AB	acetylene black
AI	artificial intelligence
BNC	bacterial nanocellulose
CA	cellulose acetate
CF	cellulose fibre
CNF	cellulose nanofibre
CNC	cellulose nanocrystal
CMC	carboxymethyl cellulose
CNP	carbon nanoparticle
CNT	carbon nanotube
CV	cyclic voltammetry
EDLC	electric double-layer capacitor
FESD	flexible energy-storage device
GCD	galvanostatic charge–discharge
GO	graphene oxide
HAp	hydroxyapatite
HNT	halloysite nanotube
LAGP	Li1.5Al0.5Ge1.5(PO4)3
LIB	lithium-ion battery
LLZTO	Li6.4La3Zr1.4Ta0.6O12
MFC	microfibrillated cellulose
MD	machine direction
MWCNT	multiwalled carbon nanotube
NFC	nanofibrillated cellulose
PANI	polyaniline
PANa	sodium polyacrylate
PCP	porous Co3O4 polyhedron
PDMS	polydimethylsiloxane
PEDOT	poly(3,4-ethylenedioxythiophene)
PE	polyethylene
PEGDA	poly(ethylene glycol) diacrylate
PEO	polyethylene oxide
PP	polypropylene
PPy	polypyrrole
PSS	poly(styrene sulfonate)
PVA	poly(vinyl alcohol)
PVDF	poly(vinylidene fluoride)
rGO	reduced graphene oxide
SC	supercapacitor
SBR	styrene–butadiene rubber
SIB	sodium-ion battery
SWCNT	single-walled carbon nanotube
TD	transverse direction
TOCN	TEMPO-oxidized cellulose nanofibre
ZAB	zinc–air battery