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

掺杂型烧绿石La₂Sn_1.7Co_0.3O_7-_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/La₂Sn_1.7Co_0.3O_7-_δ Catalyst for Methane Catalytic Combustion^†

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

Table 1 Lattice parameters and average particle size of the La₂Sn_1.7Co_0.3O_7-_δ

Sample	Catalyst	D/nm	Crystal system	Lattice parameter, a/nm	Unit cell volume/nm³	< $\begin{matrix} ε_{222}^{2} \end{matrix}$ >^1/2
a	La₂Sn_1.7Co_0.3O_7-_δ	29.6	Cubic	1.07049	1.2267	0.1183
b	CeO₂/La₂Sn_1.7Co_0.3O_7-_δ	14.1	Cubic	1.06867	1.2205	0.1813
c	CeO₂-La₂Sn_1.7Co_0.3O_7-_δ	29.4	Cubic	1.07037	1.2263	0.1210