Preparation and Thermal Decomposition Properties of NiMn Layered Double Hydroxides by an Oxidation Precipitation Method

被引：0

作者：

Pan Guoxiang ^{[1
]}

Chen Jian ^{[1
,2
]}

Hu Shuangshuang ^{[1
]}

Lin Kai ^{[1
]}

Gu Jiali ^{[1
]}

Cao Feng ^{[1
]}

机构：

[1] Huzhou Univ, Huzhou 313000, Peoples R China

[2] Zhejiang Univ Technol, Hangzhou 310032, Zhejiang, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2016年 / 45卷

关键词：

NiMn layered double hydroxides; oxidation precipitation method; thermal decomposition; HYDROGENATION; CATALYSTS; BENZOATE;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Three types of Ni-Mn layered double hydroxides with Ni/Mn molar ratio of 2:1, 3:1 and 4:1 were synthesized by an oxidation precipitation method. The structure of synthesized samples were characterized by the powder X-ray diffraction, infrared spectrum and thermo gravimetric-differential thermal analysis methods. The results show that NiMn layered double hydroxides with different Ni/Mn molar ratios can be prepared by the oxidation precipitation method, and the obtained layered double hydroxides have a complete structure and single crystal phase. The hydrotalcite precursor is calcined at below 200 degrees C, which will not change its layered structure. If calcining at 400 degrees C or above, interlayer structure of hydrotalcite will be destroyed and gradually form a spinel phase.

引用

页码：165 / 167

页数：3

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