AI Article Synopsis
- In maritime settings, PEMFCs face contamination risks from salt spray, which can irreversibly degrade their performance.
- To tackle challenges of testing sodium chloride's impact on PEMFCs, the article introduces a standard salt spray chamber to recreate marine conditions and uses a liquid nitrogen fracture method for efficient sample preparation.
- The study results affirm the effectiveness of the developed salt spray method for analyzing contamination in the membrane electrode assembly (MEA), enabling detailed physicochemical and microscopic investigations of NaCl effects.
Article Abstract
In the maritime setting, Proton Exchange Membrane Fuel Cells (PEMFCs) are subjected to salt spray, posing a risk of contaminating internal components and leading to irreversible degradation in the performance of the PEMFCs. Thus, it is crucial to assess the impact of sodium chloride contamination on PEMFC operation. To address challenges related to prolonged cycle times, high costs, and intricate sample preparation in sodium chloride contamination experiments for PEMFCs, this Article replicates the marine atmospheric conditions using a standard salt spray experimental chamber. The liquid nitrogen fracture method is employed for cost-effective and efficient preparation of experimental samples. The meteorological environment with varying salt content in the salt spray is achieved through precise control of sodium chloride concentration. The Article systematically presents the salt spray experimental method for the membrane electrode assembly (MEA) of PEMFCs. A dedicated salt spray experimental rig was constructed to validate this method for the MEA of PEMFCs. The results indicate that the salt spray experimental method for the MEA of PEMFCs can effectively explore internal component contamination and is well-suited for analyzing the physicochemical effects of NaCl on MEA components, along with their microscopic characterization under salt spray conditions.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11170732 | PMC |
| http://dx.doi.org/10.1021/acsomega.4c01712 | DOI Listing |
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