Mn-Ce-based catalytic material and preparation method thereof
The invention discloses a Mn-Ce-based catalytic material and a preparation method thereof. The chemical formula of the material is Mn (x) Me1 (1-x)-Ce (y) Me2 (1-y), x is equal to 0.8-0.99, and y is equal to 0.7-0.95; mn is mainly MnO2, Me1 is a high-valence element with the valence state larger tha...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a Mn-Ce-based catalytic material and a preparation method thereof. The chemical formula of the material is Mn (x) Me1 (1-x)-Ce (y) Me2 (1-y), x is equal to 0.8-0.99, and y is equal to 0.7-0.95; mn is mainly MnO2, Me1 is a high-valence element with the valence state larger than or equal to 5 + and is completely doped in Mn, Ce is mainly CeO2, and Me2 is a low-valence element with the valence state smaller than or equal to 3 + and is completely doped in Ce. The Mn-Ce-based catalytic material disclosed by the invention has the characteristics of strong charge transfer capability, good catalytic performance, high selectivity, directional doping of doping elements and controllable quality.
本发明公开了一种Mn-Ce基催化材料及其制备方法。其化学式为:Mn(x)Me1(1-x)-Ce(y)Me2(1-y),其中,x=0.8-0.99,y=0.7-0.95;所述Mn主要为MnO2,所述Me1为价态≥5+的高价元素,且完全掺杂于Mn中,所述Ce主要为CeO2,所述Me2为价态≤3+的低价元素,且完全掺杂与Ce中。本发明的Mn-Ce基催化材料具有电荷传输能力强,催化性能好,选择性高,掺杂元素定向掺杂,品质可控的特点。 |
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