论文摘要
Perovskite-type oxides La0.7Ce0.3Ni0.7Fe0.3O3（LCNF） were synthesized by polystyrene colloidal crystal templating（LCNF-CCT） and polystyrene polymer templating（LCNF-PS） through co-precipitation. The structure and physicochemical properties of the obtained oxides were investigated by scanning electron microscopy, X-ray diffraction, N2 adsorption-desorption, Fourier transform infrared spectrometry, H2 temperature-programmed reduction and H2 temperature-programmed desorption, as well as X-ray photoelectron spectroscopy. The results show that the as-synthesized LCNF-CCT perovskite possesses large specific surface area and regular pore size distribution. In addition, the formation of additional oxygen vacancies on the surface favors the migration of lattice oxygen from the bulk phase to the surface and production of more metallic sites, thus improving the activity and resistance to carbon deposition of catalysts in ethanol steam reforming reaction.
论文目录
文章来源
类型: 期刊论文
作者: Ping Yang,Ning Li,Junjiang Teng,Jian Wu,Hao Ma
来源: Journal of Rare Earths 2019年06期
年度: 2019
分类: 工程科技Ⅰ辑
专业: 有机化工
单位: College of Chemical Engineering,Guangdong University of Petrochemical Technology,College of Chemical Engineering,Xiangtan University
基金: Project supported by Ordinary University Major Project of Guangdong Province,China,(2017KZDXM057),Ordinary University Characteristic Innovation Project of Guangdong Province,China,(2016KTSCX091)
分类号: TQ426
页码: 594-601
总页数: 8
文件大小: 1427K
下载量: 20