基于质子导体固体氧化物燃料电池制备乙烯的电化学模型研究

欧永振; 邱瑞铭; 雷励斌

doi:10.12052/gdutxb.210188

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基于质子导体固体氧化物燃料电池制备乙烯的电化学模型研究

综合研究 | 更新时间：2026-05-27

- 基于质子导体固体氧化物燃料电池制备乙烯的电化学模型研究
- Electrochemical Modeling Study of Ethylene Production Based on Proton-conducting Solid Oxide Fuel Cells
- 广东工业大学学报 2023年40卷第2期页码：82-87
- 作者机构：
  
  广东工业大学材料与能源学院,广东,广州,510006
- 作者简介：
  
  欧永振(1996–) ，男，硕士研究生，主要研究方向为质子导体反应器的电化学模型
  雷励斌(1987–) ，男，特聘副教授，硕士生导师，主要研究方向为新能源系统的系统优化和材料开发，E-mail：Libinlei23@gdut.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目(52002082)
- DOI：10.12052/gdutxb.210188
  中图分类号： TM911.4
- 网络首发：2023-03-25，
  
  纸质出版：2023
- 稿件说明：
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欧永振, 邱瑞铭, 雷励斌. 基于质子导体固体氧化物燃料电池制备乙烯的电化学模型研究[J]. 广东工业大学学报, 2023, 40(2): 82-87.

Ou Yong-zhen, Qiu Rui-ming, Lei Li-bin. Electrochemical Modeling Study of Ethylene Production Based on Proton-conducting Solid Oxide Fuel Cells[J]. 2023, 40(2): 82-87.
欧永振, 邱瑞铭, 雷励斌. 基于质子导体固体氧化物燃料电池制备乙烯的电化学模型研究[J]. 广东工业大学学报, 2023, 40(2): 82-87. DOI： 10.12052/gdutxb.210188.

Ou Yong-zhen, Qiu Rui-ming, Lei Li-bin. Electrochemical Modeling Study of Ethylene Production Based on Proton-conducting Solid Oxide Fuel Cells[J]. 2023, 40(2): 82-87. DOI： 10.12052/gdutxb.210188.

摘要

本文建立了质子导体固体氧化物燃料电池(H-SOFCs) 的电化学模型，分析电能与乙烯共产的H-SOFCs的电化学性能、法拉第效率和能量效率。模拟结果表明：基于H-SOFCs制备乙烯需要向外界吸收热量，升高温度有利于提高乙烷的转化率和降低电池的极化损失；在所模拟的H-SOFCs中，欧姆过电势和活化过电势占主导地位，而浓差过电势几乎可忽略不计；由于质子导体电解质存在不可忽略的电子电导，造成电池内部短路，形成泄漏电流，泄漏电流密度随着输出电压的升高而增大，导致法拉第效率和能量效率下降。

Abstract

An electrochemical model of proton-conducting solid oxide fuel cells(H-SOFCs) is built for investigating the electrochemical performance

Faraday efficiency and energy efficiency of co-generation of electric energy and ethylene in H-SOFCs. The simulation results show that ethylene production based on H-SOFCs needs external energy. Increasing the temperature is beneficial for improving the conversion rate of ethane and reducing the polarization loss of fuel cells. For the simulated H-SOFCs

the ohmic and activation over potentials are dominant

and the concentration over potential is almost negligible. The non-negligible electronic conductivity in the proton-conducting electrolyte layer leads to the internal short circuit of the fuel cells and the formation of leakage current. The leakage current density increases with the output voltage

resulting in the decrease of Faraday efficiency and energy efficiency.

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references

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