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Figure 3 | Nanoscale Research Letters

Figure 3

From: Au/Pd core-shell nanoparticles with varied hollow Au cores for enhanced formic acid oxidation

Figure 3

FAO test results. (a) FAO CV of the Au/Pd and Pd black catalysts in 0.1 M HClO4 and 0.1 M HCOOH solution from -0.03 to 1.4 V and rotated at 1,000 rpm. The area-specific current densities of the Au25Pd, Au50Pd, Au100Pd, and Pd black are normalized to the ECSA. (b) Chronoamperometry curves of the Au/Pd and Pd black nanoparticles in 0.1 M HClO4 and 0.1 M HCOOH solution at 0.3 V up to 3,600 s. (c) Relative ECSA losses for the Au/Pd and Pd black nanoparticles in 0.1 M HClO4 solution during potential-cycling tests at the potential step between 0.95 V and 5 s and 0.6 V and 5 s, recorded at 7,000 cycles (19.4 h) and 14,000 cycles (38.89 h).

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