Numerical Simulation of Reversible Solid Oxide Fuel Cell Performance

doi:10.13675/j.cnki.tjjs.200393

Journal of Propulsion Technology ›› 2020, Vol. 41 ›› Issue (11): 2630-2640.DOI: 10.13675/j.cnki.tjjs.200393

• Ship Propulsion • Previous Articles

Numerical Simulation of Reversible Solid Oxide Fuel Cell Performance

1.Faculty of Maritime and Transportation，Ningbo University，Ningbo 315832，China;2.Merchant Marine College，Shanghai Maritime University，Shanghai 201306，China

Online:2020-11-15 Published:2020-11-15

可逆固体氧化物燃料电池性能的数值模拟研究

冯祥¹，杨超^1,2，梁超余¹，韩越¹，李欣珂¹，郑建民¹，袁金良¹

1.宁波大学海运学院，浙江宁波 315832;2.上海海事大学商船学院，上海 201306

作者简介:冯　祥，硕士生，研究领域为燃料电池数值模拟。E-mail：619892104@qq.com
基金资助:
浙江省新苗人才计划（2019R405076）；研究生科研创新基金（G19114）；宁波科技创新重大专项（2019B10043）。

Abstract

Abstract: To investigate the macroscopic properties of reversible solid oxide fuel cells （rSOFC）， the fluid mechanics was used to describe rSOFC multi-physical transport processes， hydro-gas reactions （WGS） and electrochemical reactions. In addition， Ansys Fluent numerical model of two-dimensional single-channel rSOFC was established to study the effects of syngas fuel rSOFC electrode thickness and gas composition on current density， WGS reaction rate and fuel utilization. The predicted results show that both electrode thickness and gas composition have great influence on the rSOFC overall performance and WGS plays an important role in rSOFC reaction. Under the SOFC/SOEC（solid oxide electrolysis cell）dual operating mode， increasing of C/H ratio in the syngas fuel gases may improve uneven distribution of the current density and the electrochemical reactions.

Key words: Ship propulsion system;Fuel cell;Numerical simulation;Water-gas shift reaction;Optimization

摘要： 为了研究可逆固体氧化物燃料电池（rSOFC）的宏观性能，利用流体力学描述rSOFC多物理输运过程、水气反应（WGS）和电化学反应，并采用Ansys/Fluent建立了二维单通道rSOFC的数值模型，研究以合成气为燃料的rSOFC电极厚度和气体组分等因素对电流密度、WGS反应速率和燃料利用率等性能的影响。结果表明，电极的厚度和气体组分等参数对rSOFC宏观性能有较大影响；WGS在rSOFC反应过程中起着重要作用；在SOFC/SOEC（固体氧化物燃料电解池）双模式运行下，C/H元素比的增大会改善电流密度和电化学反应的不均匀分布。

关键词: 船舶推进系统;燃料电池;数值模拟;水气反应;优化

FENG Xiang¹, YANG Chao^1,2, LIANG Chao-yu¹, HAN Yue¹, LI Xin-ke¹, ZHENG Jian-min¹, YUAN Jin-liang¹. Numerical Simulation of Reversible Solid Oxide Fuel Cell Performance[J]. Journal of Propulsion Technology, 2020, 41(11): 2630-2640.

冯祥，杨超，梁超余，韩越，李欣珂，郑建民，袁金良. 可逆固体氧化物燃料电池性能的数值模拟研究[J]. 推进技术, 2020, 41(11): 2630-2640.

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Numerical Simulation of Reversible Solid Oxide Fuel Cell Performance

可逆固体氧化物燃料电池性能的数值模拟研究

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