Electrochemistry Application — Electrodeposition of Ni/Cu Bimetallic Conductive Metal–Organic Frameworks Electrocatalysts with Boosted Oxygen Reduction Activity for Zinc–Air Batteries

22 measurement groups · 69 results

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

Chronoamperometric ORR durability test

Chronoamperometry

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

CA at 400 rpm under 0.6 V vs RHE for 4 h.

Temperature: room temperature
Atmosphere: O2-saturated alkaline electrolyte inferred from ORR section
Geometry: rotating electrode ORR durability test
Context: binder-free pristine conductive MOF film on carbon cloth
Measurement source: 6-7 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3f

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR CA durability decayMarked as a best value within this paper	only 10 mV decay within 4 h	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3f

CV double-layer capacitance and ECSA calculation

Voltammetry

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

CV scan rates from 10 to 50 mV s-1; Cdl from DeltaJ slope; ECSA calculated assuming 40 uF cm-2 plane capacitance.

Temperature: room temperature
Atmosphere: 0.1 M KOH context
Geometry: M3(HITP)2 electrode
Context: pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements · Figures S14-S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

CV double-layer capacitance and ECSA calculation

Voltammetry

Cu3(HITP)2 film on carbon cloth · Electrode

CV scan rates from 10 to 50 mV s-1; Cdl from DeltaJ slope; ECSA calculated assuming 40 uF cm-2 plane capacitance.

Temperature: room temperature
Atmosphere: 0.1 M KOH context
Geometry: M3(HITP)2 electrode
Context: pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements · Figures S14-S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Double-layer capacitance Cu3(HITP)2	10.65	—	—	Text Exact Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure S15
Electrochemically active surface area Cu3(HITP)2	266.25	—	—	Calculated From Reported Exact Reported	21-22 · Supplementary Figures · Figure S15

CV double-layer capacitance and ECSA calculation

Voltammetry

Ni1.6Cu1.4(HITP)2 film on carbon cloth · Electrode

CV scan rates from 10 to 50 mV s-1; Cdl from DeltaJ slope; ECSA calculated assuming 40 uF cm-2 plane capacitance.

Temperature: room temperature
Atmosphere: 0.1 M KOH context
Geometry: M3(HITP)2 electrode
Context: pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements · Figures S14-S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Double-layer capacitance Ni1.6Cu1.4(HITP)2	14.40	—	—	Text Exact Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure S15
Electrochemically active surface area Ni1.6Cu1.4(HITP)2	360.00	—	—	Calculated From Reported Exact Reported	21-22 · Supplementary Figures · Figure S15

CV double-layer capacitance and ECSA calculation

Voltammetry

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

CV scan rates from 10 to 50 mV s-1; Cdl from DeltaJ slope; ECSA calculated assuming 40 uF cm-2 plane capacitance.

Temperature: room temperature
Atmosphere: 0.1 M KOH context
Geometry: M3(HITP)2 electrode
Context: pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements · Figures S14-S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Double-layer capacitance Ni2.1Cu0.9(HITP)2	20.33	—	—	Text Exact Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure S15
Electrochemically active surface area Ni2.1Cu0.9(HITP)2	508.25	—	—	Calculated From Reported Exact Reported	21-22 · Supplementary Figures · Figure S15

CV double-layer capacitance and ECSA calculation

Voltammetry

Ni2.3Cu0.7(HITP)2 film on carbon cloth · Electrode

CV scan rates from 10 to 50 mV s-1; Cdl from DeltaJ slope; ECSA calculated assuming 40 uF cm-2 plane capacitance.

Temperature: room temperature
Atmosphere: 0.1 M KOH context
Geometry: M3(HITP)2 electrode
Context: pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements · Figures S14-S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Double-layer capacitance Ni2.3Cu0.7(HITP)2	16.95	—	—	Text Exact Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure S15
Electrochemically active surface area Ni2.3Cu0.7(HITP)2	423.75	—	—	Calculated From Reported Exact Reported	21-22 · Supplementary Figures · Figure S15

CV double-layer capacitance and ECSA calculation

Voltammetry

Ni3(HITP)2 film on carbon cloth · Electrode

CV scan rates from 10 to 50 mV s-1; Cdl from DeltaJ slope; ECSA calculated assuming 40 uF cm-2 plane capacitance.

Temperature: room temperature
Atmosphere: 0.1 M KOH context
Geometry: M3(HITP)2 electrode
Context: pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements · Figures S14-S15

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Double-layer capacitance Ni3(HITP)2Marked as a best value within this paper	21.97	—	—	Text Exact Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure S15
Electrochemically active surface area Ni3(HITP)2Marked as a best value within this paper	549.25	—	—	Calculated From Reported Exact Reported	21-22 · Supplementary Figures · Figure S15

Oxygen reduction LSV/RDE in O2-saturated 0.1 M KOH

Voltammetry

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

Three-electrode ORR testing at room temperature; M3(HITP)2/carbon cloth working electrode, SCE reference, carbon rod counter, 5 mV s-1 scan, potentials vs RHE.

Temperature: room temperature
Atmosphere: O2-saturated electrolyte
Geometry: carbon cloth electrode; RDE measurements for kinetic analysis
Context: binder-free pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

Oxygen reduction LSV/RDE in O2-saturated 0.1 M KOH

Voltammetry

Cu3(HITP)2 film on carbon cloth · Electrode

Three-electrode ORR testing at room temperature; M3(HITP)2/carbon cloth working electrode, SCE reference, carbon rod counter, 5 mV s-1 scan, potentials vs RHE.

Temperature: room temperature
Atmosphere: O2-saturated electrolyte
Geometry: carbon cloth electrode; RDE measurements for kinetic analysis
Context: binder-free pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR half-wave potential Cu3(HITP)2	0.67	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
ORR onset potential Cu3(HITP)2	0.89	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
Tafel slope Cu3(HITP)2	511.1 mV dec-1	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3c

Oxygen reduction LSV/RDE in O2-saturated 0.1 M KOH

Voltammetry

Ni1.6Cu1.4(HITP)2 film on carbon cloth · Electrode

Three-electrode ORR testing at room temperature; M3(HITP)2/carbon cloth working electrode, SCE reference, carbon rod counter, 5 mV s-1 scan, potentials vs RHE.

Temperature: room temperature
Atmosphere: O2-saturated electrolyte
Geometry: carbon cloth electrode; RDE measurements for kinetic analysis
Context: binder-free pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR half-wave potential Ni1.6Cu1.4(HITP)2	0.72	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
ORR onset potential Ni1.6Cu1.4(HITP)2Marked as a best value within this paper	0.93	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
Tafel slope Ni1.6Cu1.4(HITP)2	337.7 mV dec-1	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3c

Oxygen reduction LSV/RDE in O2-saturated 0.1 M KOH

Voltammetry

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

Three-electrode ORR testing at room temperature; M3(HITP)2/carbon cloth working electrode, SCE reference, carbon rod counter, 5 mV s-1 scan, potentials vs RHE.

Temperature: room temperature
Atmosphere: O2-saturated electrolyte
Geometry: carbon cloth electrode; RDE measurements for kinetic analysis
Context: binder-free pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR half-wave potential Ni2.1Cu0.9(HITP)2Marked as a best value within this paper	0.76	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
ORR onset potential Ni2.1Cu0.9(HITP)2Marked as a best value within this paper	0.93	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
Tafel slope Ni2.1Cu0.9(HITP)2Marked as a best value within this paper	324.9 mV dec-1	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3c

Oxygen reduction LSV/RDE in O2-saturated 0.1 M KOH

Voltammetry

Ni2.3Cu0.7(HITP)2 film on carbon cloth · Electrode

Three-electrode ORR testing at room temperature; M3(HITP)2/carbon cloth working electrode, SCE reference, carbon rod counter, 5 mV s-1 scan, potentials vs RHE.

Temperature: room temperature
Atmosphere: O2-saturated electrolyte
Geometry: carbon cloth electrode; RDE measurements for kinetic analysis
Context: binder-free pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR half-wave potential Ni2.3Cu0.7(HITP)2	0.66	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
ORR onset potential Ni2.3Cu0.7(HITP)2	0.87	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
Tafel slope Ni2.3Cu0.7(HITP)2	373.3 mV dec-1	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3c

Oxygen reduction LSV/RDE in O2-saturated 0.1 M KOH

Voltammetry

Ni3(HITP)2 film on carbon cloth · Electrode

Three-electrode ORR testing at room temperature; M3(HITP)2/carbon cloth working electrode, SCE reference, carbon rod counter, 5 mV s-1 scan, potentials vs RHE.

Temperature: room temperature
Atmosphere: O2-saturated electrolyte
Geometry: carbon cloth electrode; RDE measurements for kinetic analysis
Context: binder-free pristine conductive MOF films on carbon cloth
Measurement source: Electrochemical measurements

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR half-wave potential Ni3(HITP)2	0.73	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
ORR onset potential Ni3(HITP)2	0.90	—	—	SI Table Exact Reported	28 · Supplementary Tables · Table S2
Tafel slope Ni3(HITP)2	345.9 mV dec-1	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3c

RDE Koutecky-Levich analysis

Tafel and polarisation analysis

Cu3(HITP)2 film on carbon cloth · Electrode

LSV at rotating speeds from 400 to 2500 rpm; electron-transfer number calculated from K-L plots.

Temperature: room temperature
Atmosphere: O2-saturated 0.1 M KOH
Geometry: rotating disk electrode measurement of carbon-cloth-derived catalyst electrode
Context: binder-free pristine conductive MOF film on carbon cloth
Measurement source: 6-7 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3d,e; Figures S10-S13; Table S3 cited

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR representative electron-transfer number Cu3(HITP)2Marked as a best value within this paper	3.8	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3e; Figures S10-S13; Table S3
K-L electron-transfer number Cu3(HITP)2 at 0.54 V	3.7	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Cu3(HITP)2 at 0.56 VMarked as a best value within this paper	3.8	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Cu3(HITP)2 at 0.58 VMarked as a best value within this paper	3.8	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Cu3(HITP)2 at 0.60 VMarked as a best value within this paper	3.8	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3

RDE Koutecky-Levich analysis

Tafel and polarisation analysis

Ni1.6Cu1.4(HITP)2 film on carbon cloth · Electrode

LSV at rotating speeds from 400 to 2500 rpm; electron-transfer number calculated from K-L plots.

Temperature: room temperature
Atmosphere: O2-saturated 0.1 M KOH
Geometry: rotating disk electrode measurement of carbon-cloth-derived catalyst electrode
Context: binder-free pristine conductive MOF film on carbon cloth
Measurement source: 6-7 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3d,e; Figures S10-S13; Table S3 cited

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR representative electron-transfer number Ni1.6Cu1.4(HITP)2	2.8	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3e; Figures S10-S13; Table S3
K-L electron-transfer number Ni1.6Cu1.4(HITP)2 at 0.64 V	2.7	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni1.6Cu1.4(HITP)2 at 0.66 V	2.7	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni1.6Cu1.4(HITP)2 at 0.68 V	2.8	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni1.6Cu1.4(HITP)2 at 0.70 V	2.8	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3

RDE Koutecky-Levich analysis

Tafel and polarisation analysis

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

LSV at rotating speeds from 400 to 2500 rpm; electron-transfer number calculated from K-L plots.

Temperature: room temperature
Atmosphere: O2-saturated 0.1 M KOH
Geometry: rotating disk electrode measurement of carbon-cloth-derived catalyst electrode
Context: binder-free pristine conductive MOF film on carbon cloth
Measurement source: 6-7 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3d,e; Figures S10-S13; Table S3 cited

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR representative electron-transfer number Ni2.1Cu0.9(HITP)2	3.4	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3e; Figures S10-S13; Table S3
K-L electron-transfer number Ni2.1Cu0.9(HITP)2 at 0.64 V	3.4	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni2.1Cu0.9(HITP)2 at 0.66 V	3.4	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni2.1Cu0.9(HITP)2 at 0.68 V	3.4	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni2.1Cu0.9(HITP)2 at 0.70 V	3.5	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3

RDE Koutecky-Levich analysis

Tafel and polarisation analysis

Ni2.3Cu0.7(HITP)2 film on carbon cloth · Electrode

LSV at rotating speeds from 400 to 2500 rpm; electron-transfer number calculated from K-L plots.

Temperature: room temperature
Atmosphere: O2-saturated 0.1 M KOH
Geometry: rotating disk electrode measurement of carbon-cloth-derived catalyst electrode
Context: binder-free pristine conductive MOF film on carbon cloth
Measurement source: 6-7 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3d,e; Figures S10-S13; Table S3 cited

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR representative electron-transfer number Ni2.3Cu0.7(HITP)2	2.4	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3e; Figures S10-S13; Table S3
K-L electron-transfer number Ni2.3Cu0.7(HITP)2 at 0.64 V	2.3	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni2.3Cu0.7(HITP)2 at 0.66 V	2.3	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni2.3Cu0.7(HITP)2 at 0.68 V	2.4	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni2.3Cu0.7(HITP)2 at 0.70 V	2.4	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3

RDE Koutecky-Levich analysis

Tafel and polarisation analysis

Ni3(HITP)2 film on carbon cloth · Electrode

LSV at rotating speeds from 400 to 2500 rpm; electron-transfer number calculated from K-L plots.

Temperature: room temperature
Atmosphere: O2-saturated 0.1 M KOH
Geometry: rotating disk electrode measurement of carbon-cloth-derived catalyst electrode
Context: binder-free pristine conductive MOF film on carbon cloth
Measurement source: 6-7 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3d,e; Figures S10-S13; Table S3 cited

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ORR representative electron-transfer number Ni3(HITP)2	2.1	—	—	Text Rounded Reported	6 · 2.2 Catalytic Properties for the Oxygen Reduction Reaction · Figure 3e; Figures S10-S13; Table S3
K-L electron-transfer number Ni3(HITP)2 at 0.64 V	2.1	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni3(HITP)2 at 0.66 V	2.2	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni3(HITP)2 at 0.68 V	2.1	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3
K-L electron-transfer number Ni3(HITP)2 at 0.70 V	2.1	—	—	SI Table Exact Reported	29 · Supplementary Tables · Table S3

Aqueous zinc-air battery testing

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

Homemade aqueous zinc-air battery; polished Zn foil anode, M3(HITP)2/carbon cloth air cathode, 6 M KOH + 0.2 M Zn(Ac)2 electrolyte; cathode area 1 cm2; discharge and cycling at 5 mA cm-2 where specified.

Atmosphere: air cathode exposed to air; alkaline Zn electrolyte
Geometry: sandwich air cathode: M3(HITP)2 film on carbon cloth, waterproof breathable membrane, Ni foam layer
Context: application device using pristine conductive MOF film as catalyst layer/current-collector-supported air cathode
Measurement source: Zinc-air battery measurements · Figure S20

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

Aqueous zinc-air battery testing

Cu3(HITP)2 film on carbon cloth · Electrode

Atmosphere: air cathode exposed to air; alkaline Zn electrolyte
Geometry: sandwich air cathode: M3(HITP)2 film on carbon cloth, waterproof breathable membrane, Ni foam layer
Context: application device using pristine conductive MOF film as catalyst layer/current-collector-supported air cathode
Measurement source: Zinc-air battery measurements · Figure S20

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacity Cu3(HITP)2 zinc-air battery	536.7	—	—	Text Exact Reported	9 · 2.3 Zinc-Air Battery Performance · Figure 4e
Zinc-air battery open-circuit voltage Cu3(HITP)2	1.19	—	—	Text Exact Reported	9 · 2.3 Zinc-Air Battery Performance · Figure 4b
Peak power density Cu3(HITP)2 zinc-air battery	about 17.1 mW cm-2	—	—	Text Approximate	9 · 2.3 Zinc-Air Battery Performance · Figure 4c

Aqueous zinc-air battery testing

Ni2.1Cu0.9(HITP)2 film on carbon cloth · Electrode

Atmosphere: air cathode exposed to air; alkaline Zn electrolyte
Geometry: sandwich air cathode: M3(HITP)2 film on carbon cloth, waterproof breathable membrane, Ni foam layer
Context: application device using pristine conductive MOF film as catalyst layer/current-collector-supported air cathode
Measurement source: Zinc-air battery measurements · Figure S20

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacity Ni2.1Cu0.9(HITP)2 zinc-air batteryMarked as a best value within this paper	706.2	—	—	SI Table Exact Reported	31 · Supplementary Tables · Table S5
Cathode area for zinc-air battery performance measurement	1 cm2	—	—	Text Exact Reported	8 · 2.3 Zinc-Air Battery Performance · Figure S20
Cycling current density Ni2.1Cu0.9(HITP)2 zinc-air battery	5	—	—	SI Table Exact Reported	31 · Supplementary Tables · Table S5
Charge/discharge cycling count Ni2.1Cu0.9(HITP)2 zinc-air batteryMarked as a best value within this paper	1250	—	—	SI Table Exact Reported	31 · Supplementary Tables · Table S5
Long-term cycling durationMarked as a best value within this paper	over 12,500 min	—	—	Text Approximate	9 · 2.3 Zinc-Air Battery Performance · Figure 4g
Zinc-air battery KOH concentration	6 M KOH	—	—	Text Exact Reported	Electrochemical measurements
Zinc-air battery zinc acetate concentration	0.2 M Zn(AC)2	—	—	Text Exact Reported	Electrochemical measurements
Zinc-air battery open-circuit voltage Ni2.1Cu0.9(HITP)2Marked as a best value within this paper	1.31	—	—	Text Exact Reported	9 · 2.3 Zinc-Air Battery Performance · Figure 4b
Peak power density Ni2.1Cu0.9(HITP)2 zinc-air batteryMarked as a best value within this paper	41.5	—	—	SI Table Exact Reported	31 · Supplementary Tables · Table S5
Charge/discharge voltage gap relative to initial valueMarked as a best value within this paper	101%	—	—	SI Table Exact Reported	31 · Supplementary Tables · Table S5
Voltage-gap increase after cyclingMarked as a best value within this paper	only 1.0% larger than initial	—	—	Text Rounded Reported	9 · 2.3 Zinc-Air Battery Performance · Figure 4f
Digital-voltmeter open-circuit voltage Ni2.1Cu0.9(HITP)2 batteryMarked as a best value within this paper	about 1.37 V	—	—	Text Approximate	9 · 2.3 Zinc-Air Battery Performance · Figure 4b inset

Aqueous zinc-air battery testing

Ni3(HITP)2 film on carbon cloth · Electrode

Atmosphere: air cathode exposed to air; alkaline Zn electrolyte
Geometry: sandwich air cathode: M3(HITP)2 film on carbon cloth, waterproof breathable membrane, Ni foam layer
Context: application device using pristine conductive MOF film as catalyst layer/current-collector-supported air cathode
Measurement source: Zinc-air battery measurements · Figure S20

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Specific capacity Ni3(HITP)2 zinc-air battery	685.3	—	—	Text Exact Reported	9 · 2.3 Zinc-Air Battery Performance · Figure 4e
Zinc-air battery open-circuit voltage Ni3(HITP)2	1.28	—	—	Text Exact Reported	9 · 2.3 Zinc-Air Battery Performance · Figure 4b
Peak power density Ni3(HITP)2 zinc-air battery	about 35.1 mW cm-2	—	—	Text Approximate	9 · 2.3 Zinc-Air Battery Performance · Figure 4c