掺杂型烧绿石La2Sn1.7Co0.3O7-δ逆负载CeO2催化剂的甲烷催化燃烧性能

李伶聪, 胡瑞生, 白雅琴, 李景佳, 唐海莲, 王军虎, 季生福

Inverse CeO2/La2Sn1.7Co0.3O7-δ Catalyst for Methane Catalytic Combustion†

LI Lingcong,HU Ruisheng,BAI Yaqin,LI Jingjia,TANG Hailian,WANG Junhu,JI Shengfu

Table 3 Mössbauer parameters of the Sn

Sample Subspectrum Spectral area(%) IS QS Oxidation state of Sn a Doublet 1 27.4 0.29 4.44 Sn4+ Doublet 2 72.6 0.24 1.52 Sn4+ b Doublet 1 17.1 0.37 4.72 Sn4+ Doublet 2 82.9 0.26 1.55 Sn4+