Effect of Mea Hot-Pressing on the Performance of Direct Methan Ol Fuel Cells

Shen, Donghui; Chen, Hailun; Tian, Aihua

doi:10.26480/icnmim.01.2018.402.404

Topics in Chemical &Amp; Material Engineering 2018

DOI: 10.26480/icnmim.01.2018.402.404

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Effect of Mea Hot-Pressing on the Performance of Direct Methan Ol Fuel Cells

Donghui Shen¹,

Hailun Chen²,

Aihua Tian³

Abstract: MEA based on Nafion 115 has been prepared with GDL-based method for direct methanol fuel cell applications. The results of unit cell tests show that different temperature and pressure of hot-pressing during MEA preparation presents different polarization curve. Optimization of temperature and pressure during hot-pressing can effectively improve the performance of direct methanol fuel cells.

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2022

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Effect of Different Hot-Pressing Pressure and Temperature on the Performance of Titanium Mesh-Based MEA for DMFC

et al. 2022

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The hot-pressing process of the membrane electrode assembly (MEA) is one of the research hotspots in the field of the fuel cell. To obtain suitable titanium mesh-based MEA hot pressing process parameters, titanium mesh was used as electrode substrate material. The anode and cathode of MEA were prepared by the drip-coated method, and the titanium mesh-based MEA was prepared under different hot-pressing pressure and temperature, respectively. The performance of titanium mesh-based MEA was studied by morphological observation, elemental analysis, thickness measurement, single cell test and numerical fitting analysis. The results demonstrated that: with increasing hot-pressing pressure from 0 MPa to 10 MPa, the forming thickness of titanium mesh-based MEA is getting thin gradually, and the peak power density of titanium mesh-based MEA first increased and then gradually decreased; with increasing hot-pressing temperature from 115 °C to 155 °C, the peak power density of titanium mesh-based MEA enhanced at the beginning and then also gradually decreased. Under the premise of a hot-pressing time of 180 s and the optimal operating temperature of DMFC of 60 °C, the appropriate hot-pressing process conditions of titanium mesh-based MEA are a hot-pressing pressure of 5 MPa and a hot-pressing temperature of 135 °C. The results can provide a technological reference for the preparation of titanium mesh MEA for DMFC.

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Effect of Different Hot-Pressing Pressure and Temperature on the Performance of Titanium Mesh-Based MEA for DMFC

et al. 2022

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Effect of Mea Hot-Pressing on the Performance of Direct Methan Ol Fuel Cells

Cited by 1 publication

References 11 publications

Effect of Different Hot-Pressing Pressure and Temperature on the Performance of Titanium Mesh-Based MEA for DMFC

Effect of Different Hot-Pressing Pressure and Temperature on the Performance of Titanium Mesh-Based MEA for DMFC

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