A Practical Approach in Glycerol Oxidation for the Development of A Glycerol Fuel Cell

Pulido, Diego Fernando Quintero; Kortenaar, Marnix V. ten; Hurink, Johann L.; Smit, Gerard J. M.

doi:10.21767/2471-9889.100018

Cited by 12 publications

(16 citation statements)

References 34 publications

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“…[21] Figure 1-b shows the oxidation of glycerol in 1 M H 2 SO 4 on Pt and PtRu catalysts only as Pd and PdNi were not active in acid media for alcohol oxidation which was also been reported in the literature. [8][9][10][11]24] In contrast to Zhang et al [5] who reported that Pt had higher activity towards glycerol oxidation than Pd in alkaline media. A rapid decrease in oxidation current was seen from cycle 1 to 3 (see Figure SI-4) with no oxidation peak current at 3 rd cycle as can be seen from Figure 1-b.…”

Section: Alcohol Oxidation Tests In Acidic and Alkaline Mediamentioning

confidence: 89%

“…It can be seen that GOR is more favorable with higher oxidation current density peaks (j p ) and lower onset potentials (OSPs, measured at 0.1 mA cm À 2 ) in alkaline media than in acidic media. [8][9][10][11]24] The lowest OSP of 284 mV vs RHE has been achieved by PtRu in alkaline media (see Table 1). While Pd-based catalyst showed favorably the highest j p for GOR followed by PdNi in alkaline media, it also showed undesirable higher OSPs than those using Pt-based catalysts (see Table 1) in agreement with reports in literature.…”

Section: Alcohol Oxidation Tests In Acidic and Alkaline Mediamentioning

confidence: 99%

“…[4,9] However, there remain several challenges to address before they can be implemented widely, for instances, methanol is toxic and ethanol is highly volatile, rendering them of high concerns under operation conditions, [4][5][6]9] slow reaction kinetics of methanol and ethanol oxidations and electrode poisoning at low temperature, and alcohol crossover (requiring high precious metal catalyst loading at the cathode to minimize its impact on decreasing its open-circuit potential and consequently result in high system cost). [4,5,[8][9][10][11] Also, glycerol is generated as a by-product from biodiesel production, [8,[10][11][12] and it is usually used in pharmaceutical, cosmetic, agrochemical and food industries. It has a high energy density of 6.26 kWh À l , [4,8,10] non-toxic, non-flammable, with low -volatility.…”

Section: Introductionmentioning

confidence: 99%

“…[10,11,13] Pt-based catalysts are of better kinetics but suffer from poisoning by CO. [7,11] Pd-based catalyst can catalyze several alcohol electro-oxidation, in alkaline media. [10,11,13] Pt-based catalysts are of better kinetics but suffer from poisoning by CO. [7,11] Pd-based catalyst can catalyze several alcohol electro-oxidation, in alkaline media.…”

Section: Introductionmentioning

confidence: 99%

“…It has a high energy density of 6.26 kWh À l , [4,8,10] non-toxic, non-flammable, with low -volatility. [4,5,[8][9][10][11] Also, glycerol is generated as a by-product from biodiesel production, [8,[10][11][12] and it is usually used in pharmaceutical, cosmetic, agrochemical and food industries. [13] Therefore, glycerol can readily be used in DAFCs as an inexpensive, renewable, and environmental-friendly fuel.…”

Section: Introductionmentioning

confidence: 99%

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Direct Glycerol Fuel Cells: Comparison with Direct Methanol and Ethanol Fuel Cells

et al. 2019

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The direct oxidation reaction of glycerol (GOR) was studied and compared to that of methanol (MOR) and ethanol (EOR) in both acid and alkaline media using commercial Pt/C, PtRu/C, Pd/C and PdNi/C electrocatalysts. The results show that GOR and MOR in alkaline media is better than that in acid media, in contrast to ethanol. Among the studied catalysts, PtRu/C showed the lowest onset potential and the highest catalytic activity for GOR and MOR in alkaline media, providing the lowest onset potential and a Tafel slope (TS) of 63 mV dec À 1 , which could be attributed to the high surface poisoning tolerance. In fuel cells, the open circuit voltage of alkaline anion exchange membrane fuel cells (AEMFCs) was higher than that of the proton exchange membrane fuel cells (PEMFCs). In the kinetic region (up to 20 mA cm À 2 ), the power density and cell performance were higher for AEMFCs than those of PEMFCs. However, the power density peaks were higher for PEMFCs than those for AEMFCs. Both the cell performance and the power density increased with increasing temperature. Regardless of the temperature and the media, glycerol crossover is comparable to that of ethanol but much less than that of methanol.

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Section: Alcohol Oxidation Tests In Acidic and Alkaline Mediamentioning

confidence: 89%

Section: Alcohol Oxidation Tests In Acidic and Alkaline Mediamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Direct Glycerol Fuel Cells: Comparison with Direct Methanol and Ethanol Fuel Cells

et al. 2019

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Research and innovation in the electrocatalyst development toward glycerol oxidation reaction

2021

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Direct glycerol fuel cell (DGFCs) is an interesting type of fuel cell that can produce energy and high-end chemicals using excess and less expensive fuel, glycerol. The commercialization of DGFCs meets with many challenges, especially on its catalyst development. Common catalysts usually tested in DGFCs are platinum-based (Pt) and palladium-based catalyst (Pd). The expensive value of the noble metal such as Pt and Pd becomes a limitation towards the commercialization. This review shows and summarizes numerous improvements achieved on the anode catalyst for GOR to reduce the noble metal dependency while maximizing the activity performance, durability-stability, and GOR yield selectivity on certain valuable chemicals introducing multiple optimized syntheses methods with timesaving and cost-effective benefits. Finally, this review proposes the next direction of catalyst development to be taken in the future based on the recent developments and innovations implemented and tested.

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Superior Electrocatalytic Performance of Au‐Pt Graded Nano‐Alloys Towards Alcohol Oxidation Reaction

Prabu

Jeyakumar

2018

ChemistrySelect

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The electro‐oxidation of methanol, ethanol and glycerol on Au100‐xPtx/C (‘x’=7.0‐86) graded nano‐alloy modified glassy carbon electrode was investigated at cyclic voltammetry. Prepared Au77Pt23/C alloy showed highest electrocatalytic activity, with mass activity of 572 mA mg−1 of Pt for methanol oxidation reaction (MOR) and high mass activity of 750 mA mg−1 of Pt for ethanol oxidation reaction (EOR). Au69Pt31/C alloy exhibited higher mass activity of 221 mA mg−1 of Pt for glycerol oxidation reaction (GOR). The results indicate that the surface enrichment of Pt in Au100‐xPtx/C graded nano‐alloy enhanced the alcohol oxidation. We also tested the Au100‐xPtx/C anode catalyst for full cell direct methanol fuel cell (DMFC). While using the low amount of Au60Pt40/C anode catalyst (1 mg cm−2) in DMFC that exhibited maximum power density of 30 mW cm−2 at 70 °C, which is comparable to Pt−Ru/C anode catalyst. This remarkable electro‐catalytic performance of Au100‐xPtx/C graded nano‐alloy will make alternate materials for commercial Pt−Ru/C catalysts.

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A Practical Approach in Glycerol Oxidation for the Development of A Glycerol Fuel Cell

Cited by 12 publications

References 34 publications

Direct Glycerol Fuel Cells: Comparison with Direct Methanol and Ethanol Fuel Cells

Direct Glycerol Fuel Cells: Comparison with Direct Methanol and Ethanol Fuel Cells

Research and innovation in the electrocatalyst development toward glycerol oxidation reaction

Superior Electrocatalytic Performance of Au‐Pt Graded Nano‐Alloys Towards Alcohol Oxidation Reaction

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