Electrochemistry Application — A novel Sn-based coordination polymer with high-efficiency and ultrafast lithium storage

Measurement evidence

Electrochemistry Application

A novel Sn-based coordination polymer with high-efficiency and ultrafast lithium storage · Zhang X., Han L., Li J. et al. · Journal of Materials Science and Technology · 2022 · 156-164

7 measurement groups · 43 results

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

CR2032 Li half-cell assembly

Sn-DHTPA composite LIB electrode · Electrode

Li metal counter electrode; 1 M LiPF6 in EC/DEC/DMC 1:1:1 with 5 wt% FEC; glass-fibre separator; argon-filled glovebox

Atmosphere
argon-filled glovebox
Geometry
CR2032 coin half-cell
Context
Sn-DHTPA composite electrode with pristine framework active material
Measurement source
p002-p003 / article pp.157-158 · Experimental - Electrochemical measurements
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
active-material mass loadingabout 1.0-1.3 mg cm-2aboutText
Range
p002 / article p.157 · Experimental - Electrochemical measurements

Cyclic voltammetry

Sn-DHTPA composite LIB electrode · Electrode

Initial five cycles at 0.2 mV s^-1 unless otherwise noted; voltage window 0.01-3 V vs Li+/Li

Geometry
CR2032 half-cell
Context
Sn-DHTPA composite electrode
Measurement source
p003-p005 / article pp.158-160 · Results and Discussion · Figure 3a
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
upper bound for weak hydroxyl extraction anodic feature3.0 VText
Approximate
p007 / article p.162 · Results and Discussion · Figure 3a; Figure 6
lower bound for weak hydroxyl extraction anodic feature2.6 VText
Approximate
p007 / article p.162 · Results and Discussion · Figure 3a; Figure 6
initial anodic peak for LixSn decompositionabout 0.55 VText
Approximate
p007 / article p.162 · Results and Discussion · Figure 3a; Figure 6
initial anodic peak for aromatic ring/carboxylate delithiationabout 1.07 VText
Approximate
p007 / article p.162 · Results and Discussion · Figure 3a; Figure 6
initial-cycle cathodic peak assigned to SEI formationabout 0.71 VaboutText
Approximate
p004 / article p.159 · Results and Discussion · Figure 3a
subsequent-cycle organic oxidation peak1.21 VText
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 3a; Figure 6
subsequent-cycle Sn alloying peak0.22 VText
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 3a; Figure 6
subsequent-cycle organic lithiation peak0.70 VText
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 3a; Figure 6

Scan-rate-dependent cyclic voltammetry and capacitive/diffusion analysis

Sn-DHTPA composite LIB electrode · Electrode

CV scan rates 0.2-2.0 mV s^-1; b-value analysis by log(i) versus log(v)

Geometry
CR2032 half-cell
Context
Sn-DHTPA composite electrode
Measurement source
p007-p008 / article pp.162-163 · Results and Discussion · Figure 7a,b; Figure S6
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
capacitive contribution at 0.2 mV s-125%Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 7b
capacitive contribution at 0.4 mV s^-132%Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 7b
capacitive contribution at 0.6 mV s^-137%Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 7b
capacitive contribution at 0.8 mV s^-140%Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 7b
capacitive contribution at 1.0 mV s^-143%Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 7b
capacitive contribution at 1.5 mV s^-148%Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 7b
capacitive contribution at 2.0 mV s-1Marked as a best value within this paper52%Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure 7b
b value for reduction peak 10.74Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure S6
b value for oxidation peak 20.71Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure S6
b value for oxidation peak 30.51Text
Exact Reported
p007 / article p.162 · Results and Discussion · Figure S6

Electrochemical impedance spectroscopy

Sn-DHTPA composite LIB electrode · Electrode

0.1 Hz-100 kHz with 5 mV amplitude; fresh electrode and electrodes cycled 50 and 100 cycles at 0.1 A g^-1

Geometry
CR2032 half-cell
Context
Sn-DHTPA composite electrode
Measurement source
p003 and p008 / article pp.158,163 · Experimental and Results · Figure 7c,d
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
charge-transfer resistance after 100 cyclesMarked as a best value within this paper9.54 OhmText
Exact Reported
p008 / article p.163 · Results and Discussion · Figure 7c
charge-transfer resistance after 50 cycles62.4 OhmText
Exact Reported
p008 / article p.163 · Results and Discussion · Figure 7c
Warburg factor after 100 cyclesMarked as a best value within this paper8.6 Ohm s^-1/2Text
Exact Reported
p008 / article p.163 · Results and Discussion · Figure 7d
Warburg factor after 50 cycles49.7 Ohm s^-1/2Text
Exact Reported
p008 / article p.163 · Results and Discussion · Figure 7d
Warburg factor fresh electrode161.8 Ohm s^-1/2Text
Exact Reported
p008 / article p.163 · Results and Discussion · Figure 7d

Galvanostatic charge-discharge cycling

Sn-DHTPA composite LIB electrode · Electrode

0.01-3 V vs Li+/Li; 100 mA g^-1 unless otherwise noted

Geometry
CR2032 half-cell
Context
Sn-DHTPA composite electrode
Measurement source
p005 / article p.160 · Results and Discussion · Figure 3b,c; Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
reversible capacity after 100 cycles at 100 mA g-1Marked as a best value within this paper1142.6 mA h g-1 at 100 mA g-1 after 100 cyclesText
Exact Reported
p004 / article p.159 · Results and Discussion · Figure 3c
initial discharge capacity1513 mA h g-1Text
Exact Reported
p004 / article p.159 · Results and Discussion · Figure 3b
initial reversible capacity850 mA h g-1Text
Exact Reported
p004 / article p.159 · Results and Discussion · Figure 3b
SI Table S2 specific capacity at 100 mA g^-1 after 200 cyclesMarked as a best value within this paper1176.3 mA h g^-1 at 100 mA g^-1, cycle number 200SI Table
Exact Reported
SI rendered p008 · Supporting Information · Table S2

Long-term galvanostatic cycling

Sn-DHTPA composite LIB electrode · Electrode

Ultra-high current density 20 A g^-1 for 1000 cycles; Figure S4 also reports 5 and 10 A g^-1 for 1000 cycles

Geometry
CR2032 half-cell
Context
Sn-DHTPA composite electrode
Measurement source
p005 / article p.160 · Results and Discussion · Figure 3f; Figure S4; Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
long-cycle capacity at 10 A g-1 after 1000 cycles375.1 mA h g-1 after 1000 cyclesText
Exact Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure S4
long-cycle capacity at 20 A g-1 after 1000 cyclesMarked as a best value within this paper205.5 mA h g-1 after 1000 cyclesText
Exact Reported
p004 / article p.159 · Results and Discussion · Figure 3f
long-cycle capacity at 5 A g-1 after 1000 cycles483.3 mA h g-1 after 1000 cyclesText
Exact Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure S4

Rate capability testing

Sn-DHTPA composite LIB electrode · Electrode

Current densities from 0.1 to 20 A g^-1, then return to 0.1 A g^-1

Geometry
CR2032 half-cell
Context
Sn-DHTPA composite electrode
Measurement source
p005 / article p.160 · Results and Discussion · Figure 3d; Table S2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
rate capacity at 0.1 A g-1783 mA h g-1Text
Rounded Reported
p004 / article p.159 · Results and Discussion · Figure 3d
rate capacity at 0.2 A g^-1778 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
rate capacity at 0.4 A g^-1772 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
rate capacity at 0.8 A g^-1766 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
rate capacity at 10 A g^-1461 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
rate capacity at 15 A g^-1371 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
rate capacity at 1 A g^-1713 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
rate capacity at 20 A g-1Marked as a best value within this paper287.7 mA h g^-1 at 20 A g^-1; main text rate series rounds to 286 mA h g^-1main text rounded to 286SI Table
Exact Reported
SI rendered p008 · Supporting Information · Table S2
rate capacity at 2 A g^-1606 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
rate capacity at 5 A g^-1572 mA h g^-1Text
Rounded Reported
p004-p005 / article pp.159-160 · Results and Discussion · Figure 3d
capacity recovery when current returns to 0.1 A g-11065 mA h g-1Text
Exact Reported
p004 / article p.159 · Results and Discussion · Figure 3d
SI Table S2 specific capacity at 20 A g^-1Marked as a best value within this paper287.7 mA h g^-1 at 20*1000 mA g^-1SI Table
Exact Reported
SI rendered p008 · Supporting Information · Table S2