Electrochemistry Application — Electronically Conductive Metal−Organic Framework With Photoelectric and Photothermal Effect as a Stable Cathode for High-Temperature Photo-Assisted Zn/Sn-Air Battery

4 measurement groups · 32 results

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

OER LSV/polarisation, Tafel, EIS, CV-derived Cdl/ECSA and chronopotentiometry

Impedance spectroscopy Voltammetry Tafel and polarisation analysis Galvanostatic cycling

Ni2DDA OER carbon-paper electrode · Electrode

1 M KOH, simulated solar irradiation or dark, three-electrode setup, 10 mV s-1 with IR compensation; EIS 0.1-1e5 Hz.

Geometry: Ni2DDA/Nafion carbon-paper working electrode; graphite counter; Hg/HgO reference
Context: Ni2DDA composite electrode used to evaluate the pristine MOF catalyst
Measurement source: p003-p007 · OER Testing; Results and Discussion · Figure 5A-D; Figures S10-S11; Table S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
double-layer capacitance Cdl	11.42 mF cm-2	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S11
charge-transfer resistance in dark	47.51 ohm	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S10
charge-transfer resistance under light + 40 degC	31.58 ohm	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S10
charge-transfer resistance under light + 80 degCMarked as a best value within this paper	29.72 ohm	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S10
charge-transfer resistance under light alone	38.82 ohm	—	—	Text Exact Reported	p006 · Results and Discussion · Figure S10
OER overpotential under illumination at 10 mA cm-2Marked as a best value within this paper	245 mV	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 5A; Table S2
OER overpotential under illumination at 100 mA cm-2	359 mV	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 5A; Table S2
chronopotentiometry stability under illumination	stable potential at 10 mA cm-2 for 24 h	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 5D
SI Table S2 benchmark OER overpotential for Ni2DDA-lightMarked as a best value within this paper	Ni2DDA-light: 245 mV at J = 10 mA cm-2 in 1.0 M KOH on carbon paper	—	—	SI Table Exact Reported	p021 · Supporting Information · Table S2
Tafel slope in dark	128.18 mV dec-1	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 5B
Tafel slope under illuminationMarked as a best value within this paper	106.57 mV dec-1	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 5B
Tafel-slope reduction under photoirradiation	17% reduction from 128.18 to 106.57 mV dec-1	—	—	Text Exact Reported	p006 · Results and Discussion · Figure 5B

ORR RRDE measurement

Ni2DDA ORR glassy-carbon RRDE electrode · Electrode

0.1 M KOH, RRDE at 1600 rpm and 5 mV s-1; dark and light curves reported in SI figure.

Geometry: Ni2DDA/carbon black/Nafion ink on glassy carbon RRDE
Context: Ni2DDA composite electrode
Measurement source: p003-p006 · ORR Testing; Results and Discussion · Figure S9

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
photo-induced ORR activity	photo-induced ORR activity observed	—	—	Qualitative Qualitative	p006 · Results and Discussion · Figure S9

Sn-air battery polarisation, power density, charge/discharge and cycling

Ni2DDA PASAB device · Electrode

PASAB under dark, light, light + 40 degC and light + 80 degC; alternating 10 min discharge/recharge at 1 mA cm-2 for cycling.

Atmosphere: air cathode
Geometry: Ni2DDA carbon-paper air cathode with Sn foil anode
Context: composite device containing Ni2DDA cathode
Measurement source: p007-p008 · Results and Discussion · Figure 6C,E,H; Figures S14-S16,S18

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
PASAB round-trip efficiency trend after 200 cycles	round-trip efficiency decreases after 200 cycles but remains higher than dark condition	—	—	Text Qualitative	p008 · Results and Discussion · Figure S18
PASAB charging-voltage reduction versus dark at 80 degC	13.6% lower than dark at 1 mA cm-2	—	—	Text Exact Reported	p008-p009 · Results and Discussion; Conclusion · Figure 6G-H; Figure S16
PASAB charging-voltage plateau under illumination at 80 degCMarked as a best value within this paper	1.40 V at 1 mA cm-2; 13.6% lower than dark	—	—	Text Exact Reported	p008-p009 · Results and Discussion; Conclusion · Figure 6H
PASAB maximum power density at 80 degCMarked as a best value within this paper	17.01 mW cm-2	—	—	Text Exact Reported	p007 · Results and Discussion · Figure 6C
PASAB round-trip efficiency reported elsewhere for light irradiation at 80 degC	60%	—	—	Text Exact Reported	p008 · Results and Discussion · Figure S16
PASAB round-trip efficiency in dark	52.4%	—	—	Text Exact Reported	p008 · Results and Discussion · Figure S16
PASAB round-trip efficiency under light	56.5%	—	—	Text Exact Reported	p008 · Results and Discussion; Conclusion · Figure 6G-H; Figure S16
PASAB round-trip efficiency under light + 40 degC	64.6%	—	—	Text Exact Reported	p008 · Results and Discussion; Conclusion · Figure 6G-H; Figure S16
PASAB round-trip efficiency under light + 80 degCMarked as a best value within this paper	72.9%	—	—	Text Exact Reported	p008-p009 · Results and Discussion; Conclusion · Figure S16

Zn-air battery polarisation, power density, charge/discharge and cycling

Ni2DDA PAZAB device · Electrode

PAZAB under dark, light, light + 40 degC and light + 80 degC; alternating 10 min discharge/recharge at 1 mA cm-2 for cycling.

Atmosphere: air cathode
Geometry: Ni2DDA carbon-paper air cathode with Zn foil anode
Context: composite device containing Ni2DDA cathode
Measurement source: p007-p008 · Results and Discussion · Figure 6B,D,F,G; Figures S13-S17

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
PAZAB optimal specific capacityMarked as a best value within this paper	806.1 mA h g-1_Zn	—	—	Text Exact Reported	p007 · Results and Discussion · Figure S13
PAZAB charging-voltage reduction versus dark at 80 degC	21.5% lower than dark at 1 mA cm-2	—	—	Text Exact Reported	p008-p009 · Results and Discussion; Conclusion · Figure 6G-H; Figure S16
PAZAB charging-voltage plateau under illumination at 80 degCMarked as a best value within this paper	1.55 V at 1 mA cm-2; 21.5% lower than dark	—	—	Text Exact Reported	p008-p009 · Results and Discussion; Conclusion · Figure 6G
PAZAB cycling dependence on light intensity	battery performance degraded as light intensity decreased	—	—	Text Qualitative	p008 · Results and Discussion · Figure S17
PAZAB peak power density at 80 degCMarked as a best value within this paper	23.2 mW cm-2	—	—	Text Exact Reported	p007 · Results and Discussion · Figure 6B
PAZAB round-trip efficiency reported elsewhere for light irradiation at 80 degC	70.1%	—	—	Text Exact Reported	p008 · Results and Discussion · Figure S16
PAZAB round-trip efficiency in dark	57.2%	—	—	Text Exact Reported	p008 · Results and Discussion · Figure S16
PAZAB round-trip efficiency under light	60.1%	—	—	Text Exact Reported	p008 · Results and Discussion; Conclusion · Figure 6G-H; Figure S16
PAZAB round-trip efficiency under light + 40 degC	65.1%	—	—	Text Exact Reported	p008 · Results and Discussion; Conclusion · Figure 6G-H; Figure S16
PAZAB round-trip efficiency under light + 80 degCMarked as a best value within this paper	83.9%	—	—	Text Exact Reported	p008-p009 · Results and Discussion; Conclusion · Figure S16