期刊
MATERIALS
卷 10, 期 7, 页码 -出版社
MDPI AG
DOI: 10.3390/ma10070796
关键词
PEM fuel cell; gas diffusion layer; membrane and electrode assembly; polyamide; titanium; carbon paper; selective laser sintering
类别
资金
- IBTec, Auckland University of Technology (AUT)
The conventional gas diffusion layer (GDL) of polymer electrolyte membrane (PEM) fuel cells incorporates a carbon-based substrate, which suffers from electrochemical oxidation as well as mechanical degradation, resulting in reduced durability and performance. In addition, it involves a complex manufacturing process to produce it. The proposed technique aims to resolve both these issues by an advanced 3D printing technique, namely selective laser sintering (SLS). In the proposed work, polyamide (PA) is used as the base powder and titanium metal powder is added at an optimised level to enhance the electrical conductivity, thermal, and mechanical properties. The application of selective laser sintering to fabricate a robust gas diffusion substrate for PEM fuel cell applications is quite novel and is attempted here for the first time.
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