ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(47), С. 54886 - 54897
Опубликована: Ноя. 14, 2023
Emerging
biocomposites
with
excellent
heat
dissipation
capabilities
and
inherent
sustainability
are
urgently
needed
to
address
the
cooling
issues
of
modern
electronics
growing
environmental
concerns.
However,
moisture
stability,
mechanical
performance,
thermal
conductivity,
even
flame
retardancy
biomass-based
materials
generally
insufficient
for
practical
management
applications.
Herein,
we
present
a
high-performance
graphene
biocomposite
consisting
carboxylated
cellulose
nanofibers
nanosheets
through
an
evaporation-induced
self-assembly
subsequent
Fe3+
cross-linking
strategy.
The
coordination
plays
critical
role
in
stabilizing
material
structure,
thereby
improving
strength
water
stability
films,
its
effect
is
revealed
by
density
functional
theory
calculations.
hierarchical
structure
films
also
leads
high
in-plane
conductivity
42.5
W
m–1
K–1,
enabling
superior
transfer
performance.
Furthermore,
resultant
exhibit
outstanding
Joule
heating
performance
fast
response
long-term
improved
retardancy.
Therefore,
such
general
strategy
desired
overall
properties
offer
wide
application
prospects
safe
management.
Nano-Micro Letters,
Год журнала:
2023,
Номер
15(1)
Опубликована: Июнь 29, 2023
Thermal
management
is
essential
in
our
body
as
it
affects
various
bodily
functions,
ranging
from
thermal
discomfort
to
serious
organ
failures,
an
example
of
the
worst-case
scenario.
There
have
been
extensive
studies
about
wearable
materials
and
devices
that
augment
thermoregulatory
functionalities
body,
employing
diverse
systematic
approaches
attaining
homeostasis.
This
paper
reviews
recent
progress
functional
contribute
wearables,
particularly
emphasizing
strategic
methodology
regulate
temperature.
exist
several
methods
promote
personal
a
form.
For
instance,
we
can
impede
heat
transfer
using
thermally
insulating
material
with
extremely
low
conductivity
or
directly
cool
skin
surface.
Thus,
classify
many
into
two
branches,
passive
active
modes,
which
are
further
subdivided
specific
strategies.
Apart
discussing
strategies
their
mechanisms,
also
identify
weaknesses
each
strategy
scrutinize
its
potential
direction
should
follow
make
substantial
contributions
future
regulatory
industries.
ACS Applied Materials & Interfaces,
Год журнала:
2023,
Номер
15(12), С. 15872 - 15883
Опубликована: Март 20, 2023
Electromagnetic
interference
(EMI)
shielding
and
electromagnetic
wave
absorption
(EWA)
materials
with
good
thermal
management
flexibility
properties
are
urgently
needed
to
meet
the
more
complex
modern
service
environment,
especially
in
field
of
smart
wearable
electronics.
How
balance
relation
performance,
management,
flexibility,
thickness
material
design
is
a
crucial
challenge.
Herein,
graphene
nanosheets/aramid
nanofiber
(C-GNS/ANF)
carbonizing
films
nacre-like
structures
were
fabricated
via
blade-coating/carbonization
procedure.
The
ingenious
configuration
from
highly
ordered
alignment
GNS
interactively
connected
by
carbonized
ANF
network
can
effectively
improve
thermal/electrical
conductivity
C-GNS/ANF
film.
Specifically,
ultrathin
film
17
μm
shows
excellent
in-plane
(TC)
79.26
W
m-1
K-1
superior
EMI
up
56.30
dB.
Moreover,
obtained
be
used
as
lightweight
microwave
absorber,
achieving
performance
minimum
reflection
loss
-56.07
dB
at
1.5
mm
maximum
effective
bandwidth
5.28
GHz
an
addition
only
5
wt
%.
Furthermore,
demonstrate
outstanding
stability,
flame
retardant
properties.
Overall,
this
work
indicates
prospective
direction
for
development
next
generation
absorption/shielding
high-performance
heat
conduction.
Advanced Materials,
Год журнала:
2023,
Номер
35(48)
Опубликована: Сен. 22, 2023
Low-density
foams
and
aerogels
based
on
upcycled
bio-based
nanofibers
additives
are
promising
alternatives
to
fossil-based
thermal
insulation
materials.
Super-insulating
prepared
from
acid-treated
aramid
(upANFA
)
obtained
Kevlar
yarn
tempo-oxidized
cellulose
(CNF)
wood.
The
ice-templated
hybrid
upANFA
/CNF-based
with
an
content
of
up
40
wt%
display
high
stability
a
very
low
conductivity
18-23
mW
m-1
K-1
perpendicular
the
aligned
nanofibrils
over
wide
relative
humidity
(RH)
range
20%
80%.
/CNF
is
found
decrease
increasing
(5-20
wt%).
super-insulating
properties
CNF-upANFA
related
density
strong
interfacial
phonon
scattering
between
thin
partially
branched
CNF
in
foam
walls.
Defibrillated
textiles
not
limited
Kevlar,
this
study
can
hopefully
inspire
efforts
upcycle
textile
waste
into
high-performance
products.
Frontiers in Environmental Science,
Год журнала:
2023,
Номер
11
Опубликована: Авг. 4, 2023
Environmental
nanotechnology
has
developed
rapidly
over
the
past
few
decades
due
to
fast
advancement
of
and
nanomaterials
(NMs).
Due
their
nanoscale
size,
NMs
are
receiving
immense
attention
in
research
development
worldwide.
Their
nano
size
led
better
catalysis,
high
reactivity,
adsorption
capacity.
In
wastewater
treatment,
significant
potential
improve
performance
efficiency
water
decontamination;
more
effectively,
it
provides
a
sustainable
way
keep
supplies
safe.
Numerous
studies
have
found
that
removing
harmful
components
from
by
employing
nanoparticles
conjunction
with
various
treatment
methods
is
effective.
The
purpose
current
investigation
conduct
review
envisioned
applications
wastewater.
These
include
carbonaceous
NMs,
metal-containing
nanoparticles,
nanocomposites,
all
which
will
be
reviewed
highlighted
depth.
Results in Engineering,
Год журнала:
2024,
Номер
22, С. 102376 - 102376
Опубликована: Июнь 1, 2024
High
melting
point
materials
are
essential
to
many
different
industries
because
of
their
unique
qualities,
rendering
them
invaluable
for
various
uses.
This
paper
investigates
the
features
high
materials,
summarizes
current
advancements
in
field,
and
outlines
vast
range
applications
that
these
have
domains
like
science,
aerospace,
energy,
electronics.
The
discourse
covers
such
as
carbon-based,
ceramics,
intermetallic,
refractory
metals,
emphasizing
potential
uses
new
roles
contemporary
technology.
Thanks
developments
material
with
enhanced
mechanical
strength,
thermal
stability,
resistance
harsh
environments
been
found
synthesized.
These
used
manufacturing,
electronics,
aircraft,
energy.
They
frequently
distinguished
by
temperatures
significantly
higher
than
those
ordinary
materials.
aerospace
sector
manufacture
heat-resistant
parts
improve
spacecraft
jet
engines'
overall
performance
longevity.
also
energy
sector's
creation
sophisticated
management
systems
nuclear
reactors
high-temperature
environments,
improving
generation
efficiency
security.
electronic
industry
benefits
from
when
producing
semiconductors
other
components
since
stability
guarantees
dependable
operation
even
circumstances.
Furthermore,
becoming
increasingly
popular
additive
manufacturing
procedures,
allowing
complex
structures
exceptional
heat
be
produced
Moreover,
alloys
composites
developed
due
advances
metallurgy
nanotechnology,
broadening
including
automobile
engineering,
medical
technology,
military
interdisciplinary
aspect
research
development
is
shown
this
abstract,
which
highlights
adaptability
revolutionary
effects
on
industries.
continuous
investigation
shows
promise
future
discoveries
will
open
up
avenues
fields
vital
society.
