Effect of the steam/hydrogen ratio on the performance of flat-tube solid oxide electrolysis cells for seawater

被引：7
|
作者：
Pan, Hu [1 ,2 ]
Wu, Anqi [2 ]
Au, Siu Fai [3 ]
Yang, Yiping [3 ]
Song, Zihan [2 ]
Liu, Zhao [2 ]
Gong, Xiwu [1 ]
Guan, Wanbing [2 ]
机构：
[1] Zhejiang Ocean Univ, Sch Naval Architecture & Maritime, Zhoushan 316022, Zhejiang, Peoples R China
[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Adv Fuel Cells & Electrolyzers Technol Zhe, Ningbo 315201, Zhejiang, Peoples R China
[3] Guangdong Power Grid Co Ltd, Guangzhou Power Supply Bur, 2 Tianhe Nan 2nd Rd, Guangzhou 510620, Guangdong, Peoples R China
来源：
SUSTAINABLE ENERGY & FUELS | 2023年 / 7卷 / 14期
关键词：
SUSTAINABLE SOLUTION; HYDROGEN; POLARIZATION; CATALYSTS; CATHODE; ENERGY;
D O I：
10.1039/d3se00351e
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：
This work investigated the durability of seawater electrolysis and degradation mechanism for hydrogen production at different seawater steam contents using a flat-tube solid oxide electrolysis cell (SOEC). The results showed that the cells ran stably for 1000 hours at 62 and 67% seawater steam contents with degradation rates of 48 mV kh(-1) and 129 mV kh(-1), respectively. The degradation at different seawater steam contents is mainly concentrated in the fuel electrode of the cell and is ascribed to the migration, agglomeration, and loss of Ni particles. This study effectively brings out the issues seen in the long-term application of solid oxide electrolysis cells in seawater environments.
引用
收藏
页码：3333 / 3341
页数：9
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