TITANIUM SHEET MATERIAL FOR FUEL CELLS SEPARATORS OF AND METHOD OF ITS PRODUCTION Russian patent published in 2017 - IPC H01M8/02 C22F1/18 B21B1/22 B21B3/00 H01M8/10 

FIELD: metallurgy.

SUBSTANCE: titanium sheet for fuel cell separator contains a base of titanium or titanium alloy with recrystallized structure sheet, a surface layer, and a passivation layer. Surface layer contains a titanium matrix of solid solution of oxygen (O), carbon (C), and nitrogen (N) in titanium, and titanium compounds with at least one element selected from oxygen (O), carbon (C), and nitrogen (N), has thickness of less than 1 mcm, and passivation layer is located on the surface layer and has thickness of less than 5 nm.

EFFECT: titanium sheet provides low contact resistance.

10 cl, 3 tbl, 6 dwg