Passive direct alcohol fuel cell using methanol and 2-propanol mixture as a fuel

Munjewar, Seema S.; Thombre, Shashikant B.; Patil, Awanikumar P.

doi:10.1007/s11581-018-2627-y

Cited by 14 publications

(11 citation statements)

References 28 publications

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“…Thus, their study is of interest for the development and evaluation of thermodynamic models for the description of the mixing behavior of polar solutions. Further, mixtures containing alcohols are an important field of investigation due to their use as sustainable energy carriers. , …”

Section: Introductionmentioning

confidence: 99%

Density and Partial Molar Volumes of the Liquid Mixture Water + Methanol + Ethanol + 2-Propanol at 298.15 K and 0.1 MPa

2021

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The density of the quaternary mixture water + methanol + ethanol + propan-2-ol and its four ternary and six binary subsystems is measured over a wide composition range at ambient temperature and pressure, that is, 298.15 K and 0.1 MPa. The resulting molar volume data are correlated with a response surface model, consisting of linear, quadratic, bilinear, and trilinear interaction terms. The density values obtained with this correlation are compared to molecular simulation results and experimental literature data. Further, the excess molar volume and the partial molar volumes are determined for the ternary and quaternary mixtures. The analytical solution for the partial molar volumes of a quaternary mixture for the response surface model is also given.

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Section: Introductionmentioning

confidence: 99%

Density and Partial Molar Volumes of the Liquid Mixture Water + Methanol + Ethanol + 2-Propanol at 298.15 K and 0.1 MPa

2021

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“…9,10 However, as a result of the slow reaction kinetics of conventional liquid fuels oxidation reaction, poor performance, such as low peak power density, is a major limitation of these passive liquid fuel cells. 11,12 To boost the performances of passive liquid fuel cells, it is thus of paramount importance to explore alternative fuels with better reactivity.…”

Section: Introductionmentioning

confidence: 99%

“…As a result of the increasing needs of renewable energy, the development of sustainable power generation systems has become a major research direction and drawn worldwide attention. In comparison to other existing technologies, fuel cell technology has been acknowledged as a promising candidate and utilized in numerous applications including electric vehicles, mobile devices, and even power stations. − Among the various types of fuel cell, direct liquid fuel cells, attributed to their high energy density and ease of fuel handling, have been extensively studied. , Nevertheless, to realize the commercialization of direct liquid fuel cells, especially in small devices such as mobile phones and laptops, it is necessary to minimize or completely eliminate auxiliary equipment such as pumps, air blowers, and heat controllers from the system. − Passive fuel cells, using diffusion and natural convection for fuel delivery, have therefore received extensive studies in recent years. , However, as a result of the slow reaction kinetics of conventional liquid fuels oxidation reaction, poor performance, such as low peak power density, is a major limitation of these passive liquid fuel cells. , To boost the performances of passive liquid fuel cells, it is thus of paramount importance to explore alternative fuels with better reactivity.…”

Section: Introductionmentioning

confidence: 99%

A Passive Fuel Cell Fed with an Electrically Rechargeable Liquid Fuel

Shi

Dai

Esan

et al. 2021

ACS Appl. Mater. Interfaces

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Passive fuel cells, using diffusion and natural convection for fuel delivery, are regarded as promising candidates for powering portable devices including mobile phones and laptops. However, the performance of passive fuel cells which employ typical liquid alcohol fuels are still limited, which thereby greatly hampered their commercialization progress. Recently, a novel concept named the electrically rechargeable liquid fuel (e-fuel), with its rechargeability, cost-effectiveness, and superior reactivity, has attracted increasing attention. In this study, a passive fuel cell using the liquid e-fuel and the ambient air for electricity production is designed and fabricated. This passive fuel cell is demonstrated to achieve a peak power density of 116.2 mW cm −2 along with a stable operation for over 350 h, exhibiting great prospect for future applications.

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“…In addition, the methanol infrastructure is well established and safer, unlike hydrogen. [9]. Low boiling point (65 • C), high flammability, and ability to flow through the membrane from the anode to the cathode side (i.e., high crossover) are the limitations of using methanol as a fuel for DAFCs, because the chemical oxidation of methanol and the fuel crossover throughout DMFC operation culminates in a reduced power output, which substantially limits the widespread usage of DMFCs.…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, the methanol feed is diluted with CO 2 and probably nitrogen, which may comprise CO traces that act as a catalyst poison [10]. CO could be removed from fuel feed using water gas shift and oxidation reactors; however, the removal adversely affects the system efficiency and leads to an increase in volume, weight, start-up period, and response to variations in energy demand of the system [9,11]. Ethanol, on the other hand, can be used as an alternative fuel because of its advantages such as higher energy density than methanol, and its relatively low toxicity.…”

Section: Introductionmentioning

confidence: 99%

A Critical Assessment on Functional Attributes and Degradation Mechanism of Membrane Electrode Assembly Components in Direct Methanol Fuel Cells

2021

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Direct methanol fuel cells (DMFC) are typically a subset of polymer electrolyte membrane fuel cells (PEMFC) that possess benefits such as fuel flexibility, reduction in plant balance, and benign operation. Due to their benefits, DMFCs could play a substantial role in the future, specifically in replacing Li-ion batteries for portable and military applications. However, the critical concern with DMFCs is the degradation and inadequate reliability that affect the overall value chain and can potentially impede the commercialization of DMFCs. As a consequence, a reliability assessment can provide more insight into a DMFC component’s attributes. The membrane electrode assembly (MEA) is the integral component of the DMFC stack. A comprehensive understanding of its functional attributes and degradation mechanism plays a significant role in its commercialization. The methanol crossover through the membrane, carbon monoxide poisoning, high anode polarization by methanol oxidation, and operating parameters such as temperature, humidity, and others are significant contributions to MEA degradation. In addition, inadequate reliability of the MEA impacts the failure mechanism of DMFC, resulting in poor efficiency. Consequently, this paper provides a comprehensive assessment of several factors leading to the MEA degradation mechanism in order to develop a holistic understanding.

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Passive direct alcohol fuel cell using methanol and 2-propanol mixture as a fuel

Cited by 14 publications

References 28 publications

Density and Partial Molar Volumes of the Liquid Mixture Water + Methanol + Ethanol + 2-Propanol at 298.15 K and 0.1 MPa

Density and Partial Molar Volumes of the Liquid Mixture Water + Methanol + Ethanol + 2-Propanol at 298.15 K and 0.1 MPa

A Passive Fuel Cell Fed with an Electrically Rechargeable Liquid Fuel

A Critical Assessment on Functional Attributes and Degradation Mechanism of Membrane Electrode Assembly Components in Direct Methanol Fuel Cells

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