Electrical Transport — Sulfur vacancies enriched Nickel-Cobalt sulfides hollow spheres with high performance for All-Solid-State hybrid supercapacitor

Measurement evidence

Electrical Transport

Sulfur vacancies enriched Nickel-Cobalt sulfides hollow spheres with high performance for All-Solid-State hybrid supercapacitor · Jia S., Wei J., Gong B. et al. · Journal of Colloid and Interface Science · 2021 · 640-649

2 measurement groups · 5 results

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

Electrochemical impedance spectroscopy / Nyquist analysis

Impedance spectroscopy

r-NiCo2S4-6 HSs working electrode · Electrode

Three-electrode EIS in 3 M KOH over 0.01 to 10^5 Hz; Rs and Rct fitted from Nyquist plots.

Geometry: Nickel foam working electrode
Context: Target electrode compared with unreduced control.
Measurement source: main p.6 · 3. Results and discussion · Fig. 5f; Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Charge transfer resistance Rct of NiCo2S4-6 HSs electrode	2.33 Ohm	—	—	Text Exact Reported	main p.6 · 3. Results and discussion · Fig. 5f; Table S2
Charge transfer resistance Rct of r-NiCo2S4-6 HSs electrodeMarked as a best value within this paper	1.06 Ohm	—	—	Text Exact Reported	main p.6 · 3. Results and discussion · Fig. 5f; Table S2
Internal resistance Rs of NiCo2S4-6 HSs electrode	0.58 Ohm	—	—	Text Exact Reported	main p.6 · 3. Results and discussion · Fig. 5f; Table S2
Internal resistance Rs of r-NiCo2S4-6 HSs electrodeMarked as a best value within this paper	0.42 Ohm	—	—	Text Exact Reported	main p.6 · 3. Results and discussion · Fig. 5f; Table S2

I-V curve slope comparison

Electrical conductivity

r-NiCo2S4-6 HSs · Powder

Intrinsic electrical conductivity inferred from slopes of I-V curves in Fig. S11.

Geometry: not reported
Context: Target sample compared with unreduced NiCo2S4-6 HSs.
Measurement source: main p.6 · 3. Results and discussion · Fig. S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Relative electronic conductivity from I-V slopesMarked as a best value within this paper	r-NiCo2S4-6 HSs outperforms NiCo2S4-6 HSs	—	—	Qualitative Qualitative	main p.6 · 3. Results and discussion · Fig. S11