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- W2007222521 abstract "The carbon supported Au-base electrocatalysts (Au (1−x) Zn x /C, 0 ≤ x < 1) modified by Zn were synthesized by reverse microemulsion method and employed as anode electrocatalysts of direct borohydride fuel cell (DBFC). The physical and electrochemical properties were investigated by energy dispersive X-ray (EDX), X-ray diffraction (XRD), transmission electron microscopy (TEM), cyclic voltammetry (CV), chronopotentiometry and fuel cell test. The results showed that the morphologies of Au (1−x) Zn x nanoparticles all were uniformly spherical no matter what Zn content changed, and the average particle size of Au (1−x) Zn x bimetallics varied from 3 to 6 nm. The electrochemical measurements revealed that the Au (1−x) Zn x /C electrocatalysts showed no activity toward the NaBH 4 hydrolysis reaction and obviously improved the catalytic activity of borohydride oxidation. Compared with Au/C anode electrocatalyst, the stability of DBFC using the Au 0.65 Zn 0.35 /C as anode electrocatalyst was apparently improved, and the maximum power density of 39.5 mW cm −2 was obtained at 20 °C. ► The Au (1−x) Zn x /C catalysts as the anode electrocatalysts of DBFC were synthesized. ► The average particle size of Au (1−x) Zn x bimetallics varied from 3 to 6 nm. ► The Au (1−x) Zn x /C can apparently improve the catalytic activity of BH 4 − oxidation. ► The Au (1−x) Zn x /C catalysts show no activity toward the NaBH 4 hydrolysis reaction. ► The maximum power density of 39.5 mW cm −2 was obtained at 20 °C." @default.
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- W2007222521 date "2011-07-01" @default.
- W2007222521 modified "2023-09-25" @default.
- W2007222521 title "The studies of performance of the Au electrode modified by Zn as the anode electrocatalyst of direct borohydride fuel cell" @default.
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- W2007222521 doi "https://doi.org/10.1016/j.ijhydene.2011.04.128" @default.
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