Ordered mesoporous NiMn2Ox with hematite or spinel structure: synthesis and application in electrochemical energy storage and catalytic conversion of N2O

被引：32
|
作者：
Ren, Yu [1 ]
Ma, Zhen [2 ]
Bruce, Peter G. [1 ]
机构：
[1] Univ St Andrews, EaStCHEM, Sch Chem, St Andrews KY16 9ST, Fife, Scotland
[2] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China
来源：
CRYSTENGCOMM | 2011年 / 13卷 / 23期
基金：
美国国家科学基金会; 英国工程与自然科学研究理事会;
关键词：
RECHARGEABLE LITHIUM BATTERIES; HIGH-SURFACE-AREA; CRYSTALLINE WALLS; MOLECULAR-SIEVES; METAL-OXIDES; NANOCASTED SYNTHESIS; POSITIVE ELECTRODE; PORE STRUCTURE; SILICA; CO3O4;
D O I：
10.1039/c1ce05972f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Multi-component nanocrystalline mesoporous metal oxides have attracted considerable attention recently, but their application in energy storage and catalysis has rarely been reported. Herein, nanocrystalline mesoporous NiMn2Ox materials with ordered mesostructures and high surface areas were prepared and characterized by Powder X-ray Diffraction (PXRD), transmission electron microscopy (TEM), and N-2 adsorption-desorption. The crystal phases and average crystal sizes of mesoporous NiMn2Ox could be tuned by changing the annealing temperature. Mesoporous NiMn2Ox annealed at 600 degrees C has a hematite structure (hexagonal), whereas that annealed at 800 degrees C has a spinel structure (cubic). The application of mesoporous NiMn2Ox in electrochemical energy storage and catalytic decomposition of N2O is also demonstrated.
引用
收藏
页码：6955 / 6959
页数：5
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