Table 1 Benzoquinone (BQ) formation rate over Pt/C and the corresponding open-circuit potential (OCP) with varied initial hydroquinone (HQ) concentration and O2 partial pressure

From: Bridging mixed potential theory and electrochemical promotion of thermal catalysis during hydroquinone-benzoquinone redox reactions

NO.

PO2 / kPa

CHQ / mM

BQ formation rate /μmol min−1

OCP / V vs. RHE

1

100

10

2.60

0.723

2

100

4

1.02

0.781

3

50

10

1.69

0.698

4

50

4

1.09

0.748

5

50

2

0.673

0.753

6

20

10

0.923

0.686

7

20

4

0.864

0.699

8

20

2

0.625

0.750

Back to article page