Chinese Journal of Chemistry,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 26, 2024
Comprehensive
Summary
The
frequent
occurrence
of
oil
spills
not
only
results
in
the
waste
petroleum
resources,
but
also
poses
a
serious
threat
to
marine
ecological
environment.
Considering
large
amount
crude
oils
with
high
viscosity,
it
is
urgent
develop
sorbent
capable
efficiently
reducing
viscosity
for
cleanup
spills.
Inspired
by
“lotus
effect”
and
“poikilotherm
which
utilize
solar
energy
thermoregulation”,
low
surface
material
polydimethylsiloxane
(PDMS)
polypyrrole
(PPy)
were
loaded
over
island
nonwoven
fabric
fabricate
novel
material.
achieved
an
efficient
photothermal
conversion.
Wherein,
fluorine‐free
PDMS
was
used
hydrophobically
modify
fabric,
endowing
excellent
oil‐water
separation
performance,
efficiency
up
95%.
After
10
cycles,
PPy/PDMS
modified
(PPy/PDMS@NF)
still
above
90%,
demonstrating
superior
recyclability.
In
addition,
PPy/PDMS@NF
possessed
self‐cleaning
capabilities.
Under
light
conditions,
rapidly
heated
up,
enabling
effective
recovery
one
sun
illumination
(1.0
kW·m
–2
),
temperature
reached
60.7
°C,
its
sorption
capacity
high‐viscosity
7
g
·g
–1
.
Thanks
environmental
friendliness
capacity,
this
work
provides
new
option
dealing
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 21, 2024
Abstract
Multivalent
manganese‐based
Prussian
blue
analogues
(Mn‐PBA)
possess
multi‐electron
transfer
characteristics
and
exhibit
unique
properties
for
achieving
high
energy
density
in
ammonium
ion
batteries
(AIBs).
However,
the
irreversible
structural
collapse
sluggish
ionic
diffusion
kinetics
result
inferior
rate
capability
undesirable
lifespan.
Herein,
guided
by
theoretical
calculations,
a
series
of
ultrafine
Mn‐PBA@
conductive
polymers
core–shell
composites
through
an
situ
polymerization
encapsulation
strategy
are
synthesized
to
solve
above
existing
issues
Mn‐PBA.
Among
various
designed
(including
poly‐pyrrole
(ppy),
polyaniline,
poly(3,4‐ethylenedioxythiophene))
coated
on
Mn‐PBA,
Mn‐PBA@ppy
shows
strongest
adsorption
ions
highest
manganese
atom
removal
barrier.
Acting
as
cathode
AIBs,
exhibits
remarkable
capacity
72
mAh
g
−1
,
super‐stable
discharge
platform
0.81
V,
excellent
cycling
stability
94%
retention
over
300
cycles
(0.1
A
)
with
ultrahigh
NH
4
+
coefficient
≈1.38
×
10
−8
cm
−2
s
.
This
work
offers
polymer
approach
simultaneously
enhance
stability.
More
importantly,
this
organic/inorganic
interfacial
design
can
promote
development
materials
rapid
cyclic
