Sensing Application — Wells-Dawson Arsenotungstate Porous Derivatives for Electrochemical Supercapacitor Electrodes and Electrocatalytically Active Materials

4 measurement groups · 3 results

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

1-GCE · Electrode

0.5 M sulfuric acid electrolyte containing AA at 0, 0.5, 1.0, 1.5, and 2.0 mM.

Geometry: modified GCE
Context: compound 1 composite electrode
Measurement source: p007 · Bifunctional Electrocatalytic Properties · Figure 12a

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

2-GCE · Electrode

0.5 M sulfuric acid electrolyte containing AA at 0, 0.5, 1.0, 1.5, and 2.0 mM.

Geometry: modified GCE
Context: compound 2 composite electrode
Measurement source: p007 · Bifunctional Electrocatalytic Properties · Figure 12b

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Ascorbic acid electrocatalysis response	Oxidation and reduction peak currents for I-I' of 1- and 2-GCE both increase with AA; AA oxidized during the I-I' process.	—	—	Text Qualitative	p008 · Bifunctional Electrocatalytic Properties · Figure 12
Electrocatalytic efficiency CAT orderMarked as a best value within this paper	2 > 1 > {As2W18O62} for oxidizing AA or reducing NO2-	—	—	Text Qualitative	p008 · Bifunctional Electrocatalytic Properties · Figure 12c

1-GCE · Electrode

0.5 M sulfuric acid electrolyte containing NO2- at 0, 0.5, 1.0, 1.5, and 2.0 mM; scan rate 30 mV s-1.

Geometry: modified GCE
Context: compound 1 composite electrode
Measurement source: p007 · Bifunctional Electrocatalytic Properties · Figure 11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source

2-GCE · Electrode

0.5 M sulfuric acid electrolyte containing NO2- at 0, 0.5, 1.0, 1.5, and 2.0 mM; scan rate 30 mV s-1.

Geometry: modified GCE
Context: compound 2 composite electrode
Measurement source: p007 · Bifunctional Electrocatalytic Properties · Figure 11

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Nitrite electrocatalysis response	Cathodic tungsten peak currents increase and anodic peak currents decrease with NO2- addition; linear relation between NO2- concentration and cathodic peak current.	—	—	Text Qualitative	p007 · Bifunctional Electrocatalytic Properties · Figure 11