Oxide ion conductor and electrochemical device
US11634339B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 12, 2019 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Feb 14, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.