11.2020
Patent
Elektronische Ressource
Japanisch