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燃料電池相關耗材

DuPont

DuPont生產的Nafion系列主要功能為具有陽離子傳導的功能
應用範圍廣泛舉凡燃料電池、廢水處裡及生物醫療…等各種領域

Nafion物性資料

Nafion 溶液

  DE520 DE2020
Polymer content (wt. %) 5.0min 5.4max 20min 22max
Water Content (wt. %) 45 ± 3 34 ± 2
VOC Content (wt. %)
1-Propanol
Ethanol
Mixed Ethers
and Other VOCs
45 ± 3
< 4
< 1
34 ± 2
< 2
< 1
Specific Gravity 0.92 - 0.94 0.97 - 0.99
Viscosity 10 - 20 200 - 400
Available Acid Capacity (maq/g) > 1.00 > 1.00

Nafion 膜

  NRE211 NRE212 N115 N117
Thickness 25μm 50μm 125μm 175μm
Weight 50g/㎡ 100g/㎡ 250 g/㎡ 360 g/㎡
Specific gravity 1.97 1.97 1.98 1.98
Available Acid Capacity (maq/g) 0.92 min 0.92 min 0.90min 0.90min
Total Acid Capacity (maq/g) 0.95 to 1.01 0.95 to 1.01 0.95 to 1.01 0.95 to 1.01
Hydrogen Crossover <0.020 <0.010