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Performance Analysis and Optimization of a High-Temperature PEMFC Vehicle Based on Particle Swarm Optimization

Yanju Li¹, Zheshu Ma¹, Meng Zheng¹

¹College of Automobile and Traffic Engineering, Nanjing Forestry University, Nanjing 210037, China.

|September 26, 2021

Summary

A new model for high-temperature proton exchange membrane fuel cells (HT-PEMFCs) was developed and optimized. The optimized HT-PEMFC demonstrated improved performance, leading to more efficient fuel cell vehicles (FCVs) with reduced hydrogen consumption.

Keywords:

HT-PEMFC parametric studies particle swarm optimization powertrain design simulation analysis

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Area of Science:

Energy Conversion and Storage
Materials Science
Thermodynamics

Background:

Proton exchange membrane fuel cells (PEMFCs) are crucial for clean energy. High-temperature PEMFCs (HT-PEMFCs) offer advantages but require accurate modeling.
Polybenzimidazole membranes doped with phosphoric acid are promising for HT-PEMFCs.

Purpose of the Study:

To develop a finite time thermodynamics model for HT-PEMFCs.
To analyze the impact of operating and design parameters on HT-PEMFC performance.
To optimize HT-PEMFCs for enhanced power density and efficiency.

Main Methods:

Developed a mathematical model for HT-PEMFCs based on finite time thermodynamics.
Incorporated polarization and leakage current losses into the model.
Utilized the particle swarm optimization (PSO) algorithm for multi-objective optimization.
Validated the model with experimental data.

Main Results:

The developed HT-PEMFC model accurately predicts performance.
Optimization using PSO significantly improved power density and efficiency.
The optimized HT-PEMFC demonstrated superior performance compared to LT-PEMFC and standard HT-PEMFC.
FCV powertrain simulations showed increased efficiency and reduced hydrogen consumption with the optimized HT-PEMFC.

Conclusions:

The finite time thermodynamics model provides a reliable framework for HT-PEMFC analysis and optimization.
Optimized HT-PEMFCs offer a viable solution for improving fuel cell vehicle efficiency.
The study provides design schemes for FCV powertrains based on different fuel cell types.