A Review of Metallic Bipolar Plates for Proton Exchange Membrane Fuel Cells: Materials and Fabrication Methods

Table 2

Potential coating materials for metallic bipolar plates.

Coating	Base plate material				Reference
	Aluminum	Stainless steel	Titanium	Nickel
Conductive polymer	•				[33]
Chromium		•			[83]
Chromium nitride		•			[84–87]
Diamond-like carbon	•				[33]
Gold	•		•		[81, 82]
Gold-titanium		•			[88]
Gold-nickel		•			[88]
Graphite foil	•		•	•	[89]
Graphite topcoat	•	•	•	•	[89]
Indium tin oxide	•				[90]
Lead oxide		•			[90]
Nickel		•			[91]
Niobium		•			[92]
Organic monopolymer	•				[33]
Platinum			•		[88, 93, 94]
Silicon carbide		•			[90]
Silver		•			[91]
Silver-PTFE		•			[95]
Titanium-aluminum	•				[90]
Titanium nitride oxide		•			[90]
Zirconia		•			[96]