Comparison of Characteristics and Performance of Membrane in Proton Exchange Membrane Fuel Cells

被引：0

作者：

Lee, Daewoong ^{[1
]}

Lim, Daehyun ^{[1
]}

Oh, Sohyeong ^{[1
]}

Chung, Hoi-Bum ^{[1
]}

Yoo, Seung-Eul ^{[2
]}

Ku, Young-Mo ^{[2
]}

Park, Kwonpil ^{[2
]}

机构：

[1] Sunchon Natl Univ, Dept Chem Engn, 235 Jungang Ro, Suncheon Si 57922, Jeollanam Do, South Korea

[2] KATECH, 303 Pungse Ro, Cheonan Si 31214, Chungcheongnam, South Korea

来源：

KOREAN CHEMICAL ENGINEERING RESEARCH | 2020年 / 58卷 / 02期

关键词：

PEMFC; Reinforced Membrane; Characteristics; Performance; e-PTFE; Short Resistance; DEGRADATION;

D O I：

10.9713/kcer.2020.58.2.171

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In the proton exchange membrane fuel cells (PEMFC), the development of a reinforced membrane with improved durability by a support is actively in progress in Korea. In this study, the initial performance and characteristics of four types of reinforced membranes were compared. Reinforced membranes with higher amounts of C-F chains in the polymer membrane showed lower water diffusion coefficients due to the hydrophobicity of the C-F chains. The thicker the polymer membrane, the more the hydrogen permeability decreased and the higher the OCV. Membrane with short resistance below 1.5 Omega cm(2) showed OCV below 0.9 V and the lowest performance, so short resistance should be above 3.0 Omega cm(2). Compared with the current standard membrane, there was a similar domestic membrane, which could confirm the possibility of localization of PEMFC polymer membrane.

引用

页码：171 / 175

页数：5

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