Patent ID: 11865520
Assignee: SHANDONG SINOCERA FUNCTIONAL MATERIAL CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B  F  Y | IPC B

Claim 0:
1. A cerium-zirconium solid solution, comprising a cerium-zirconium solid solution phase, wherein the cerium-zirconium solid solution phase comprises trivalent cerium ions and tetravalent cerium ions, a molar ratio of the trivalent cerium ions to the tetravalent cerium ions being 0.05-0.8:1;
wherein the cerium-zirconium solid solution comprises a cerium oxide, ZrO2, and a first rare earth element oxide in a weight ratio of 20-50:20-80:2-20;
wherein the first rare earth element is selected from at least one of rare earth elements other than cerium, transition metal elements, and alkaline earth metal elements;
wherein the cerium-zirconium solid solution further comprises a second rare earth element oxide.