Articles with "porous mno2" as a keyword



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Wearable pseudocapacitor based on porous MnO2 composite

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Published in 2020 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2019.152089

Abstract: Abstract Great efforts have been carried out to fabricate wearable energy store devices to satisfy the booming demands for power consumption. Despite the emerging candidate selections and device designs, it still remains the great challenge… read more here.

Keywords: based porous; porous mno2; pseudocapacitor based; wearable pseudocapacitor ... See more keywords
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Highly porous α-MnO2 nanorods with enhanced defect accessibility for efficient catalytic ozonation of refractory pollutants.

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Published in 2022 at "Journal of hazardous materials"

DOI: 10.2139/ssrn.4043605

Abstract: Herein we reported the first example of preparing α-MnO2 by selective acid etching from Mn-containing spinel. The defects, facet, and surface area of α-MnO2 were cooperatively engineered by an all-in-one acid etching method to enhance… read more here.

Keywords: mno2; defect accessibility; mno2 nanorods; porous mno2 ... See more keywords
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Nucleation/Growth Mechanisms and Morphological Evolution of Porous MnO2 Coating Deposited on Graphite for Supercapacitor

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Published in 2017 at "Materials"

DOI: 10.3390/ma10101205

Abstract: The nucleation and growth mechanisms of porous MnO2 coating deposited on graphite in MnSO4 solution were investigated in detail by cyclic voltammetry, chronoamperometry and scanning electron microscopy. The electrochemical properties of honeycomb-like MnO2 were evaluated… read more here.

Keywords: nucleation growth; growth mechanisms; nucleation; porous mno2 ... See more keywords
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Nucleation and Growth of Porous MnO2 Coatings Prepared on Nickel Foam and Evaluation of Their Electrochemical Performance

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Published in 2018 at "Materials"

DOI: 10.3390/ma11050716

Abstract: Porous MnO2 was uniformly electrodeposited on nickel foam in MnSO4 solution, which was applied as the electrode of supercapacitors. The nucleation/growth mechanisms of porous MnO2 were investigated firstly. Then two kinds of electrochemical measuring technologies,… read more here.

Keywords: electrochemical performance; nucleation growth; nickel foam; porous mno2 ... See more keywords