Electrochemistry Application — 2D Conductive Metal-Organic Frameworks Based on Tetraoxa[8]circulenes as Promising Cathode for Aqueous Zinc Ion Batteries

9 measurement groups · 67 results

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

galvanostatic charge/discharge cycling in Zn-ion coin cell

Galvanostatic cycling

8OH-TOC cathode electrode · Electrode

CR2032 cell, Zn foil anode, 1.0 M Zn(CF3SO3)2 electrolyte, 0.2-1.2 V window, 50 mA g-1, room temperature.

Geometry: CR2032 coin cell cathode
Context: composite electrode of pristine ligand control
Measurement source: p.5 · 2.4. Electrochemical Performance of 8OH-TOC · Figure S8

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
8OH-TOC discharge capacity at 50 mA g-1	92.2 mAh g−1	92.2 mAh g-1	—	Text Exact Reported	p.5 · 2.4 · Figure S8
8OH-TOC abnormal charge cycle	abnormal when it charges at 21st cycle	—	—	Text Exact Reported	p.5 · 2.4 · Figure S8

CV and galvanostatic charge/discharge in Zn-ion coin cell

Voltammetry Galvanostatic cycling

Cu-TOC cathode electrode · Electrode

CR2032 cell, Zn foil anode, 1.0 M Zn(CF3SO3)2 electrolyte, 0.2-1.2 V vs Zn/Zn2+, CV at 1.0 mV s-1, GCD at 50 mA g-1.

Geometry: CR2032 coin cell cathode
Context: composite electrode containing pristine c-MOF
Measurement source: p.5 · 2.5. Electrochemical Performance of M-TOCs · Figure 4b,e,h

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-TOC retention after 1000 cycles at 1.0 A g-1 with glass fibre separator	35.1%	—	—	Text Exact Reported	p.5 · 2.5 · Figure S9
Cu-TOC retention after 1000 cycles at 1.0 A g-1 with Nafion membraneMarked as a best value within this paper	could maintain all the capacity after 1000 cycles	—	—	Text Approximate	p.6 · 2.5 · Figure S10
Cu-TOC reversible charge capacity after 100 cycles	64.1 mAh g−1 after 100 cycles at 50 mA g−1	64.1 mAh g-1	—	Text Exact Reported	p.5 · 2.5 · Figure 4h
Cu-TOC charge-capacity retention after 100 cycles	42.9%	—	—	Text Exact Reported	p.5 · 2.5 · Figure 4h
Cu-TOC CV redox peaks at 1.0 mV s-1	two pairs at ≈0.64/0.65 and ≈0.87/1.04 V	—	—	Text Approximate	p.5 · 2.5 · Figure 4b
Cu-TOC initial discharge capacity at 50 mA g-1Marked as a best value within this paper	189.7 mAh g−1	189.7 mAh g-1	—	Text Exact Reported	p.5 · 2.5 · Figure 4e

rate capability galvanostatic charge/discharge

Galvanostatic cycling

Cu-TOC cathode electrode · Electrode

Current densities from 100 to 1000 mA g-1 and return to 100 mA g-1 in Zn-ion coin cell.

Geometry: CR2032 coin cell cathode
Context: composite electrode containing pristine c-MOF
Measurement source: p.7 · 2.5. Electrochemical Performance of M-TOCs · Figure 5a,d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-TOC discharge capacity at 100 mA g-1Marked as a best value within this paper	111.7 mAh g−1	111.7 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5a,d
Cu-TOC discharge capacity at 1000 mA g-1	72.2 mAh g−1	72.2 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5a,d
Cu-TOC discharge capacity at 200 mA g-1	91.8 mAh g-1	91.8 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Cu-TOC discharge capacity at 400 mA g-1	85.8 mAh g-1	85.8 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Cu-TOC discharge capacity at 600 mA g-1	81.2 mAh g-1	81.2 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Cu-TOC discharge capacity at 800 mA g-1	76.8 mAh g-1	76.8 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Cu-TOC rate capacity retention after returning to 100 mA g-1	75.3%	—	—	Text Exact Reported	p.7 · 2.5 · Figure 5d
Cu-TOC returned discharge capacity at 100 mA g-1	84.1 mAh g-1	84.1 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5d

ex situ PXRD and XPS at selected charge/discharge states

X-ray photoelectron spectroscopy X-ray diffraction and scattering

Cu-TOC cathode electrode · Electrode

Ex situ XRD/XPS at selected states of the second charge/discharge process, 50 mA g-1.

Geometry: CR2032 coin cell cathode
Context: composite electrodes containing pristine c-MOFs
Measurement source: p.8 · 2.7. Reaction Mechanism · Figures S11-S14

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-TOC redox centresMarked as a best value within this paper	quinoid ligand components and metal nodes participate as redox centers	—	—	Qualitative Qualitative	p.8 · 2.7 · Figures S13-S14
Zn2+ insertion/extraction reversibility	quasi-reversible insertion/extraction of Zn2+ ions into/from the M-TOCs cathodes	—	—	Qualitative Qualitative	p.8 · 2.7 · Figures S11-S12

CV scan-rate kinetic analysis

Voltammetry

Cu-TOC cathode electrode · Electrode

CV curves at 0.2-1.0 mV s-1; b values from log(i) versus log(v); capacitive/diffusion contribution from k1v + k2v^1/2.

Geometry: CR2032 coin cell cathode
Context: composite electrodes containing pristine c-MOFs
Measurement source: p.7 · 2.6. Kinetic Mechanism · Figure 6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-TOC kinetic b value peak 1	0.966	—	—	Text Exact Reported	p.7 · 2.6 · Figure 6d
Cu-TOC kinetic b value peak 2	0.714	—	—	Text Exact Reported	p.7 · 2.6 · Figure 6d
Cu-TOC kinetic b value peak 3	0.863	—	—	Text Exact Reported	p.7 · 2.6 · Figure 6d
Cu-TOC kinetic b value peak 4	0.534	—	—	Text Exact Reported	p.7 · 2.6 · Figure 6d
Cu-TOC capacitive contribution at 0.2 mV s-1	64.8% from Figure 6j bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6j
Cu-TOC capacitive contribution at 0.4 mV s-1	69.8% from Figure 6j bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6j
Cu-TOC capacitive contribution at 0.6 mV s-1	72.7% from Figure 6j bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6j
Cu-TOC capacitive contribution at 0.8 mV s-1	77.6% from Figure 6j bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6j
Cu-TOC capacitive contribution at 1.0 mV s-1	80.5%	—	—	Text Exact Reported	p.7 · 2.6 · Figure 6g,j
Mn-TOC kinetic b value peak 1	b1 = 0.887 from Figure 6f	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6f
Mn-TOC kinetic b value peak 2	b2 = 0.871 from Figure 6f	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6f
Mn-TOC capacitive contribution at 0.2 mV s-1	72.8% from Figure 6l bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6l
Mn-TOC capacitive contribution at 0.4 mV s-1	80.0% from Figure 6l bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6l
Mn-TOC capacitive contribution at 0.6 mV s-1	84.4% from Figure 6l bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6l
Mn-TOC capacitive contribution at 0.8 mV s-1	84.4% from Figure 6l bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6l
Mn-TOC capacitive contribution at 1.0 mV s-1	85.9%	—	—	Text Exact Reported	p.7 · 2.6 · Figure 6i,l
Zn-TOC kinetic b value peak 1	b1 = 0.891 from Figure 6e	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6e
Zn-TOC kinetic b value peak 2	b2 = 0.898 from Figure 6e	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6e
Zn-TOC capacitive contribution at 0.2 mV s-1Marked as a best value within this paper	78.1% from Figure 6k bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6k
Zn-TOC capacitive contribution at 0.4 mV s-1	82.5% from Figure 6k bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6k
Zn-TOC capacitive contribution at 0.6 mV s-1	85.2% from Figure 6k bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6k
Zn-TOC capacitive contribution at 0.8 mV s-1	87.2% from Figure 6k bar label	—	—	Figure Axis Approximate	p.8 · 2.6 · Figure 6k
Zn-TOC capacitive contribution at 1.0 mV s-1Marked as a best value within this paper	88.9%	—	—	Text Exact Reported	p.7 · 2.6 · Figure 6h,k

CV and galvanostatic charge/discharge in Zn-ion coin cell

Voltammetry Galvanostatic cycling

Mn-TOC cathode electrode · Electrode

CR2032 cell, Zn foil anode, 1.0 M Zn(CF3SO3)2 electrolyte, 0.2-1.2 V vs Zn/Zn2+, CV at 1.0 mV s-1, GCD at 50 mA g-1.

Geometry: CR2032 coin cell cathode
Context: composite electrode containing pristine c-MOF
Measurement source: p.5 · 2.5. Electrochemical Performance of M-TOCs · Figure 4d,g,j

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Mn-TOC retention after 1000 cycles at 1.0 A g-1 with glass fibre separatorMarked as a best value within this paper	72.9%	—	—	Text Exact Reported	p.5 · 2.5 · Figure S9
Mn-TOC reversible charge capacity after 100 cyclesMarked as a best value within this paper	78.7 mAh g−1 after 100 cycles at 50 mA g−1	78.7 mAh g-1	—	Text Exact Reported	p.5 · 2.5 · Figure 4j
Mn-TOC charge-capacity retention after 100 cyclesMarked as a best value within this paper	77.5%	—	—	Text Exact Reported	p.5 · 2.5 · Figure 4j
Mn-TOC CV redox peaks at 1.0 mV s-1	≈0.58/0.83 V	—	—	Text Approximate	p.5 · 2.5 · Figure 4d
Mn-TOC initial discharge capacity at 50 mA g-1	123.0 mAh g−1	123 mAh g-1	—	Text Exact Reported	p.5 · 2.5 · Figure 4g

rate capability galvanostatic charge/discharge

Galvanostatic cycling

Mn-TOC cathode electrode · Electrode

Current densities from 100 to 1000 mA g-1 and return to 100 mA g-1 in Zn-ion coin cell.

Geometry: CR2032 coin cell cathode
Context: composite electrode containing pristine c-MOF
Measurement source: p.7 · 2.5. Electrochemical Performance of M-TOCs · Figure 5c,f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Mn-TOC discharge capacity at 100 mA g-1	96.8 mAh g−1	96.8 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5c,f
Mn-TOC discharge capacity at 1000 mA g-1Marked as a best value within this paper	81.2 mAh g−1	81.2 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5c,f
Mn-TOC discharge capacity at 200 mA g-1	90.9 mAh g-1	90.9 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Mn-TOC discharge capacity at 400 mA g-1	86.6 mAh g-1	86.6 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Mn-TOC discharge capacity at 600 mA g-1	83.8 mAh g-1	83.8 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Mn-TOC discharge capacity at 800 mA g-1	82.3 mAh g-1	82.3 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Mn-TOC rate capacity retention after returning to 100 mA g-1	91.3%	—	—	Text Exact Reported	p.7 · 2.5 · Figure 5f
Mn-TOC returned discharge capacity at 100 mA g-1Marked as a best value within this paper	88.4 mAh g-1	88.4 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5f

CV and galvanostatic charge/discharge in Zn-ion coin cell

Voltammetry Galvanostatic cycling

Zn-TOC cathode electrode · Electrode

CR2032 cell, Zn foil anode, 1.0 M Zn(CF3SO3)2 electrolyte, 0.2-1.2 V vs Zn/Zn2+, CV at 1.0 mV s-1, GCD at 50 mA g-1.

Geometry: CR2032 coin cell cathode
Context: composite electrode containing pristine c-MOF
Measurement source: p.5 · 2.5. Electrochemical Performance of M-TOCs · Figure 4c,f,i

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Zn-TOC retention after 1000 cycles at 1.0 A g-1 with glass fibre separator	71.0%	—	—	Text Exact Reported	p.5 · 2.5 · Figure S9
Zn-TOC reversible charge capacity after 100 cycles	54.8 mAh g−1 after 100 cycles at 50 mA g−1	54.8 mAh g-1	—	Text Exact Reported	p.5 · 2.5 · Figure 4i
Zn-TOC charge-capacity retention after 100 cycles	69.3%	—	—	Text Exact Reported	p.5 · 2.5 · Figure 4i
Zn-TOC CV redox peaks at 1.0 mV s-1	≈0.70/0.83 V	—	—	Text Approximate	p.5 · 2.5 · Figure 4c
Zn-TOC initial discharge capacity at 50 mA g-1	117.6 mAh g−1	117.6 mAh g-1	—	Text Exact Reported	p.5 · 2.5 · Figure 4f

rate capability galvanostatic charge/discharge

Galvanostatic cycling

Zn-TOC cathode electrode · Electrode

Current densities from 100 to 1000 mA g-1 and return to 100 mA g-1 in Zn-ion coin cell.

Geometry: CR2032 coin cell cathode
Context: composite electrode containing pristine c-MOF
Measurement source: p.7 · 2.5. Electrochemical Performance of M-TOCs · Figure 5b,e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Zn-TOC discharge capacity at 100 mA g-1	90.4 mAh g−1	90.4 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5b,e
Zn-TOC discharge capacity at 1000 mA g-1	73.5 mAh g−1	73.5 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5b,e
Zn-TOC discharge capacity at 200 mA g-1	85.1 mAh g-1	85.1 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Zn-TOC discharge capacity at 400 mA g-1	82.1 mAh g-1	82.1 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Zn-TOC discharge capacity at 600 mA g-1	78.3 mAh g-1	78.3 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Zn-TOC discharge capacity at 800 mA g-1	76.2 mAh g-1	76.2 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5
Zn-TOC rate capacity retention after returning to 100 mA g-1Marked as a best value within this paper	91.7%	—	—	Text Exact Reported	p.7 · 2.5 · Figure 5e
Zn-TOC returned discharge capacity at 100 mA g-1	82.9 mAh g-1	82.9 mAh g-1	—	Text Exact Reported	p.7 · 2.5 · Figure 5e