Numerical study on the performance of fuel cell with wavy flow field plate
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ORIGINAL PAPER
Numerical study on the performance of fuel cell with wavy flow field plate Hao Hu 1 & Xiaoming Xu 1 & Nan Mei 1 & Guangyao Tong 1 Received: 22 May 2020 / Revised: 2 August 2020 / Accepted: 24 August 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Fuel cell is one of the most promising batteries at present. However, in order to successfully use fuel cell in vehicle, many improvements are still needed. Among them, the flow field plate of fuel cell has an important impact on the performance of fuel cell. In this paper, the influence of the wave channel on the internal pressure, current density, and water content of the fuel cell was studied. After analysis, the influence of the height of flow passage, the number of wave peaks, and wave amplitude on the cathode of the fuel cell was determined. The performance of the fuel cell was successfully improved, and the possible improvement direction of the cathode flow field plate of the fuel cell was further explored. Keywords Fuel cell . Wave flow field plate . Simulation . Multiphase flow . Water content
Introduction As one of the next generations of clean energy alternative to fossil fuel, fuel cell has been widely concerned. It can be used for carrying tools, portable mobile equipment, backup energy, and residential energy supply [1–3]. At present, water management and thermal management of fuel cells still greatly affect the performance of the battery, flooding [4] and dry with membrane will greatly affect the use of fuel cell. As a mean of forecasting and improving fuel cell, simulation plays an important role [5–8]. Roman V et al. studied the onedimensional two-phase model, realized the simulation of five-layer MEA, and included the mass transport process. The paper clearly showed that the influence of factors such as heat convection, gas convection, pressure-driven water penetration through the membrane, contact resistance, and contact thermal resistance was not considered [9]. Zhang et al. also successfully simulated the three-dimensional multiphase flow of fuel cell [10]. As an important structure of fuel cell, flow field plate has been fully developed [11]. Chowdhury et al. proposed a new design method for
* Xiaoming Xu [email protected] 1
School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China
converging and diverging flow field of serpentine flow field plate of single channel of PEM fuel cell [12]. Among them, as a way to improve the fuel cell, the wave flow field plate has been found to enhance the transmission of reaction gas in porous layer, improve the convective heat transfer effect, help the distribution of time temperature more uniform, and improve the output current of PEMFCs, but its wave shape was not well considered [13]. Eong ho Han et al. proved through experiments and simulations that when the bottom of the cathode channel is waved, the performance of the fuel cell is improved. At the same time, the baffle in the flow channel has also been proven to improve the moi
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