High-performance gas diffusion layer for fuel cell and preparation method of high-performance gas diffusion layer

High-performance gas diffusion layer for fuel cell and preparation method of high-performance gas diffusion layer

The invention provides a high-performance gas diffusion layer for a fuel cell and a preparation method of the high-performance gas diffusion layer. The preparation method comprises the following steps: performing one-time vacuum filling type hydrophobic treatment on a carbon paper base material, and...

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Hauptverfasser: DUAN ZHENXIAO, CHANG XIUJIAN, SHAO HANGYU, GU JUN, LI LEI
Format: Patent
Sprache:chi ; eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator DUAN ZHENXIAO
CHANG XIUJIAN
SHAO HANGYU
GU JUN
LI LEI
description The invention provides a high-performance gas diffusion layer for a fuel cell and a preparation method of the high-performance gas diffusion layer. The preparation method comprises the following steps: performing one-time vacuum filling type hydrophobic treatment on a carbon paper base material, and preparing, coating and thermocuring high-uniformity microporous layer slurry. In the hydrophobic treatment process, the saturation of the carbon paper base material is measured, uniform and stable hydrophobic emulsion is prepared, one-time filling of the emulsion is achieved through a vacuum device, hydrophobic treatment is completed, the interior of the carbon paper base material is evenly wrapped with a hydrophobic agent, and the loading capacity consistency is high; in the microporous layer slurry preparation and coating process, uniform and stable microporous layer slurry is obtained based on the addition of a surfactant and an emulsifier and the control of a dispersion process, and coating is performed by usi
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title High-performance gas diffusion layer for fuel cell and preparation method of high-performance gas diffusion layer
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