The fuel cell catalyst is the main material of MEA electrodes, and the fuel cell catalyst production technology is one of the original technologies of fuel cell.
"VINATech develops and produces various types of alloy catalysts and low platinum loading catalyst according to market demands."
VIANTech has technology for controlling metal catalyst particle size and Pt loading.
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Division | Pt content (Wt%) | ECSA(m2/g) | Particle size(nm) | Support type |
---|---|---|---|---|
VFC-HE | 20~60 | 30~45 | 2.5~2.8 | Herringbone |
VFC-SP | 50~60 | 2.5~3.0 | Carbon black |
*ECSA : Electrochemical Surface Area
Electrochemical analysis of MEA in Single cell (7-Layers, 25㎠)
→ 0.95 – 0.6 V 30K Cycle_DOE protocol
T Cell : 60 ℃
P Cell : An / Ca = 0 bar.g / 0 bar.g
SR : H2 / Air = x 1.5 / x 2.0
RH : An = 100 %, Ca = 100 %
Cycle : 500 mV/s (1.0-1.5V , 5k cycling)
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0.8 A @ V | Degradation (mV) | ECSA (m2/g) | Degradation (%) | |||
---|---|---|---|---|---|---|
Fresh (V) | 30k | Fresh (V) | 30k | |||
VINATech | 0.723 | 0.703 | 20(2.7%) | 82.79 | 51.29 | 38 |
DOE Standard | < 30 | < 40 |