Abstract
Membrane is an important part in fuel cell. It should have high proton conductivity and low ethanol permeability to ensure high performance. Nafion membrane is commonly used For Direct Ethanol Fuel Cell (DEFC) since it has highest proton conductivity compared with other membranes. Keywords: DEFC, Ethanol Permeability, Mordenite Composite Membrane, Proton Conductivity, Silane Treatment
Highlights
Fuel cell has been developed for decades to use as alternative energy to fossil fuel
The membranes have the thickness of 125–130 μm
After the mordenites were added, two layer of membrane was formed as seen in Figure 5 to Figure 7
Summary
Fuel cell has been developed for decades to use as alternative energy to fossil fuel. Direct Ethanol Fuel Cell (DEFC) was targeted for membrane improvement. This group act as an induce proton part to allow only proton, not electron, to pass through membrane[3]. It spontaneously allows ethanol to pass through along with the proton. This phenomena result in the voltage drop in fuel cell. To improve the performance of the fuel cell, a lot of researches are being done by adding organic/inorganic materials or other material into Nafion membrane to reduce the ethanol crossover 4–8
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