Modeling of Solid-Oxide Electrolyser Cells: From H2, CO Electrolysis to Co-Electrolysis

被引：7

作者：

Menon, V. ^{[1
]}

Janardhanan, V. M. ^{[2
,4
]}

Deutschmann, O. ^{[3
,5
]}

机构：

[1] Karlsruhe Inst Technol KIT, Inst Chem Technol & Polymer Chem, D-76131 Karlsruhe, Germany

[2] IIT Hyderabad, Dept Chem Engn, Yeddumailaram, India

[3] Karlsruhe Inst Technol, Inst Catalysis Res & Technol, D-76021 Karlsruhe, Germany

[4] IIT, Dept Chem Engn, Hyderabad 502205, Andhra Pradesh, India

[5] Karlsruhe Inst Technol, Inst Catalysis Res & Technol, D-76021 Karlsruhe, Germany

来源：

SOLID OXIDE FUEL CELLS 13 (SOFC-XIII) | 2013年 / 57卷 / 01期

关键词：

FUEL-CELL; SYNGAS; CHEMISTRY;

D O I：

10.1149/05701.3207ecst

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this analysis, we report an in-house model to describe the complex fundamental and functional interactions between various internal physico-chemical phenomena of a SOEC. Electrochemistry at the three-phase boundary is modeled using a modified Butler-Volmer approach that considers H-2 and CO, individually, as electrochemically active species. Also, a multi-step elementary heterogeneous reaction mechanism for the thermo-catalytic H-2/CO2 electrode chemistry, along with the dusty gas model (DGM) to account for multi-component diffusion of ideal gases through porous media, are used. The model is geometry independent. Results pertaining to detailed chemical processes within the cathode, electrochemical behavior and irreversible losses during SOEC operation are demonstrated.

引用

页码：3207 / 3216

页数：10

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