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

6 measurement groups · 25 results

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

NiFe · Electrode

Compared with standard MnO2, NiFe-LDH, FeOOH, NiOOH and simulated Fe-MOF/Ni-MOF patterns.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XRD phase assignment	mostly Fe-MOF and Ni-MOF peaks; few NiFe-LDH, FeOOH and NiOOH peaks	—	—	Text Qualitative	4 · 3.1 · Fig. 2a
Estimated XRD phase composition: FeOOH	1%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: MnO2	0%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiFe-LDH	69%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiOOH	5%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1

NiFe-Mn1 · Electrode

Mn/urea-modified NiFe-MOF series compared with reference phases.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XRD MnO2 formation	additional MnO2 peaks in NiFe-Mn samples; MnO2 intensity generally increases with higher Mn salt	—	—	Text Qualitative	4 · 3.1 · Fig. 2a
Estimated XRD phase composition: FeOOH	4%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: MnO2	17%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiFe-LDH	28%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiOOH	21%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1

NiFe-Mn2 · Electrode

Mn/urea-modified NiFe-MOF series compared with reference phases.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XRD MnO2 formation	additional MnO2 peaks in NiFe-Mn samples; MnO2 intensity generally increases with higher Mn salt	—	—	Text Qualitative	4 · 3.1 · Fig. 2a
Estimated XRD phase composition: FeOOH	4%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: MnO2	19%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiFe-LDH	24%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiOOH	29%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1

NiFe-Mn3 · Electrode

Mn/urea-modified NiFe-MOF series compared with reference phases.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XRD MnO2 formation	additional MnO2 peaks in NiFe-Mn samples; MnO2 intensity generally increases with higher Mn salt	—	—	Text Qualitative	4 · 3.1 · Fig. 2a
Estimated XRD phase composition: FeOOH	4%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: MnO2	19%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiFe-LDH	21%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiOOH	37%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1

NiFe-Mn4 · Electrode

Mn/urea-modified NiFe-MOF series compared with reference phases.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
XRD MnO2 formation	additional MnO2 peaks in NiFe-Mn samples; MnO2 intensity generally increases with higher Mn salt	—	—	Text Qualitative	4 · 3.1 · Fig. 2a
Estimated XRD phase composition: FeOOH	4%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: MnO2	24%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiFe-LDH	21%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1
Estimated XRD phase composition: NiOOH	31%	—	—	SI Table Approximate	3 · SI Table 1 / main text Table S1 discussion · SI Table 1

NiFe-Mn3 without urea · Electrode

SI comparison of NiFe-Mn3 with and without urea; numeric trace unavailable in provided SI text.

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source