CN

陈克正

Professor

Supervisor of Doctorate Candidates

Supervisor of Master's Candidates

Date of Birth:1965-10-27

Paper Publications

稀土Ce在纳米Ni基合金粒子催化剂中的作用

Release time:2021-03-15 Hits:

Key Words:稀土Ce;;纳米Ni基合金粒子;;催化剂

Abstract:对氢电弧等离子体法制备的纳米NiCe合金粒子中稀土元素Ce的作用进行了分析 ,由EDS及XRD结果可以看出纳米粒子表面壳层富集Ce且与Ni形成CeNi合金相 ,为新的表面活性中心 ;同时由DSC结果发现 ,Ce的加入使nano NiCe粒子的热稳定性比nano Ni粒子提高近 90℃。因此 ,Ce的加入使得纳米NiCe粒子具有高的催化活性和稳定性。

Issue:04

Translation or Not:no

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