Achieving high-efficiency hydrogen production using planar solid-oxide electrolysis stacks

被引：61

作者：

Li, Qingshan ^{[1
]}

Zheng, Yifeng ^{[1
]}

Guan, Wanbing ^{[1
]}

Jin, Le ^{[1
]}

Xu, Cheng ^{[1
]}

Wang, Wei Guo ^{[1
]}

机构：

[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2014年 / 39卷 / 21期

关键词：

Solid oxide electrolysis cell; Hydrogen production; System efficiency; High-temperature electrolysis; HIGH-TEMPERATURE ELECTROLYSIS; WATER ELECTROLYSIS; CELLS; PERFORMANCE; DEGRADATION; BIOMASS;

D O I：

10.1016/j.ijhydene.2014.05.070

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：

Steam electrolysis in solid oxide electrolysis cells (SOECs) is considered as an effective method to achieve high-efficiency hydrogen production. In the present investigation, samples of 1-cell, 2-cell and 30-cell SOEC stacks were tested under electrolysis of steam to give a practical evaluation of the SOEC system efficiency of hydrogen production. The samples were tested at 800 degrees C under various operating conditions up to 500 h without significant degradation, and obtained steam conversion rates of 12.4%, 23% and 82.2% for the 1-cell, 2-cell and 30-cell stacks, respectively. System efficiencies of hydrogen production were calculated for the samples based on their real performance. A maximum efficiency value of 52.7% was achieved in the 30-cell stack. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：10833 / 10842

页数：10

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