PEMs	Proton exchange membranes
AEMs	Anion exchange membranes
AFCs	Alkaline fuel cells
PEMFCs	Proton exchange membrane fuel cells
NMP	N-methyl pyrrolidone
HB-PVBC	Hyperbranched poly(4-vinylbenzyl chloride)
AIBN	2,2’-azodiisobutyronitrile
ATRP	Atom transfer radical polymerization
IEC	Ion exchange capacity
LSR	Linear swelling ratio
GPC	Gel permeation chromatography
NMR	Nuclear magnetic resonance
FTIR	Fourier transform infrared
TEM	Transmission electron microscopy
AFM	Atomic force microscopy
SAXS	Small angle X-ray scattering
DSC	Differential scanning calorimetry
TGA	Thermogravimetic analysis