Microscopy Morphology — Manganese oxide and urea-assisted engineering of nickel-iron compounds for high-performance battery-supercapacitor hybrid devices

7 measurement groups · 10 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

NiFe · Electrode

Morphology of NiFe and NiFe-Mn electrodes examined by SEM.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SEM morphology	vertically assembled round sheet-like structure with tiny spaces	—	—	Text Qualitative	3 · 3.1 · Fig. 1a

NiFe-Mn1 · Electrode

Morphology of NiFe and NiFe-Mn electrodes examined by SEM.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SEM particle size	small particles about 200 nm irregularly distributed on sheet surfaces	—	—	Text Rounded Reported	3 · 3.1 · Fig. 1b

NiFe-Mn2 · Electrode

Morphology of NiFe and NiFe-Mn electrodes examined by SEM.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SEM morphology	jagged sheet structure resembling a combination of particles and sheets	—	—	Text Qualitative	3 · 3.1 · Fig. 1c

NiFe-Mn3 · Electrode

Morphology of NiFe and NiFe-Mn electrodes examined by SEM.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SEM morphology	small round sheets attached to jagged sheet-like bases	—	—	Text Qualitative	3 · 3.1 · Fig. 1d,e

NiFe-Mn3 without urea · Electrode

No-urea control SEM referenced in SI; image not available in provided text layer.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
No-urea control morphology	pure sheet-like structure observed; no small round sheets on base	—	—	Text Qualitative	4 · 3.1 · Figure S1a

NiFe-Mn4 · Electrode

Morphology of NiFe and NiFe-Mn electrodes examined by SEM.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
SEM morphology	thicker and more complete sheet bases connecting small round and large sheets	—	—	Text Qualitative	3 · 3.1 · Fig. 1f

NiFe-Mn3 · Electrode

Low-magnification TEM, HRTEM d-spacings, FFT pattern and elemental maps for optimised NiFe-Mn3.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HRTEM d-spacing MnO2Marked as a best value within this paper	0.24 nm assigned to MnO2 (100)	—	—	Text Rounded Reported	6 · 3.1 · Fig. 3c
HRTEM d-spacing NiFe-LDH	0.16 nm assigned to NiFe-LDH (110)	—	—	Text Rounded Reported	6 · 3.1 · Fig. 3c
HRTEM d-spacing NiOOH	0.21 nm assigned to NiOOH (102)	—	—	Text Rounded Reported	6 · 3.1 · Fig. 3c
Elemental mapping	uniform spatial distribution of Ni, Fe, Mn and O	—	—	Text Qualitative	6 · 3.1 · Fig. 3d