Anode analysis and modelling hydrodynamic behaviour of the multiphase flow field in circular PEM water electrolyzer

被引：19
|
作者：
Ni, Aleksey [1 ,2 ]
Upadhyay, Mukesh [1 ,2 ]
Kumar, S. Shiva [1 ,2 ]
Uwitonze, Hosanna [1 ,2 ]
Lim, Hankwon [1 ,2 ,3 ]
机构：
[1] Ulsan Natl Inst Sci & Technol UNIST, Sch Energy & Chem Engn, 50 UNIST Gil, Ulsan 44919, South Korea
[2] Ulsan Natl Inst Sci & Technol UNIST, Carbon Neutral Demonstrat & Res Ctr, 50 UNIST Gil, Ulsan 44919, South Korea
[3] Ulsan Natl Inst Sci & Technol, Grad Sch Carbon Neutral, 50 UNIST Gil, Ulsan 44919, South Korea
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 43期
基金：
新加坡国家研究基金会;
关键词：
PEM water Electrolyser; Computational fluid dynamics; Anode flow field; Multiphase flow; EXCHANGE MEMBRANE ELECTROLYZER; HYDROGEN; SIMULATION; TECHNOLOGIES;
D O I：
10.1016/j.ijhydene.2023.01.032
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A numerical study of the behaviour of the multiphase flow of an anode-porous transport layer of an aqueous electrolyzer with a proton-exchange membrane (PEM) of an aqueous electrolyzer is presented. A mixture model was used to study the flow behaviour in a circular-shaped anode box to determine the efficient design of a PEM water electrolyzer. As a result of the simulation, it was found that the model pressure drop profiles obtained by computational fluid dynamics (CFD) are in good agreement with the corresponding experimental data. In addition, the performance profile was predicted considering various PEM water electrolyzer cell improvement factors compared to the Bassline model. The results of the behaviour of two-phase flows with different velocity, pressure and volume fraction profiles, as well as with porous regions in the centre, are presented, which showed a key difference in the flow profile for various inlet and outlet flow configurations. In addition, the flow volume fraction behaviour was obtained at higher and lower water and oxygen rates. Three-dimensional (3D) modelling predicted flow characteristics for three
引用
收藏
页码：16176 / 16183
页数：8
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