Manganese oxide as an effective electrode material for energy storage: a review

Efficient materials for energy storage, in particular for supercapacitors and batteries, are urgently needed in the context of the rapid development of battery-bearing products such as vehicles, cell phones and connected objects. Storage devices are mainly based on active electrode materials. Variou...

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Bibliographic Details
Published in:Environmental chemistry letters 2022-02, Vol.20 (1), p.283-309
Main Authors: Parveen, Nazish, Ansari, Sajid Ali, Ansari, Mohd Zahid, Ansari, Mohammad Omaish
Format: Article
Language:English
Subjects:
Analytical Chemistry
Batteries
Capacitance
Cations
Crystal structure
Design
Earth and Environmental Science
Ecotoxicology
Electrode materials
Electrodes
Energy
Energy storage
Environment
Environmental Chemistry
Geochemistry
Heavy metals
Manganese
Manganese oxides
Morphology
Pollution
Product development
Review
Specific capacity
Storage batteries
Structural design
Structural engineering
Transition metal oxides
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Summary:Efficient materials for energy storage, in particular for supercapacitors and batteries, are urgently needed in the context of the rapid development of battery-bearing products such as vehicles, cell phones and connected objects. Storage devices are mainly based on active electrode materials. Various transition metal oxides-based materials have been used as active materials to produce electrodes. For instance, manganese-based oxides (Mn x O y ) have been used extensively as an electrode material due to higher specific capacitance, large potential range, and various crystal structures. Manganese (III) oxide (Mn 2 O 3 ) has not been extensively explored as electrode material despite a high theoretical specific capacity value of 1018 mAh/g and multivalent cations: Mn 3+ and Mn 4+ . Here, we review Mn 2 O 3 strategic design, construction, morphology, and the integration with conductive species for energy storage applications. Improving the performance of Mn 2 O 3 -based electrodes requires the formation of nanostructure and blending with electrically-conductive matrices, and adjusting the morphology of the Mn 2 O 3 . Some issues of structural design for volume change, poor cyclic stability, characterization and understanding of ions transfer and transport within the Mn 2 O 3 -based electrodes are still unanswered.
ISSN:1610-3653
1610-3661
DOI:10.1007/s10311-021-01316-6