Electrochemistry Application — Metal organic frameworks (MOFs) as potential anode materials for improving power generation from algal biophotovoltaic (BPV) platforms

8 measurement groups · 18 results

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

BPV polarisation and power density from external loads

biofilm loaded Cu-MOF/ITO · Electrode

Algal BPV at 25 C under 90 umol photons m-2 s-1; polarisation and power curves derived using Ohm's law.

Temperature: 298
Geometry: ITO anode / Nafion-115 / Pt-C carbon paper cathode
Context: biofilm loaded Cu-MOF/ITO comparison
Measurement source: p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-MOF/ITO BPV power density retention on day 12	91.74% of 1st day response	0.9174 fraction	—	Text Exact Reported	p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. S2 referenced; SI caption
estimated maximum power density for Cu-MOF/ITO BPV	approximately 0.035 mW m-2 from Fig. 7	35 uW/m2	visual estimate from plot	Visual Estimate Uncertain	p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. 7

BPV polarisation and power density from external loads

biofilm loaded Cu-Ni MOF/ITO · Electrode

Algal BPV at 25 C under 90 umol photons m-2 s-1; real-time potential recorded using Picolog ADC-24; polarisation and power curves derived using Ohm's law; five replicates.

Temperature: 298
Geometry: ITO anode / Nafion-115 / Pt-C carbon paper cathode
Context: biofilm loaded Cu-Ni MOF/ITO target
Measurement source: p003 / journal page 421 · 2.10 BPV set-up and electrical measurements · Fig. 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
maximum current density ANOVA setup difference	F(6,48) = 13.045, p < 0.001	—	p < 0.001	Text Exact Reported	p006 / journal page 424 · 3.7 Power output from algal BPV platforms
maximum current density for Cu-Ni MOF/ITO BPVMarked as a best value within this paper	576.28 uA m-2	0.57628 mA/m2	—	Text Exact Reported	p006 / journal page 424 · 3.7 Power output from algal BPV platforms · Fig. 7
Cu-Ni MOF/ITO BPV power density retention on day 12Marked as a best value within this paper	92.73% of 1st day response	0.9273 fraction	—	Text Exact Reported	p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. S2 referenced; SI caption
power density ANOVA setup difference	F(6,48) = 520.774, p < 0.001	—	p < 0.001	Text Exact Reported	p007 / journal page 425 · 3.7 Power output from algal BPV platforms
maximum power density for Cu-Ni MOF/ITO BPVMarked as a best value within this paper	39.92 uW m-2	0.03992 mW/m2	—	Text Exact Reported	p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. 7

BPV polarisation and power density from external loads

biofilm loaded Cu-MOF/ITO · Electrode

Day-12 algal BPV polarisation curves in Chlorella sp. UMACC 313; same BPV conditions as main text, with visual estimates read from SI Fig. S2.

Temperature: 298
Geometry: ITO anode / Nafion-115 / Pt-C carbon paper cathode
Context: biofilm loaded Cu-MOF/ITO comparison, day 12
Measurement source: p003 · Supplementary Fig. S2 caption · Fig. S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
estimated day-12 maximum current density for Cu-MOF/ITO BPV	approximately 0.49 mA m-2 from SI Fig. S2	490 uA/m2	visual estimate from rendered SI plot x-axis	Visual Estimate Uncertain	p003 · Supplementary Fig. S2 caption · Fig. S2
estimated day-12 maximum power density for Cu-MOF/ITO BPV	approximately 0.032 mW m-2 from SI Fig. S2	32 uW/m2	visual estimate from rendered SI plot	Visual Estimate Uncertain	p003 · Supplementary Fig. S2 caption · Fig. S2

BPV polarisation and power density from external loads

biofilm loaded Cu-Ni MOF/ITO · Electrode

Day-12 algal BPV polarisation curves in Chlorella sp. UMACC 313; same BPV conditions as main text, with visual estimates read from SI Fig. S2.

Temperature: 298
Geometry: ITO anode / Nafion-115 / Pt-C carbon paper cathode
Context: biofilm loaded Cu-Ni MOF/ITO target, day 12
Measurement source: p003 · Supplementary Fig. S2 caption · Fig. S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
estimated day-12 maximum current density for Cu-Ni MOF/ITO BPVMarked as a best value within this paper	approximately 0.52 mA m-2 from SI Fig. S2	520 uA/m2	visual estimate from rendered SI plot x-axis	Visual Estimate Uncertain	p003 · Supplementary Fig. S2 caption · Fig. S2
estimated day-12 maximum power density for Cu-Ni MOF/ITO BPVMarked as a best value within this paper	approximately 0.037 mW m-2 from SI Fig. S2	37 uW/m2	visual estimate from rendered SI plot	Visual Estimate Uncertain	p003 · Supplementary Fig. S2 caption · Fig. S2

BPV polarisation and power density from external loads

biofilm loaded ITO · Electrode

Day-12 algal BPV polarisation curves in Chlorella sp. UMACC 313; same BPV conditions as main text, with visual estimates read from SI Fig. S2.

Temperature: 298
Geometry: ITO anode / Nafion-115 / Pt-C carbon paper cathode
Context: biofilm loaded ITO control, day 12
Measurement source: p003 · Supplementary Fig. S2 caption · Fig. S2

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
estimated day-12 maximum current density for ITO BPV	approximately 0.44 mA m-2 from SI Fig. S2	440 uA/m2	visual estimate from rendered SI plot x-axis	Visual Estimate Uncertain	p003 · Supplementary Fig. S2 caption · Fig. S2
estimated day-12 maximum power density for ITO BPV	approximately 0.027 mW m-2 from SI Fig. S2	27 uW/m2	visual estimate from rendered SI plot	Visual Estimate Uncertain	p003 · Supplementary Fig. S2 caption · Fig. S2

BPV polarisation and power density from external loads

biofilm loaded ITO · Electrode

Algal BPV at 25 C under 90 umol photons m-2 s-1; polarisation and power curves derived using Ohm's law.

Temperature: 298
Geometry: ITO anode / Nafion-115 / Pt-C carbon paper cathode
Context: biofilm loaded ITO control
Measurement source: p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. 7

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
ITO BPV power density retention on day 12	86.98% of 1st day response	0.8698 fraction	—	Text Exact Reported	p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. S2 referenced; SI caption
estimated maximum power density for ITO BPV	approximately 0.031 mW m-2 from Fig. 7	31 uW/m2	visual estimate from plot	Visual Estimate Uncertain	p007 / journal page 425 · 3.7 Power output from algal BPV platforms · Fig. 7

chronoamperometry

Chronoamperometry

biofilm loaded Cu-Ni MOF/ITO · Electrode

Chronoamperometry in Chlorella sp. UMACC 313 at 0.9 V vs Ag/AgCl for 3000 s.

Geometry: biofilm attached MOF/ITO working electrode
Context: biofilm loaded Cu-Ni MOF/ITO target
Measurement source: p006 / journal page 424 · 3.6 Electrochemical studies · Fig. 6b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-Ni MOF/ITO chronoamperometry current at 3000 sMarked as a best value within this paper	approximately 0.0027 mA at 3000 s	—	visual estimate from plot	Visual Estimate Uncertain	p006 / journal page 424 · 3.6 Electrochemical studies · Fig. 6b

cyclic voltammetry

Voltammetry

biofilm loaded Cu-Ni MOF/ITO · Electrode

Three-electrode assembly in Chlorella sp. UMACC 313; working electrode biofilm attached ITO/bare ITO, Pt wire counter, Ag/AgCl reference; degassed N2 10 min; sweep rate 50 mV/s.

Atmosphere: nitrogen degassed before CV
Geometry: biofilm attached MOF/ITO working electrode
Context: biofilm loaded Cu-Ni MOF/ITO target
Measurement source: p003 / journal page 421 · 2.9 Electrochemical measurements · Fig. 6a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Cu-Ni MOF/ITO oxidation redox peak	0.60 V vs Ag/AgCl	—	—	Text Rounded Reported	p006 / journal page 424 · 3.6 Electrochemical studies · Fig. 6a
Cu-Ni MOF/ITO reduction redox peak	0.50 V vs Ag/AgCl	—	—	Text Rounded Reported	p006 / journal page 424 · 3.6 Electrochemical studies · Fig. 6a