Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
Abstract
Traditional
triboelectric
nanogenerators
(TENGs)
face
significant
challenges
related
to
low
charge
density
and
high
internal
impedance.
Many
methods
have
been
proposed
enhance
the
surface
of
TENGs,
yet
they
do
not
simultaneously
achieve
resistance.
Here,
a
switch‐shuttling
nanogenerator
(SS‐TENG)
is
proposed.
By
periodically
interrupting
circuit
during
intrinsic
capacitance
variation
TENG
shuttle
process,
SS‐TENG
alters
potential
difference
while
maintaining
constant
in
capacitor,
thereby
enhancing
energy
storage
improving
overall
output
performance.
The
rapid
activation
switch
significantly
reduces
Compared
traditional
transfer
amount
increases
by
1.9
times,
short‐circuit
current
rises
9.6
with
resistance
reduced
factor
20.
Furthermore,
prototype
novel
cylindrical‐hexagram
bluff
body
(CHB)
vortex‐induced
vibration
harvester
based
on
designed
tested,
demonstrating
its
ability
reliably
harvest
from
underwater
tidal
flows
wave
energy.
Additionally,
self‐powered
marine
pollution
detection
strategy
has
developed
using
SS‐TENG.
This
work
provides
valuable
insights
for
performance
TENGs
actively
promotes
their
commercialization.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(11), P. 3700 - 3738
Published: Jan. 1, 2024
Fluid-based
triboelectric
nanogenerators
(F-TENGs)
represent
a
cutting-edge
technology
that
leverages
fluids
as
contact
medium
to
harness
renewable
energy
through
electrification
(CE)
and
electrostatic
induction.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 10, 2025
Abstract
With
the
rapid
development
of
Internet
Things
(IoT)
technology,
sensors
have
become
most
important
nodes
for
information
exchange
in
IoT.
However,
ensuring
stable
power
supply
and
network
communication
a
plethora
distributed
sensing
has
key
technical
bottleneck
that
restricts
marine
Herein,
self‐adaptive
gyroscope‐structured
hybrid
triboelectric‐electromagnetic
nanogenerator
(SAG‐HTENG)
is
designed
omnidirectional
wave
energy
harvesting.
Through
seamlessly
integrating
an
electromagnetic
generator
(EMG)
triboelectric
(TENG)
modules
into
one
device,
conversion
efficiency
can
be
significantly
enhanced.
Furthermore,
through
incorporating
ferromagnetic
electrode,
remarkable
peak
density
29.92
W
m
−3
Hz
−1
TENG
module
402.08
EMG
achieved,
respectively.
Meanwhile,
exhibited
superior
working
stability
applicability
harvesting
low‐frequency
water
tank
field
test
compared
to
module.
Leveraging
IoT
platform,
self‐powered
real‐time
ocean
currents
monitoring
buoy
system
(OCMBS)
constructed
determining
direction
current
type.
This
work
offers
novel
solution
toward
future
smart
Polymers for Advanced Technologies,
Journal Year:
2025,
Volume and Issue:
36(4)
Published: April 1, 2025
ABSTRACT
The
growing
demand
for
self‐powered
wearable
electronic
devices
in
healthcare,
fitness,
and
entertainment
has
driven
significant
advancements
energy
harvesting
technologies.
This
review
explores
the
latest
progress
mechanisms
that
enable
sustainable
autonomous
devices,
with
a
particular
emphasis
on
role
of
polymers
their
development.
Polymers
offer
unique
combination
mechanical
flexibility,
biocompatibility,
lightweight
properties,
making
them
ideal
applications.
systematically
categorizes
major
technologies
into
three
primary
mechanisms:
thermoelectric
generators
(TEGs),
piezoelectric
harvesters
(PEHs),
triboelectric
nanogenerators
(TENGs).
Each
section
provides
an
in‐depth
discussion
working
principles,
material
innovations,
fabrication
techniques,
applications
these
systems.
Beyond
fundamental
mechanisms,
discusses
hybrid
systems
integrate
multiple
sources
to
maximize
power
generation
ensure
continuous
device
operation.
storage
technologies,
such
as
flexible
supercapacitors
micro‐batteries,
is
also
highlighted
address
intermittency
challenges
ambient
sources.
Despite
progress,
remain
improving
conversion
efficiency,
enhancing
durability,
optimizing
system
integration
real‐world
identifies
key
research
directions
overcoming
challenges,
including
advanced
materials
engineering,
miniaturization
artificial
intelligence‐driven
management
strategies.
findings
presented
this
provide
valuable
insights
development
next‐generation
paving
way
efficient
electronics
seamlessly
daily
life.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(44), P. 60666 - 60677
Published: Oct. 25, 2024
The
conventional
behavior
recognition
strategy
for
wearable
sensors
used
in
high-temperature
environments
typically
requires
an
external
power
supply,
and
the
manufacturing
process
is
cumbersome.
Herein,
we
present
a
rational
design
based
on
fully
flexible
printable
materials
customized
device-manufacturing
skin-conformable
triboelectric
nanogenerator
sensors.
In
detail,
using
high
temperature-resistant
ink
3D
printing
technology
to
manufacture
coaxial
(C-TENG)
sensor,
C-TENG
exhibits
stretchability
(>400%),
wide
working
range
(>250
°C),
output
voltage
(>100
V).
can
be
worn
various
parts
of
human
body,
providing
robust
skin–device
interface
that
recognizes
diverse
behaviors.
Using
machine
learning
algorithms,
behaviors
such
as
walking,
running,
sitting,
squatting,
climbing
stairs,
falling
identified,
achieving
100%
accuracy
through
selective
input
optimization
appropriate
dataset.
This
paper
provides
research
perspective
customization,
extension,
rapid
fabrication
heat-resistant,
TENGs.
