Electrochemistry Application — Conductive metal-organic framework flowers facilitate the anchoring and conversion kinetics of polysulfides for lithium‑sulfur batteries

11 measurement groups · 53 results

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

cyclic voltammetry of Li-S cell

Voltammetry

flower-like MIL-47/CNT interlayer · Electrode

Initial CV curves of Li-S battery with MIL-47/CNT interlayer at 0.1 mV s-1.

Measurement source: p004-p005 · Results and discussion · Fig. 3a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CV anodic Li2S2/Li2S oxidation peak	2.42 V	—	—	Text Exact Reported	p005 · Results and discussion · Fig. 3a
CV cathodic peak LPSs to Li2S2/Li2S	1.98 V	—	—	Text Exact Reported	p005 · Results and discussion · Fig. 3a
CV cathodic peak sulfur to LPSs	2.24 V	—	—	Text Exact Reported	p005 · Results and discussion · Fig. 3a
Unconventional anodic peak	2.61 V	—	—	Text Exact Reported	p005 · Results and discussion · Fig. 3a
Unconventional cathodic peak	2.52 V	—	—	Text Exact Reported	p005 · Results and discussion · Fig. 3a

electrochemical impedance spectroscopy

Impedance spectroscopy

flower-like MIL-47/CNT interlayer · Electrode

CHI760E EIS before tests; charge-transfer resistance fitted by equivalent circuit.

Measurement source: p003-p006 · Electrochemical measurements; Results and discussion · Fig. 3f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CNT film charge-transfer resistance	21.8 ohm	—	—	Text Exact Reported	p006 · Results and discussion · Fig. 3f
MIL-47/CNT charge-transfer resistanceMarked as a best value within this paper	19.3 ohm	—	—	Text Exact Reported	p006 · Results and discussion · Fig. 3f
PP separator charge-transfer resistance	39.4 ohm	—	—	Text Exact Reported	p006 · Results and discussion · Fig. 3f

galvanostatic discharge/charge cycling

Galvanostatic cycling

flower-like MIL-47/CNT interlayer · Electrode

Neware battery tester; Li-S cells with MIL-47/CNT, CNT or no interlayer at 0.2C.

Measurement source: p003-p005 · Electrochemical measurements; Results and discussion · Fig. 3b-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Coulombic efficiency at 0.2C	nearly 100%	—	—	Text Approximate	p005 · Results and discussion · Fig. 3c
MIL-47/CNT initial capacity at 0.2CMarked as a best value within this paper	1292.2 mAh g-1	—	—	Text Exact Reported	p005 · Results and discussion · Fig. 3c
MIL-47/CNT retention after 100 cycles at 0.2C	90% after 100 cycles	—	—	Text Rounded Reported	p005 · Results and discussion · Fig. 3c
CNT self-standing cathode capacity after 100 cycles at 0.2C	approximately 8 mAh g-1 from SI Fig. S4a	—	—	Visual Estimate Approximate	p002 · Supplementary information · Fig. S4a
MIL-47/CNT self-standing cathode capacity after 100 cycles at 0.2CMarked as a best value within this paper	approximately 75 mAh g-1 from SI Fig. S4a	—	—	Visual Estimate Approximate	p002 · Supplementary information · Fig. S4a

high sulfur loading / lean electrolyte Li-S cycling

flower-like MIL-47/CNT interlayer · Electrode

MIL-47/CNT Li-S cells under E/S = 5.0 uL mg-1 and sulfur loadings 3.2 or 6.1 mg cm-2; 0.2C cycling and rate tests.

Measurement source: p007 · Results and discussion · Fig. 6a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Areal capacity at 3.2 mg cm-2 sulfur loading	3.0 mAh cm-2 under 3.2 mg cm-2	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6a
Areal capacity at 6.1 mg cm-2 sulfur loadingMarked as a best value within this paper	6.1 mAh cm-2 under 6.1 mg cm-2	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6a
MIL-47/CNT energy density at 3.2 mg cm-2 sulfurMarked as a best value within this paper	148.7 Wh kg-1	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6
No-interlayer energy density at 3.2 mg cm-2 sulfur	145.2 Wh kg-1	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6
MIL-47/CNT energy density at 6.1 mg cm-2 sulfurMarked as a best value within this paper	218.7 Wh kg-1	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6
No-interlayer energy density at 6.1 mg cm-2 sulfur	87.3 Wh kg-1	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6
MIL-47/CNT standard battery energy density	81.5 Wh kg-1 under 0.2C	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6
No-interlayer standard battery energy density	164.6 Wh kg-1	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 6
Harsh-condition cycling stability duration	remain stable in 50 cycles	—	—	Text Rounded Reported	p007 · Results and discussion · Fig. 6a
No-interlayer areal capacity after 50 cycles at 3.2 mg cm-2 sulfur under harsh conditions	approximately 2.2 mAh cm-2 from SI Fig. S12	—	—	Visual Estimate Approximate	p005 · Supplementary information · Fig. S12
No-interlayer areal capacity after 50 cycles at 6.1 mg cm-2 sulfur under harsh conditions	approximately 2.5 mAh cm-2 from SI Fig. S12	—	—	Visual Estimate Approximate	p005 · Supplementary information · Fig. S12

potentiostatic Li2S precipitation

MIL-47 powder / nanosheets collected from autoclave · Powder

Li2S precipitation from 5 mM Li2S8 solution on MIL-47 electrode compared with CNT electrode.

Measurement source: p003-p007 · Preparation of LPS solutions; Results and discussion · Fig. 5d; Fig. S10

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Li2S precipitation capacity on CNT	42.76 mAh g-1	—	—	Text Exact Reported	p004 · Results and discussion · Fig. S10
Li2S precipitation capacity on MIL-47Marked as a best value within this paper	166.38 mAh g-1	—	—	Text Exact Reported	p007 · Results and discussion · Fig. 5d

long-term Li-S cycling

flower-like MIL-47/CNT interlayer · Electrode

Li-S cycling at 1C for 1000 cycles comparing MIL-47/CNT, CNT and no interlayer.

Measurement source: p004-p006 · Results and discussion · Fig. 3g

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MIL-47/CNT attenuation over 1000 cycles at 1C	0.029%	—	—	Text Exact Reported	p001-p006 · Abstract; Results and discussion · Fig. 3g
MIL-47/CNT final capacity after 1000 cycles at 1CMarked as a best value within this paper	710.5 mAh g-1 after 1000 cycles	—	—	Text Exact Reported	p006 · Results and discussion · Fig. 3g
MIL-47/CNT initial capacity at 1CMarked as a best value within this paper	1003.6 mAh g-1	—	—	Text Exact Reported	p001-p006 · Abstract; Results and discussion · Fig. 3g

H-type LPS permeation test

flower-like MIL-47/CNT interlayer · Electrode

H-type cells assembled with MIL-47/CNT and PP separator to compare LPS permeation over time.

Measurement source: p005-p007 · Results and discussion · Fig. 4g

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MIL-47/CNT permeation colour after 24 hMarked as a best value within this paper	opposite cavity still colorless after 24 h	—	—	Text Rounded Reported	p006-p007 · Results and discussion · Fig. 4g
PP/no-MOF permeation colour change time	other cell turns yellow after 3 h	—	—	Text Rounded Reported	p006-p007 · Results and discussion · Fig. 4g

soft-packaged flexible Li-S pouch cell

flower-like MIL-47/CNT interlayer · Electrode

MIL-47-based interlayer in flexible pouch cell; red bulb demonstration at different fold angles and 0.2C cycling.

Measurement source: p007-p008 · Results and discussion · Fig. 6d-f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MIL-47 pouch-cell capacityMarked as a best value within this paper	1020.4 mAh g-1	—	—	Text Exact Reported	p008 · Results and discussion · Fig. 6f
MIL-47 pouch-cell cycling duration	150 cycles	—	—	Text Exact Reported	p008 · Results and discussion · Fig. 6f
MIL-47 pouch-cell energy densityMarked as a best value within this paper	216.9 Wh kg-1	—	—	Text Exact Reported	p008 · Results and discussion · Fig. 6f
Flexible pouch cell bulb demonstration	drives a red bulb under different fold angles	—	—	Qualitative Qualitative	p008 · Results and discussion · Fig. 6e
MIL-47 pouch-cell capacity retentionMarked as a best value within this paper	95.6% after 150 cycles	—	—	Text Exact Reported	p008 · Results and discussion · Fig. 6f

rate capability

flower-like MIL-47/CNT interlayer · Electrode

Li-S cells tested across rates from 0.2C to 5C and back.

Measurement source: p004-p006 · Results and discussion · Fig. 3d-e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MIL-47/CNT capacity at 5CMarked as a best value within this paper	696.9 mAh g-1 under 5C	—	—	Text Exact Reported	p001-p006 · Abstract; Results and discussion · Fig. 3d
MIL-47/CNT capacity recovery after returning rate	87% of starting capacity maintained when going back	—	—	Text Rounded Reported	p006 · Results and discussion · Fig. 3d

symmetric-cell CV and LSV/Tafel

Voltammetry Tafel and polarisation analysis

MIL-47 powder / nanosheets collected from autoclave · Powder

Symmetric batteries with MIL-47 electrode; LSV and Tafel compared against CNT/glassy carbon controls.

Measurement source: p006-p007 · Results and discussion · Fig. 5a-c

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
MIL-47 LSV onset/current comparison	smallest onset potential and biggest current	—	—	Qualitative Qualitative	p007 · Results and discussion · Fig. 5b
CNT Tafel slope	231 mV dec-1	—	—	Figure Axis Rounded Reported	p006 · Results and discussion · Fig. 5c
MIL-47 Tafel slopeMarked as a best value within this paper	127 mV dec-1	—	—	Figure Axis Rounded Reported	p006 · Results and discussion · Fig. 5c

Li+ transfer number and CV-derived diffusion coefficient

Voltammetry

flower-like MIL-47/CNT interlayer · Electrode

Li-Li symmetric batteries for current-time curves; CV at different scan rates for DLi+ calculation via Randles-Sevcik-type equation.

Measurement source: p003-p007 · Electrochemical measurements; Results and discussion · Fig. 5e-i; Fig. S11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
CNT DLi+ Peak A	approximately 49 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
MIL-47/CNT DLi+ Peak AMarked as a best value within this paper	approximately 76 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
PP DLi+ Peak A	approximately 58 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
CNT DLi+ Peak B	approximately 13 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
MIL-47/CNT DLi+ Peak BMarked as a best value within this paper	approximately 29 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
PP DLi+ Peak B	approximately 3 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
CNT DLi+ Peak C	approximately 5 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
MIL-47/CNT DLi+ Peak CMarked as a best value within this paper	approximately 28 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
PP DLi+ Peak C	approximately 4 x 10^-9 cm2 s-1	—	—	Visual Estimate Approximate	p006 · Results and discussion · Fig. 5i
Blank/PP Li+ transfer number	tLi+ = 0.64	—	—	Figure Axis Rounded Reported	p006 · Results and discussion · Fig. 5e
CNT Li+ transfer number	tLi+ = 0.73	—	—	Figure Axis Rounded Reported	p006 · Results and discussion · Fig. 5e
MIL-47/CNT Li+ transfer numberMarked as a best value within this paper	tLi+ = 0.89	—	—	Figure Axis Rounded Reported	p006 · Results and discussion · Fig. 5e