Electrochemical performance of different carbon fuels on a hybrid direct carbon fuel cell

被引：28

作者：

Li, Shuangbin ^{[1
,2
]}

Pan, Wenzhi ^{[1
]}

Wang, Shaorong ^{[3
]}

Meng, Xie ^{[1
]}

Jiang, Cairong ^{[2
]}

Irvine, John T. S. ^{[2
]}

机构：

[1] SICCAS, CAS Key Lab Mat Energy Convers, Shanghai, Peoples R China

[2] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland

[3] China Univ Min & Technol, Sch Chem Engn & Technol, Xuzhou, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2017年 / 42卷 / 25期

基金：

英国工程与自然科学研究理事会;

关键词：

Hybrid direct carbon fuel cell (HDCFC); Carbon fuels; Electrochemical performance; SOLID OXIDE; DIRECT CONVERSION; ANODE; ELECTROLYTE; COAL; OPERATION;

D O I：

10.1016/j.ijhydene.2017.05.150

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：

In this work, three processed carbon fuels including activated carbon, carbon black and graphite have been employed to investigate influence of the chemical and physical properties of carbon on the HDCFC performance in different anode atmospheres at 650-800 degrees C. The results reveal that the electrochemical activity is strongly dependent on crystalline structure, thermal stability and textural properties of carbon fuels. The activated carbon samples demonstrate a better performance with a peak power density of 326 mW cm(-2) in CO2 at 750 degrees C, compared to 147 and 59 mW cm(-2) with carbon black and graphite samples, respectively. Compared to the ohmic resistance, the polarization resistance plays a more dominated role in the cell performance. When replacing N-2 by CO2 purge gas, the power density is the strongly temperature dependent due to the Boudouard reaction. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：16279 / 16287

页数：9

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