Electrochemistry Application — Nickel(II) Cluster-Based Pillar-Layered Metal-Organic Frameworks for High-Performance Supercapacitors

5 measurement groups · 60 results

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

two-electrode ASC CV, GCD, EIS, Ragone plot and cycling

Impedance spectroscopy Voltammetry Galvanostatic cycling

Ni-mba-K//NDC asymmetric supercapacitor · Electrode

CR2035 Ni-mba-K//NDC device, cellulose cloth diaphragm, 6 M KOH; operating voltage 0-1.6 V.

Atmosphere: 6 M KOH electrolyte
Geometry: two-electrode asymmetric supercapacitor
Context: device using MOF positive electrode and NDC negative electrode
Measurement source: main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ASC specific capacitance at 0.5 A g-1Marked as a best value within this paper	107.8 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 10 A g-1	73.8 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 15 A g-1	66.6 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 1 A g-1	99.7 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 20 A g-1	61.3 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 2 A g-1	92.9 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 3 A g-1	88.5 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 5 A g-1	82.2 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC specific capacitance at 8 A g-1	77.0 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7d
ASC capacitance retention after 5000 GCD cycles at 2 A g-1Marked as a best value within this paper	76.1%	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7g
ASC specific energy at 16,000 W kg-1	21.8 Wh kg-1	16000 W kg-1	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7f
ASC specific energy at 400 W kg-1Marked as a best value within this paper	38.3 Wh kg-1	400 W kg-1	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7f
ASC charge-transfer resistance RctMarked as a best value within this paper	9.9 ohm	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7e
ASC equivalent series resistance RsMarked as a best value within this paper	1.1 ohm	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 7e

two-electrode ASC CV, GCD, EIS, Ragone plot and cycling

Impedance spectroscopy Voltammetry Galvanostatic cycling

Ni-mba-Na//NDC asymmetric supercapacitor · Electrode

CR2035 Ni-mba-Na//NDC device, cellulose cloth diaphragm, 6 M KOH; operating voltage 0-1.6 V.

Atmosphere: 6 M KOH electrolyte
Geometry: two-electrode asymmetric supercapacitor
Context: device using MOF positive electrode and NDC negative electrode
Measurement source: main p.7 (journal p.17284) · 3.2. Supercapacitor Performance · Figure 6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ASC specific capacitance at 0.5 A g-1	79.2 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 10 A g-1	55.6 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 15 A g-1	50.6 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 1 A g-1	74.4 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 20 A g-1	47.5 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 2 A g-1	69.1 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 3 A g-1	66.2 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 5 A g-1	62.5 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC specific capacitance at 8 A g-1	58.0 F g-1	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6d
ASC capacitance retention after 5000 GCD cycles at 2 A g-1	71.5%	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6g
ASC specific energy at 16,000 W kg-1	16.9 Wh kg-1	16000 W kg-1	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6f
ASC specific energy at 400 W kg-1	28.2 Wh kg-1	400 W kg-1	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6f
ASC charge-transfer resistance Rct	19.9 ohm	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6e
ASC equivalent series resistance Rs	5.3 ohm	—	—	Text Exact Reported	main p.8 (journal p.17285) · 3.2. Supercapacitor Performance · Figure 6e
maximum reported ASC specific powerMarked as a best value within this paper	16,000 W kg-1	—	—	Text Exact Reported	main p.1 (journal p.17278) · Abstract
ASC operating voltage window	0-1.6 V	—	—	Text Exact Reported	main p.7 (journal p.17284) · 3.2. Supercapacitor Performance · Figures 6b, 7b

three-electrode CV, GCD, EIS and cycling

Impedance spectroscopy Voltammetry Galvanostatic cycling

Ni-mba-K nickel-foam working electrode · Electrode

6 M KOH, CHI760E, Ni-mba-K/Ni foam working electrode, Pt counter, Hg/HgO reference; voltage 0-0.6 V for CV and 0-0.5 V for GCD.

Atmosphere: 6 M KOH electrolyte
Geometry: three-electrode, 1 x 1 cm2 nickel foam
Context: MOF active material in electrode composite
Measurement source: main p.5-6 (journal p.17282-17283) · 3.2. Supercapacitor Performance · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
b value from log(i)-log(v)	0.63	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4b
specific capacitance at 10 A g-1	about 490 F g-1	—	—	Figure Axis Approximate	main p.5 (journal p.17282) · Figure 4 · Figure 4d
specific capacitance at 15 A g-1	about 470 F g-1	—	—	Figure Axis Approximate	main p.5 (journal p.17282) · Figure 4 · Figure 4d
specific capacitance at 1 A g-1Marked as a best value within this paper	665.4 F g-1	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4d; Table 1
specific capacitance at 20 A g-1	456 F g-1	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4d
specific capacitance at 2 A g-1	about 590 F g-1	—	—	Figure Axis Approximate	main p.5 (journal p.17282) · Figure 4 · Figure 4d
specific capacitance at 3 A g-1	about 540 F g-1	—	—	Figure Axis Approximate	main p.5 (journal p.17282) · Figure 4 · Figure 4d
specific capacitance at 5 A g-1	about 510 F g-1	—	—	Figure Axis Approximate	main p.5 (journal p.17282) · Figure 4 · Figure 4d
specific capacitance at 8 A g-1	about 500 F g-1	—	—	Figure Axis Approximate	main p.5 (journal p.17282) · Figure 4 · Figure 4d
capacitance retention after 4000 GCD cycles at 5 A g-1Marked as a best value within this paper	92.5%	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4f
capacitance retention from 1 to 20 A g-1	68.5%	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4d
charge-transfer resistance RctMarked as a best value within this paper	4.7 ohm	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4e
equivalent series resistance Rs	0.65 ohm	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4e
electron-transfer time tauMarked as a best value within this paper	12.12 s	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 4e
theoretical specific capacitance	375 F g-1	—	—	Text Exact Reported	main p.7 (journal p.17284) · 3.2. Supercapacitor Performance · eq S2

three-electrode CV, GCD, EIS and cycling

Impedance spectroscopy Voltammetry Galvanostatic cycling

Ni-mba-Na nickel-foam working electrode · Electrode

6 M KOH, CHI760E, Ni-mba-Na/Ni foam working electrode, Pt counter, Hg/HgO reference; voltage 0-0.6 V for CV and 0-0.5 V for GCD.

Atmosphere: 6 M KOH electrolyte
Geometry: three-electrode, 1 x 1 cm2 nickel foam
Context: MOF active material in electrode composite
Measurement source: main p.5-6 (journal p.17282-17283) · 3.2. Supercapacitor Performance · Figure 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
b value from log(i)-log(v)	0.70	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3b
specific capacitance at 10 A g-1	about 390 F g-1	—	—	Figure Axis Approximate	main p.4 (journal p.17281) · Figure 3 · Figure 3d
specific capacitance at 1 A g-1	539.0 F g-1	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3d; Table 1
specific capacitance at 20 A g-1	340 F g-1	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3d
specific capacitance at 2 A g-1	about 500 F g-1	—	—	Figure Axis Approximate	main p.4 (journal p.17281) · Figure 3 · Figure 3d
specific capacitance at 3 A g-1	about 470 F g-1	—	—	Figure Axis Approximate	main p.4 (journal p.17281) · Figure 3 · Figure 3d
specific capacitance at 5 A g-1	about 430 F g-1	—	—	Figure Axis Approximate	main p.4 (journal p.17281) · Figure 3 · Figure 3d
specific capacitance at 8 A g-1	about 400 F g-1	—	—	Figure Axis Approximate	main p.4 (journal p.17281) · Figure 3 · Figure 3d
capacitance retention after 4000 GCD cycles at 5 A g-1	72.7%	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3f
capacitance retention from 1 to 20 A g-1	63%	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3d
charge-transfer resistance Rct	8.32 ohm	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3e
equivalent series resistance Rs	0.38 ohm	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3e
electron-transfer time tau	31.6 s	—	—	Text Exact Reported	main p.6 (journal p.17283) · 3.2. Supercapacitor Performance · Figure 3e
theoretical specific capacitance	379 F g-1	—	—	Text Exact Reported	main p.7 (journal p.17284) · 3.2. Supercapacitor Performance · eq S1

three-electrode CV, GCD, EIS and cycling

Impedance spectroscopy Voltammetry Galvanostatic cycling

NDC negative electrode · Electrode

NDC characterised as negative electrode material; details in Figure S7 and main text.

Atmosphere: 6 M KOH electrolyte
Geometry: three-electrode
Context: derived-carbon electrode composite
Measurement source: SI p.S4 · Figure S7 · Figure S7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
NDC specific capacitance at 1 A g-1	290 F g-1	—	—	Text Exact Reported	main p.7 (journal p.17284) · 3.2. Supercapacitor Performance · Figure S7