Electrochemistry Application — Cluster-Bridging-Coordinated Bimetallic Metal−Organic Framework as High-Performance Anode Material for Lithium-Ion Storage

5 measurement groups · 44 results

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

HLIC CV, GCD, Ragone analysis and long-term cycling

Voltammetry Galvanostatic cycling

Co4-Ir MOF||AC hybrid lithium-ion capacitor · Electrode

Co4-Ir MOF||AC HLICs tested between 2.0 and 4.0 V; CV scan rates 5-20 mV s-1; GCD current densities 100-4000 mA g-1; long cycling at 4000 mA g-1.

Geometry: full-cell hybrid lithium-ion capacitor
Context: application HLIC using prelithiated Co4-Ir MOF anode
Measurement source: 8 · Results and Discussion · Figure 6

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
AC cathode specific capacity at 100 mA g-1	58 mAh g-1	—	—	Text Rounded Reported	7 · Results and Discussion · Figure S10
AC cathode specific capacity at 4000 mA g-1	32 mAh g-1	—	—	Text Rounded Reported	7 · Results and Discussion · Figure S10
Co4-Ir MOF anode capacity at 4000 mA g-1 for HLIC balancing	180 mAh g-1	—	—	Text Rounded Reported	7 · Results and Discussion · Figure 6
HLIC specific capacitance at 100 mA g-1	59 F g-1	—	—	Text Rounded Reported	8 · Results and Discussion · Figure 6b
HLIC specific capacitance at 4000 mA g-1	24 F g-1	—	—	Text Rounded Reported	8 · Results and Discussion · Figure 6b
HLIC high energy density point	165.4 Wh kg-1 at 300 W kg-1	—	—	Text Rounded Reported	8 · Results and Discussion · Figure 6c
HLIC high power density point	12000 W kg-1 at 53.7 Wh kg-1	—	—	Text Rounded Reported	8 · Results and Discussion · Figure 6c
HLIC capacity retention after 3000 cycles	73.6% after 3000 cycles at 4000 mA g-1	—	—	Text Rounded Reported	8 · Results and Discussion · Figure 6d

GITT Li-ion diffusion and capacitive-contribution analysis

Co4-Ir MOF||Li half-cell · Electrode

GITT at 50 mA g-1 for 20 min followed by 30 min rest; b-value analysis from CV scan rates 0.2-10.0 mV s-1.

Atmosphere: argon-assembled cell
Geometry: Co4-Ir MOF||Li CR2032 half-cell
Context: composite anode with pristine Co4-Ir MOF active material
Measurement source: 5 · Results and Discussion · Figure 3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
average b-value for delithiation	0.67	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3b
average b-value during lithiation at 1.2-2.2 V	0.76	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3b
b-value during lithiation at 0.1-1.0 V	0.58	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3b
capacitive contribution at 0.2 mV s-1	38%	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3d
capacitive contribution at 1.0 mV s-1	41%	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3d
capacitive contribution at 10.0 mV s-1	69%	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3d
capacitive contribution at 2.0 mV s-1	53%	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3d
capacitive contribution at 5.0 mV s-1	60%	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 3d
Li-ion diffusion coefficient rangeMarked as a best value within this paper	2.62 x 10-11 to 1.20 x 10-9 cm2 s-1	—	—	Text Range	6 · Results and Discussion · Figure 3f
capacity retained after self-discharge test	97.5% after 48 h	—	—	Text Rounded Reported	6 · Results and Discussion · Figure S7

cyclic voltammetry and electrochemical impedance spectroscopy

Impedance spectroscopy Voltammetry

Co4-Ir MOF||Li half-cell · Electrode

CV at 1 mV s-1 for initial cycles; kinetic CV at 0.2-10.0 mV s-1; EIS from 100 kHz to 0.01 Hz with 5 mV amplitude.

Atmosphere: argon-assembled cell
Geometry: Co4-Ir MOF||Li CR2032 half-cell
Context: composite anode with pristine Co4-Ir MOF active material
Measurement source: 3 · Results and Discussion · Figure 2a-b; Figure 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
first-cycle SEI formation peak	0.57 V	—	—	Text Rounded Reported	3 · Results and Discussion · Figure 2a

galvanostatic charge-discharge, rate capability and long-term cycling

Galvanostatic cycling

Co4-Ir MOF||Li half-cell · Electrode

Voltage range 0.05-3.0 V vs Li/Li+ for half-cell GCD; current densities 100-3000 mA g-1; cycling at 500 and 3000 mA g-1.

Atmosphere: argon-assembled cell
Geometry: Co4-Ir MOF||Li CR2032 half-cell
Context: composite anode with pristine Co4-Ir MOF active material
Measurement source: 4 · Results and Discussion · Figure 2c-f; Figure S6; Table S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
abstract/conclusion rate capability at 3000 mA g-1	515 mAh g-1 at 3000 mA g-1	—	—	Text Rounded Reported	1 · Abstract
second-cycle discharge capacity	1450 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2c
third-cycle discharge capacity	1420 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2c
fourth-cycle discharge capacity	1380 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2c
average capacity decay at 3000 mA g-1	0.041% per cycle for 1000 cycles	—	—	Text Rounded Reported	5 · Results and Discussion · Figure 2f; Table S3
initial capacity during 3000 mA g-1 cycling	497 mAh g-1	—	—	Text Rounded Reported	5 · Results and Discussion · Figure 2f; Table S3
capacity retention after 1000 cycles at 3000 mA g-1	59.3% after 1000 cycles	—	—	SI Table Exact Reported	7 · Supporting Information · Table S3
capacity after 200 cycles at 500 mA g-1	623 mAh g-1	—	—	Text Rounded Reported	5 · Results and Discussion · Figure 2e
initial Coulombic efficiency during 500 mA g-1 cycling	99.75%	—	—	Text Rounded Reported	5 · Results and Discussion · Figure 2e
average capacity decay at 500 mA g-1	0.079% per cycle	—	—	SI Table Exact Reported	7 · Supporting Information · Table S3
initial discharge capacity during 500 mA g-1 cycling	740 mAh g-1	—	—	Text Rounded Reported	5 · Results and Discussion · Figure 2e; Table S3
capacity retention after 200 cycles at 500 mA g-1	84.2%	—	—	Text Rounded Reported	5 · Results and Discussion · Figure 2e; Table S3
first-cycle discharge capacity	3360 mAh g-1 at 100 mA g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2c
average discharge capacity at 100 mA g-1Marked as a best value within this paper	1202 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2d
average discharge capacity at 1000 mA g-1	653 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2d
average discharge capacity at 200 mA g-1	1059 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2d
average discharge capacity at 3000 mA g-1 (main text rate series)	487 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2d
average discharge capacity at 500 mA g-1	866 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2d
recovered capacity after returning to 100 mA g-1	1155 mAh g-1	—	—	Text Rounded Reported	4 · Results and Discussion · Figure 2d
Table S3 specific capacity at 100 mA g-1	1330 mAh g-1	—	—	SI Table Exact Reported	7 · Supporting Information · Table S3

soft-packed full-battery galvanostatic cycling and bending test

Galvanostatic cycling

Soft-packed Co4-Ir MOF||NCM523 full battery · Electrode

Co4-Ir MOF||NCM523 cell tested at 100 mA g-1 in 1.0-4.2 V under continuous bending-unbending; long cycling at 1000 mA g-1.

Geometry: soft-packed full battery
Context: application full cell using Co4-Ir MOF anode
Measurement source: 7 · Results and Discussion · Figure 5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
remaining capacity after bending-unbending cycling	246 mAh g-1 after 35 cycles at 100 mA g-1	—	—	Text Rounded Reported	7 · Results and Discussion · Figure 5b-c
soft-packed full-cell energy density	301 Wh kg-1	—	estimated	Text Rounded Reported	6 · Results and Discussion · Figure 5b-c
soft-packed full-battery initial discharge capacity	352 mAh g-1	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 5b-c
full-cell capacity after 200 cycles at 1000 mA g-1	147 mAh g-1	—	—	Text Rounded Reported	7 · Results and Discussion · Figure 5e
soft-packed full-battery average voltage plateau	3.90 V	—	—	Text Rounded Reported	6 · Results and Discussion · Figure 5b-c