Electrochemistry Application — Synthesis, structure, and lithium storage performance of non-conductive metal–organic frameworks for high-performance lithium-ion batteries

7 measurement groups · 25 results

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

cyclic voltammetry

Voltammetry

Ni-mba-K lithium-ion battery working electrode · Electrode

CR2032 Li-ion cell, potential range 0.01-3.0 V vs Li+/Li, scan rates in Fig. 4a from 0.2 to 1.0 mV s-1

Atmosphere: argon glove box for assembly
Geometry: working electrode: Ni-mba-K composite on copper; Li counter/reference; Celgard 2300; 1 M LiPF6 EC:DMC:DEC
Context: composite electrode containing pristine Ni-mba-K active material
Measurement source: 5 · 3.2. Lithium-ion battery performance · Fig. 4a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Li insertion reduction peak	near 0.63 V	—	near	Text Approximate	3 · 3.2. Lithium-ion battery performance · Fig. 3a and Fig. 4a

electrochemical impedance spectroscopy; Z-view equivalent-circuit fitting

Impedance spectroscopy

Ni-mba-K lithium-ion battery working electrode · Electrode

AC impedance diagrams at 0.01-10^5 Hz; fitted equivalent circuit in Fig. 4b inset; Table S2 Rs, Rct and WR

Geometry: CR2032 lithium-ion cell
Context: composite electrode containing pristine Ni-mba-K active material
Measurement source: S5 · Supporting Information · Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Bode phase characteristic frequency at -45 degrees	2.15 Hz	—	—	Caption Exact Reported	5 · Figure captions · Fig. 4
charge-transfer resistance RctMarked as a best value within this paper	59.98	—	—	SI Table Exact Reported	S5 · Supporting Information · Table S2
solution resistance RsMarked as a best value within this paper	7.383	—	—	SI Table Exact Reported	S5 · Supporting Information · Table S2
characteristic relaxation time constant tau0	0.464 s	—	—	Caption Exact Reported	5 · Figure captions · Fig. 4
Warburg diffusion resistance WRMarked as a best value within this paper	19.22	—	—	SI Table Exact Reported	S5 · Supporting Information · Table S2

rate capability and galvanostatic cycling

Galvanostatic cycling

Ni-mba-K lithium-ion battery working electrode · Electrode

specific current 50-300 mA g-1 for rate performance; cycling at 300 mA g-1

Geometry: CR2032 lithium-ion cell
Context: composite electrode containing pristine Ni-mba-K active material
Measurement source: 5 · 3.2. Lithium-ion battery performance · Fig. 4c,d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
cycling capacity after initial drop	300-330 mAh g-1 over following 220 cycles	—	range 300-330	Text Range	5 · 3.2. Lithium-ion battery performance · Fig. 4d
capacity near 250th cycle	about 300 mAh g-1 at 250 cycles from Fig. 4d	—	visual estimate +/-40 mAh g-1	Visual Estimate Approximate	5 · 3.2. Lithium-ion battery performance · Fig. 4d
first-cycle specific capacity	905.6 mAh g-1	—	—	Text Exact Reported	4 · 3.2. Lithium-ion battery performance · Fig. 4c
initial coulombic efficiency	60.6%	—	—	Text Exact Reported	4 · 3.2. Lithium-ion battery performance · Fig. 4c
reversible specific capacity	576.1 mAh g-1	—	—	Text Exact Reported	4 · 3.2. Lithium-ion battery performance · Fig. 4c
theoretical specific capacity	608 mAh g-1	—	—	Text Rounded Reported	5 · 3.2. Lithium-ion battery performance · Supporting Information page S5

cyclic voltammetry

Voltammetry

Ni-mba-Na lithium-ion battery working electrode · Electrode

CR2032 Li-ion cell, potential range 0.01-3.0 V vs Li+/Li, scan rates in Fig. 3a from 0.2 to 1.0 mV s-1

Atmosphere: argon glove box for assembly
Geometry: working electrode: Ni-mba-Na composite on copper; Li counter/reference; Celgard 2300; 1 M LiPF6 EC:DMC:DEC
Context: composite electrode containing pristine Ni-mba-Na active material
Measurement source: 4 · 3.2. Lithium-ion battery performance · Fig. 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Li insertion reduction peak	near 0.63 V	—	near	Text Approximate	3 · 3.2. Lithium-ion battery performance · Fig. 3a and Fig. 4a

electrochemical impedance spectroscopy; Z-view equivalent-circuit fitting

Impedance spectroscopy

Ni-mba-Na lithium-ion battery working electrode · Electrode

AC impedance diagrams at 0.01-10^5 Hz; fitted equivalent circuit in Fig. 3b inset; Table S2 Rs, Rct and WR

Geometry: CR2032 lithium-ion cell
Context: composite electrode containing pristine Ni-mba-Na active material
Measurement source: 3 · 3.2. Lithium-ion battery performance · Fig. 3b; Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Bode phase characteristic frequency at -45 degreesMarked as a best value within this paper	2.61 Hz	—	—	Caption Exact Reported	4 · Figure captions · Fig. 3
charge-transfer resistance Rct	105.40	—	—	SI Table Exact Reported	S5 · Supporting Information · Table S2
solution resistance Rs	7.381	—	—	SI Table Exact Reported	S5 · Supporting Information · Table S2
characteristic relaxation time constant tau0Marked as a best value within this paper	0.383 s	—	—	Caption Exact Reported	4 · Figure captions · Fig. 3
Warburg diffusion resistance WR	29.93	—	—	SI Table Exact Reported	S5 · Supporting Information · Table S2

rate capability and galvanostatic cycling

Galvanostatic cycling

Ni-mba-Na lithium-ion battery working electrode · Electrode

specific current 50-300 mA g-1 for rate performance; cycling at 300 mA g-1

Geometry: CR2032 lithium-ion cell
Context: composite electrode containing pristine Ni-mba-Na active material
Measurement source: 4 · 3.2. Lithium-ion battery performance · Fig. 3c,d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
capacity near 350th cycle	about 240 mAh g-1 at 350 cycles from Fig. 3d	—	visual estimate +/-50 mAh g-1	Visual Estimate Approximate	4 · 3.2. Lithium-ion battery performance · Fig. 3d
first-cycle specific capacityMarked as a best value within this paper	1091.6 mAh g-1	—	—	Text Exact Reported	4 · 3.2. Lithium-ion battery performance · Fig. 3c
initial coulombic efficiencyMarked as a best value within this paper	62.6%	—	—	Text Exact Reported	4 · 3.2. Lithium-ion battery performance · Fig. 3c
reversible specific capacityMarked as a best value within this paper	682.9 mAh g-1	—	—	Text Exact Reported	4 · 3.2. Lithium-ion battery performance · Fig. 3c
theoretical specific capacityMarked as a best value within this paper	614 mAh g-1	—	—	Text Rounded Reported	5 · 3.2. Lithium-ion battery performance · Supporting Information page S5

sodium-storage electrochemical testing from SI figure

Ni-mba-Na sodium-storage composite electrode · Electrode

SI Figure S5 shows CV curves, rate capability, discharge/charge curves and cycling performance at 300 mA/g for Ni-mba-Na; full Na-cell conditions are not text-readable.

Geometry: sodium-storage cell; exact counter/reference/electrolyte not reported in readable SI text
Context: composite electrode containing pristine Ni-mba-Na active material
Measurement source: S3 · Supporting Information · Figure S5

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
sodium-storage CV potential window	0-2.5 V from Figure S5(a) axis	—	axis-read upper bound	Figure Axis Approximate	S3 · Supporting Information · Figure S5(a)
sodium-storage discharge capacity after long cycling	about 25-35 mAh g-1 after about 630 cycles at 300 mA/g	—	visual estimate +/-15 mAh g-1	Visual Estimate Approximate	S3 · Supporting Information · Figure S5(d)