Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 13, 2025
Abstract
Energy
harvesting
and
storage
at
extreme
temperatures
are
significant
challenges
for
flexible
wearable
devices.
This
study
innovatively
developed
a
dynamic‐bond‐cross–linked
spinnable
azopolymer‐based
smart
fabric
(PAzo‐M/PVA,
M
=
Mg,
Ca,
Zn)
capable
of
photothermal
energy
storage,
light‐induced
self‐heating,
mechanical
harvesting,
self‐powered
motion
sensing
under
cold
conditions,
overcoming
issues
like
low
density
poor
structural
stability
when
azopolymers
combined
with
other
fabrics
via
impregnation
or
spraying.
PAzo‐Mg,
operating
without
solvents,
demonstrated
high
(264.8
J
g
−1
)
long‐term
(14
days).
Upon
light
excitation
−20
°C,
this
achieved
the
highest
temperature
increase
(9.3
°C)
sustained
self‐heating
45
minutes.
A
triboelectric
nanogenerator
based
on
maximum
output
power
3.43
W
m
−2
excellent
durability
(≈10
000
cycles)
trans/cis
isomerization
dynamic
bond
formation/dissociation
affected
electrical
output,
phenomenon
not
previously
reported.
Moreover,
sensor
embedded
successfully
detected
subtle
pulse
variations
during
outdoor
human
activities
−18
to
−21
°C.
combines
generation
temperatures,
providing
feasible
solution
creating
devices
complex
environments.
Nano-Micro Letters,
Год журнала:
2024,
Номер
17(1)
Опубликована: Сен. 27, 2024
Abstract
With
the
continuous
development
of
wearable
electronics,
wireless
sensor
networks
and
other
micro-electronic
devices,
there
is
an
increasingly
urgent
need
for
miniature,
flexible
efficient
nanopower
generation
technology.
Triboelectric
nanogenerator
(TENG)
technology
can
convert
small
mechanical
energy
into
electricity,
which
expected
to
address
this
problem.
As
core
component
TENG,
choice
electrode
materials
significantly
affects
its
performance.
Traditional
metal
often
suffer
from
problems
such
as
durability,
limits
further
application
TENG.
Graphene,
a
novel
material,
shows
excellent
prospects
in
TENG
owing
unique
structure
electrical
properties.
This
review
systematically
summarizes
recent
research
progress
TENGs
based
on
graphene
electrodes.
Various
precision
processing
methods
electrodes
are
introduced,
applications
electrode-based
various
scenarios
well
enhancement
performance
discussed.
In
addition,
future
also
prospectively
discussed,
aiming
promote
advancement
TENGs.
ACS Applied Electronic Materials,
Год журнала:
2024,
Номер
7(1), С. 1 - 12
Опубликована: Дек. 23, 2024
The
liquid–liquid
triboelectric
nanogenerator
(L-L
TENG)
is
an
emerging
nanogeneration
technology
that
converts
weak
mechanical
energy,
tidal
and
other
forms
of
energy
into
electricity
through
the
frictional
interactions
between
liquids.
This
paper
reviews
research
progress
L-L
TENG.
First,
it
provides
overview
working
principles
TENG,
analyzes
its
basic
mechanisms,
summarizes
fundamental
operation
modes
while
organizing
materials
currently
used
for
charge
transfer.
Additionally,
this
outlines
applications
TENG
in
harvesting,
medicine,
fields,
offering
insights
performance
enhancement
expansion
application
scenarios.
Finally,
discusses
challenges
facing
development
as
well
future
direction
potential
applications.
Overall,
conversion
technology,
has
attracted
widespread
interest
from
scientists
worldwide.
review
aims
to
provide
scientists,
engineers,
researchers
related
fields
with
a
comprehensive
perspective
further
advance
area
research.
Nano-Micro Letters,
Год журнала:
2025,
Номер
17(1)
Опубликована: Янв. 31, 2025
The
large-scale
use
of
ample
marine
energy
will
be
one
the
most
important
ways
for
human
to
achieve
sustainable
development
through
carbon
neutral
plans.
As
a
burgeoning
technological
method
electromechanical
conversion,
triboelectric
nanogenerator
(TENG)
has
significant
advantages
in
its
low
weight,
cost-effectiveness,
and
high
efficiency
low-frequency
range.
It
can
realize
efficient
economical
harvesting
blue
by
constructing
floating
TENG.
This
paper
firstly
introduces
power
transfer
process
structural
composition
TENG
detail.
In
addition,
latest
research
works
on
basic
design
are
systematically
reviewed
category.
Finally,
advanced
progress
take-off
types
engineering
study
with
comprehensively
generalized.
Importantly,
challenges
problems
faced
situ
electrochemical
application
summarized
corresponding
prospects
suggestions
proposed
subsequent
direction
look
forward
promoting
commercialization
this
field.
Abstract
With
the
increasing
demand
for
fresh‐water
and
electricity
in
modern
society,
various
technologies
are
being
explored
to
obtain
electricity.
Due
advances
materials
science,
solar‐driven
interfacial
evaporation
(SDIE)
systems
have
attracted
widespread
attention
because
they
require
only
solar
energy,
possess
a
high
rate
little
pollution.
The
researchers
combined
energy
harvesting
measures
into
system
output
electricity,
further
improving
utilization.
However,
more
in‐depth
research
review
remain
on
using
SDIE
efficient
water‐electricity
cogeneration.
Therefore,
mechanisms
of
different
photothermal
that
utilize
produce
thermal
first
summarized
this
paper.
Subsequently,
mechanism
application
thermal,
mechanical,
chemical,
electrical
power
cogeneration
discussed.
Concurrently,
vital
mathematical
equations
widely
used
simulation
methods
performance
evaluation
practical
applications
presented.
design
operation
based
analyzed
summarized.
Based
understanding
these
aspects,
future
development
direction
is
proposed
address
problems
faced
basic
applications.
Abstract
With
the
continuous
acceleration
of
industrialization,
gas
sensors
are
evolving
to
become
portable,
wearable
and
environmentally
friendly.
However,
traditional
rely
on
external
power
supply,
which
severely
limits
their
applications
in
various
industries.
As
an
innovative
adaptable
generation
technology,
triboelectric
nanogenerators
(TENGs)
can
be
integrated
with
leverage
benefits
both
technologies
for
efficient
friendly
self‐powered
sensing.
This
paper
delves
into
basic
principles
current
research
frontiers
TENG‐based
sensor,
focusing
particularly
environmental
safety
monitoring,
healthcare,
as
well
emerging
fields
such
food
assurance
smart
agriculture.
It
emphasizes
significant
advantages
sensor
systems
promoting
sustainability,
achieving
sensing
at
room
temperature,
driving
technological
innovations
devices.
also
objectively
analyzes
technical
challenges,
including
issues
related
performance
enhancement,
theoretical
refinement,
application
expansion,
provides
targeted
strategies
future
directions
aimed
paving
way
progress
widespread
field
sensors.
ACS Nano,
Год журнала:
2024,
Номер
18(11), С. 8484 - 8495
Опубликована: Март 6, 2024
Dynamic
manipulation
of
liquid
metal
(LM)
droplets,
a
material
combining
metallicity
and
fluidity,
has
recently
revealed
tremendous
potential
in
developing
unconstrained
microrobots.
LM
manipulating
techniques
based
on
magnetic
fields,
electric
chemical
reactions,
ion
concentration
gradients
environments
have
advanced
considerably,
but
dynamic
air
remains
challenge.
Herein,
photoresponsive
pyroelectric
superhydrophobic
(PPS)
platform
is
proposed
for
noncontact,
flexible,
controllable
the
ambient
atmosphere.
The
PPS
can
generate
additional
free
charges
when
illuminated
by
light,
thus
generating
driving
force
to
manipulate
droplets.
By
using
synergistic
effect
dielectrophoretic
electrostatic
forces
generated
under
light
navigation,
droplets
achieve
series
complex
motion
behaviors,
such
as
climbing
slopes,
going
over
steps,
avoiding
obstacles,
crossing
mazes,
etc.
We
further
extend
control
robots
applied
electronic
circuits,
including
circuit
switching
welding
robots.
This
strategy
provides
insights
into
development
intelligent,
responsive
interfaces
simultaneously
possibilities
application
metals.
