Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell
Xu, ZL; Zhang, XW; Li, GJ; Xiao, GP; Wang, JQ
2017
发表期刊INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
ISSN0360-3199
卷号42期号:16页码:10785-10801
文章类型期刊论文
摘要The performances of the solid oxide electrolyzer cells (SOECs) are closely tied to the designs of gas flow configurations. This paper performed a numerical comparative investigation on a planar SOEC with the co-flow, counter-flow, and cross-flow configurations. The experimental measurements for I-V curve were conducted and compared to the simulations for model validation. Based on the 3-dimensional numerical simulations, the distribution characteristics of the species mass fractions, temperature, current density, Nernst potential, and activation polarizations for variant gas flow configurations were analyzed and compared in detail. The intrinsic relationships and mutual effects between these parameters were examined. The simulation results show that the operating temperature gradient of the counter-flow configuration is smaller than that of co-flow and cross-flow, which is favorable for the durability of the cells. The distributions of the current density and activation polarizations in the case of cross-flow configuration appear in checkerboard characteristic. Compared to the co-flow and counter-flow, the cross-flow configuration obtains the best performance under the same boundary conditions as it produces the most hydrogen under the same boundary conditions. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
关键词High-temperature Electrolysis Hydrogen-production Nuclear-energy Steam Electrolysis Fuel-cell Electrochemical Model Numerical-simulation Soec Mode Sofc Stacks
DOI10.1016/j.ijhydene.2017.02.097
关键词[WOS]HIGH-TEMPERATURE ELECTROLYSIS ; HYDROGEN-PRODUCTION ; NUCLEAR-ENERGY ; STEAM ELECTROLYSIS ; FUEL-CELL ; ELECTROCHEMICAL MODEL ; NUMERICAL-SIMULATION ; SOEC MODE ; SOFC ; STACKS
收录类别SCI
语种英语
WOS记录号WOS:000403381400009
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28584
专题中科院上海应用物理研究所2011-2018年
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GB/T 7714
Xu, ZL,Zhang, XW,Li, GJ,et al. Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell[J]. INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,2017,42(16):10785-10801.
APA Xu, ZL,Zhang, XW,Li, GJ,Xiao, GP,&Wang, JQ.(2017).Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell.INTERNATIONAL JOURNAL OF HYDROGEN ENERGY,42(16),10785-10801.
MLA Xu, ZL,et al."Comparative performance investigation of different gas flow configurations for a planar solid oxide electrolyzer cell".INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 42.16(2017):10785-10801.
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