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

Yu Ren; Zhen Ma; Peter G. Bruce

doi:10.1039/c1ce05972f

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

Yu Ren, Zhen Ma, Peter G. Bruce

Research output: Contribution to journal › Article › peer-review

Abstract

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.

Original language	English
Pages (from-to)	6955-6959
Number of pages	5
Journal	CrystEngComm
Volume	13
Issue number	23
DOIs	https://doi.org/10.1039/c1ce05972f
Publication status	Published - 2011

Keywords

RECHARGEABLE LITHIUM BATTERIES
HIGH-SURFACE-AREA
CRYSTALLINE WALLS
MOLECULAR-SIEVES
METAL-OXIDES
NANOCASTED SYNTHESIS
POSITIVE ELECTRODE
PORE STRUCTURE
SILICA
CO3O4

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

abstract = "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.",

keywords = "RECHARGEABLE LITHIUM BATTERIES, HIGH-SURFACE-AREA, CRYSTALLINE WALLS, MOLECULAR-SIEVES, METAL-OXIDES, NANOCASTED SYNTHESIS, POSITIVE ELECTRODE, PORE STRUCTURE, SILICA, CO3O4",

author = "Yu Ren and Zhen Ma and Bruce, {Peter G.}",

year = "2011",

doi = "10.1039/c1ce05972f",

language = "English",

volume = "13",

pages = "6955--6959",

journal = "CrystEngComm",

issn = "1466-8033",

publisher = "ROYAL SOC CHEMISTRY",

number = "23",

}

TY - JOUR

T1 - Ordered mesoporous NiMn2Ox with hematite or spinel structure: synthesis and application in electrochemical energy storage and catalytic conversion of N2O

AU - Ren, Yu

AU - Ma, Zhen

AU - Bruce, Peter G.

PY - 2011

Y1 - 2011

N2 - 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.

AB - 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.

KW - RECHARGEABLE LITHIUM BATTERIES

KW - HIGH-SURFACE-AREA

KW - CRYSTALLINE WALLS

KW - MOLECULAR-SIEVES

KW - METAL-OXIDES

KW - NANOCASTED SYNTHESIS

KW - POSITIVE ELECTRODE

KW - PORE STRUCTURE

KW - SILICA

KW - CO3O4

U2 - 10.1039/c1ce05972f

DO - 10.1039/c1ce05972f

M3 - Article

SN - 1466-8033

VL - 13

SP - 6955

EP - 6959

JO - CrystEngComm

JF - CrystEngComm

IS - 23

ER -

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

Abstract

Keywords

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