Patent ID: 6203936
Filing Date: 2001-03-20
Classification: H01M,Y02E,Y02P,Y10T

Abstract:
A bipolar plate comprising:a metal substrate selected from Mg, Al Mg alloys and Al alloys;a displacement Ni layer deposited on the substrate;an electroless metal layer selected from Ni, Pd, Co, Ru, Au, Pt and mixtures thereof deposited on the displacement Ni layer; anda first electroplated metal layer selected from Ni, Ru, Pd, Au, Pt, and mixtures thereof deposited on the electroless metal layer; anda second electroplated metal layer deposited over the first electroplated metal layer, wherein the second electroplated metal layer is selected from Pt, Au, Ir, Pd, Ru, and mixtures thereof, and wherein the second electroplated metal layer further comprises PTFE.