Pore-scale study of water and mass transport characteristic in anion exchange membrane fuel cells with anisotropic gas diffusion layer

Li, Fangju; Cai, Shanshan; Li, Song; Luo, Xiaobing; Tu, Zhengkai

doi:10.1016/j.energy.2024.130599

Cited by 5 publications

(1 citation statement)

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“…Accumulated water can block the flow channels, reduce the contact area between the electrodes and the reactants, and increase the pressure drop, reducing the cell performance and durability. On the other hand, insufficient water can result in the drying out of the membrane, causing a loss in its proton conductivity and its degradation over time [4,5]. Another challenge in water management is its spatial distribution within the fuel cell.…”

Section: Introductionmentioning

confidence: 99%

Numerical Analysis Of The Liquid Saturation At The Cathode Side Of A PEM Fuel Cell With Different Flow Paths

Ceballos,

Sierra,

Ordoñez

2024

Preprint

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The performance of fuel cells is greatly influenced by the design of the flow channels, making it one of the most significant factors impacting their overall performance. In this work, numerical simulations on serpentine, parallel, and interdigitated geometries are carried out using an open-source toolbox at 0.5, 0.4, and 0.3 V to observe the liquid water saturation distribution at the cathode side of a three-dimensional multiphase non-isothermal model of a Protonic Exchange Membrane Fuel Cell. The results indicate that the serpentine flow channel shows the maximum current density and the minimum saturation distribution. Also, it is shown that maximum saturation values are located at the edges of the membrane-electrode assembly. There is an important change in the ionic distribution which directly impacts the current density.

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Section: Introductionmentioning

confidence: 99%