The Performance of Electron-Mediator Modified Activated Carbon as Anode for Direct Glucose Alkaline Fuel Cell

Li, Zi; Liu, Xianhua; Liu, Peng; Zhang, Pingping

doi:10.3390/catal6070095

Cited by 15 publications

(6 citation statements)

References 30 publications

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“…There are three fundamental sources of voltage loss in fuel cells: charge transfer activation or “kinetic” losses, ion and electron transport or “ohmic” losses, and concentration or “mass transfer” losses . EIS can be used to separate and quantify these sources of polarization within the fuel cell , . The EIS measurement of the anode provides information that allows analyzing electrochemical reactions on anode, as well as surface and material properties of anode.…”

Section: Resultsmentioning

confidence: 99%

Direct Electricity Generation from Dissolved Cellulosic Biomass in an Alkaline Fuel Cell

et al. 2018

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Cellulose, which accounts for more than half of the carbon content in plants, has become a popular feedstock for biofuel production. In this work, direct electricity generation from dissolved cellulosic biomass in an alkaline fuel cell is explored without energy‐intensive process. The effect of different cellulose dissolution solvents on the electricity production is investigated. Results show dissolution treatment can remarkably affect the fuel cell performance. When NaOH/urea/thiourea is chosen as a solvent, the specific capacity of cellulose is about sixfold higher than that using only NaOH as solvent. The limiting current density and the maximum power density reach 0.85 mA cm−2 and 0.07 mW cm−2, respectively. This power density surpasses those of any existing biotic or abiotic designs. Electrochemical characterizations demonstrate that the remarkable activity improvement towards the cellulose oxidation reaction in NaOH/urea/thiourea aqueous solution is due to the lower charger transfer resistance and higher energy transfer efficiency.

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Section: Resultsmentioning

confidence: 99%

Direct Electricity Generation from Dissolved Cellulosic Biomass in an Alkaline Fuel Cell

et al. 2018

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“…The order of slope is: Fe/Pd@CNT≈Fe@CNTs@Pd<blank CNTs. The polarization is more serious and the reaction resistance of material is larger when the curve becomes steeper [ 38 ]. The polarization degree of blank CNTs was much higher than that of Fe@CNTs@Pd and Fe/Pd@CNTs, illustrating that the resistance of blank CNTs was much higher than that of Fe@CNTs@Pd and Fe/Pd@CNTs in the reaction.…”

Section: Resultsmentioning

confidence: 99%

Preparation of palladized carbon nanotubes encapsulated iron composites: highly efficient dechlorination for trichloroethylene and low corrosion of nanoiron

Wang

et al. 2018

R. Soc. open sci.

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A method developed based on the capillary effect and capillary condensation theory was used to synthesize an innovative Fe/C/Pd composite in this study. This composite (Fe@CNTs@Pd) consists of carbon nanotubes (CNTs) with nanoscale zerovalent iron (NZVI) on the inner surface and palladium nanoparticles supported on the outer surface of CNTs. This structure successfully addresses the problems of high iron corrosion rate and lower utilization rate of hydrogen in the application of bimetal nanoparticles for trichloroethylene (TCE) removal. TCE degradation experiments and electrochemical tests were conducted to investigate the material properties and reaction mechanisms of the composite. It is found that the prepared composite material contribute a high level of TCE dechlorination rate and substantially reduced hydrogen production during iron corrosion in water compared with the conventional CNTs-supported bimetal materials (Fe/Pd@CNTs). Hydrogen spillover effect helps the reactivity of Fe@CNTs@Pd for TCE degradation and suppressed the galvanic cell effect, which results in a stronger resistance to corrosion. Although the Kobs of Fe@CNTs@Pd was 16.87% lower than that of Fe/Pd@CNTs, the hydrogen production rate of Fe@CNTs@Pd was 10 times slower than that of Fe/Pd@CNTs. Therefore, Fe@CNTs@Pd shows a significant reduction in the corrosion rate at a cost of slightly slower degradation of TCE. In sum, the prepared composites demonstrate important characteristics, including alleviating NZVI agglomeration, maintaining high TCE removal efficiency and reducing the corrosion of NZVI.

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“…Due to the limitations of MGFCs and EGFCs, many efforts also have been devoted to developing AGFCs [9,11,[48][49][50][51][52]. AGFCs use abiotic catalysts to catalyze the glucose oxidation, such as metals, metal oxides, metal sulfides and carbon-based nanomaterials [53][54][55][56][57][58].…”

Section: Gfc Typesmentioning

confidence: 99%

“…Inspired by the nature, researchers have long considered developing glucose fuel cells (GFCs) with glucose as fuel [7][8][9][10][11][12][13]. After complete oxidation, glucose can release 2.87 MJ mol −1 energy [2].…”

Section: Introductionmentioning

confidence: 99%

Glucose Fuel Cells and Membranes: A Brief Overview and Literature Analysis

Liu

2022

Sustainability

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Glucose is a ubiquitous source of energy for nearly all living things, and glucose fuel cells (GFCs) are regarded as a sustainable power source because glucose is renewable, easily available, cheap, abundant, non-toxic and easy-to-store. Numerous efforts have been devoted to developing and improving GFC performance; however, there is still no commercially viable devices on the market. Membranes play an essential role in GFCs for the establishment of a suitable local microenvironment, selective ion conducting and prevention of substrate crossover. However, our knowledge on them is still limited, especially on how to achieve comparable efficacy with that of a biological system. This review article provides the first brief overview on these aspects, particularly keeping in sight the research trends, current challenges, and the future prospects. We aim to bring together literature analysis and technological discussion on GFCs and membranes by using bibliometrics, and provide new ideas for researchers in this field to overcome challenges on developing high-performance GFCs.

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The Performance of Electron-Mediator Modified Activated Carbon as Anode for Direct Glucose Alkaline Fuel Cell

Cited by 15 publications

References 30 publications

Direct Electricity Generation from Dissolved Cellulosic Biomass in an Alkaline Fuel Cell

Direct Electricity Generation from Dissolved Cellulosic Biomass in an Alkaline Fuel Cell

Preparation of palladized carbon nanotubes encapsulated iron composites: highly efficient dechlorination for trichloroethylene and low corrosion of nanoiron

Glucose Fuel Cells and Membranes: A Brief Overview and Literature Analysis

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