EcoMat,
Journal Year:
2022,
Volume and Issue:
4(4)
Published: Feb. 18, 2022
Abstract
Flexible
and
wearable
energy
harvesting
devices
multifunctional
sensors
have
been
widely
reported,
but
challenges
in
the
large‐scale
manufacturing
process
still
exist.
This
work
reports
a
fabrication
method
of
core‐shell
triboelectric
braided
fibers
that
exhibit
stable
structure
strong
tensile
strength,
which
can
be
further
integrated
into
power
textiles
with
different
fabric
structures,
such
as
weaving
knitting,
purpose
biomechanical
or
plantar
pressure
monitoring.
The
integrating
on
knitting
good
sensitivity
fatigue
resistance,
is
combined
traditional
socks
to
measure
distribution
positions.
high
electrical
output,
used
for
easily
light
up
116
commercial
LEDs.
preparation
approach
provides
more
possibilities
applications
self‐powered
electronics
human–computer
interfacing.
ACS Nano,
Journal Year:
2022,
Volume and Issue:
16(4), P. 6244 - 6254
Published: March 21, 2022
The
triboelectric
nanogenerator
shows
a
broad
application
potential
in
wind
energy
collection
and
speed
sensing.
However,
it
is
difficult
to
realize
real-time
monitoring
one
simple
device
without
external
power
support.
Here,
high-performance
dual-mode
proposed
simultaneously
collect
efficiently
monitor
real
time,
which
composed
by
an
alternating
current
(AC-TENG)
direct-current
(DC-TENG).
Based
on
the
material
optimization,
charge
density
of
AC-TENG
improves
factor
1
compared
with
previous
works.
Moreover,
benefiting
from
elastic
structure
optimization
low
friction
force,
excellent
durability
obtains
retention
87%
electric
output
after
200
000
operation
cycles.
Meanwhile,
thanks
high
energy-harvesting
efficiency
doubled.
In
addition,
DC-TENG
not
only
displays
sensing
performance
but
also
can
provide
gale
warning.
Our
finding
exhibits
strategy
for
collecting
achieving
fully
self-powered
monitoring.
Advanced Materials,
Journal Year:
2022,
Volume and Issue:
34(21)
Published: Jan. 27, 2022
The
seamless
integration
of
emerging
triboelectric
nanogenerator
(TENG)
technology
with
traditional
wearable
textile
materials
has
given
birth
to
the
next-generation
smart
textiles,
i.e.,
TENGs,
which
will
play
a
vital
role
in
era
Internet
Things
and
artificial
intelligences.
However,
low
output
power
inferior
sensing
ability
have
largely
limited
development
TENGs.
Among
various
approaches
improve
performance,
such
as
material
modification,
structural
design,
environmental
management,
3D
fabric
scheme
is
facile,
efficient,
controllable,
scalable
strategy
increase
effective
contact
area
for
electrification
TENGs
without
cumbersome
processing
service
restrictions.
Herein,
recent
advances
current
reported
structures
are
comprehensively
summarized
systematically
analyzed
order
clarify
their
superiorities
over
1D
fiber
2D
terms
pressure
sensing.
forward-looking
abilities
fabrics
also
discussed
at
end.
It
believed
that
overview
analysis
distinctive
contribute
realization
high-power
micro/nanowearable
sources
high-quality
self-powered
sensors.
Advanced Functional Materials,
Journal Year:
2021,
Volume and Issue:
32(2)
Published: Oct. 22, 2021
Abstract
Wind
energy,
as
one
kind
of
renewable
and
sustainable
energy
sources,
is
expected
to
solve
the
problem
consumption
environment
deterioration.
Here,
an
improved
rotary
triboelectric
nanogenerator
(TENG)
using
rabbit
fur‐based
soft‐contact
(SCR‐TENG)
with
segmented
structure
for
harvesting
low‐speed
wind
design
fabricated.
The
adopted
soft
raw‐rabbit
fur
shows
excellent
performance
in
triboelectrification
beneficial
reducing
frictional
resistance
prolonging
lifetime
device.
After
480
000
cycles,
no
obvious
wear
observed
on
dielectric
film
surface,
transferred
charge
not
significantly
attenuated.
mechanical‐to‐electrical
conversion
efficiency
15.4%
can
be
achieved.
Moreover,
self‐powered
applications
have
been
successfully
demonstrated
night
direction
indication,
insect
trapping,
soil
moisture
detection,
ambient
temperature
humidity
signal
transmission,
powered
by
SCR‐TENG,
toward
smart
farming.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(28)
Published: April 28, 2022
Abstract
Conductive
hydrogels
have
shown
great
promise
in
the
field
of
sustainable
power
sources
due
to
their
unique
features
sufficient
flexibility,
durability,
and
functional
diversification.
However,
time‐
energy‐consuming
polymerization
process
poor
adaptability
extreme
environments
severely
impede
practical
application
such
an
emerging
field.
Herein,
a
facile
universal
self‐catalytic
system
(AL‐Cu
2+
)
based
on
alkali
lignin
(AL)
macromolecule
has
been
designed
rapidly
fabricate
conductive
transparent
organohydrogels
alkaline
water–ethylene
glycol
(EG)
binary
solvent,
which
displays
environment
applicability
(‒40
60
°C),
eligible
stretchability
(≈800%
elongation),
robust
self‐adhesion
(≈31.4
kPa).
Interestingly,
introduced
EG
accelerates
polymerization,
endows
freezing/drying
resistance,
improves
for
organohydrogels.
The
organohydrogel
(water/EG
=
2/3)
that
combines
above
merits
inspires
construction
triboelectric
nanogenerator
(O‐TENG)
mechanical
energy
harvesting
converting
regardless
low‐
or
high‐temperature
environments.
generated
electricity
by
O‐TENG
can
be
used
directly
stored
drive
commercial
electronics
installed
human
joints
movement
monitoring.
This
work
sheds
light
designing
environment‐resistant
flexible
TENGs
multifunctional
soft
materials
with
fast
gelation
strategy,
provoking
more
attention
high‐value
utilization
advanced
applications.
Small,
Journal Year:
2022,
Volume and Issue:
18(43)
Published: March 25, 2022
Abstract
Widely
distributed
across
the
environment,
irregular
micro‐nano
mechanical
high
entropy
energy
(HEE)
is
a
new
promising
recoverable
energy,
in
which
development
of
matched
harvesting
technology
imperative
to
fit
with
requirements
booming
sustainable
era.
The
triboelectric
nanogenerator
(TENG)
very
efficient
for
HEE,
especially
when
converting
irregular,
low‐frequency,
weak
into
electricity.
Here,
latest
advancements
are
comprehensively
reviewed
using
TENGs
sensing,
and
other
applications.
fundamental
theory
overwhelming
superiority
TENG
systematically
analyzed
as
four
representative
domains:
power
sources,
self‐powered
sensing
systems,
direct
high‐voltage
large‐scale
blue
energy.
review
concluded
discussion
challenges
leveraging
engineering.
striving
directions
technologies
proposed
concentration
on
basic
research
commercialization
ear
5G
Internet
Things.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(29)
Published: June 19, 2023
Abstract
The
Artificial
Intelligence
of
Things
(AIoT)
connects
everything
with
intelligence,
while
the
increase
in
energy
consumption
generated
by
numerous
electronic
devices
puts
forward
an
impending
demand
on
power
supply.
Energy
harvesting
technology
has
emerged
as
a
compelling
innovation
for
net
zero
emissions
supply
AIoT.
Although
significant
advances
have
been
witnessed
harvesting,
some
issues
such
poor
electrical
output,
weak
environmental
adaptability,
and
low
reliability
are
difficult
to
satisfactorily
resolve.
Mechanical
intelligent
can
be
defined
system
identifying
external
excitation
or
its
own
state
reacting
it,
rather
than
relying
sensing
elements
central
controller
certain
adaptive
programmed
functions.
functions
exhibit
great
potential
solving
above‐mentioned
that
seriously
restrict
development
technology.
Here,
generalized
definition
mechanical
is
given
critically
design
methodology
elaborated.
typical
reported
systems
characteristics
intelligence
reviewed.
key
research
directions
discussed.
expected
revolutionize
energy‐harvesting
pave
way
applications.
