Nano-Micro Letters,
Год журнала:
2023,
Номер
16(1)
Опубликована: Ноя. 6, 2023
The
triboelectric
nanogenerator
(TENG)
can
effectively
collect
energy
based
on
contact
electrification
(CE)
at
diverse
interfaces,
including
solid-solid,
liquid-solid,
liquid-liquid,
gas-solid,
and
gas-liquid.
This
enables
harvesting
from
sources
such
as
water,
wind,
sound.
In
this
review,
we
provide
an
overview
of
the
coexistence
electron
ion
transfer
in
CE
process.
We
elucidate
dominant
mechanisms
observed
different
interfaces
emphasize
interconnectedness
complementary
nature
interface
studies.
review
also
offers
a
comprehensive
summary
factors
influencing
charge
advancements
interfacial
modification
techniques.
Additionally,
highlight
wide
range
applications
stemming
distinctive
characteristics
various
interfaces.
Finally,
elucidates
future
opportunities
challenges
that
may
encounter.
anticipate
offer
valuable
insights
for
research
facilitate
continued
development
industrialization
TENG.
Abstract
With
the
development
of
autonomous/smart
technologies
and
Internet
Things
(IoT),
tremendous
wireless
sensor
nodes
(WSNs)
are
great
importance
to
realize
intelligent
mechanical
engineering,
which
is
significant
in
industrial
social
fields.
However,
current
power
supply
methods,
cable
battery
for
instance,
face
challenges
such
as
layout
difficulties,
high
cost,
short
life,
environmental
pollution.
Meanwhile,
vibration
ubiquitous
machinery,
vehicles,
structures,
etc.,
but
has
been
regarded
an
unwanted
by‐product
wasted
most
cases.
Therefore,
it
crucial
harvest
energy
achieve
situ
these
WSNs.
As
a
recent
conversion
technology,
triboelectric
nanogenerator
(TENG)
particularly
good
at
harvesting
broadband,
weak,
irregular
energy,
provides
feasible
scheme
In
this
review,
achievements
(VEH)
related
engineering
based
on
TENG
systematically
reviewed
from
perspective
contact–separation
(C‐S)
freestanding
modes.
Finally,
existing
forthcoming
orientation
VEH
discussed
depth,
will
be
conducive
future
era
IoT.
ACS Applied Materials & Interfaces,
Год журнала:
2024,
Номер
16(5), С. 6239 - 6249
Опубликована: Янв. 25, 2024
Hybrid
piezoelectric/triboelectric
nanogenerators
combine
the
merits
of
piezoelectric
(PENGs)
and
triboelectric
(TENGs),
possessing
enhanced
electrical
output
sensitivity.
However,
structures
majority
hybrid
are
rather
complex
in
integrating
both
functions,
limiting
their
practical
application
wearable
electronics.
Herein,
we
propose
to
construct
a
nanogenerator
(PT-NG)
with
simple
structure
based
on
composite
film
simultaneously
achieve
coupling
charge
generation
triboelectrification
improved
energy
conversion
efficiency.
The
consists
electrospun
PVDF
nanofibers
embedded
surface
PDMS
film,
which
not
only
forms
rough
nanomorphology
but
also
provides
structural
protection
by
during
compressive
deformation.
results
have
shown
that
PT-NG
can
generate
much
higher
outputs
than
individual
TENG
PENG
devices.
devices
exhibit
high
level
mechanical-to-electrical
efficiency
superior
performance
charging
capacitors
functioning
as
self-powered
sensors
for
detection
different
signals
from
finger
movement,
recognition
various
gestures,
monitoring
respiration.
More
importantly,
device
possesses
an
impressive
durability,
maintaining
its
layered
over
5000
testing
cycles
without
noticing
any
obvious
damage
or
detachment
between
layers.
Our
demonstrated
combining
substrate
is
efficient
way
fabricate
highly
harvesting
intelligent
identification
health
monitoring.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Май 31, 2024
Abstract
The
rapid
development
of
the
Internet
Things
and
artificial
intelligence
technologies
has
increased
need
for
wearable,
portable,
self-powered
flexible
sensing
devices.
Triboelectric
nanogenerators
(TENGs)
based
on
gel
materials
(with
excellent
conductivity,
mechanical
tunability,
environmental
adaptability,
biocompatibility)
are
considered
an
advanced
approach
developing
a
new
generation
sensors.
This
review
comprehensively
summarizes
recent
advances
in
gel-based
TENGs
sensors,
covering
their
principles,
properties,
applications.
Based
requirements
working
mechanism
characteristic
advantages
gels
introduced.
Design
strategies
performance
optimization
hydrogel-,
organogel-,
aerogel-based
systematically
summarized.
In
addition,
applications
human
motion
sensing,
tactile
health
monitoring,
human–machine
interaction,
other
related
fields
Finally,
challenges
discussed,
feasible
proposed
to
guide
future
research.
