ACS Applied Electronic Materials,
Journal Year:
2023,
Volume and Issue:
5(12), P. 6938 - 6946
Published: Nov. 21, 2023
A
hybrid
nanogenerator
(HNG)
offers
both
high
output
performance
and
flexibility
by
utilizing
the
synergy
between
piezoelectric
triboelectric
mechanisms.
Achieving
performance,
reproducibility,
mechanical
stability
in
a
HNG
device
is
still
major
challenge.
Here,
we
demonstrate
design
fabrication
of
flexible
based
on
composite
lead-free
ceramic
polymer
poly(dimethylsiloxane)
(PDMS).
The
oxide
(Bi0.785K0.035Ba0.180)(Fe0.750Ti0250)O3
(BKBFT/MPB-piezo)
exhibits
improved
properties
at
morphotropic
phase
boundary
(MPB)
BiFeO3–Bi0.5K0.5TiO3–BaTiO3
ternary
diagram.
We
find
that
90
wt
%
PDMS–10
MPB-piezo
optimum
flexibility.
Interestingly,
incorporation
multiwalled
carbon
nanotubes
(MWCNTs),
conducting
filler,
significantly
enhances
device's
without
aid
electric
field
poling.
MWCNTs
form
nanoelectrical
bridges
charge
transfer
improve
composite's
structural
homogeneity.
89
MPB-piezo–1
MWCNT
displays
peak-to-peak
open-circuit
voltage
(Vpp),
short-circuit
current
(Isc),
power
density
(U)
22
V,
1.8
μA,
72
nW/cm2,
respectively.
Furthermore,
show
capability
to
be
used
as
wearable
human
pulse
sensor.
Small Structures,
Journal Year:
2023,
Volume and Issue:
5(1)
Published: Nov. 27, 2023
Wearable
electronic
textiles
(e‐textiles)
have
emerged
as
a
transformative
technology
revolutionizing
healthcare
monitoring
and
communication
by
seamlessly
integrating
with
the
human
body.
However,
their
practical
application
has
been
limited
lack
of
compatible
sustainable
power
sources.
Various
energy
sources,
including
solar,
thermal,
mechanical,
wind,
explored
for
harvesting,
leading
to
diverse
harvesting
technologies,
such
photovoltaic,
thermoelectric,
piezoelectric,
triboelectric
systems.
Notably,
2D
materials
gained
significant
attention
attractive
candidates
storage
in
e‐textiles
due
unique
properties,
high
surface‐to‐volume
ratio,
mechanical
strength,
electrical
conductivity.
Textile‐based
harvesters
employing
offer
promising
solutions
powering
next‐generation
smart
wearable
devices
integrated
into
clothing.
This
comprehensive
review
explores
utilization
textile‐based
harvesters,
covering
preparation,
fabrication,
characterization
strategies.
Recent
advancements
are
highlighted,
focusing
on
integration
implementations,
shedding
light
performance
effectiveness
2D‐material‐based
e‐textiles,
highlighting
potential
alternative
conventional
supplies
technologies.
C – Journal of Carbon Research,
Journal Year:
2025,
Volume and Issue:
11(1), P. 3 - 3
Published: Jan. 1, 2025
Graphene-based
piezoelectric
nanogenerators
(PENGs)
have
emerged
as
a
promising
technology
for
sustainable
energy
harvesting,
offering
significant
potential
in
powering
next-generation
electronic
devices.
This
review
explores
the
integration
of
graphene,
highly
conductive
and
mechanically
robust
two-dimensional
(2D)
material,
with
PENG
to
enhance
their
conversion
efficiency.
Graphene’s
unique
properties,
including
its
exceptional
electron
mobility,
high
mechanical
strength,
flexibility,
allow
development
superior
performance
compared
conventional
PENGs.
When
combined
materials,
polymers,
graphene
serves
both
an
active
layer
charge
transport
medium,
boosting
response
output
power.
The
graphene-based
PENGs
can
harvest
from
various
sources,
vibrations,
human
motion,
ambient
environmental
forces,
making
them
ideal
applications
wearable
electronics,
low-power
paper
provides
overview
fabrication
techniques,
material
mechanisms
PENGs,
into
real-world
applications.
findings
demonstrate
that
incorporation
enhances
PENG,
paving
way
future
innovations
energy-harvesting
technologies.
Journal of Low Power Electronics and Applications,
Journal Year:
2023,
Volume and Issue:
13(4), P. 62 - 62
Published: Nov. 26, 2023
This
paper
provides
a
short
review
of
sustainable
hybrid
energy
harvesting
and
its
applications.
The
potential
usage
self-powered
wireless
sensor
(WSN)
systems
has
recently
drawn
lot
attention
to
harvesting.
objective
this
research
is
determine
the
harvesters
help
single
overcome
their
deficiency
problems.
major
findings
study
demonstrate
how
harvesting,
which
integrates
various
conversion
technologies,
may
increase
power
outputs,
improve
space
utilization
efficiency.
Hybrid
involves
collecting
from
multiple
sources
converting
it
into
electrical
using
transduction
mechanisms.
By
properly
integrating
different
hybridization
can
significantly
outputs
Here,
we
present
recent
progress
in
energy-harvesting
for
green
applications
fields.
starts
with
an
introduction
showing
harvester
configurations,
i.e.,
integration
piezoelectric
electromagnetic
harvesters;
triboelectric
piezoelectric,
triboelectric,
others.
output
performance
common
that
are
reported
literature
also
outlined
review.
Afterwards,
discussed,
practical
attainability
technology.
Finally,
concludes
by
making
recommendations
future
difficulties
developing
harvesters.
revolve
around
improving
efficiency,
advanced
techniques,
investigating
new
configurations.
Overall,
offers
insightful
information
on
together
quantitative
information,
numerical
findings,
useful
promote
use
Energies,
Journal Year:
2024,
Volume and Issue:
17(3), P. 638 - 638
Published: Jan. 29, 2024
Human
skin,
the
body’s
largest
organ,
plays
a
crucial
role
in
perceiving
mechanical
stimulation
and
facilitating
interaction
with
external
environment.
Leveraging
unique
attributes
of
human
electronic
skin
technology
aimed
at
replicating
surpassing
capabilities
natural
holds
significant
promise
across
various
domains,
including
medical
care,
motion
tracking,
intelligent
robotics.
In
recent
research,
triboelectric
nanogenerators
have
emerged
as
compelling
solution
for
addressing
energy
challenge
skins.
Triboelectric
harness
combination
effect
electrostatic
induction
to
efficiently
convert
into
electrical
power,
serving
self-powered
sensors
skins,
which
possess
advantages
operation,
cost-effectiveness,
compatibility
wide
range
materials.
This
review
provides
an
introduction
working
principles
four
operational
modes
nanogenerators,
highlighting
functional
features
such
stretchability,
self-healing,
degradability.
The
primary
focus
is
on
current
applications
skins
based
machine
tactile
recognition.
concludes
by
discussing
anticipated
challenges
future
development
nanogenerators.
practical
significance
advancing
use
offers
valuable
guidance
individuals
interested
pursuing
scientific
healthy
endeavors.
Micromachines,
Journal Year:
2023,
Volume and Issue:
14(6), P. 1273 - 1273
Published: June 20, 2023
Due
to
its
superior
advantages
in
terms
of
electronegativity,
metallic
conductivity,
mechanical
flexibility,
customizable
surface
chemistry,
etc.,
2D
MXenes
for
nanogenerators
have
demonstrated
significant
progress.
In
order
push
scientific
design
strategies
the
practical
application
from
viewpoints
basic
aspect
and
recent
advancements,
this
systematic
review
covers
most
developments
first
section.
second
section,
importance
renewable
energy
an
introduction
nanogenerators,
major
classifications,
their
working
principles
are
discussed.
At
end
various
materials
used
harvesting
frequent
combos
MXene
with
other
active
described
detail
together
essential
framework
nanogenerators.
third,
fourth,
fifth
sections,
synthesis
along
properties,
nanocomposites
polymeric
discussed
progress
challenges
use
nanogenerator
applications.
sixth
a
thorough
discussion
internal
improvement
mechanisms
composite
3D
printing
technologies
presented.
Finally,
we
summarize
key
points
throughout
discuss
some
thoughts
on
potential
approaches
nanocomposite
based
that
could
be
better
performance.
Microsystems & Nanoengineering,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: Dec. 18, 2024
Abstract
The
demand
for
sustainable
energy
sources
to
power
small
electronics
like
IoT
devices
has
led
exploring
innovative
solutions
acoustic
harvesting
using
piezoelectric
nanogenerators
(PENGs).
Acoustic
leverages
ambient
noise,
converting
it
into
electrical
through
the
effect,
where
certain
materials
generate
an
electric
charge
in
response
mechanical
stress
or
vibrations.
This
review
paper
provides
a
comprehensive
analysis
of
advancements
PENG
technology,
emphasizing
their
role
harvesting.
We
begin
by
discussing
essential
principles
piezoelectricity
and
design
considerations
optimize
capture
from
sound
waves.
discussion
includes
detailed
examination
various
materials,
such
as
polyvinylidene
fluoride
(PVDF),
lead
zirconate
titanate
(PZT),
zinc
oxide
(ZnO)
nanowires,
which
are
known
superior
properties.
A
critical
aspect
this
is
exploration
structural
designs
resonance
that
enhance
efficiency
PENGs.
delve
mechanisms
benefits
Helmholtz
resonators,
quarter-wavelength
tubes,
cantilever
beams,
instrumental
amplifying
signals
improving
conversion
rates.
Each
device’s
parameters
operational
scrutinized
highlight
contributions
field.
addresses
practical
applications
PENGs
domains.
Environmental
monitoring
systems,
wearable
electronics,
medical
stand
benefit
significantly
continuous
supplied
These
can
reduce
reliance
on
batteries
minimize
maintenance
harnessing
energy,
leading
more
efficient
longer-lasting
operations.
Despite
promising
potential
PENGs,
several
challenges
remain,
including
material
degradation,
limitations,
integrating
these
existing
technological
frameworks.
discusses
obstacles
detail
proposes
longevity
performance
systems.
Innovations
science
engineering
crucial
overcoming
hurdles
realizing
full