Optimal design of a novel M-like channel in bipolar plates of proton exchange membrane fuel cell based on minimum entropy generation

Wan, Zhongmin; Quan, Wenxiang; Yang, Chen; Yan, Hanzhang; Chen, Xi; Huang, Taiming; Wang, Xiao‐Dong; Chan, Siewhwa

doi:10.1016/j.enconman.2019.112386

Cited by 48 publications

(10 citation statements)

References 44 publications

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“…The wave channels were further improved by the M‐flow channels which generated lower entropy with same pumping energy and 21.3 % high power density [23] . In M‐flow channels, the thickness of blockage and height of obstacle increased the reactant flow in the direction of the wall along with higher mass and heat transfer rates.…”

Section: Effects Of Different Flow Field Designsmentioning

confidence: 99%

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Performance Studies of Proton Exchange Membrane Fuel Cells with Different Flow Field Designs – Review

Marappan¹,

Palaniswamy

Velumani

et al. 2021

The Chemical Record

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Proton Exchange Membrane Fuel Cell (PEMFC) is majorly used for power generation without producing any emission. In PEMFC, the water generated in the cathode heavily affects the performance of fuel cell which needs better water management. The flow channel designs, dimensions, shape and size of the rib/channel, effective area of the flow channel and material properties are considered for better water management and performance enhancement of the PEMFC in addition to the inlet reactant's mass flow rate, flow directions, relative humidity, pressure and temperature. With the purpose of increasing the output energy of the fuel cell, many flow field designs are being developed continuously. In this paper, the performance of various conventional, modified, hybrid and new flow field designs of the PEMFC is studied in detail. Further the effects of channel tapering, channel bending, landing to channels width ratios, channel cross‐sections and insertion of baffles/blockages/pin‐fins/inserts are reviewed. The power density of the flow field designs, the physical parameters like active area, dimensions of channel/rib, number of channels; and the operating parameters like temperature and pressure are also tabulated.

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Section: Effects Of Different Flow Field Designsmentioning

confidence: 99%

“… Power density curves of (a) Trap channel (blue line) and straight channel (square shaped curve), [19] (b) Wave and straight channels, [21] (c) Bio inspired wavy (optimal channel) and straight channel, [22] (d) Wave and M channels [23] …”

Section: Performance Comparison Of Various Flow Fields By Using Numermentioning

confidence: 99%

Performance Studies of Proton Exchange Membrane Fuel Cells with Different Flow Field Designs – Review

Marappan¹,

Palaniswamy

Velumani

et al. 2021

The Chemical Record

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“…Experimental and numerical works were both conducted, and the proposed flow field could increase oxygen concentration and reduce water saturation at the under-shoulder region by the enhancement of cross-flow between adjacent channels. Wan et al [12] proposed a M-like channel. Different from the wave-like channel that had a series of arc-shaped blocks along the channel, the M-like channel had two arc-shaped columns in the cross-section of the channel.…”

Section: Es Energy and Environmentmentioning

confidence: 99%

“…[6] Furthermore, cathode flow field optimization is critical due to the significance of sufficient oxygen supply of the cathode. [7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22][23] Trogadas et al [7] designed a lung-inspired flow field for the cathode, namely a fractal flow field with multi-level gas distribution, to achieve uniform reactant distribution in the activation plane and minimize the entropy production. The proposed flow field plate was processed by additive manufacturing.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation of a Novel Cathode Matrix Flow Field in Proton Exchange Membrane Fuel Cell

Wang¹,

Sun²,

Xie³

et al. 2021

ES Energy Environ.

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Scaling relationsThe flow field design is critical for the proton exchange membrane fuel cell optimization, and a novel cathode matrix flow field is experimentally investigated in this work. The results show that the cell with the matrix flow field has better performance than that with the conventional parallel and serpentine flow fields, especially at high relative humidity (75% higher current density at 0.6 V and 100% relative humidity). Furthermore, the pressure drop of the matrix flow field is much less than that of the serpentine flow field. But the matrix flow field shows worse liquid discharge capacity than the serpentine flow field. Decreasing the single block area in the investigated range will increase the ohmic loss but greatly decrease the activation loss that highlights the advantages of the matrix flow field. For visualization of water discharge, the smaller single block leads to more water accumulation at the corners of the flow field. Therefore, sub-regions and compulsive gas distribution should be considered if the matrix flow field is applied in large-scale fuel cells. The matrix flow field with the compact block arrangement shows reduced ohmic and activation losses by the large conductive area and enhanced air guidance effect in the investigated range.

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“…Nguyen 6 introduced a design to improve the mass transfer rate of reactants and reduce water accumulation in the cathode. Wan et al 7 evaluated the geometry of M‐shaped bipolar plates and compared them to a wavy channel. Ahmadi et al 8,9 investigated the effects of parallel and reverse gas flows on the performance of a PEM fuel cell.…”

Section: Introductionmentioning

confidence: 99%

Performance improvement ofproton‐exchangemembrane fuel cells through different gas injection channel geometries

Ashrafi

Pourmahmoud

Mirzaee

et al. 2022

Intl J of Energy Research

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The performance of proton-exchange membrane (PEM) fuel cells is strongly dependent on the geometry, flow channel configuration, and size. The present work numerically studies the performance of PEM fuel cells through the design of gas injection channels of different geometries. Computational fluid dynamics was adopted to solve the governing equations. The finite volume method was used to discretize and solve the equations. The channel geometries included spiral quasi (Model A), parallel (Model B), and pin (Model C), which have the same dimensions as the base serpentine model. The performance of the system was validated using the base model, and the simulation was carried out at a voltage of 0.6 V. The present study primarily aimed to utilize novel PEM fuel cell designs and improve their performance. The highest current density and output power were found to occur in Model C, whereas Model B had the lowest current density and output power. The temperature distribution was uniform in Model C and the base model. Moreover, Model C had the lowest water production; therefore, water immersion would not interrupt the fuel cell. On the other hand, Model B was observed to experience the largest liquid water generation, leading to an interrupted fuel cell. Model C had the lowest pressure loss and, therefore, lower power was required to pump gasses through the channel. It was found that Models C and B had the highest and lowest performances, respectively.

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Optimal design of a novel M-like channel in bipolar plates of proton exchange membrane fuel cell based on minimum entropy generation

Cited by 48 publications

References 44 publications

Performance Studies of Proton Exchange Membrane Fuel Cells with Different Flow Field Designs – Review

Performance Studies of Proton Exchange Membrane Fuel Cells with Different Flow Field Designs – Review

Experimental Investigation of a Novel Cathode Matrix Flow Field in Proton Exchange Membrane Fuel Cell

Performance improvement ofproton‐exchangemembrane fuel cells through different gas injection channel geometries

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