Conversion of solid carbonaceous fuels in a fluidized bed fuel cell

被引：93
|
作者：
Lee, Andrew C. [1 ]
Li, Siwen [2 ]
Mitchell, Reginald E. [1 ]
Guer, Turgut M. [2 ,3 ]
机构：
[1] Stanford Univ, Dept Mech Engn, Stanford, CA 94305 USA
[2] Direct Carbon Technol LLC, Menlo Pk, CA 94025 USA
[3] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2008年 / 11卷 / 02期
关键词：
D O I：
10.1149/1.2821136
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A fluidized bed direct carbon fuel cell was employed to achieve direct conversion of solid fuels into electricity. Power was generated from pulverized Lower Kittanning (bituminous) coal, synthetic carbon, and biomass in a single process step. Current-voltage characteristics exhibited typical fuel cell behavior. Fluidization in flowing CO2 overcomes the difficulty of attaining solid fuel-to-anode contact and generates CO in situ via the Boudouard reaction. A mechanistic reaction pathway is proposed for anodic oxidation of the solid fuel. Conversion was verified by gas analysis of oxidation products in the flue stream and by oxygen mass balance. c 2007 The Electrochemical Society.
引用
收藏
页码：B20 / B23
页数：4
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