Enhanced Sulfur Resistance of Pt-Pd/CeO 2-ZrO 2-Al 2O 3 Commercial Diesel Oxidation Catalyst by SiO 2 Surface Cladding
YANG Zheng-Zheng, YANG Yi, ZHAO Ming, GONG Mao-Chu, CHEN Yao-Qiang
Acta Phys. -Chim. Sin. . 2014, (6): 1187 -1193 .  DOI: 10.3866/PKU.WHXB201404281