Applied Materials Today,
Journal Year:
2024,
Volume and Issue:
38, P. 102221 - 102221
Published: May 4, 2024
A
proof-of-concept
utilising
Copper-Plated
Polyurethane
Foam
(CPPF)
and
Phase
Change
Material
(PCM)
for
passive
thermal
management
of
lithium-ion
batteries
is
demonstrated
in
this
study.
The
aim
research
to
assess
the
effectiveness
CPPF
when
utilised
as
a
constituent
substance
PCM/Foam
composites.
Six
distinct
configurations
composites
are
presented
work
using
10-pore-per-inch
foam.
total
four
deposition
foam
samples
were
produced.
Of
these,
three
created
by
gradually
increasing
immersion
time
an
electroless
copper
plating
solution.
For
fourth
sample,
technique
was
80
min,
followed
electroplating
procedure
deposit
additional
layer
copper.
evaluation
entails
examining
each
plated
sample
comparison
that
commercially
available
with
purity
level
99.99
%.
findings
reveal
electroless-plated
specimens
exhibit
improved
after
being
subjected
prolonged
period
min.
electroplated
exhibited
greatest
degree
effectiveness,
evidenced
64.4
%
reduction
battery
cell
surface
temperature(10.98
°C),
which
almost
identical
64.5
decrease
temperature
(11.03
°C)
observed
commercial
but
coupled
88.1
mass.
results
suggest
CPPF-PCM
offer
effective
cooling
properties
batteries.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
45(14)
Published: April 19, 2024
Abstract
Various
acoustic
materials
are
developed
to
resolve
noise
pollution
problem
in
many
industries.
Especially,
with
porous
structure
broadly
used
absorb
sound
energy
civil
construction
and
transportation
area.
Polyurethane
(PU)
possess
excellent
damping
properties,
good
toughness,
well‐developed
pore
structures,
which
have
a
broad
application
prospect
absorption
field.
This
work
aims
summarize
the
recent
progress
of
fabrication
for
PU
application.
The
mechanisms
introduced.
Different
kinds
typical
covered
highlighted,
include
foam,
modified
materials,
aerogel,
templated
PU,
special
materials.
Finally,
development
direction
existing
problems
material
briefly
prospected.
It
can
be
expected
that
high
coefficient
obtained
by
using
some
facile
methods.
design
accurate
regulation
structures
or
multilayer
is
favorably
recommended
fulfill
demand
industrial
commercial
applications
future
work.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(14), P. 8409 - 8418
Published: July 4, 2024
Elastomers
with
distinctive
viscoelastic
behavior
are
widely
utilized
in
vibration
and
noise
reduction.
However,
most
elastomers
derived
from
petroleum-based
sources
their
functionality
limited
to
a
single
purpose.
In
this
work,
biobased
polyurethane
(bio-PU)
elastomer
was
synthesized
poly(trimethylene
ether)
glycol,
then
H-bond
cross-linking
strategy
implemented
by
incorporating
tannic
acid
(bio-TA)
fabricate
PU/TA
(bio-PU/TA)
damping
composites.
The
structures
performances
of
the
fabricated
composites
were
systematically
characterized.
results
illustrated
that
strong
interactions
between
bio-PU
bio-TA
molecular
chains
greatly
enhanced
mechanical
composites,
which
tensile
strength,
elongation
at
break,
tan
δmax
bio-PU/TA
173.5,
68.7,
55.4%,
respectively.
Moreover,
introduction
abundant
polyphenol
remarkably
improves
capacity
for
residual
carbon
formation
ultraviolet
(UV)-shielding
bio-PU,
leading
an
upgraded
composite
flame
retardancy
UV-shielding
properties
280–400
nm
UV
region.
offer
promising
developing
materials
multifunctional
performances.
Coatings,
Journal Year:
2024,
Volume and Issue:
14(4), P. 441 - 441
Published: April 8, 2024
In
this
study,
sound
insulation
materials
with
a
high
absorption
coefficient
were
prepared.
paper,
using
cellulose
(CEL)
and
graphene
oxide
(GO)
as
the
main
raw
epichlorohydrin
cross-linker,
CEL-GO
composite
aerogels
prepared
via
lyophilisation.
The
structure,
molecular
bonding,
acoustic
mechanisms
of
aerogel
characterised
analysed
SEM,
FTIR,
XRD,
BET,
Raman.
addition,
corresponding
structure
models
constructed.
attenuation
was
measured
standing
wave
tube
tester.
results
show
that
chemical
bond
between
GO
CEL
is
established,
addition
makes
pores
more
advanced,
which
favorable
for
absorption,
can
reach
up
to
0.87.
Polymers,
Journal Year:
2024,
Volume and Issue:
16(14), P. 2053 - 2053
Published: July 18, 2024
With
the
integration
and
miniaturization
of
modern
equipment
devices,
porous
polymers,
containing
graphene
its
derivatives,
with
flame-retardancy
have
become
a
research
hotspot.
In
this
paper,
expanded
properties
high-end
applications
flame-retardant
materials
derivatives
were
discussed.
The
progress
regarding
graphene-based
multiple
energy
conversion,
thermal
insulation,
an
electromagnetic
shielding
property,
high
adsorption
capacity
elucidated
in
detail.
potential
above-mentioned
firefighter
clothing,
fire
alarm
sensors,
flexible
electronic
skin,
solar
storage,
energy-saving
buildings,
stealth
materials,
separation
summarized.
construction
strategies,
preparation
methods,
comprehensive
properties,
functionalization
mechanisms
these
analyzed.
main
challenges
prospects
also
proposed.