AEM	anion exchange membrane
AEM*	anion exchange membrane (acidic environment)
AIEM	amphoteric ion exchange membrane
AIEM*	amphoteric ion exchange membrane (acidic environment)
asym	asymmetric
CD	current density
CEH	coulombic efficiency (≥ 100 mA cm−2)
CEL	coulombic efficiency (< 100 mA cm−2)
CEM	cation exchange membrane
chem	chemistry
CL	cross-linked
d	membrane thickness
Dc	diffusion coefficient
Dr	diffusion coefficient ratio
DAPP	diels-Alder Poly(phenylene)
dhe	dense and heterogeneous
dho	dense and homogeneous
DOE	U.S. Department of Energy
EE	energy efficiency (charge-discharge)
EEr	energy efficiency ratio
EEH	energy efficiency (≥ 100 mA cm−2)
EEL	energy efficiency (< 100 mA cm−2)
ETFE	poly(ethylene-tetrafluoroethylene)
FPAE	fluorinated poly(arylene ether)
IEC	ion exchange capacity
Mem	membrane
MS	membrane sample
PA	poly(amide)
PBI	poly(benzimidazole)
PEEK	poly(ether ether ketone)
PEK	poly(ether ketones)
PES	poly(ether sulfone)
PF	poly(fluorenyle)
PFSA	perfluorosulfonic acid
PI	poly(imide)
PPE	poly(phenylene ether)
PPEK	poly(phthalazinone ether ketones)
PPh	poly(phenylene)
PPSU	poly(phenyl sulfones)
PS	poly(styrene)
PSU	poly(sulfones)
PTFE	poly(tetrafluoroethylene)
pub	publication
PVA	poly(vinyl alcohol)
PVC	poly(vinyl chloride)
PVDF	poly(vinylidene fluoride)
Ref	reference
struc	structure
sym	symmertric
V	vanadium
VEH	voltage efficiency (≥ 100 mA cm−2)
VEL	voltage efficiency (< 100 mA cm−2)
VRFB	all vanadium redox flow battery
WU	water uptake