Study on three-dimensional numerical simulation of micro direct methanol fuel cell

LIANG Jun-sheng; LI Shou-zuo; LUO Ying; WANG Da-zhi

doi:10.13873/J.1000-9787(2017)02-0014-04

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Study on three-dimensional numerical simulation of micro direct methanol fuel cell

更新时间：2025-09-11

- Study on three-dimensional numerical simulation of micro direct methanol fuel cell
- Vol. 36, Issue 2, Pages: 14-17(2017)
- 作者机构：
  
  1. 微纳米技术及系统辽宁省重点实验室大连理工大学
  2. 精密与特种加工技术教育部重点实验室大连理工大学
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2017)02-0014-04
  CLC： TM911.4
- Published：2017
- 稿件说明：
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[1]梁军生,李守祚,罗颖,王大志.微型直接甲醇燃料电池的三维数值模拟研究[J].传感器与微系统,2017,36(02):14-17.

LIANG Jun-sheng, LI Shou-zuo, LUO Ying, et al. Study on three-dimensional numerical simulation of micro direct methanol fuel cell[J]. 2017, 36(2): 14-17.
[1]梁军生,李守祚,罗颖,王大志.微型直接甲醇燃料电池的三维数值模拟研究[J].传感器与微系统,2017,36(02):14-17. DOI： 10.13873/J.1000-9787(2017)02-0014-04.

LIANG Jun-sheng, LI Shou-zuo, LUO Ying, et al. Study on three-dimensional numerical simulation of micro direct methanol fuel cell[J]. 2017, 36(2): 14-17. DOI： 10.13873/J.1000-9787(2017)02-0014-04.

摘要

运用计算流体力学软件COMSOL

建立了微型直接甲醇燃料电池（μDMFC）三维数值模型

并用MEMS工艺制作电池进行实验验证。模型耦合了连续性方程、电化学反应方程和动量方程等。通过对模型求解

输出了平均电流密度和电压等参数。分析了扩散层和催化层结构参数对电池性能的影响

结果表明:过厚的催化层对电池性能提升并无太大帮助

在增大电催化剂Pt担量前提下应尽量减小催化层厚度。

Abstract

A three-dimensional model of micro direct methanol fuel cell（ μDMFC） is presented based on the computational fluid dynamics software COMSOL

. It is validated by experiments with MEMS craft. The controlequation of the method is a coupling of continuity equation

momentum equation and electrochemical reaction equations. The performance of the μDMFC is investigated by calculation of the three-dimensional model. The analysis on diffusion layer and catalytic layer show that too thick catalytic layer isn’t beneficial for improvement of performance of μDMFC. On premise of increased load of Pt catalyst

it’s better to decrease thickness of catalyst layer.

关键词

Keywords

references

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基于MEMS技术的微型直接甲醇燃料电池的制作 [J]. 索春光,陈伟平,刘晓为. 传感器与微系统 . 2008(09)

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