کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4763769 | 1422970 | 2017 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Meticulous insight on the state of fuel in a solid oxide carbon fuel cell
ترجمه فارسی عنوان
بینش دقیق در مورد وضعیت سوخت در یک سلول سوخت کربن اکسید کربن
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کلمات کلیدی
کربن جامد، سلول سوختی، الکترولیت اکسید جامد، گاز دولتی سوخت،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
چکیده انگلیسی
In a solid oxide carbon fuel cell (SO-CFC), it has been widely believed that solid-state carbonaceous materials would directly take part in electrochemical reaction to generate electrons. Of late, however, it is predicted that further-oxidizable gas-state molecules, such as CO, hydrocarbons, play a crucial role in an SO-CFC operation. In this work, we controlled an anode chamber atmosphere by providing an inert purging gas to verify the role of carbon-induced gas-state molecules; that is, some experiments were carried out with a purging gas and the others were without a purging gas. Additionally, in some of the experiments, alumina wool was placed between carbon and a cell to prevent a solid-state fuel from reaching anode surface, i.e. alumina wool is a gas diffusion layer between a solid-state fuel and anode surface. As a result, maximum power density of 230Â mWÂ cmâ2 was obtained when the test was taken under no Ar without alumina wool; 80Â mWÂ cmâ2 under Ar flow without alumina wool; 212Â mWÂ cmâ2 under no Ar with alumina wool; potential value going zero under Ar with alumina wool. In other words, it is corroborated that gas-state molecules mainly govern power performance and hence SO-CFC operation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Engineering Journal - Volume 308, 15 January 2017, Pages 974-979
Journal: Chemical Engineering Journal - Volume 308, 15 January 2017, Pages 974-979
نویسندگان
Hansaem Jang, Youngeun Park, Jaeyoung Lee,