Figure 1 (IMAGE) Science China Press Caption The illustration of the construction of composite energy trap. (a) CeO2/Al2O3; (b) CeO2/Al2O3@SiO2; (c) CeO2/NiAl2O4/Al2O3; (d) CeO2/NiAl2O4/Al2O3@SiO2. Credit ©Science China Press Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.