Cyclic voltammogram of Pt

Figure 5.2. NEMCA and its origin on Pt/YSZ catalyst electrodes. Transient effect of the application of a constant current (a, b) or constant potential UWR (c) on (a) the rate, r, of C2H4 oxidation on Pt/YSZ (also showing the corresponding UWR transient)3 (b) the 02 TPD spectrum on Pt/YSZ4,7 after current (1=15 pA) application for various times t. (c) the cyclic voltammogram of Pt/YSZ4,7 after holding the potential at UWR = 0.8 V for various times t.

Figure 5.27.Cyclic voltammograms of Pt/YSZ electrodes in air at different temperatures at 50 mV/s (a).50 Cyclic voltammograms of a Pt/YSZ film at 673 K and various holding times under (b) UHV4 and (c) P02 = 4xl0 6 Torr4. Holding potential 0.8 V scan rate 50 mV/s.Reprinted with permission from the American Chemical Society.

Figure 6.19 (a) Cyclic voltammograms of Pt(lll) (solid line), Pt(llO) (dashed line), and... 

Figure 8.7 (a) Cyclic voltammograms of Pt(l 11) (dashed gray line) and PtsSn) 11) (solid black... 

Fig. 19. Cyclic Voltammograms of [Pt]polypyrrole (20 nm thick) in CH3CN containing various electrolyte salts. Sweep rates 50 and 100 mVs 1. Reproduced from [262].

Figures 2-15 shows the cyclic voltammogram of Pt(lll) in 0.5 M sulfuric acid. The potential was first cycled between 60 mV and 700 mV and later was scanned up to 1500 mV and reversed.

Fig. 2-21 Cyclic voltammogram of Pt(lll) in 5 M H2SO4 at 50mV/s. (---) Jirst sweep (---) after experiencing oxidation of platinum... 

Figure 29. Cyclic voltammograms of Pt( 111) in 0.1 A KH2PO4 (pH 4.6) with I mAf Zn" (solid curve) and without Zn (dotted curve). TTie sweep rate was 10 mV s". (From Ref. 62.)...

Figure 3.5 Cyclic voltammograms of Pt-Ru 60wt% catalysts supported on H-CNF, nanotunneled H-CNF and E-TEK catalyst 1 M MeOH + 1 M H2SO4 at 25 °C.

Figure 2. Cyclic voltammograms of Pt and graphite foil m saturated NMe4Cl-DMSO sweep rate 50 mV s", SCE = saturated calomel electrode (after ref. 7).

Fig. 8.8 Solid line Cyclic voltammogram of Pt/PrintexXE2 catalyst (63% metal loading, 2.128 jg Pt) prepared by the instant method. Dotted line Commercial Pt/Vulcan XC72 catalyst from ETEK (58% metal loading, 2.32pg Pt). Scan rate lOOmVs", electrolyte is Ar-saturated 0.5 M perchloric acid [59].

The unusual peak on Pt(lll). Figure 3 shows the cyclic voltammograms of Pt(lll) at various pH values [82] A-1 and C-1 are the unusual peaks. Figure 4 shows the shift of the unusual peak following the addition of acetic acid to a HCIO4 solution [83]. 

Fig. 5.4 Cyclic voltammograms of Pt C/MC in (a) a N2-saturated aqueous solution of 0.5 mol L H2SO4 with dotted line) and without (solid line) 0.5 mol L methanol, and (b) an 02-saturated aqueous solution of 0.5 mol L H2SO4 with (dash-dot line) and without (solid line) 0.5 mol L methanol at a scan rate of 50 mV s . Note that the dotted line in (b) is the CV curve of the Pt C/MC in the N2-saturated electrolyte (Reproduced from Ref. [24] with kind permission of John Wiley and Sons 2012)...

Figure 5.10 Cyclic voltammogram of Pt/0-coated glassy carbon or gold electrode in N2-or Ar-saturated aqueous electrolyte solution.

Fig. 5.2 Cyclic voltammograms of Pt/G (a), PtAu/G (b), PtPd/G (c), and PtPdAu/G (d) catalysts in 1.0 M KOH containing 1.0 M CH3OH solutions with a scan rate of 50 mV s. Reproduced from ref. [37]...

Fig. 23.8 Comparison of cyclic voltammograms of Pt supported on carbon and Ta-WC/KB. Conditions 0.1 M HCIO4, N2 atmosphere, and 25 °C [74]...

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