Electrochemistry Application — Immobilizing Redox-Active Tricycloquinazoline into a 2D Conductive Metal–Organic Framework for Lithium Storage

7 measurement groups · 37 results

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

Galvanostatic charge/discharge and rate tests

Galvanostatic cycling

Cu-HHTQ composite working electrode · Electrode

Voltage window 0.01-2.5 V vs Li+/Li.

Atmosphere: Ar-assembled Li half-cell
Geometry: CR2032 coin half-cell
Context: composite electrode containing pristine Cu-HHTQ active material
Measurement source: SI S13-S14 / rendered p014-p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
First-cycle charge capacity, 0.01-2.5 V	613 mAh g-1	—	—	Text Exact Reported	SI S13-S14 / rendered p014-p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19a
First-cycle discharge capacity, 0.01-2.5 V	1527 mAh g-1	—	—	Text Exact Reported	SI S13-S14 / rendered p014-p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19a
Reversible capacity at 300 mA g-1 over 200 cycles, 0.01-2.5 V	404.8 mAh g-1	—	—	Text Exact Reported	SI S13-S14 / rendered p014-p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19b
Rate capacity at 1500 mA g-1, 0.01-2.5 V	80.2 mAh g-1	—	—	Text Exact Reported	SI S14 / rendered p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19d
Rate capacity at 150 mA g-1, 0.01-2.5 V	233.5 mAh g-1	—	—	Text Exact Reported	SI S14 / rendered p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19d
Rate capacity at 300 mA g-1, 0.01-2.5 V	191.6 mAh g-1	—	—	Text Exact Reported	SI S14 / rendered p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19d
Rate capacity at 30 mA g-1, 0.01-2.5 V	424.7 mAh g-1	—	—	Text Exact Reported	SI S14 / rendered p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19d
Rate capacity at 60 mA g-1, 0.01-2.5 V	308 mAh g-1	—	—	Text Exact Reported	SI S14 / rendered p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19d
Recovered capacity when returning to 300 mA g-1, 0.01-2.5 V	244.4 mAh g-1	—	—	Text Exact Reported	SI S14 / rendered p015 · 13. Electrochemical performance of Cu-HHTQ · Figure S19d

Galvanostatic charge/discharge in CR2032 Li half-cell

Galvanostatic cycling

Cu-HHTQ composite working electrode · Electrode

Voltage window 0.01-3.0 V vs Li+/Li; Li metal counter electrode; 1 M LiPF6 in EC/DMC/DEC 1:1:1; room temperature.

Atmosphere: Assembled in Ar glovebox with O2 and H2O < 0.1 ppm
Geometry: CR2032 coin half-cell
Context: composite electrode containing pristine Cu-HHTQ active material
Measurement source: main p.3 / article p.24469 · Results and discussion · Figure 2a-b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Coulombic efficiency during cycling	around 99.5%	—	—	Text Approximate	main p.3 / article p.24469 · Results and discussion · Figure 2b
Capacity decay per cycle	0.09% per cycle	—	—	Text Exact Reported	main p.3 / article p.24469 · Results and discussion · Figure 2b
First-cycle charge capacity at 15 mA g-1Marked as a best value within this paper	989 mAh g-1	—	—	Text Exact Reported	SI S11 / rendered p012 · 12. Representative conductive MOFs · Table S1
First-cycle discharge capacity at 15 mA g-1	1716 mAh g-1	—	—	Text Exact Reported	main p.3 / article p.24469 · Results and discussion · Figure 2a
Capacity retention after 200 cyclesMarked as a best value within this paper	82%	—	—	Text Exact Reported	main p.3 / article p.24469 · Results and discussion · Figure 2b
Capacity retention after 250 cycles	about 73%	—	—	Text Approximate	main p.3 / article p.24469 · Results and discussion · Figure S17
Reversible capacity after cycling at 600 mA g-1Marked as a best value within this paper	657.6 mAh g-1 at 600 mA g-1	—	—	Text Exact Reported	main p.3 / article p.24469 · Results and discussion · Figure 2b
Second-cycle charge capacity	828 mAh g-1	—	—	Text Exact Reported	main p.3 / article p.24469 · Results and discussion · Figure 2a
Theoretical capacity of Cu-HHTQ	874.6 mAh g-1 for n = 16.5	—	—	Calculated From Reported Exact Reported	SI S2 / rendered p003 · 1.4 Theoretical Capacity Calculation

Cyclic voltammetry

Voltammetry

Cu-HHTQ composite working electrode · Electrode

CV at 0.2 mV s-1 and variable scan rates 0.2-1.0 mV s-1.

Atmosphere: Ar-assembled Li half-cell
Geometry: CR2032 coin half-cell
Context: composite electrode containing pristine Cu-HHTQ active material
Measurement source: SI S14-S15 / rendered p015-p016 · 13. Electrochemical performance of Cu-HHTQ · Figures S20-S21

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Capacitive contribution at 0.2 mV s-1	39%	—	—	Figure Axis Rounded Reported	SI S15 / rendered p016 · 13. Electrochemical performance of Cu-HHTQ · Figure S21d
Capacitive contribution at 0.4 mV s-1	46%	—	—	Figure Axis Rounded Reported	SI S15 / rendered p016 · 13. Electrochemical performance of Cu-HHTQ · Figure S21d
Capacitive contribution at 0.6 mV s-1	51%	—	—	Figure Axis Rounded Reported	SI S15 / rendered p016 · 13. Electrochemical performance of Cu-HHTQ · Figure S21d
Capacitive contribution at 0.8 mV s-1	55%	—	—	Figure Axis Rounded Reported	SI S15 / rendered p016 · 13. Electrochemical performance of Cu-HHTQ · Figure S21d
Capacitive contribution at 1.0 mV s-1Marked as a best value within this paper	58%	—	—	Figure Axis Rounded Reported	SI S15 / rendered p016 · 13. Electrochemical performance of Cu-HHTQ · Figure S21d
b-value for charge/oxidation peak	0.69	—	—	Text Exact Reported	SI S15 / rendered p016 · 13. Electrochemical performance of Cu-HHTQ · Figure S21b
b-value for discharge/reduction peak	0.69	—	—	Text Exact Reported	SI S15 / rendered p016 · 13. Electrochemical performance of Cu-HHTQ · Figure S21b
Approximate Cu redox peak	about 2.5 V	—	—	Text Approximate	main p.4 / article p.24470 · Results and discussion · Figure S20
Approximate Cu-HHTQ organic-ligand redox peak	about 0.5 V	—	—	Text Approximate	main p.4 / article p.24470 · Results and discussion · Figure S20

Galvanostatic rate performance

Galvanostatic cycling

Cu-HHTQ composite working electrode · Electrode

Voltage window 0.01-3.0 V vs Li+/Li; rate test after 50 cycles at 300 mA g-1.

Atmosphere: Ar-assembled Li half-cell
Geometry: CR2032 coin half-cell
Context: composite electrode containing pristine Cu-HHTQ active material
Measurement source: main p.3 / article p.24469 · Results and discussion · Figure 2c-d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Rate capacity at 1200 mA g-1	443.7 mAh g-1	—	—	Text Exact Reported	main p.3 / article p.24469 · Results and discussion · Figure 2c-d
Rate capacity at 1500 mA g-1	403.7 mAh g-1	—	—	Text Exact Reported	main p.3 / article p.24469 · Results and discussion · Figure 2c-d
Rate capacity at 3000 mA g-1Marked as a best value within this paper	292.1 mAh g-1	—	—	Text Exact Reported	main p.2-p.3 / article p.24468-p.24469 · Abstract and results · Figure 2d

Cyclic voltammetry

Voltammetry

HHTQ composite working electrode · Electrode

Potential range visually 0.01-3.0 V; scan rate 0.1 mV s-1.

Atmosphere: Ar-assembled Li half-cell
Geometry: CR2032 coin half-cell
Context: molecular linker control electrode
Measurement source: SI S16 / rendered p017 · 14. Electrochemical performance of TQ and HHTQ · Figure S23

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
HHTQ CV curve recorded	CV curve shown at 0.1 mV s-1; no exact peak values reported in text	—	—	Qualitative Qualitative	SI S16 / rendered p017 · 14. Electrochemical performance of TQ and HHTQ · Figure S23

Galvanostatic charge/discharge in Li half-cell

Galvanostatic cycling

TQ composite working electrode · Electrode

TQ active material, Li metal counter electrode, potential range 0.01-3.0 V vs Li+/Li; 30 mA g-1 for first three cycles.

Atmosphere: Ar-assembled Li half-cell
Geometry: CR2032 coin half-cell
Context: molecular pristine control electrode
Measurement source: main p.4 / article p.24470 · Results and discussion · Figure 3a and Figures S22-S26

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TQ first-cycle charge capacity	88.3 mAh g-1	—	—	Text Exact Reported	main p.4 / article p.24470 · Results and discussion · Figure 3a
TQ first-cycle discharge capacity	810 mAh g-1	—	—	Text Exact Reported	main p.4 / article p.24470 · Results and discussion · Figure 3a
TQ initial Coulombic efficiency	10.9%	—	—	Text Exact Reported	main p.4 / article p.24470 · Results and discussion · Figure 3a
Theoretical capacity of TQ	752.9 mAh g-1 for n = 9	—	—	Calculated From Reported Exact Reported	SI S2 / rendered p003 · 1.4 Theoretical Capacity Calculation

Cyclic voltammetry

Voltammetry

TQ composite working electrode · Electrode

Potential range 0.01-3.0 V; scan rate 0.1 mV s-1.

Atmosphere: Ar-assembled Li half-cell
Geometry: CR2032 coin half-cell
Context: molecular pristine control electrode
Measurement source: main p.4 / article p.24470 · Results and discussion · Figure S22

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
TQ broad oxidative peak	about 1.1 V	—	—	Text Approximate	main p.4 / article p.24470 · Results and discussion · Figure S22
TQ broad reductive peak	about 0.9 V	—	—	Text Approximate	main p.4 / article p.24470 · Results and discussion · Figure S22