cMOF Evidence Base
Electrochemistry Application — Rational design of sulfur vacancy-rich NiCo2S4/C nanostructure for high-performance hybrid supercapacitors

Measurement evidence

Electrochemistry Application

Rational design of sulfur vacancy-rich NiCo2S4/C nanostructure for high-performance hybrid supercapacitors · Tian J., Guo H., Wang M. et al. · Journal of Alloys and Compounds · 2024 · 173949

6 measurement groups · 42 results

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

GCD cycling stability

Galvanostatic cycling

NCSC working electrode · Electrode

5000 charge-discharge cycles at 5 A g-1.

Geometry
three-electrode working electrode
Context
target composite versus NCS and NCO controls
Measurement source
11 · 3.2 · Fig. 7e; Table 1
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NCO electrode capacitance retention after 5000 cycles at 5 A g-175.9%——Figure Axis
Exact Reported		10 · 3.2 · Fig. 7e
NCS electrode capacitance retention after 5000 cycles at 5 A g-183.5%——Table
Exact Reported		11 · 3.2 · Table 1
electrode capacitance retention after 5000 cycles at 5 A g-1Marked as a best value within this paper93.2%——Text
Exact Reported		11 · 3.2 · Fig. 7e; Table 1

Two-electrode hybrid supercapacitor CV, GCD, Ragone and cycling tests

VoltammetryGalvanostatic cycling

NCSC//AC HSC device · Electrode

NCSC positive electrode and AC negative electrode; voltage window optimised to 1.6 V; capacitance from total active mass.

Geometry
NCSC//AC hybrid supercapacitor
Context
application device
Measurement source
11-12 · 3.3 · Fig. 8
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NCSC//AC device specific capacitance at 10 A g-156.9 F g-1 at 10 A g-110 A g-1—Text
Exact Reported		11 · Fig. 8f
NCSC//AC device specific capacitance at 1 A g-1Marked as a best value within this paper141.3 F g-1 at 1 A g-11 A g-1—Text
Exact Reported		11 · Fig. 8f
NCSC//AC device specific capacitance at 2 A g-1126.5 F g-1 at 2 A g-12 A g-1—Text
Exact Reported		11 · Fig. 8f
NCSC//AC device specific capacitance at 5 A g-1102.2 F g-1 at 5 A g-15 A g-1—Text
Exact Reported		11 · Fig. 8f
NCSC//AC device specific capacitance at 8 A g-187.6 F g-1 at 8 A g-18 A g-1—Text
Exact Reported		11 · Fig. 8f
device specific capacitances at 1, 2, 5, 8, and 10 A g-1Marked as a best value within this paper141.3, 126.5, 102.2, 87.6, and 56.9 F g-1——Text
Exact Reported		11 · 3.3 · Fig. 8f
device coulombic efficiency after cyclingMarked as a best value within this paper98%——Text
Exact Reported		11 · 3.3 · Fig. 8h
device capacitance retention after 10000 cycles at 5 A g-1Marked as a best value within this paper86.4%——Text
Exact Reported		11 · 3.3 · Fig. 8h
maximum energy densityMarked as a best value within this paper50.24 Wh kg-1 at 800 W kg-1800 W kg-1—Text
Exact Reported		11 · 3.3 · Fig. 8g
stable working voltage windowMarked as a best value within this paper1.6 V——Text
Exact Reported		11 · 3.3 · Fig. 8c-d

Scan-rate-dependent CV kinetic analysis

Voltammetry

NCSC working electrode · Electrode

CV scan rates 5-100 mV s-1; log(i) versus log(v) b-value analysis and capacitive contribution fitting.

Geometry
working electrode on nickel foam in 6 M KOH
Context
target composite electrode
Measurement source
10-11 · 3.2 · Fig. 7c-d; Fig. S6 referenced
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
capacitive contribution at 5, 10, 20, 30, and 50 mV s-123%, 24%, 27%, 32%, and 51%——Text
Exact Reported		11 · 3.2 · Fig. 7d
anodic peak b-value0.64——Text
Exact Reported		11 · 3.2 · Fig. 7c
cathodic peak b-value0.58——Text
Exact Reported		11 · 3.2 · Fig. 7c
NCSC capacitive contribution at 10 mV s-124% at 10 mV s-110 mV s-1—Text
Exact Reported		11 · Fig. 7d
NCSC capacitive contribution at 20 mV s-127% at 20 mV s-120 mV s-1—Text
Exact Reported		11 · Fig. 7d
NCSC capacitive contribution at 30 mV s-132% at 30 mV s-130 mV s-1—Text
Exact Reported		11 · Fig. 7d
NCSC capacitive contribution at 50 mV s-151% at 50 mV s-150 mV s-1—Text
Exact Reported		11 · Fig. 7d
NCSC capacitive contribution at 5 mV s-123% at 5 mV s-15 mV s-1—Text
Exact Reported		11 · Fig. 7d

CV, GCD and EIS in three-electrode cell

Impedance spectroscopyVoltammetryGalvanostatic cycling

NCO working electrode · Electrode

6 M KOH aqueous electrolyte; Hg/HgO reference; Pt counter; potential window 0-0.5 V.

Geometry
working electrode on nickel foam
Context
oxide control electrode
Measurement source
9 · 3.2 · Fig. 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NCO specific capacitance at 10 A g-1648 F g-1 at 10 A g-110 A g-1—Text
Exact Reported		9 · Fig. 6c
specific capacitance at 1 A g-11035 F g-1 (517.5 C g-1)517.5 C g-1—Text
Exact Reported		9 · 3.2 · Fig. 6b-c
NCO specific capacitance at 2 A g-1980 F g-1 at 2 A g-12 A g-1—Text
Exact Reported		9 · Fig. 6c
NCO specific capacitance at 5 A g-1818 F g-1 at 5 A g-15 A g-1—Text
Exact Reported		9 · Fig. 6c
NCO specific capacitance at 8 A g-1702 F g-1 at 8 A g-18 A g-1—Text
Exact Reported		9 · Fig. 6c
specific capacitances at 1, 2, 5, 8, and 10 A g-11035, 980, 818, 702, and 648 F g-1——Text
Exact Reported		9 · 3.2 · Fig. 6c

CV, GCD and EIS in three-electrode cell

Impedance spectroscopyVoltammetryGalvanostatic cycling

NCS working electrode · Electrode

6 M KOH aqueous electrolyte; Hg/HgO reference; Pt counter; potential window 0-0.5 V.

Geometry
working electrode on nickel foam
Context
pure sulfide control electrode
Measurement source
9 · 3.2 · Fig. 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NCS specific capacitance at 10 A g-11200 F g-1 at 10 A g-110 A g-1—Text
Exact Reported		9 · Fig. 6c
specific capacitance at 1 A g-11398 F g-1 (699 C g-1)699 C g-1—Text
Exact Reported		9 · 3.2 · Fig. 6b-c
NCS specific capacitance at 2 A g-11382 F g-1 at 2 A g-12 A g-1—Text
Exact Reported		9 · Fig. 6c
NCS specific capacitance at 5 A g-11323 F g-1 at 5 A g-15 A g-1—Text
Exact Reported		9 · Fig. 6c
NCS specific capacitance at 8 A g-11276 F g-1 at 8 A g-18 A g-1—Text
Exact Reported		9 · Fig. 6c
specific capacitances at 1, 2, 5, 8, and 10 A g-11398, 1382, 1323, 1276, and 1200 F g-1——Text
Exact Reported		9 · 3.2 · Fig. 6c
Table 1 rate capacity at 10 A g-185.8%——Table
Exact Reported		11 · 3.2 · Table 1

CV, GCD and EIS in three-electrode cell

Impedance spectroscopyVoltammetryGalvanostatic cycling

NCSC working electrode · Electrode

6 M KOH aqueous electrolyte; Hg/HgO reference; Pt counter; potential window 0-0.5 V; active-material loading 1 mg cm-2.

Geometry
working electrode on nickel foam
Context
target composite electrode
Measurement source
4 · 2.7 · Fig. 6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
NCSC specific capacitance at 10 A g-1Marked as a best value within this paper1776 F g-1 at 10 A g-110 A g-1—Text
Exact Reported		9 · Fig. 6c
specific capacitance at 1 A g-1Marked as a best value within this paper1934 F g-1 (967 C g-1)967 C g-1—Text
Exact Reported		9 · 3.2 · Fig. 6b-c
NCSC specific capacitance at 2 A g-11910 F g-1 at 2 A g-12 A g-1—Text
Exact Reported		9 · Fig. 6c
NCSC specific capacitance at 5 A g-11850 F g-1 at 5 A g-15 A g-1—Text
Exact Reported		9 · Fig. 6c
NCSC specific capacitance at 8 A g-11803 F g-1 at 8 A g-18 A g-1—Text
Exact Reported		9 · Fig. 6c
specific capacitances at 1, 2, 5, 8, and 10 A g-1Marked as a best value within this paper1934, 1910, 1850, 1803, and 1776 F g-1——Text
Exact Reported		9 · 3.2 · Fig. 6c
rate capacitance retention at 10 A g-1Marked as a best value within this paper~92% of initial value—~Text
Approximate		9 · 3.2 · Fig. 6c; Table 1
Table 1 rate capacity at 10 A g-1Marked as a best value within this paper91.8%——Table
Exact Reported		11 · 3.2 · Table 1