: : Research BBS : :
고분자 전해질 연료전지 분리판용 복합재의 특성 연구
Research of characteristics of composites
for bipolar plate of PEM fuel cell
RESEARCHERS Yun-mi Kim, Hee-Sub Lee, Sung-Hoon Ahn PERIOD 2005. 3. ~ 2006. 2.
SPONSOR MOBIS

OBJECTIVES
-Material search for carbon-based composite bipolar plate
-Evaluate moldability of bipolar plate

Schematics of PEM Fuel CEll

The functions of Bipolar plate
- To distribute the fuel and oxidant within the cell
- To facilitate water management within the cell
- To separate the individual cells in the stack
- To carry current away from the cell

Types of Bipolar plate materials

Design criteria for Bipolar plate materials
- Chemical compatibility
- Electronic conductivity
- Manufacturability
- Resistance to corrosion
- Gas diffusivity / impermeability
- Stack volume
- Thermal conductivity
- Strength
- Cost
- Density

Using Materials: Carbon-based composite material

Comparison of the surface resistance result: Particles mixing ratio

Comparison of the resistance result: 4 types particles

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