A MICROPOROUS LAYER COATING SOLUTION FOR FUEL CELL AND GAS DIFFUSION LAYER USING THE SAME

The present invention provides a fuel cell microporous layer coating solution formed by dispersing an intermediate mixture of a solvent, carbon powder, a dispersant, and a foaming agent, and stirring a polytetrafluoroethylene dispersion solution in a dispersed intermediate mixture. The present inven...

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Bibliographische Detailangaben
Hauptverfasser: PARK YU SIK, NAM KEE PYUNG, LEE KIL MOK, PARK JIN WOO, OH HYEON JIN
Format: Patent
Sprache:eng ; kor
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Beschreibung
Zusammenfassung:The present invention provides a fuel cell microporous layer coating solution formed by dispersing an intermediate mixture of a solvent, carbon powder, a dispersant, and a foaming agent, and stirring a polytetrafluoroethylene dispersion solution in a dispersed intermediate mixture. The present invention controls the pore size of the microporous layer to suppress an increase in electrical resistance through a gas diffusion layer and to improve gas permeability. 본 발명은 용제, 탄소분말, 분산제 및 발포제가 혼합된 중간 혼합물을 분산시키고, 분산된 중간 혼합물에 폴리테트라플루오르에틸렌 분산액을 교반하여 형성되는 연료전지 미세기공층 코팅액을 제공한다.