A binary palladium–bismuth nanocatalyst with high activity and stability for alkaline glucose electrooxidation

Chen, Cheng-Chuan; Lin, Cheng-Lan; Chen, Lin-Chi

doi:10.1016/j.jpowsour.2015.04.083

Cited by 65 publications

(44 citation statements)

References 31 publications

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“…Therefore, studies focusing on exploring pollution-free energy production, conversion and storage devices have attracted a large number of investigators678. With the features of nontoxic, non-flammable, high energy density and abundant resource of glucose, direct glucose fuel cell (DGFC) is a promising energy conversion device9101112. Typically, in DGFC the electric energy is generated by electrocatalyzing complementary oxidation and reduction reactions at a couple of corresponding anode and cathode, respectively131415.…”

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confidence: 99%

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Pt-Bi decorated nanoporous gold for high performance direct glucose fuel cell

Hong

Yin

Yan

et al. 2016

Sci Rep

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Binary PtBi decorated nanoporous gold (NPG-PtBi) electrocatalyst is specially designed and prepared for the anode in direct glucose fuel cells (DGFCs). By using electroless and electrochemical plating methods, a dense Pt layer and scattered Bi particles are sequentially coated on NPG. A simple DGFC with NPG-PtBi as anode and commercial Pt/C as cathode is constructed and operated to study the effect of operating temperatures and concentrations of glucose and NaOH. With an anode noble metal loading of only 0.45 mg cm−2 (Au 0.3 mg and Pt 0.15 mg), an open circuit voltage (OCV) of 0.9 V is obtained with a maximum power density of 8 mW cm−2. Furthermore, the maximum gravimetric power density of NPG-PtBi is 18 mW mg−1, about 4.5 times higher than that of commercial Pt/C.

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confidence: 99%

“…They also synthesized PtAu/C anode for DGFC which exhibited a maximum gravimetric power density of 1.6 mW cm −2 in comparison with commercial PtRu/C (1.13 mW cm −2 )32. Cheng Chuan Chen et al 10. prepared Pd-Bi/C electrocatalyst by one-pot polyol method and the maximum power density is 1.42 mW cm −2 .…”

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confidence: 99%

Pt-Bi decorated nanoporous gold for high performance direct glucose fuel cell

Hong

Yin

Yan

et al. 2016

Sci Rep

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“…15,16 C 6 H 12 O 6 is fed directly to the anode of a DGFC, which can produce 24 electrons via full electrooxidation to CO 2. Pd, 20 Pd-Au, 21,22 Pd-Bi, 23 CuO-ZnO nano-flowers, 24 MnOx/NiOx, 25 Pd-SnCoOx, 26 Fe-Ni-Co, 27 and Au-Pt-Pd 28 catalysts have been investigated and evaluated as anode catalysts for DGFCs. 19 In most studies, researchers have attempted to develop efficient and stable electrocatalysts for C 6 H 12 O 6 electrooxidation in the alkaline environment.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of in situ N‐, S‐, and B‐doped few‐layer graphene by chemical vapor deposition technique and their superior glucose electrooxidation activity

2019

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Summary At present, N‐, S‐, and B‐doped grapheme‐modified indium tin oxide (ITO) electrodes are produced and doping method effect on the glucose electrooxidation is investigated. Firstly, few‐layer graphene is produced by chemical vapor deposition (CVD) method. Then, N, S, and B doping is carried out after graphene produced by CVD to prepare N‐doped, B‐doped, and S‐doped few‐layer graphene. N, S, and B doping is carried out by two different ways as (a) doping after synthesis of few‐layer graphene and (b) in situ doping during few‐layer graphene production. These materials are characterized by X‐ray diffraction, scanning electron microscopy‐energy (SEM), Raman spectroscopy, and X‐ray photoelectron spectroscopy (XPS). One could note that graphene and nitrogen networks are clearly visible from SEM images. Raman spectra show that B, N, and S are doped on few‐layer graphene/ITO successfully. XPS results of graphene, N‐doped graphene, and in situ N‐doped graphene reveal that graphene and nitrogen atoms used in the preparation of the electrodes obtain mainly in their elemental state. Then, these N‐, S‐, B‐doped and in situ N‐, S‐, B‐doped few‐layer graphene materials are coated onto indium tin oxide (ITO) to obtain N‐, S‐, B‐doped and in situ N‐, S‐, B‐doped ITO electrodes for glucose (C6H12O6) electrooxidation. C6H12O6 electrooxidation measurements are investigated with cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy measurements. As a result, in situ N‐doped few‐layer graphene/ITO electrode displays the best C6H12O6 electrooxidation activity with 9.12 mA.cm−2 current density compared with other N‐, S‐, B‐doped graphene and in situ doped S and B grapheme‐modified ITO electrodes. Furthermore, this current density value for in situ N‐doped few‐layer graphene/ITO is highly above the values reported in the literature. In situ N‐doped few‐layer graphene/ITO electrode is a promising electrode for C6H12O6 electrooxidation because it exhibits the best electrocatalytic activity, stability, and resistance compared with other electrodes.

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“…The electrocatalytic glucose oxidation reaction (GOR) is of particular interest, since it relates to the elemental reactions of direct glucose fuel cells [14][15][16], implantable fuel cells [17,18], and glucose sensors [19][20][21]. Various noble metals, such as platinum [22,23], palladium [24,25], and gold [26,27] show activity for this reaction and have been used as electrodes for GOR electrocatalysis in alkaline media.…”

Section: Introductionmentioning

confidence: 99%