Electrochemistry Application — In situ construction of a dual-metal 2D conjugated metal-organic framework on carbon paper for asymmetric supercapacitors

6 measurement groups · 60 results

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

asymmetric supercapacitor CV, GCD, EIS, Ragone, and cycling

Impedance spectroscopy Voltammetry Galvanostatic cycling

Co/Ni-HHTP@CP||AC asymmetric supercapacitor · Electrode

Co/Ni-HHTP@CP positive electrode, activated carbon negative electrode, 1 M KOH electrolyte; device potential window 0-1.6 V.

Temperature: 298
Atmosphere: ambient
Geometry: two-electrode asymmetric supercapacitor
Context: device application
Measurement source: 5 · 3. Results and discussion · Figure 4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ASC Coulombic efficiency after 5000 cyclesMarked as a best value within this paper	95.96%	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4f
ASC cycling test length	5000 cycles at 5 A g-1	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4f
ASC low interfacial resistanceMarked as a best value within this paper	R = 6.637 ohm	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4c
ASC energy density at 8000 W kg-1	34.89 Wh kg-1 at 8000 W kg-1	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4e
ASC energy density at 400 W kg-1Marked as a best value within this paper	52.11 Wh kg-1 at 400 W kg-1	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4e
ASC high power densityMarked as a best value within this paper	8000 W kg-1	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4e
ASC power density paired with best energy density	400 W kg-1	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4e
ASC capacitance retention after 5000 cyclesMarked as a best value within this paper	93.02%	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4f
ASC maximum specific capacitanceMarked as a best value within this paper	146.563 F g-1 at 0.5 A g-1	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4d
ASC device voltage window	0-1.6 V	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 4a

cyclic voltammetry integrated area comparison

Voltammetry

Co/Ni-HHTP@CP electrode · Electrode

CV curves at scan rates 10-100 mV s-1 in 1 M KOH; integrated areas compared among bimetallic c-MOF@CP electrodes.

Temperature: 298
Atmosphere: ambient
Geometry: three-electrode c-MOF@CP working electrode
Context: composite electrode comparison
Measurement source: 5 · 3. Results and discussion · Figure 3a; Figure S6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CV integrated area for Co/Cu-HHTP@CP	0.00963C	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure S6
CV integrated area for Co/Ni-HHTP@CPMarked as a best value within this paper	0.02211C	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 3a
CV integrated area for Cu/Ni-HHTP@CP	0.01395C	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure S6

galvanostatic charge-discharge specific capacitance

Galvanostatic cycling

Co/Ni-HHTP@CP electrode · Electrode

Specific capacitance calculated from GCD discharge profiles of c-MOF@CP electrodes in three-electrode configuration.

Temperature: 298
Atmosphere: ambient
Geometry: binder-free c-MOF@CP working electrode
Context: composite electrode performance
Measurement source: 5 · 3. Results and discussion · Figure 3b,f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacitance of Co/Ni-HHTP@CP electrodeMarked as a best value within this paper	544 F g-1 at 1.0 A g-1	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 3f

log(i) versus log(v) fitting and capacitive/diffusion separation

Co/Ni-HHTP@CP electrode · Electrode

Peak-current scaling and k1v/k2v^1/2 analysis from CV data for Co/Ni-HHTP@CP and comparison electrodes.

Temperature: 298
Atmosphere: ambient
Geometry: three-electrode c-MOF@CP working electrode
Context: composite electrode charge-storage mechanism
Measurement source: 5 · 3. Results and discussion · Figure 3d,e; Figure S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Anodic b-value for Co/Cu-HHTP@CP	0.64	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Anodic b-value for Co/Ni-HHTP@CP	0.554	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 3d
Anodic b-value for Cu/Ni-HHTP@CP	0.719	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Cathodic b-value for Co/Cu-HHTP@CP	0.76	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Cathodic b-value for Co/Ni-HHTP@CP	0.585	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 3d
Cathodic b-value for Cu/Ni-HHTP@CP	0.722	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Co/Cu-HHTP@CP at 100 mV s-1	65%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Co/Cu-HHTP@CP at 10 mV s-1	36%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Co/Cu-HHTP@CP at 15 mV s-1	40%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Co/Cu-HHTP@CP at 30 mV s-1	45%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Co/Cu-HHTP@CP at 50 mV s-1	51%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Co/Cu-HHTP@CP at 75 mV s-1	59%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Cu/Ni-HHTP@CP at 100 mV s-1	58%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Cu/Ni-HHTP@CP at 10 mV s-1	31%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Cu/Ni-HHTP@CP at 15 mV s-1	33%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Cu/Ni-HHTP@CP at 30 mV s-1	39%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Cu/Ni-HHTP@CP at 50 mV s-1	47%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Capacitive contribution for Cu/Ni-HHTP@CP at 75 mV s-1	53%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Co/Cu-HHTP@CP at 100 mV s-1	35%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Co/Cu-HHTP@CP at 10 mV s-1	64%	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure S8
Diffusion contribution for Co/Cu-HHTP@CP at 15 mV s-1	60%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Co/Cu-HHTP@CP at 30 mV s-1	55%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Co/Cu-HHTP@CP at 50 mV s-1	49%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Co/Cu-HHTP@CP at 75 mV s-1	41%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Co/Ni-HHTP@CP at 10 mV s-1Marked as a best value within this paper	94%	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure 3e
Diffusion contribution for Cu/Ni-HHTP@CP at 100 mV s-1	42%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Cu/Ni-HHTP@CP at 10 mV s-1	69%	—	—	Text Exact Reported	5 · 3. Results and discussion · Figure S8
Diffusion contribution for Cu/Ni-HHTP@CP at 15 mV s-1	67%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Cu/Ni-HHTP@CP at 30 mV s-1	61%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Cu/Ni-HHTP@CP at 50 mV s-1	53%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8
Diffusion contribution for Cu/Ni-HHTP@CP at 75 mV s-1	47%	—	—	Figure Axis Rounded Reported	8 · Supplementary Information · Figure S8

Ragone energy-power density table

Co/Ni-HHTP@CP||AC asymmetric supercapacitor · Electrode

Table S1 reports paired energy density and power density values for the Co/Ni-HHTP@CP||AC asymmetric supercapacitor; load is 1 +/- 0.1 mg.

Temperature: 298
Atmosphere: ambient
Geometry: two-electrode asymmetric supercapacitor
Context: device application
Measurement source: 8 · Supplementary Information · Table S1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Table S1 ASC energy density at 1600 W kg-1	44.44 Wh kg-1 at 1600 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC energy density at 3200 W kg-1	39.2 Wh kg-1 at 3200 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC energy density at 400 W kg-1Marked as a best value within this paper	52.11 Wh kg-1 at 400 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC energy density at 4800 W kg-1	36.67 Wh kg-1 at 4800 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC energy density at 6400 W kg-1	35.56 Wh kg-1 at 6400 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC energy density at 8000 W kg-1	34.89 Wh kg-1 at 8000 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC energy density at 800 W kg-1	49.33 Wh kg-1 at 800 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC power density paired with 44.44 Wh kg-1	1600 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC power density paired with 39.2 Wh kg-1	3200 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC power density paired with 52.11 Wh kg-1	400 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC power density paired with 36.67 Wh kg-1	4800 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC power density paired with 35.56 Wh kg-1	6400 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC power density paired with 34.89 Wh kg-1Marked as a best value within this paper	8000 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1
Table S1 ASC power density paired with 49.33 Wh kg-1	800 W kg-1	—	—	SI Table Exact Reported	8 · Supplementary Information · Table S1

three-electrode CV, GCD, and EIS protocol

Impedance spectroscopy Voltammetry Galvanostatic cycling

Co/Ni-HHTP@CP electrode · Electrode

c-MOFs@CP used directly as working electrode with Pt counter, Ag/AgCl reference, and 1 M KOH electrolyte under ambient conditions.

Temperature: 298
Atmosphere: ambient; 101.3 kPa
Geometry: binder-free c-MOF@CP working electrode
Context: composite electrode testing
Measurement source: 2 · 2.3. Electrochemical measurements

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
c-MOF@CP active material loading	1.0 +/- 0.1 mg cm-2	—	+/- 0.1 mg cm-2	Text Exact Reported	2 · 2.3. Electrochemical measurements