Electrochemistry Application — From zinc-cyanide hybrid coordination polymers to hierarchical yolk-shell structures for high-performance and ultra-stable lithium-ion batteries

8 measurement groups · 28 results

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

Cyclic voltammetry

Voltammetry

YC-ZnO electrode · Electrode

CR2032 cell, Li counter electrode, 1 M LiPF6 in EC/DEC; 0.001-3.0 V; initial 5 cycles at 0.1 mV s-1 and variable scan rates 0.1-2.0 mV s-1.

Atmosphere: argon-filled glove box for assembly
Geometry: coin cell electrode on copper foil
Context: target YC-ZnO electrode
Measurement source: 169, 172-173 · 2.3; 3. Results and discussions · Fig. 6a-b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
First anodic small oxidation peak range	between 0.2 and 0.7 V	—	range 0.2-0.7 V	Text Range	172 · 3. Results and discussions · Fig. 6a
First-cycle cathodic peak	about 0.37 V	—	about	Text Approximate	172 · 3. Results and discussions · Fig. 6a
Anodic conversion peak	around 1.5 V	—	around	Text Approximate	172 · 3. Results and discussions · Fig. 6a
Subsequent cathodic peak for ZnO reduction	0.7 V	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 6a
Subsequent cathodic peak for Li-Zn alloying	0.1 V	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 6a

Cyclic voltammetry

Voltammetry

ZnO control electrode · Electrode

Control ZnO CV in 0.001-3.0 V range; detailed curves are in rendered SI Fig. S3.

Atmosphere: argon-filled glove box for assembly
Geometry: coin cell electrode on copper foil
Context: ZnO control electrode
Measurement source: 4 · Supporting information · Fig. S3

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnO CV stability	poor stability with obvious decay of current density	—	—	Text Qualitative	172 · 3. Results and discussions · Fig. S3

Randles-Sevchik fit of peak current vs square root of scan rate

YC-ZnO electrode · Electrode

Apparent Li-ion diffusion behaviour compared for YC-ZnO and solid ZnO electrodes from CV scans.

Geometry: coin cell electrode
Context: target electrode with ZnO control comparison
Measurement source: 172-173 · 3. Results and discussions · Fig. 6c-d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
YC-ZnO apparent Li-ion diffusion fit coefficient, negative peakMarked as a best value within this paper	3.63 for negative peaks	—	—	Text Exact Reported	172-173 · 3. Results and discussions · Fig. 6d
YC-ZnO apparent Li-ion diffusion fit coefficient, positive peakMarked as a best value within this paper	0.70 for positive peaks	—	—	Text Exact Reported	172-173 · 3. Results and discussions · Fig. 6c
ZnO apparent Li-ion diffusion fit coefficient, negative peak	0.53	—	—	Text Exact Reported	172-173 · 3. Results and discussions · Fig. 6d
ZnO apparent Li-ion diffusion fit coefficient, positive peak	0.48	—	—	Text Exact Reported	172-173 · 3. Results and discussions · Fig. 6c

Galvanostatic charge/discharge

Galvanostatic cycling

YC-ZnO electrode · Electrode

CR2032 cell, voltage window 0.001-3.0 V; 0.1 A g-1 initial and cycling charge/discharge.

Atmosphere: argon-filled glove box for assembly
Geometry: coin cell electrode on copper foil
Context: target YC-ZnO electrode
Measurement source: 169, 172-173 · 2.3; 3. Results and discussions · Fig. 7a-b,e

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
YC-ZnO discharge capacity at 50th cycleMarked as a best value within this paper	818 mA h g-1	—	—	Text Exact Reported	173 · 3. Results and discussions · Fig. 7e
YC-ZnO initial coulombic efficiencyMarked as a best value within this paper	77.8%	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7a
YC-ZnO initial discharge capacity at 0.1 A g-1Marked as a best value within this paper	1501 mA h g-1	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7a

Galvanostatic charge/discharge

Galvanostatic cycling

ZnO control electrode · Electrode

Control ZnO electrode tested in the same cell configuration as YC-ZnO.

Atmosphere: argon-filled glove box for assembly
Geometry: coin cell electrode on copper foil
Context: ZnO control electrode
Measurement source: 172-173 · 3. Results and discussions · Fig. 7a,e; Fig. S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnO discharge capacity at 50th cycle	510 mA h g-1	—	—	Text Exact Reported	173 · 3. Results and discussions · Fig. 7e
ZnO initial coulombic efficiency	72.4%	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7a
ZnO initial discharge capacity at 0.1 A g-1	1208 mA h g-1	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7a

Long-term galvanostatic cycling

Galvanostatic cycling

YC-ZnO electrode · Electrode

Long-term cycling at successive 0.5 and 2 A g-1, and high-rate 10 A g-1 for 5000 cycles.

Geometry: coin cell electrode
Context: target YC-ZnO electrode
Measurement source: 174-175 · 3. Results and discussions · Fig. 8a-b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
YC-ZnO approximate discharge capacity near 5000th cycle at 10 A g-1	approximately 250 mA h g-1 read from Fig. 8b axis	—	visual estimate from plotted points	Figure Axis Approximate	174 · 3. Results and discussions · Fig. 8b
YC-ZnO stability after 1000 cycles at 2 A g-1	stable discharge/charge capacity after 1000 cycles	—	—	Text Qualitative	174 · 3. Results and discussions · Fig. 8a
YC-ZnO discharge capacity at 300th cycle and 0.5 A g-1	659 mA h g-1	—	—	Text Exact Reported	174 · 3. Results and discussions · Fig. 8a
YC-ZnO capacity retention after 5000 cycles at 10 A g-1Marked as a best value within this paper	96.9% retention rate after 5000 cycles	—	—	Text Exact Reported	168, 174-175 · Abstract; 3. Results and discussions · Fig. 8b

Rate capability galvanostatic cycling

Galvanostatic cycling

YC-ZnO electrode · Electrode

YC-ZnO discharge capacities at current densities from 0.1 to 10 A g-1.

Geometry: coin cell electrode
Context: target YC-ZnO electrode
Measurement source: 172-173 · 3. Results and discussions · Fig. 7c-d

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
YC-ZnO discharge capacity at 0.1 A g-1	1045.2 mA h g-1 at 0.1 A g-1	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7c-d
YC-ZnO discharge capacity at 0.2 A g-1	789.9 mA h g-1 at 0.2 A g-1	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7c-d
YC-ZnO discharge capacity at 0.5 A g-1	632.4 mA h g-1 at 0.5 A g-1	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7c-d
YC-ZnO discharge capacity at 1 A g-1	573.0 mA h g-1 at 1 A g-1	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7c-d
YC-ZnO discharge capacity at 10 A g-1Marked as a best value within this paper	289.6 mA g-1 at 10 A g-1 (source unit likely mA h g-1)	—	—	Text Rounded Reported	168, 173 · Abstract; 3. Results and discussions · Fig. 7c-d
YC-ZnO discharge capacity at 2 A g-1	485.7 mA h g-1 at 2 A g-1	—	—	Text Exact Reported	172 · 3. Results and discussions · Fig. 7c-d
YC-ZnO discharge capacity at 5 A g-1	372.5 mA g-1 at 5 A g-1 (source unit likely mA h g-1)	—	—	Text Rounded Reported	173 · 3. Results and discussions · Fig. 7c-d

Rate capability galvanostatic cycling

Galvanostatic cycling

ZnO control electrode · Electrode

Solid ZnO control rate performance at current densities from 0.1 to 10 A g-1; main text reports the 10 A g-1 value and rendered SI Fig. S4 shows the full curve.

Geometry: coin cell electrode
Context: ZnO control electrode
Measurement source: 5 · Supporting information · Fig. S4

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ZnO control discharge capacity at 10 A g-1	41 mA h g-1 at 10 A g-1	—	—	Text Exact Reported	173 · 3. Results and discussions · Fig. S4