Electrochemistry Application — Mixed-metallic MOF based electrode materials for high performance hybrid supercapacitors

11 measurement groups · 87 results

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

Two-electrode HSC CV/GCD/Ragone/cycling

Voltammetry Galvanostatic cycling

CNC-HSC · Electrode

Co/Ni-MOF positive electrode and CNTs-COOH negative electrode in 3 M KOH.

Atmosphere: aqueous 3 M KOH
Context: hybrid supercapacitor device
Measurement source: p007 / 1100 · Results and discussion · Fig. 8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device capacitance at 10 A g-1	98.6	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Discharge time at 10 A g-1	14.3	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Energy density at 10 A g-1	28.7	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Power density at 10 A g-1	7250	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Device capacitance at 1 A g-1Marked as a best value within this paper	211.7	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Discharge time at 1 A g-1	307	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Energy density at 1 A g-1Marked as a best value within this paper	61.8	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Power density at 1 A g-1Marked as a best value within this paper	725	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Device capacitance at 2 A g-1	187	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Discharge time at 2 A g-1	135.7	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Energy density at 2 A g-1	54.7	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Power density at 2 A g-1	1450	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Device capacitance at 5 A g-1	147.8	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Discharge time at 5 A g-1	42.9	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Energy density at 5 A g-1	43	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Power density at 5 A g-1	3625	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Device capacitance at 8 A g-1	108.7	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Discharge time at 8 A g-1	19.7	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Energy density at 8 A g-1	31.7	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Power density at 8 A g-1	5800	—	—	SI Table Exact Reported	p005 · Table S2 · Table S2
Capacity retention after 5000 cyclesMarked as a best value within this paper	86%	—	—	Text Exact Reported	p007 / 1100 · Results and discussion · Fig. 8g
Maximum operation potential window from CV/GCDMarked as a best value within this paper	could reach 1.5 V	—	—	Text Rounded Reported	p006 / 1099 · Results and discussion · Fig. 8a-c
Device potential window in comparison tableMarked as a best value within this paper	1.45	—	—	SI Table Exact Reported	p007 · Table S5 · Table S5

CV/GCD/EIS of CNTs-COOH

Impedance spectroscopy Voltammetry Galvanostatic cycling

CNTs-COOH negative electrode · Electrode

CNTs-COOH charge-discharge from 1 to 10 A g-1; CV 5-80 mV s-1; Nyquist plot.

Atmosphere: aqueous 3 M KOH
Context: negative electrode component
Measurement source: p004 · Supporting information · Fig. S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CNTs-COOH specific capacitance at 10 A g-1	approx. 123	—	—	Figure Axis Approximate	p004 · Supporting information · Fig. S4c
CNTs-COOH specific capacitance at 1 A g-1Marked as a best value within this paper	approx. 196	—	—	Figure Axis Approximate	p004 · Supporting information · Fig. S4c
CNTs-COOH specific capacitance at 2 A g-1	approx. 153	—	—	Figure Axis Approximate	p004 · Supporting information · Fig. S4c
CNTs-COOH specific capacitance at 5 A g-1	approx. 131	—	—	Figure Axis Approximate	p004 · Supporting information · Fig. S4c
CNTs-COOH specific capacitance at 8 A g-1	approx. 125	—	—	Figure Axis Approximate	p004 · Supporting information · Fig. S4c

CV

Voltammetry

Co/Ni-MOF working electrode on Ni foam · Electrode

Three-electrode cell, 3 M KOH, room temperature; scan rates 5-80 mV s-1.

Atmosphere: aqueous 3 M KOH
Context: MOF/carbon/binder electrode on Ni foam
Measurement source: p005 / 1098 · Results and discussion · Fig. 4a,c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Diffusivity order from Randles-Sevcik slopesMarked as a best value within this paper	Co/Ni-MOF > Zn/Ni-MOF > Ni-MOF	—	—	Text Qualitative	p006 / 1099 · Results and discussion · Fig. 5b
Three-electrode potential windowMarked as a best value within this paper	-0.2-0.5 V	—	—	Text Rounded Reported	p005 / 1098 · Results and discussion · Fig. 4a

CV

Voltammetry

Ni-MOF working electrode on Ni foam · Electrode

Three-electrode cell, 3 M KOH, room temperature; scan rate 5 mV s-1 for Fig. 4a; additional scan rates in Fig. S3.

Atmosphere: aqueous 3 M KOH
Context: MOF/carbon/binder electrode on Ni foam
Measurement source: p005 / 1098 · Results and discussion · Fig. 4a; Fig. S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Three-electrode potential window	0-0.4 V	—	—	Text Rounded Reported	p005 / 1098 · Results and discussion · Fig. 4a

CV

Voltammetry

Zn/Ni-MOF working electrode on Ni foam · Electrode

Three-electrode cell, 3 M KOH, room temperature; scan rates in Fig. S3.

Atmosphere: aqueous 3 M KOH
Context: MOF/carbon/binder electrode on Ni foam
Measurement source: p003 · Supporting information · Fig. S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Three-electrode potential window	0-0.5 V	—	—	Text Rounded Reported	p005 / 1098 · Results and discussion · Fig. 4a

GCD cycling

Galvanostatic cycling

Co/Ni-MOF working electrode on Ni foam · Electrode

Three-electrode cycling at 10 A g-1 for 3000 cycles; compared to Zn/Ni-MOF and Ni-MOF.

Atmosphere: aqueous 3 M KOH
Context: MOF electrodes on Ni foam
Measurement source: p005 / 1098 · Results and discussion · Fig. 4f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Electrode cycling stability after 3000 cycles	three electrodes exhibit superior long-term electrochemical stability after 3000 cycles	—	—	Text Qualitative	p006 / 1099 · Results and discussion · Fig. 4f

GCD specific capacity

Galvanostatic cycling

Co/Ni-MOF working electrode on Ni foam · Electrode

Three-electrode GCD in 3 M KOH; capacities calculated from discharge curves.

Atmosphere: aqueous 3 M KOH
Context: MOF/carbon/binder electrode on Ni foam
Measurement source: p005 / 1098 · Results and discussion · Fig. 4b,e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacity at 10 A g-1Marked as a best value within this paper	195.6	—	—	Text Exact Reported	p006 / 1099 · Results and discussion · Fig. 4e
Specific capacity at 1 A g-1Marked as a best value within this paper	236.1	—	—	Text Exact Reported	p005 / 1098 · Results and discussion · Fig. 4b,e
Capacity retention from 1 to 10 A g-1Marked as a best value within this paper	82.8%	—	—	Text Exact Reported	p006 / 1099 · Results and discussion · Fig. 4e

GCD specific capacity

Galvanostatic cycling

Ni-MOF working electrode on Ni foam · Electrode

Three-electrode GCD in 3 M KOH; capacities calculated from discharge curves.

Atmosphere: aqueous 3 M KOH
Context: MOF/carbon/binder electrode on Ni foam
Measurement source: p005 / 1098 · Results and discussion · Fig. 4e; Fig. S3b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacity at 10 A g-1	50.8	—	—	Text Exact Reported	p006 / 1099 · Results and discussion · Fig. 4e
Specific capacity at 1 A g-1	122.0	—	—	Text Exact Reported	p005 / 1098 · Results and discussion · Fig. 4b,e
Capacity retention from 1 to 10 A g-1	37.0%	—	—	Text Exact Reported	p006 / 1099 · Results and discussion · Fig. 4e

GCD specific capacity

Galvanostatic cycling

Zn/Ni-MOF working electrode on Ni foam · Electrode

Three-electrode GCD in 3 M KOH; capacities calculated from discharge curves.

Atmosphere: aqueous 3 M KOH
Context: MOF/carbon/binder electrode on Ni foam
Measurement source: p005 / 1098 · Results and discussion · Fig. 4e; Fig. S3d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacity at 10 A g-1	90.3	—	—	Text Exact Reported	p006 / 1099 · Results and discussion · Fig. 4e
Specific capacity at 1 A g-1	161.5	—	—	Text Exact Reported	p005 / 1098 · Results and discussion · Fig. 4b,e
Capacity retention from 1 to 10 A g-1	56.0%	—	—	Text Exact Reported	p006 / 1099 · Results and discussion · Fig. 4e

Two-electrode HSC CV/GCD/Ragone/cycling

Voltammetry Galvanostatic cycling

NC-HSC · Electrode

Ni-MOF positive electrode and CNTs-COOH negative electrode in 3 M KOH.

Atmosphere: aqueous 3 M KOH
Context: hybrid supercapacitor control device
Measurement source: p007 / 1100 · Results and discussion · Fig. S6; Tables S4,S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device capacitance at 10 A g-1	83.6	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Discharge time at 10 A g-1	11.7	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Energy density at 10 A g-1	22.8	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Power density at 10 A g-1	7000	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Device capacitance at 1 A g-1	182.6	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Discharge time at 1 A g-1	255.6	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Energy density at 1 A g-1	49.7	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Power density at 1 A g-1	700	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Device capacitance at 2 A g-1	138.6	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Discharge time at 2 A g-1	97	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Energy density at 2 A g-1	37.7	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Power density at 2 A g-1	1400	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Device capacitance at 5 A g-1	118.9	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Discharge time at 5 A g-1	33.3	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Energy density at 5 A g-1	32.3	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Power density at 5 A g-1	3500	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Device capacitance at 8 A g-1	103.4	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Discharge time at 8 A g-1	18.1	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Energy density at 8 A g-1	28.1	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Power density at 8 A g-1	5600	—	—	SI Table Exact Reported	p006 · Table S4 · Table S4
Capacity drop during next 2000 cycles	fast drop of over 50%	—	—	Text Approximate	p007 / 1100 · Results and discussion · Fig. 8g
Capacity loss after initial 3000 cycles	9.5% lost	—	—	Text Exact Reported	p007 / 1100 · Results and discussion · Fig. 8g
Device potential window in comparison table	1.4	—	—	SI Table Exact Reported	p006 · Table S5 · Table S5

Two-electrode HSC CV/GCD/Ragone/cycling

Voltammetry Galvanostatic cycling

ZNC-HSC · Electrode

Zn/Ni-MOF positive electrode and CNTs-COOH negative electrode in 3 M KOH.

Atmosphere: aqueous 3 M KOH
Context: hybrid supercapacitor device
Measurement source: p007 / 1100 · Results and discussion · Fig. S5; Tables S3,S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Device capacitance at 10 A g-1	89.7	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Discharge time at 10 A g-1	13	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Energy density at 10 A g-1	26.1	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Power density at 10 A g-1	7250	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Device capacitance at 1 A g-1	183.4	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Discharge time at 1 A g-1	266	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Energy density at 1 A g-1	53.6	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Power density at 1 A g-1	725	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Device capacitance at 2 A g-1	169.7	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Discharge time at 2 A g-1	123	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Energy density at 2 A g-1	49.5	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Power density at 2 A g-1	1450	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Device capacitance at 5 A g-1	123	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Discharge time at 5 A g-1	35.7	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Energy density at 5 A g-1	36	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Power density at 5 A g-1	3625	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Device capacitance at 8 A g-1	101	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Discharge time at 8 A g-1	18.3	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Energy density at 8 A g-1	29.5	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Power density at 8 A g-1	5800	—	—	SI Table Exact Reported	p006 · Table S3 · Table S3
Capacity retention after 5000 cycles	80%	—	—	Text Exact Reported	p007 / 1100 · Results and discussion · Fig. 8g
Device potential window in comparison table	1.45	—	—	SI Table Exact Reported	p006 · Table S5 · Table S5