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Author:

何洪 (何洪.) (Scholars:何洪) | 张桂臻 (张桂臻.) | 刘北北 (刘北北.) | 訾学红 (訾学红.)

Indexed by:

incoPat zhihuiya

Abstract:

一种热稳定核壳结构纳米三效催化剂及其制备方法,属于汽车尾气催化剂技术领域。具有核壳结构的贵金属纳米粒子负载到三效催化剂载体上,贵金属纳米粒子外包覆一层SiO2。制备方法:贵金属纳米粒子溶胶置于冰水浴中,过滤除去过量的保护剂, 室温搅1h, 调节pH值为9~10, 加入20vol%TEOS的乙醇溶液, 搅拌三天, 即得M@SiO2纳米粒子溶胶;将载体分别加入到M@SiO2纳米粒子溶胶体系中,室温搅拌1~5h, 所得产物置于100°C烘箱中干燥过夜, 在马弗炉中500°C焙烧4h。本发明催化剂具有较好的三效催化活性和很好的热稳定性,具有良好的应用前景。

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Patent Info :

Type: 发明授权

Patent No.: CN201310109032.0

Filing Date: 2013-03-29

Publication Date: 2015-07-22

Pub. No.: CN103212413B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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