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CuCe1-xMnxOy复合氧化物催化氧化碳烟颗粒性能的研究
Authors
刘运权
叶跃元
+6 more
夏永康
崔冰
李水荣
王夺
闫帅
陈秉辉
Publication date
20 December 2019
Publisher
'Kansas Academy of Science'
Doi
Cite
Abstract
利用反向共沉淀法合成CuCe1-xMnxOy复合氧化物催化剂,X射线衍射分析(XRD)和拉曼(Raman)表征结果表明,反向共沉淀法可以将Cu、Mn离子在CeO2晶格中有效掺杂并形成晶体粒径较小的固溶体。程序升温还原(H2-TPR)与X射线光电子能谱(XPS)表征结果表明,Cu、Mn、Ce之间存在强相互作用,有效提升了氧化物的氧化还原性能。所合成的CuCe1-xMnxOy复合氧化物系列催化剂在碳烟颗粒催化氧化中均表现出良好的反应活性,其中CuCe0.8Mn0.2催化剂表现出最佳活性,T50仅为354℃,并且在循环测试中也基本保持稳定。福建省自然科学基金(2015J05033)厦门大学校长基金(20720170043
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Last time updated on 20/11/2020