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September 22, 2025Fuel Cells

Cold‐Start Capacity Attenuation in 60‐kW PEMFC Systems: A Multiscale Componential Analysis

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Authors

YWYu WangFXFei XingHBHongyou Bian

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Overview

This analysis examines cold-start degradation in PEMFC systems, revealing critical insights on catalyst layer and gas diffusion layer dynamics.

Key Points

  • This study reveals that cold-start conditions lead to significant catalyst layer degradation.
  • Transmission electron microscopy confirmed increased defects and particle size in Pt particles at three electrode positions.
  • After cold-start, GDL permeability decreased significantly, which affects overall fuel cell performance.
  • The findings provide essential insights for enhancing the low-temperature durability of fuel cells.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68d46fd431b076d99fa6a3e8https://doi.org/10.1002/fuce.70022
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