AFCs	Alkaline fuel cells	MEA	Membrane electrode assembly
ALD	Atomic layer deposition	MPL	Microporous layer
BPs	Bipolar plates	MPS	Microporous substrate
BVF	Volume fractions of binders	NMP	N-methyl-2-pyrrolidone
CF	Carbon fiber	ORR	Oxygen reduction reaction
CL	Anode catalyst layer	PAFCs	Phosphoric acid fuel cells
CNF	Carbon nanofiber	PAN	Polyacrylonitrile
CNTs	carbon nanotubes	PDMS	Polydimethylsiloxane
CR	Compression ratios	PECVD	Plasma enhanced chemical vapor deposition
CVD	Chemical vapor deposition	PEMFCs	Proton exchange membrane fuel cells
DMF	N, N-dimethylformamide	PFPE	Perfluoropolyether
FCVs	Fuel cell vehicles	PI	Polyimide
FEP	Fluorinated ethylene	PTFE	Poly tetra fluoroethylene
FWCNT	Few-walled carbon nanotube	PVDF	Polyvinylidene fluoride
GDL	Gas diffusion layer	PVP	Polyvinyl pyrrolidone
HOR	Hydrogen oxidation reaction	rGO	Reduced graphene oxide
i-FF-GDL	Integrated flow field-gas diffusion layer	RH	Relative humidity
MCFCs	Molten carbonate fuel cells	SOFCs	Solid oxide fuel cells
MEA	Membrane electrode assemblies