Effects of Mg2+ contamination on the performance of proton exchange membrane fuel cell

Zhu, Jingyu; Tan, Jinzhu; Pan, Qing; Liu, Zenghui; Hou, Qiong

doi:10.1016/j.energy.2019.116135

Cited by 19 publications

(5 citation statements)

References 38 publications

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“…As fossil fuels continue to decline, we are forced to look for alternative sources of energy. 183,184 Direct methanol fuel cell (DMFC) gaining attention because of its clean energy, easy to use, and high energy efficiency. [185][186][187] Prapainainar et al extensively studied DMFC using mordenite with various materials.…”

Section: Fuel Cellmentioning

confidence: 99%

Recent advances in the synthesis and applications of mordenite zeolite – review

et al. 2021

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Section: Fuel Cellmentioning

confidence: 99%

Recent advances in the synthesis and applications of mordenite zeolite – review

et al. 2021

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“…The results showed that the performance of the PEMFC decreased with the increase of immersion time. Zhu et al 14 conducted experiments studying the immersion of a proton exchange membrane in cation solutions with varying MgSO 4 concentrations. The results showed that foreign Mg 2+ contaminants reduce IEC of the Nafion membrane, worsen its proton conductivity, and damage the chemical structure.…”

Section: Introductionmentioning

confidence: 99%

Experimental Investigation for Proton Exchange Membrane Fuel Cells in Marine Salt Spray Environment

Wen,

Li,

Wang

et al. 2024

ACS Omega

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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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“…Zhu et al [7] studied the effects of in situ Mg 2+ contamination on PEM fuel cell performance and established that performance decreases with increased Mg 2+ concentration and operation time. Qi et al [8] injected four cations, K + , Ba 2+ , Ca 2+ , and Al 3+ , as contaminants into the PEMFC and found performance degradation mainly due to an increase in membrane resistance associated with cations replacing protons on the sulfonate groups.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Salty Environments on the Degradation Behavior and Mechanical Properties of Nafion Membranes

et al. 2023

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The application of proton-exchange membrane fuel cells (PEMFCs) in maritime transportation is currently in the spotlight due to stringent emissions regulations and the establishment of a carbon trading system. However, salt in the marine environment can accelerate the degradation of proton-exchange membranes (PEM), which are the core component of PEMFCs. In this study, the effect of the NaCl concentration and temperature on the degradation of Nafion, the benchmark PEMFC membrane, was analyzed ex situ by accelerated degradation using Fenton’s test. The membrane properties were studied by mass change, fluoride ion emission, FTIR spectroscopy, and tensile test. The results showed that the degradation of Nafion membranes increased with the increase in temperature and NaCl concentration. Further studies revealed that Nafion produces C=O bonds during the degradation process. Additionally, it was found that sodium ions replace hydrogen ions in degraded Nafion fragments based on analysis of the weight change, and the rate of substitution increases with increasing temperature. A better understanding of the degradation behavior of Nafion in salty environments will lead to the advanced manufacturing of PEM for applications of PEMFCs in maritime transportation.

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Effects of Mg2+ contamination on the performance of proton exchange membrane fuel cell

Cited by 19 publications

References 38 publications

Recent advances in the synthesis and applications of mordenite zeolite – review

Recent advances in the synthesis and applications of mordenite zeolite – review

Experimental Investigation for Proton Exchange Membrane Fuel Cells in Marine Salt Spray Environment

The Effect of Salty Environments on the Degradation Behavior and Mechanical Properties of Nafion Membranes

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