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US 2016/0107139 A1Published application
TUNE THE OXYGEN STORAGE PROPERTIES OF Ca2MnAlO5+delta THROUGH CHEMICAL DOPING
AssigneeToyota Motor Engineering & Manufacturing North America, Inc.
InventorsChen Ling, Ruigang Zhang
Life of this patent
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Abstract
An oxygen storage material including a compound of the formula: Ca2MnAlO5+δ wherein 0≦δ≦0.5 wherein the compound includes at least one dopant said dopant selected from alkaline earth ions at the Ca site, trivalent ions at the Al site, and 3d transition metal ions at the Mn site wherein the an oxygen release temperature or an oxygen storage temperature is modified in comparison to an un-doped Ca2MnAlO5+δ material.
Claims21
An oxygen storage material comprising:
- a compound of the formula:
- Ca2MnAlO5+δ wherein 0≦δ≦0.5
- wherein the compound includes at least one dopant said dopant selected from alkaline earth ions at the Ca site, trivalent ions at the Al site, and 3d transition metal ions at the Mn site wherein the an oxygen release temperature or an oxygen storage temperature is modified in comparison to an un-doped Ca2MnAlO5+δ material.
An oxygen storage material comprising:
- a compound of the formula:
- Ca2MnAlO5+δ wherein 0≦δ≦0.5
- wherein the compound includes at least one dopant said dopant selected from alkaline earth ions at the Ca site, trivalent ions at the Al site, and 3d transition metal ions at the Mn site wherein the an oxygen release temperature is increased in comparison to an un-doped Ca2MnAlO5+δ material.
An oxygen storage material comprising:
- a compound of the formula:
- Ca2MnAlO5+δ wherein 0≦δ≦0.5
- wherein the compound includes at least one dopant said dopant selected from alkaline earth ions at the Ca site, trivalent ions at the Al site, and 3d transition metal ions at the Mn site wherein the an oxygen release temperature is decreased in comparison to an un-doped Ca2MnAlO5+δ material.
An oxygen storage material comprising:
- a compound of the formula:
- Ca2MnAlO5+δ wherein 0≦δ≦0.5
- wherein the compound includes two dopants said dopants selected from alkaline earth ions at the Ca site, trivalent ions at the Al site, and 3d transition metal ions at the Mn site wherein the an oxygen release temperature or an oxygen storage temperature is modified in comparison to an un-doped Ca2MnAlO5+δ material.
Dependencies are inferred from the claim text.