کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10625832 | 989634 | 2014 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Investigation of 30-cell solid oxide electrolyzer stack modules for hydrogen production
ترجمه فارسی عنوان
بررسی مولکولهای الکترولیز جامد اکسید جامد 30 سلولی برای تولید هیدروژن
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کلمات کلیدی
سلول الکترولیز اکسید جامد، تولید هیدروژن، پشته 30 سلولی، کارایی الکترولیز، بازده کنونی،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
سرامیک و کامپوزیت
چکیده انگلیسی
The 30-cell nickel-yttria stabilized zirconia (Ni-YSZ) hydrogen electrode-supported planar solid oxide electrolyzer (SOE) stack modules were manufactured and tested at 800 °C in steam electrolysis mode for hydrogen production. The electrolysis efficiency of the stack modules was higher than 100% at a total steam and hydrogen flow of 2.1 sccm cmâ2, a H2O/H2 ratio of 80/20, and a current density of <0.2 A cmâ2. The electrolysis efficiency, current efficiency, and actual hydrogen production rate of the stack modules increased with increasing H2O/H2 ratio at a constant current density. However, the electrolysis and current efficiencies decreased steadily at high current densities. During hydrogen production, the stack modules were operated at 800 °C and a constant current density of 0.15 A cmâ2 for up to 1100 h. A steam conversion rate of 62% and current efficiency of 87.4% were obtained; the actual hydrogen production rate reached as high as 103.6 N L hâ1. Post-mortem analysis showed that delamination of the LSM-YSZ oxygen electrode mainly occurred in the steam and air inlet area of the 10Ã10 cm2 cells.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ceramics International - Volume 40, Issue 4, May 2014, Pages 5801-5809
Journal: Ceramics International - Volume 40, Issue 4, May 2014, Pages 5801-5809
نویسندگان
Yifeng Zheng, Qingshan Li, Wanbin Guan, Cheng Xu, Wei Wu, Wei Guo Wang,