Separator for fuel cell

The present invention provides a fuel cell separator provided with resin conducting layer formed by mixing resins and conducting filler at least on one side of the surfaces of the metal substrate thereof. The resin conducting layer includes: (a) a first resin layer with volume resistance below 1.0 O...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: MIYAGAWA, MICHINARI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention provides a fuel cell separator provided with resin conducting layer formed by mixing resins and conducting filler at least on one side of the surfaces of the metal substrate thereof. The resin conducting layer includes: (a) a first resin layer with volume resistance below 1.0 Omega.cm; and (b) at least one of layers selecting from a second resin layer and a third resin layer wherein the second resin layer with volume resistance lower than the first resin layer comprises the surface of the resin conducting layer and the third resin layer with volume resistance lower than the first resin layer is provided between the first resin layer and the metal substrate. Therefore, the separator for fuel cell, especially for solid polymer electrolyte type fuel cell, has excellent power collecting and formation properties, strength, and corrosion resistance.