SIB	Sodium-ion batteries
LIB	Lithium-ion batteries
PET	Polyethylene terephthalate
HC	Hard carbon
SEM	Scanning electron microscopy
TEM	Transmission electron microscopy
XRD	X-ray diffraction
XPS	X-ray photoelectron spectroscopy
PVDF	Polyvinylidene fluoride
AB	Acetylene black
NMP	N-methyl-2-pyrrolidone
AGM	Absorbed Glass Mat
EC	Ethylene carbonate
DMC	Dimethyl carbonate
FEC	Fluorethylene carbonate
CV	Cyclic voltammetry