TENG	Triboelectric nanogenerator
SD	Smart device
ET	Emerging technology
RE	Renewable energy
REEGC	Renewable energy generation capacity
GW	Gigawatt
IRENA	The International Renewable Energy Agency
IoT	Internet of Things
UAV	Unmanned aerial vehicle
5G-network	The fifth generation of mobile technology
°C	Degrees Celsius
VOC	Open-circuit voltage
$\sigma$	The triboelectric charge density
$d$	The distance between the two contact surfaces
${\epsilon }_0$	The vacuum permittivity
3D	Three dimensional
SDET	Smart devices and emerging technology
PV	Photovoltaic
ICT	Information and communication technology
BIM	Building information modeling
EMG	Electromagnetic generator
PENG	Piezoelectric nanogenerator
AI	Artificial intelligence
V	Voltage
PDMS	Polydimethylsiloxane
Al	Aluminum
PTFE	Polytetrafluoroethylene
Au	Gold
NaCl	Sodium chloride
PVC	Polyvinylchloride
Cu	Copper
H2	Hydro
PVDF	Polyvinylidene fluoride
PEEK	Polyether ether ketone
PC	Polycarbonate
PP	Polypropylene
PA	Nylon
FEP	Fluorinated ethylene propylene
PET	Polyethylene terephthalate
PEI	Polyetherimide
PS	Polystyrene
PI	Polyimide
PPS	Polyphenylenesulphide
CoNi	Cobalt–Nickel
PZT	Zirconate titanate
BaTiO3	Barium titanate
LiNbO3	Lithium niobate
ZnO	Zinc oxide
KNN	Potassium sodium niobate
Cu2Te	Copper telluride
A	Ampe
HMI	Human–machine interface
W/m2	Watt per square meter
µW	Microwatt
mW	Milliwatt
W	Watt
ANN	Artificial neural network
PMM	Power management module